Method and system for providing sheets

Abstract

To provide a sheet in which a user's intension is reflected.SOLUTION: A sheet providing method of the present invention provides a sheet 10 used by being attached on a body surface of each user. The providing method includes: a process of determining a shape and dimension of the sheet per user based on the information related to the body surface of each of the users U; and a process of controlling an injection nozzle for injecting raw material of the sheet based on the information of the shape and dimension to form the sheet. Also, the sheet providing system 100 of the present invention includes: a sheet specification determining part 200 determining the shape and dimension of the sheet per user based on the information related to the body surface of each of the users; and a sheet forming part 300 controlling an injection nozzle injecting raw material of the sheet based on the information of the shape and dimension to form the sheet.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a method for providing a sheet and a sheet providing system.

Background Art

[0002] There is known a cosmetic sheet that is attached to the skin to conceal stains and wrinkles. For example, Patent Document 1 describes a cosmetic sheet impregnated with a beauty liquid and having a planar shape such as a circular shape or a crescent shape in plan view.

[0003] In the cosmetics market such as cosmetic sheets, a standardized production method for mass-producing cosmetics with the same specifications is being carried out. On the other hand, in recent years, a one-to-one production method corresponding to the needs of individual customers based on the preferences and attributes of customers (users) has attracted attention. As an example of this method, Patent Document 2 describes a method for adjusting and selling liquid cosmetics in which a plurality of types of cosmetic raw liquids exhibiting different functions or properties are supplied to a container at a blending ratio desired by a consumer and sold. Such a sales method aims to provide cosmetics suitable for the skin quality, texture, preferences, etc. of each user.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] One-to-one production methods are effective in improving customer satisfaction because they can reflect the user's intentions (needs) compared to standardized mass production methods. When implementing one-to-one production methods for sheets used by applying them to the skin, it is desirable that the sheets be provided in an appropriate shape and size according to the part of the body to which they are applied and the size of that part. However, Patent Document 1 does not disclose a technology that takes one-to-one production methods into consideration. Patent Document 2 does not disclose a technology that provides the sheets in an appropriate shape and size.

[0006] Therefore, the present invention relates to a method for providing a sheet and a system for providing a sheet that can overcome the drawbacks of the prior art. [Means for solving the problem]

[0007] The present invention relates to a method for providing a sheet that is attached to the body surface of individual users for use. The method for providing the sheet includes a determination step of determining the shape and dimensions of the sheet for each user based on information about the body surface of each user, The system includes a forming step of controlling a discharge nozzle that discharges the sheet material based on the shape and dimensions of the sheet, and forming the sheet. According to the method for providing sheets of the present invention, by comprising the determination step and forming step described above, it is possible to provide individual users with sheets having shapes and dimensions suitable for those users.

[0008] Furthermore, the present invention relates to a sheet provisioning system that provides sheets that are attached to the body surface of individual users for use. The aforementioned sheet provisioning system includes a sheet specification determination unit that determines the shape and dimensions of a sheet for each user based on information about the body surface of each user, The system includes a sheet forming unit that controls a discharge nozzle for dispensing the sheet material based on the shape and dimensions, and forms the sheet. According to the sheet supply system of the present invention, by comprising the sheet specification determination unit and sheet forming unit described above, it is possible to provide individual users with sheets having shapes and dimensions suitable for those users. [Effects of the Invention]

[0009] According to the present invention, it is possible to provide a sheet that reflects the user's intentions. [Brief explanation of the drawing]

[0010] [Figure 1] Figure 1 is a plan view showing one embodiment of the sheet according to the present invention. [Figure 2] Figure 2 is a cross-sectional view taken along line II-II in Figure 1. [Figure 3] Figure 3 is a conceptual diagram showing one embodiment of the method for providing a sheet according to the present invention. [Figure 4] Figures 4(a) and 4(b) show examples of operation screens displayed on the information terminal's display unit in the sheet provision method shown in Figure 3. [Figure 5] Figures 5(a) and 5(b) show details of the operation example shown in Figure 4(b). [Figure 6] Figure 6 is a block diagram showing one embodiment of the sheet provisioning system according to the present invention. [Figure 7] Figure 7 is an explanatory diagram showing an example of data stored in the memory unit shown in Figure 6. [Figure 8] Figure 8 is a sequence diagram showing an example of the decision process (A) performed by the system shown in Figure 6. [Figure 9] Figure 9 is a flowchart showing an example of the process performed by the information terminal P shown in Figure 6 during the decision-making process (A). [Figure 10] Figure 10 is a flowchart showing an example of the process performed by the sheet specification determination unit 200 shown in Figure 6 for the determination process (A). [Figure 11] Figure 11 is a flowchart showing an example of the forming process (B) performed by the system shown in Figure 6. [Figure 12] FIG. 12 is a plan view showing an example of a method for specifying a tapered region.

BEST MODE FOR CARRYING OUT THE INVENTION

[0011] Hereinafter, the present invention will be described based on its preferred embodiments with reference to the drawings. In the present specification, the "sheet providing method" is a method of providing a sheet to a user who is a purchaser of the sheet, in consideration of the above-described One to One production method. The sheet is used by being attached to a body surface such as the skin. The part of the body to which the sheet is attached is not particularly limited, and examples of such parts include the face such as the forehead, nose, eyes, cheeks, ears, etc., the hands such as fingers, palms, fingernails, etc., the feet such as the upper arm, elbow, lower arm, toes and soles of the feet, the thighs, back, chest, shoulders, neck, head, buttocks, etc. The sheet may be attached to a plurality of adjacent parts on the body.

[0012] The sheet providing method of the present invention is suitably used for various cosmetic methods not intended for human surgical, therapeutic or diagnostic methods. FIG. 1 shows an embodiment of the sheet according to the present invention. The sheet 10 of the present embodiment is used for the purpose of improving the appearance and condition of the body surface by being attached to the body surface of an individual user. For example, the sheet 10 can be used for skin whitening, concealing skin spots, concealing skin dullness and dark circles, concealing skin wrinkles, softening the skin, protecting the skin from ultraviolet rays, and moisturizing the skin at the application site for cosmetic purposes. In addition to this, the sheet 10 can also be used for various acts for personal skin protection at home, such as protecting various wounds such as abrasions, incisions, lacerations and puncture wounds, and preventing pressure ulcers.

[0013] The plan view shape of the sheet 10 in this embodiment is not particularly limited and can be any plan view shape according to the user's needs. For example, the plan view shape of the sheet 10 may be a polygon such as a triangle, square, or hexagon, or a geometric shape such as a circle or ellipse. Also, as shown in Figure 1, the plan view shape of the sheet may be a shape that includes multiple curved portions with different curvatures in its contour, or a shape that includes both straight and curved portions in its contour.

[0014] From the viewpoint of properly attaching the sheet 10 to a part of the body, it is preferable that the sheet 10 has a shape that corresponds to the part of the body to which it is attached. For example, when the sheet 10 is attached to the eye area, it is preferable that the contour of the sheet 10 has a curved portion that curves along the edge of the eye (see Figure 1). For example, when the sheet 10 is attached to the entire face, it is preferable that the sheet 10 has a contour that is substantially the same as the face and has openings at positions corresponding to the eyes, nostrils, and mouth.

[0015] The sheet 10 of this embodiment includes a base layer 12 and a sheet layer 11 that is attached to the skin. The sheet layer 11 of this embodiment is made from a polymer compound capable of forming a film, and is formed by discharging the liquid raw material from a discharge nozzle, which will be described later. That is, it is formed by discharging the liquid raw material onto one surface of the base layer 12. The sheet layer 11 is very thin, but for the sake of explanation, the sheet layer 11 is depicted as very large in Figure 2.

[0016] The sheet layer 11 may have a constant thickness, or it may have different thicknesses depending on the location, as shown in Figure 2. In this embodiment, as shown in Figure 2, the sheet layer 11 has a gradually increasing thickness from its peripheral edge 17 inward, and the surface of the sheet layer 11 is inclined in a cross-section along the thickness direction Z of the sheet 10.

[0017] From the viewpoint of further improving the appearance and condition of the body surface, that is, from the viewpoint of making it easier to conceal wrinkles, blemishes, etc. in the application area, the maximum thickness t1 (see Figure 2) of the sheet layer 11 is preferably 5.1 μm or more, more preferably 10 μm or more. Furthermore, from the viewpoint of making the appearance of the sheet less noticeable when applied to the skin, the thickness is preferably 500 μm or less, and more preferably 400 μm or less.

[0018] In this embodiment, the sheet layer 11 preferably has less thickness than the portion where the peripheral edge 17 is located on its inner side, and preferably has the smallest thickness when viewed in cross-section. The cross-section can be observed, for example, by obtaining a three-dimensional cross-sectional contour curve, which will be described later. The thickness t2 of the peripheral edge 17 (see Figure 2) is preferably 0.3 μm or more, and more preferably 0.5 μm or more, from the viewpoint of easily maintaining the sheet state. Furthermore, from the viewpoint of making the boundary between the skin and the sheet less visible, the thickness is 10 μm or less, preferably 9 μm or less, and more preferably 8 μm or less.

[0019] [Method for measuring the three-dimensional shape of a sheet layer] The thickness t1 of the sheet layer 11 and the thickness t2 of its peripheral edge 17 can be measured by using a laser-type three-dimensional shape measurement system (a combination of the measurement system EMS2002AD-3D manufactured by COMS Corporation and the displacement sensor LK-2000 manufactured by KEYENCE Corporation) to measure the three-dimensional shape of the surface of the sheet layer. First, the base layer is placed on the auto stage and the sheet 10 is set. Next, the auto stage is moved in the X-axis direction while the laser displacement sensor is scanned, and a predetermined measurement pitch X P Then, the height of the sheet layer surface is measured. Then, the auto stage is moved in the Y-axis direction perpendicular to the X-axis, and the measurement pitch Y P By shifting the auto stage and moving it along the X-axis, the laser displacement sensor is scanned, and the predetermined measurement pitch X is set. P By repeatedly measuring the surface height of the sheet layer, surface shape data of the sheet layer is obtained. Measurement pitch X in the X-axis direction. P The measurement pitch in the Y-axis direction is set to 0.235 mm. PThe depth shall be 0.350 mm, and the resolution in the height (Z-axis) direction shall be 0.1 μm. The measurement range shall be the area that includes the entire sheet layer in a plan view, i.e., in the X-axis and Y-axis directions, and the measurement pitch may be appropriately changed depending on the object. The above measurements shall be performed under no load. Then, based on the measured three-dimensional shape data, the thickness of the sheet layer and the thickness of the peripheral edge of the sheet layer shall be measured. The thickness of the sheet layer shall be the maximum thickness based on the three-dimensional shape data. Unless otherwise specified, in the following description, "thickness" refers to the value measured based on the three-dimensional shape data. The thickness of the peripheral edge of the sheet layer 11 based on the three-dimensional shape data can be measured by the following method.

[0020] [Method for measuring the thickness of the peripheral edge] First, a planar contour line representing the contour shape of the sheet layer in plan view is determined. The planar contour line may be obtained based on the three-dimensional shape data, or it may be obtained by magnified observation of the sheet layer using a microscope or the like. For example, if the sheet layer is composed of nanofibers, it is common for fibers to protrude from the surface of the sheet layer, and for there to be areas with fewer or more fibers locally. In this case, the graph plotting the measured values ​​such as thickness obtained based on the three-dimensional shape data, specifically the planar contour line, may contain noise. From the viewpoint of removing such noise, it is preferable to perform an approximation curve processing using a polynomial approximation formula on the planar contour line. If multiple approximation curves are obtained by this processing, the approximation curve that is closest to the three-dimensional shape data is selected. Next, the planar contour curve obtained by approximating the planar contour line is matched to the three-dimensional shape data, the peripheral edge of the sheet layer in the three-dimensional shape data is identified, and the thickness of the peripheral edge is measured.

[0021] The sheet layer 11 of this embodiment has a region (hereinafter also referred to as the "tapered region") in which the thickness of the sheet layer 11 gradually increases from the peripheral edge 17 toward the interior. This tapered region can be identified as follows by determining the contour line of the cross-section of the sheet layer 11 based on three-dimensional shape data. First, in the three-dimensional shape data, the position where the thickness is maximum is identified as the vertex position, and the thickness of the sheet layer at the vertex position is determined. Next, based on the three-dimensional shape data, contour lines (hereinafter also referred to as "80% thickness contour lines") that show the outline of the region where the thickness is 80% of the thickness at the vertex position are determined, and the position of these contour lines is reflected in the three-dimensional shape data along with the planar contour curve. For example, as shown in Figure 12, the planar contour curve C0 and the 80% thickness contour line C80 are reflected in the three-dimensional shape data. It is preferable to use the 80% thickness contour line that has undergone the approximation curve processing described above. Next, an arbitrary position on the planar contour curve is designated as the first point, and the first to tenth points that divide the perimeter of the planar contour curve into 10 equal parts are set on the planar contour curve. The symbols N1 to N10 shown in Figure 12 are examples of the first to tenth points. Next, at each of the first to tenth points, the cross-sectional contour line of the sheet layer in the three-dimensional shape data is determined. The cross-sectional contour line is the contour line of the cross-section obtained when the sheet layer of the three-dimensional shape data is cut along the line segment connecting each of the 1st to 10th points on the planar contour curve to the 80% contour line by the shortest distance in a plan view. As mentioned above, from the viewpoint of removing noise, it is preferable to perform the aforementioned approximation curve processing on the cross-sectional contour line at each of the 1st to 10th points. The positions of the corresponding 1st to 10th points are reflected in each obtained cross-sectional contour curve to identify the position of the peripheral edge of the sheet layer in the cross-sectional contour curve. Next, in each obtained cross-sectional contour curve, a slope region in which the thickness gradually increases from the peripheral edge toward the inside of the sheet layer is identified. The slope region is, for example, the region from the peripheral edge to the vertex position in the cross-sectional contour curve. Examples of patterns in which the thickness gradually increases in the cross-sectional contour curve include linear increases, curved increases such as sigmoid curves and exponential curves, and multi-stage increases. Then, the number of points among the 1st to 10th points in which a cross-sectional contour curve having the slope region is confirmed is measured.When the number of points in the measured cross-sectional contour curve that have an inclined region is "n", the ratio (%) of the number of cross-sectional contour curves with an inclined region to the total of 10 points from the 1st to the 10th point can be calculated using "(n / 10) × 100 (%)". In other words, it is possible to determine what percentage of the entire peripheral edge of the sheet layer has a tapered region. For example, if a cross-sectional contour curve with an inclined region is confirmed at 5 out of the 1st to 10th points, it can be determined that the sheet layer being measured has a tapered region of 50% of the entire peripheral edge of the sheet layer.

[0022] From the viewpoint of further improving the appearance and condition of the body surface, it is preferable that the sheet layer 11 has a tapered region where the thickness gradually increases inward from the peripheral edge 17 of the sheet layer 11, comprising 60% to 100% of the total peripheral length of the sheet layer 11, more preferably 80% or more, even more preferably 90% or more, and even more preferably 100%. From the same viewpoint as above, it is preferable that the tapered region exists along the entire peripheral length of the sheet layer 11.

[0023] The thickness t1 of the sheet layer 11 and the thickness t2 of the peripheral edge 17 of the sheet layer 11 can be measured using a contact-type film thickness gauge [Mitutoyo Lightmatic VL-50A (R5mm carbide spherical measuring probe)]. The load applied to the object to be measured during measurement shall be 0.01 Pa.

[0024] Next, a method for providing the sheet 10 will be described with reference to the drawings based on a preferred embodiment. Figure 3 shows a conceptual diagram of this provision method. In this embodiment, the sheet is provided to the user through an e-commerce distribution channel where the product is purchased through an online shopping site, or through a face-to-face distribution channel where the product is purchased through face-to-face sales at a retail store, etc. The method for providing sheets in this embodiment is carried out using System 100, which is one embodiment of the sheet provisioning system according to the present invention. Hereinafter, the sheet provisioning system 100 will also be simply referred to as "System 100". Figure 3 shows an overview of System 100. System 100 includes a sheet specification determination unit 200 that performs a determination step (A) and a sheet forming unit 300 that performs a forming step (B).

[0025] The method for providing the sheet according to this embodiment comprises a determination step (A) in which the shape and dimensions of the sheet 10 for each user are determined based on information about the body surface of each user, and a forming step (B) in which a dispensing nozzle for dispensing the raw material of the sheet 10 is controlled based on the information about the shape and dimensions to form the sheet. In this method of provision, "information relating to the body surface" refers to information relating to the skin of the body part to which the sheet 10 is attached, and includes one or more pieces of information selected from the group consisting of the body part, the color, unevenness, moisture content, and skin firmness of the skin on that part, and preferably includes information relating to the body part. Information relating to skin firmness means information relating to the viscoelasticity of the skin. The information on the body parts mentioned above includes measured values ​​representing the surface shape of the area to which the sheet is applied, such as the face or around the eyes, as well as the size of the area, an image of the area, and the viscoelasticity of the skin. The aforementioned color information for the skin refers to information about the skin's brightness and hue. This color information includes not only the skin's inherent brightness and hue, but also information that allows for the identification of the color difference between areas with pigmentation such as blemishes and dullness, and areas without such pigmentation; in other words, color information for discolored areas of the skin. These discolored areas include pores, moles, and acne. As for color information, L * a * b * Examples include measured values ​​indicating lightness and hue in color systems, images of the area where the sheet is applied, and the spectral characteristics of the skin. The information regarding the unevenness of the skin refers to information regarding the unevenness of the skin surface, such as wrinkles, pores, and wounds. Such information regarding unevenness includes measured values ​​representing the depth of the depressions and the height of the protrusions, the size of the depressions and protrusions, images of the areas having the unevenness, the curvature of the unevenness, measured values ​​representing the unevenness pattern, and images showing the elastic structure of the skin, such as ultrasound images. The aforementioned information regarding skin hydration includes measurements of skin moisture content and transepidermal water loss. Skin moisture content is measured using a known measuring instrument (for example, Courage+Khazaka, model number CM825MP). The viscoelasticity of the skin in the aforementioned skin is measured using a known measuring instrument (for example, Courage+Khazaka, model number: MPA580Dual). The aforementioned brightness, hue, and curvature of the surface irregularities may be calculated based on the pixels of the skin image data using known image processing techniques.

[0026] As described later, from the viewpoint of facilitating the calculation of the type, shape, and size of the sheet 10, it is preferable that the "information relating to the body surface" is data that can be processed by a processor such as a CPU (Central Processing Unit). For example, it is preferable that it is information (data) that is processed by the sheet provisioning system 100. From the same viewpoint as above, it is preferable that the "information relating to the body surface" includes image data of the area to which the sheet is to be applied, including information on the area to which the sheet is to be applied, the color of the skin in that area, and the unevenness.

[0027] In this embodiment, the method of providing a sheet to be applied to the face for beauty purposes such as skincare and makeup is provided to the user. The determination step (A) of this embodiment comprises an information acquisition step (A1) that acquires information about the body surface of each user, and a shape and dimension determination step (A2) that determines the shape and dimensions of the sheet 10 for each user based on the said information.

[0028] In the information acquisition step (A1) of this embodiment, information regarding the surface of each user's face is acquired using an information terminal P or a device Q capable of acquiring information regarding the body surface (hereinafter also referred to as "body surface information acquisition device Q"). Information terminal P includes general-purpose computers, mobile terminals, tablet terminals, smartphones, wearable devices, etc. Body surface information acquisition device Q is an information terminal capable of inputting information about the body surface, or a device capable of measuring or observing the condition of the skin. A device capable of measuring or observing the condition of the skin can measure or observe the moisture content of the skin, as well as the texture, color, and firmness of the skin based on magnified images of the skin. Examples include Kao Corporation's Beauty Power Scope and Beauty Com.

[0029] Each information terminal P and body surface information acquisition device Q is comprised of a CPU, ROM (Read Only Memory), RAM (Random Access Memory), flash memory, a camera, a display unit, and an input device for user input operations. The CPU may include a graphics processing unit (GPU) for image display, a multimedia processor for encoding and decoding high-definition (HD) video, a display controller for controlling the display, and a power management integrated circuit (IC) for controlling power supply and charging. The display units of both the information terminal P and the body surface information acquisition device Q may use touch panels or the like that combine display and operation functions. Examples of input devices include touch panels, keyboards, keypads, touchpads, mice, and microphones. User U operates either the information terminal P or the body surface information acquisition device Q using the input device. The processing performed by each of the information terminal P and the body surface information acquisition device Q (e.g., image processing) is realized by the CPU loading programs stored in ROM or disk into RAM and executing them. The aforementioned processing may be implemented using an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array), or a combination of an ASIC and an FPGA.

[0030] Furthermore, the body surface information acquisition device Q is equipped with measuring devices for acquiring information on skin color, surface texture, moisture content, and firmness. Such measuring devices may include a colorimeter or the various measuring instruments mentioned above. In addition, the body surface information acquisition device Q may measure the brightness, hue, and curvature of surface texture based on skin image data acquired by a camera or microscope. When performing such measurements, the body surface information acquisition device Q is equipped with a program that performs various image processing on the skin image data, such as grayscale conversion, binarization, RGB splitting, and HSV conversion.

[0031] The information regarding the body surface acquired in the information acquisition process (A1) is obtained using a camera, microscope, or measuring device provided by the information terminal P or the body surface information acquisition device Q. The information terminal P or the body surface information acquisition device Q may be operated by the user to whom the sheet is attached, or by a person other than the user. Such operation may utilize the aforementioned input device, camera, microscope, or measuring device. For example, in a mail-order distribution channel, image data of the user U's face taken using the information terminal P owned by the user U is acquired as information regarding the body surface. In a face-to-face distribution channel, the results of measuring or observing the user's skin condition using the body surface information acquisition device Q are acquired as information regarding the body surface. For example, when using a camera or microscope, an image of user U's skin is acquired as information regarding the body surface. When using a measuring device, measured values ​​regarding user U's skin condition, measured by a detector such as a sensor provided by the measuring device, are acquired as information regarding the body surface. The camera, microscope, or measuring device provided by the body surface information acquisition device Q may be operated by a salesperson who is a person other than the user.

[0032] In the shape and dimension determination step (A2) of this embodiment, the shape and dimensions of the sheet 10 suitable for user U are determined based on the information about the user U's body surface acquired in the information acquisition step (A1). Specifically, the shape and dimension determination step (A2) comprises a shape selection step (A2-1) in which the user selects the shape of the sheet, a position and size determination step (A2-2) in which the user determines the sheet's placement position and size, and a determination processing step (A2-3) in which the shape and dimensions of the sheet suitable for the user are determined based on the information about the body surface, the type of sheet, and the information about the placement position and size determined by user U. These steps (A2-1) to (A2-3) will be explained with reference to Figures 4 and 5, using the case where information about the body surface is acquired using an information terminal P equipped with a camera and touch panel function as an example. In these shape selection steps (A2-1) to (A2-3), the type of sheet, the sheet's placement position, and the sheet's size are determined (selected) by user U. In this process, user U operates the information terminal P while referring to image data of their own face acquired by the information terminal P's camera. The information terminal P transmits information regarding the sheet's placement position and sheet size based on this operation information to the sheet specification determination unit 200 in the system 100 via the network (N). The sheet specification determination unit 200 in the system 100, which will be described later, is a cloud server.

[0033] A network refers to any information and communication network that utilizes telecommunications technology, including wireless or wired LANs (Local Area Networks) such as LANs, the Internet, as well as telephone communication lines, fiber optic communication networks, cable communication networks, and satellite communication networks.

[0034] In the shape selection step (A2-1), the sheet specification determination unit 200 displays a selection operation screen that allows user U to select the type of sheet using image data of user U's face, and allows user U to select the type of sheet. This allows user U to select the shape of the sheet. For example, as shown in Figure 4(a), the sheet specification determination unit 200 displays the selection operation screen on the display unit of the information terminal P. In the shape selection step (A2-1), user U may be presented with information indicating the function and properties of the sheet in addition to the (type) shape, and allowed to select the shape of the sheet. Information indicating the function and properties of the sheet may include notations such as "moisturizing mask," "blemish-concealing patch," and "wrinkle-concealing sheet," as shown in Figure 4(a). From among the multiple types of sheets presented on the selection operation screen, user U selects a sheet that has the shape desired by user U. Alternatively, the user U may be given prior counseling via the information terminal P regarding the intended use of the sheets and their skin concerns. Based on the results of the counseling, one or more candidate sheets selected may be presented on the selection screen, and the user U may select a sheet from among the candidate sheets. The counseling is conducted in the form of a questionnaire about beauty, and candidate sheets to be presented to the user U are appropriately selected according to the answers. In this embodiment, the presentation of multiple types of sheets, the counseling, and the presentation of candidate sheets based on the results of the counseling are performed by the sheet specification determination unit 200.

[0035] In the position and size determination step (A2-2), for the sheet selected by user U in the shape selection step (A2-1), an adjustment operation screen is displayed to allow user U to determine the attachment position and size of the sheet. For example, as shown in Figure 4(b), the sheet specification determination unit 200 displays the adjustment operation screen on the display unit of the information terminal P. Figure 4(b) shows the initial state of the adjustment operation screen. User U determines the attachment position of sheet 10a by placing sheet 10a at a desired position on the face on the adjustment operation screen. Specifically, as shown in Figure 5(a), user U selects sheet 10a on the adjustment operation screen and drags the sheet to a desired position on the face to determine the attachment position of sheet 10a. Next, in order to determine the appropriate size of sheet 10a at the determined attachment position, the sheet specification determination unit 200 allows user U to determine the desired size of the sheet. Specifically, as shown in Figure 5(b), user U determines the desired size of sheet 10a by pinching in or out on the sheet at the attachment position to reduce or enlarge the sheet 10a. The sheet specification determination unit 200 displays messages on the display unit of the information terminal P to allow user U to determine the attachment position and size of the sheet in the image, in relation to the operations shown in Figures 5(a) and (b).

[0036] In the shape selection process (A2-1) and the position and size determination process (A2-2), the operations performed by user U may be performed by a person other than user U, for example, a salesperson in face-to-face sales. In that case, the other person will perform the sheet selection operation and the adjustment of the sheet's placement position and size operation in accordance with user U's wishes. When the aforementioned counseling is conducted, the other person will perform the operations necessary for the counseling. The sheet shape, the sheet placement position in the image, and the size information determined by user U in the shape selection step (A2-1) and the position and size determination step (A2-2) are transmitted to the sheet specification determination unit 200 via the network. The sheet specification determination unit 200 collects this information from each of the multiple users via the information terminal P or the body surface information acquisition device Q and stores it in the storage unit described later.

[0037] In the determination process (A2-3), the sheet specification determination unit 200 calculates and determines a sheet shape and dimensions suitable for the user, based on information about the surface of the face, along with the sheet type, sheet application position, and size information determined by the user U in the shape selection process (A2-1) and the position and size determination process (A2-2). Specifically, the sheet specification determination unit 200 either derives the sheet dimensions based on the image data of the user U, or determines the size (actual size) of the user U's face, and then derives the sheet dimensions corresponding to the sheet application position and size determined by the user U based on the size of the face. The processing method for performing this deriving is executed by the sheet size calculation unit 245, which will be described later. The derived sheet dimension information is transmitted from the sheet specification determination unit 200 to the sheet forming unit 300.

[0038] The method of providing this embodiment includes a step in which the sheet shape and dimensions in the determination process (A2-3) are optimized by machine learning using training data accumulated by the sheet specification determination unit 200. The machine learning process in this step is executed by the information utilization unit 26, which will be described later. Machine learning will be described in detail in the description of the information utilization unit 26.

[0039] In the forming process (B), based on the sheet shape and dimensions determined in the determination process (A2-3), the sheet forming unit 300 of the system 100 controls the discharge nozzles that dispense the raw material for the sheet 10 to form the sheet. The sheet forming unit 300 includes a sheet layer forming device 40, a cutting device 50, and a handling device 60 (see Figure 3). These sheet layer forming device 40, cutting device 50, and handling device 60 are controlled by a manufacturing control unit 35, also included in the sheet forming unit 300. The manufacturing control unit 35 will be described in detail in the description of the system 100, which will be described later. The sheet layer forming apparatus 40 is equipped with a discharge nozzle 41 for discharging raw material, and the raw material is discharged from the discharge nozzle 41 onto a continuous sheet 12a of the base material layer to form a sheet layer 11. This discharge nozzle 41 is controlled based on information about the shape and dimensions of the sheet. Such "control" involves controlling one or more selected from the group consisting of the amount of raw material discharged, the position of the raw material discharged, and the movement trajectory of the discharge nozzle 41, which will be described later, so that the sheet shape and dimensions are determined in the determination process (A2-3). As such a sheet layer forming apparatus 40, for example, the manufacturing apparatus described in Japanese Patent Application Publication No. 2020-090769 or Japanese Patent Application Publication No. 2020-045591 can be used.

[0040] The cutting device 50 cuts the continuous sheet 12a of the base material layer along the contour (peripheral edge 17) of the sheet layer 11 formed by the sheet layer forming device 40, or at a position spaced outward from the contour of the sheet layer 11. As such a cutting device 50, a laser cutter or a cutting device comprising a cutting head equipped with a cutter, a slider that holds the cutting head, and an XY rail stage that allows the slider to move in a planar direction can be used. The handling device 60 removes the sheet 10 obtained by the cutting device 50. The handling device 60 can be a manipulator equipped with a robotic hand at the end of its arm. If the sheets are provided through an e-commerce distribution channel, the manufacturing of the sheets in the formation process (B) is carried out at a facility that manufactures the sheets. The manufactured sheets 10 are assigned user U's identification information and packaged in packaging, etc. This packaging, etc., is assigned user U's delivery address information and delivered to user U. In this way, the sheets 10 are provided to user U.

[0041] If the sheets are provided through a face-to-face distribution channel, the manufacturing of the sheets in the forming process (B) may be carried out at a facility that manufactures sheets. In that case, the manufactured sheets 10 are provided to users U through stores such as retail stores. Alternatively, the manufacturing of the sheets in the forming process (B) may be carried out at the store. In that case, the sheet layer forming device 40, the cutting device 50, and the handling device 60 are installed in the store, and the sheets 10 are manufactured in parallel with face-to-face sales such as counseling using a body surface information acquisition device Q, and the sheets 10 are provided to the customer user on the spot.

[0042] The method of providing the sheet according to this embodiment, by comprising the decision step (A) and the forming step (B) described above, can provide a custom-made sheet 10 determined by the user U. In particular, the decision step (A) allows the shape and dimensions of the sheet to reflect the user U's wishes using interaction means such as the internet or a GUI, thus realizing a sheet that meets the user U's expectations. Moreover, in the forming step (B), the sheet layer is formed by controlling the discharge nozzle 41, so it can accommodate sheets of various shapes, and as a result, it can meet the diverse needs of users. In other words, by comprising the decision step (A) and the forming step (B) described above, it is possible to provide individual users with sheets that have shapes and dimensions suitable for them. Furthermore, the method of providing the sheet according to this embodiment is effective in implementing a one-to-one production method for sheet products.

[0043] In this embodiment, the method of forming a sheet involves controlling a discharge nozzle 41. However, instead of the discharge nozzle 41, or in addition to the discharge nozzle 41, a cutting device 50 may be controlled to form a sheet 10 having a shape and dimensions specific to each user. For example, a sheet of a desired shape may be cut from a laminated continuous sheet, which is formed by laminating a continuous sheet with a continuous sheet of continuous sheet layers 11 and a continuous sheet with a continuous base layer 12, while moving a cutting means such as a laser based on the shape and dimensions of the sheet. In this case as well, the effects described above will be achieved. In addition to a laser, other cutting means can be, for example, a cutting device equipped with a cutter roll having a cutting blade extending in the circumferential direction formed on the circumferential surface of the roll and an anvil roll that receives the blade of the cutter roll, or a known cutting device such as an ultrasonic cutter.

[0044] The sheet layer forming apparatus 40 used in this embodiment will be described in detail. The sheet layer forming apparatus 40 comprises a discharge nozzle 41 and a moving device 42 for moving the discharge nozzle 41. The moving device 42 in the sheet layer forming apparatus 40 is configured to move the discharge nozzle 41 in a planar direction. For example, the moving device 42 comprises a slider that holds the discharge nozzle 41 and rails along the X-axis direction and the Y-axis direction, respectively, and by moving the slider along the rails, the discharge nozzle 41 can be moved in the X-axis direction and the Y-axis direction, i.e., in a planar direction. The moving device 42 also comprises a Z-axis rail extending in the Z-axis direction, which is a vertical direction perpendicular to the X-axis direction and the Y-axis direction. By moving the slider along the Z-axis rail, the discharge nozzle 41 can be moved up and down in the Z-axis direction, i.e., vertical direction. Thus, with the moving device 42, the discharge nozzle 41 can be freely moved in the X-axis direction, the Y-axis direction and the Z-axis direction. Such a moving device 42 is controlled by a manufacturing control unit 35. The sheet layer forming apparatus 40 forms the sheet layer 11 into a predetermined shape and dimensions by discharging a raw material liquid containing the raw material for the sheet layer 11 from the discharge nozzle 41 while moving the discharge nozzle 41. That is, in the forming step (B), the sheet forming unit 300 forms the sheet 10 by discharging the raw material from the discharge nozzle 41 and moving the discharge nozzle 41 along a trajectory based on the sheet shape and dimension information determined in the determination process step (A2-3). This is preferable in that it more accurately realizes a sheet with a shape and size that reflects the user's intentions. The movement trajectory of the discharge nozzle 41 is a trajectory that follows the planar shape of the sheet layer 11, and such a trajectory can be set using software such as SEL Generator (manufactured by IAI Corporation).

[0045] The sheet provision method of this embodiment allows for the formation of a sheet having a two-dimensional shape desired by the user by controlling the movement trajectory of the discharge nozzle 41. From the viewpoint of forming a sheet having a desired three-dimensional shape, it is preferable that the sheet provision method forms the sheet 10 by controlling either the amount of raw material discharged from the discharge nozzle 41 or the movement trajectory of the discharge nozzle 41, or both, based on information on the shape and dimensions of the sheet. By changing the amount of raw material discharged or by overlapping the movement trajectory of the discharge nozzle 41, the thickness can be partially changed, and the three-dimensional shape of the sheet can be easily controlled.

[0046] From the viewpoint of easily forming a sheet layer 11 having a desired three-dimensional shape, it is preferable that the sheet layer 11 is composed of nanofibers. The sheet layer forming apparatus 40 of this embodiment is a known electrospinning apparatus that forms a sheet layer 11 by extruding raw materials while applying a voltage. The sheet layer forming apparatus 40 deposits nanofibers generated from a raw material liquid containing the raw materials for the sheet layer 11 onto a continuous sheet 12a of a base layer by the electrospinning method. The resulting sheet layer 11 consists of fibers (nanofibers) generated from the raw materials. Nanofibers are fibers with an extremely fine fiber diameter. From the viewpoint of facilitating the formation of sheets, the nanofibers have a fiber diameter of 0.1 μm or more, preferably 0.5 μm or more, when their fiber diameter is expressed as an equivalent circle diameter. Furthermore, from the viewpoint of improving conformability to the skin when the sheet is applied, the thickness is 6 μm or less, preferably 4 μm or less, more preferably 2 μm or less, and even more preferably 1 μm or less. The fiber diameter of a fiber is determined by selecting 300 fibers arbitrarily from a two-dimensional image obtained by scanning electron microscopy (SEM) observation, removing defects such as fiber clumps, fiber intersections, and polymer droplets. The length of the line drawn perpendicular to the longitudinal direction of the fiber is defined as the fiber diameter, and the arithmetic mean of these values ​​is defined as the average fiber diameter.

[0047] The sheet layer forming apparatus 40 can manufacture a sheet layer 11 having a region (tapered region) in which the thickness gradually increases from the peripheral edge of the sheet layer 11 toward the inside. A sheet layer 11 having such a three-dimensional shape may be difficult to see when attached to the skin. In the case of a sheet layer 11 with such varying thicknesses, it is preferable that the thickness of the sheet layer 11 is within the range described above.

[0048] A sheet layer 11 having a tapered region, i.e., a sheet layer 11 with different thicknesses, can be formed by controlling either the amount of raw material discharged from the discharge nozzle 41 or the movement trajectory of the discharge nozzle 41, or both, to make the amount of nanofibers deposited differently at each position, i.e., by adjusting the deposition distribution of nanofibers. The manufacturing method for such a sheet layer 11 is described in detail below. The manufacturing method comprises a trajectory calculation step of determining the movement trajectory of the discharge nozzle 41, and a deposition step of depositing raw material (nanofibers) based on the movement trajectory. In this embodiment, the trajectory calculation step is performed by the manufacturing data derivation unit 33, and the deposition step is performed by the sheet layer forming apparatus 40. In the trajectory calculation process, the movement trajectory of the discharge nozzle 41 is determined based on the correlation between factors relating to the deposition distribution of nanofibers and the thickness of the nanofibers to be deposited. The movement trajectory is a trajectory for forming a sheet layer 11 having a tapered region and having a predetermined planar shape and a predetermined thickness. The "predetermined planar shape" is based on the sheet shape and dimensional information determined in the determination process (A2-3). The "predetermined thickness" is a set value determined by product specifications based on the function and properties of the sheet, and may be the minimum thickness of the sheet layer 11, the maximum thickness, or the minimum or maximum thickness of the tapered region.

[0049] The nanofiber deposition distribution in the trajectory calculation process is the distribution of the amount of nanofiber deposited on the continuous sheet 12a of the substrate layer. Factors related to the nanofiber deposition distribution include, for example, the movement speed of the discharge nozzle 41, the discharge speed of the raw material liquid, the potential difference between the discharge nozzle 41 and the continuous sheet 12a of the substrate layer, the distance between the discharge nozzle 41 and the continuous sheet 12a of the substrate layer, the inner diameter of the discharge nozzle 41, and the material of the discharge nozzle 41. One or more of these can be selected and combined. By adjusting the values ​​of each of the above factors, the thickness of the sheet layer made of nanofibers can be increased or decreased.

[0050] For example, if the factors relating to the deposition distribution of nanofibers are the movement speed of the discharge nozzle 41 (hereinafter also referred to as factor a), the discharge speed of the raw material liquid (hereinafter also referred to as factor b), and the distance between the discharge nozzle 41 and the continuous sheet 12a of the substrate layer (hereinafter also referred to as factor c), then the amount of nanofibers deposited per unit area can be increased or decreased by the movement speed of the discharge nozzle 41 (factor a) and the discharge speed of the raw material liquid (factor b), and consequently, the thickness of the deposited nanofibers can also be increased or decreased. Furthermore, the area of ​​the nanofiber deposition per unit time can be increased or decreased by the distance between the discharge nozzle 41 and the continuous sheet 12a of the substrate layer (factor c). Thus, factors a to c are factors that change the deposition distribution of nanofibers.

[0051] In the trajectory calculation process, the correlation between factors a to c and the thickness of the nanofiber deposit is reflected in a predetermined planar shape, i.e., the planar shape of the sheet layer 11 based on the sheet shape and dimensional information determined in the determination process (A2-3), and a trajectory is set. The correlation is obtained by setting the factors related to the nanofiber deposition distribution to predetermined values, creating a nanofiber test specimen while moving the discharge nozzle 41 along a predetermined trajectory, and measuring the thickness distribution of the test specimen. This is usually determined in advance when manufacturing the sheet layer 11. The correlation can be obtained, for example, as follows: After setting factors a to c to predetermined values, a nanofiber test specimen is created while moving the discharge nozzle 41 in one direction, and thickness data (hereinafter also referred to as simulated data) is obtained for the test specimen in a cross-section in a direction perpendicular to its extension direction. Such simulated data can be obtained, for example, by measurement using the laser-type three-dimensional shape measurement system described above. Based on this simulated data and the planar shape of the sheet layer 11 (a predetermined planar shape), the thickness of the nanofibers that can be formed is simulated to determine the migration trajectory. As the simulated data, either data with the same setting values ​​for factors a to c, or multiple sets of data with different setting values ​​for factors related to the deposition distribution of nanofibers can be used.

[0052] In the trajectory calculation process, the numerical values ​​of factors related to the deposition distribution of nanofibers (for example, factors a to c) are adjusted, or overlapping or non-overlapping portions of the nanofiber deposition positions are provided on the movement trajectory, so that the predetermined thickness of the nanofiber sheet becomes a set value. The calculated movement trajectory will have a portion that follows the planar shape (predetermined planar shape) of the sheet layer 11 based on the sheet shape and dimensional information determined in the determination process (A2-3). Such a trajectory can be set using software such as the SEL generator described above. The movement trajectory calculation process repeats the calculation of the movement trajectory, i.e., the simulation of the movement trajectory, until a movement trajectory is obtained that has a portion that follows the predetermined planar shape and satisfies the conditions that the thickness of the nanofibers is a predetermined value. Examples of moving tracks determined in the track calculation process include a combination of a group of tracks that nest together multiple tracks that are roughly similar in shape, and connecting lines that link the multiple tracks together, or a linear track that can be drawn in a single continuous line.

[0053] In the deposition process, nanofibers are deposited while moving the discharge nozzle 41 based on the movement trajectory determined in the trajectory calculation process. In this embodiment, the data of the movement trajectory determined in the trajectory calculation process is sent to the manufacturing control unit 35, and based on the operation signal sent from the manufacturing control unit, the moving device 42 is activated to move the discharge nozzle 41 along the movement trajectory. By moving the discharge nozzle 41 along the movement trajectory in this way, a nanofiber layer having a predetermined planar shape and a thickness simulated by the movement trajectory setting can be formed.

[0054] The method provided in this embodiment provides a sheet made of nanofibers, but any film-forming sheet can be provided without particular limitations. "Film-forming" means a sheet that can form a coating film by spreading a liquid raw material and then drying it, or a sheet that can form a coating film by depositing nanofibers containing a fiber-forming polymer compound. From the viewpoint of appearance and adhesion when attached to the skin, the sheet is preferably a film made of a nanofiber deposit, or a film containing such a nanofiber deposit.

[0055] Examples of polymer compounds capable of forming the aforementioned coating film include silicone-based polymer materials, acrylic-based polymer materials, vinyl-based polymer materials, condensation-based polymer materials, and fluorine-containing polymer materials. These polymer materials can be used individually or in combination of two or more. Examples of silicone polymer materials include poly(N-acylalkyleneimine) modified silicone, sugar-modified silicone (Japanese Patent Publication No. 63-139106), polyglycerin-modified silicone (Japanese Patent Publication No. 2004-339244), polyamino acid-modified silicone (Japanese Patent Publication No. 2002-145724), silicone graft acrylate polymer (Japanese Patent Publication No. 4-342513), and silicone PEG block polymer (Japanese Patent Publication No. 4-234307).

[0056] As acrylic polymer materials, for example, monomer (co)polymers containing one or more monomers selected from acrylic acid and its derivatives, methacrylic acid and its derivatives, crotonic acid and its derivatives, acrylamide, acrylalkylamide, acrylonitrile, diacetone acrylamide, and methacrylamide can be used.

[0057] Examples of vinyl polymer materials include monomer (co)polymers containing one or more monomers selected from eicosene, vinyl chloride, vinyl acetate, styrene, vinyl neodecanoate, vinyl acetal diethylaminoacetate, vinylpyrrolidone, vinyl butyral, butadiene, and hexadecene.

[0058] Examples of condensation polymer materials include those produced by a condensation reaction between an acid and an alcohol or alcohol derivative, or modified versions thereof. Examples of such acids include one or more selected from maleic anhydride, phthalic acid, itaconic acid, citraconic anhydride, phthalic anhydride, isophthalic acid, terephthalic acid, tetrahydrophthalic anhydride, succinic acid, adipic acid, sebatic acid, tetrachlorophthalic anhydride, and hetic acid. As the alcohol or alcohol derivative, one or more selected from ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, 1,3-butanediol, 2,3-butanediol, glycerin, pentaerythritol, trimethylolpropane, and epichlorohydrin can be used.

[0059] As the fluorine-containing polymer material, one or more selected from, for example, tetrafluoroethylene resin, stearyl methacrylate / perfluoroalkyl methacrylate copolymer (Japanese Patent Publication No. 4-100534), and fluorine-modified silicone (Japanese Patent Publication No. 9-67240) can be used.

[0060] Examples of raw materials for the aforementioned nanofibers include water-insoluble polymer compounds and water-soluble polymer compounds. Examples of water-insoluble polymer compounds include fully saponified polyvinyl alcohol that can be insolubilized after nanofiber formation, partially saponified polyvinyl alcohol that can be crosslinked after nanofiber formation when used in combination with a crosslinking agent, oxazoline-modified silicones such as poly(N-propanoylethyleneimine)graft-dimethylsiloxane / γ-aminopropylmethylsiloxane copolymer, zein (a major component of corn protein), or polyester resins such as polylactic acid (PLA), polyethylene tephthalate resin, and polybutylene tephthalate resin, acrylic resins such as polyacrylonitrile resin and polymethacrylic acid resin, polyamide resins such as polystyrene resin, polyvinyl butyral resin, polyurethane resin, and nylon, as well as polyimide resins and polyamide-imide resins. These water-insoluble polymer compounds can be used individually or in combination of two or more.

[0061] Examples of water-soluble polymer compounds include mucopolysaccharides such as pullulan, hyaluronic acid, chondroitin sulfate, poly-γ-glutamic acid, modified corn starch, β-glucan, gluco-oligosaccharides, heparin, and keratosulfate; natural polymers such as cellulose, pectin, xylan, lignin, glucomannan, galacturone, psyllium seed gum, tamarind seed gum, gum arabic, tragacanth gum, soybean water-soluble polysaccharides, alginic acid, carrageenan, laminaran, agar (agarose), fucoidan, methylcellulose, hydroxypropylcellulose, and hydroxypropylmethylcellulose; and synthetic polymers such as partially saponified polyvinyl alcohol (when not used in combination with a crosslinking agent), low-saponification polyvinyl alcohol, polyvinylpyrrolidone (PVP), polyethylene oxide, water-soluble nylon, water-soluble polyester, and sodium polyacrylate. These water-soluble polymer compounds can be used individually or in combination of two or more.

[0062] The sheet layer 11 may contain polymer compounds other than the film-forming polymer compound, and may also contain other components. Other polymer compounds include polypropylene, polyethylene, polystyrene, polyvinyl alcohol, polyurethane, polyethylene oxide, polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, poly-m-phenylene terephthalate, poly-p-phenylene isofrate, polyvinylidene fluoride, polyvinylidene fluoride-hexafluoropropylene copolymer, polyvinyl chloride, polyvinylidene chloride-acrylate copolymer, polyacrylonitrile, polyacrylonitrile-methacrylate copolymer, polycarbonate, polyarylate, polyester carbonate, nylon, aramid, polycaprolactone, polylactic acid, polyglycolic acid, collagen, polyhydroxybutyric acid, polyvinyl acetate, polypeptides, and the like. In addition, other ingredients used in cosmetics can be used. Examples include medicinal ingredients, moisturizing ingredients, various vitamins, fragrances, UV protection agents, surfactants, coloring pigments, extender pigments, dyes, stabilizers, preservatives, and antioxidants. These ingredients can be used individually or in combination of two or more.

[0063] The sheet layer 11 is formed by discharging a raw material liquid containing film-forming raw materials from a discharge nozzle. In addition to the aforementioned components, the raw material liquid may appropriately contain solvents, inorganic particles, organic particles, plant extracts, surfactants, oils, electrolytes for adjusting ion concentration, etc. The aforementioned solvents include water, methanol, ethanol, 1-propanol, 2-propanol, hexafluoroisopropanol, tetraethylene glycol, triethylene glycol, dibenzyl alcohol, 1,3-dioxolane, 1,4-dioxane, methyl ethyl ketone, methyl isobutyl ketone, methyl-n-hexyl ketone, methyl-n-propyl ketone, diisopropyl ketone, diisobutyl ketone, acetone, hexafluoroacetone, phenol, formic acid, methyl formate, ethyl formate, propyl formate, methyl benzoate, ethyl benzoate, propyl benzoate, methyl acetate, ethyl acetate, propyl acetate Examples include propyl phthalate, dimethyl phthalate, diethyl phthalate, dipropyl phthalate, methyl chloride, ethyl chloride, methylene chloride, chloroform, o-chlorotoluene, p-chlorotoluene, carbon tetrachloride, 1,1-dichloroethane, 1,2-dichloroethane, trichloroethane, dichloropropane, dibromoethane, dibromopropane, methyl bromide, ethyl bromide, propyl bromide, acetic acid, benzene, toluene, hexane, cyclohexane, cyclohexanone, cyclopentane, o-xylene, p-xylene, m-xylene, acetonitrile, tetrahydrofuran, N,N-dimethylformamide, pyridine, etc.

[0064] As the base layer 12, for example, a film made of synthetic resin such as polyolefin resin or polyester resin, a fiber sheet such as woven fabric, knitted fabric, or nonwoven fabric, or a foam such as sponge can be used. From the viewpoint of the release properties of the sheet layer, a fiber sheet such as nonwoven fabric, a foam such as sponge, or a synthetic resin film with a rough surface is preferred as the base layer 12.

[0065] Next, the system 100 described above will be explained in detail. System 100 is one embodiment of the sheet providing system of the present invention and is suitably used in the method of providing sheets of the present invention. Figure 6 shows a block diagram of system 100.

[0066] System 100 comprises the aforementioned sheet specification determination unit 200 and sheet forming unit 300. A known general-purpose computer can be used for both the sheet specification determination unit 200 and the sheet forming unit 300. The general-purpose computer includes a CPU, ROM, RAM, HDD (Hard Disk Drive), etc. The processing performed by the sheet specification determination unit 200 and the sheet forming unit 300 is realized by the CPU loading programs stored in ROM or disks into RAM and executing them. This processing may be implemented using an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array), or a combination of ASIC and FPGA.

[0067] Furthermore, the sheet specification determination unit 200 does not require dedicated software or hardware for system 100, or an on-premise server configuration or other OS (Operating System), but can instead utilize cloud servers to provide SaaS (Software as a Service), PaaS (Platform as a Service), or IaaS (Infrastructure as a Service).

[0068] The sheet specification determination unit 200 is connected to the aforementioned information terminal P and body surface information acquisition device Q via the network N. The sheet specification determination unit 200 is also connected to the sheet forming unit 300 via the network N. In this embodiment, the information terminal P or the body surface information acquisition device Q has the application used in this system 100 (hereinafter referred to as "app") installed. Information exchange between the sheet specification determination unit 200 and the information terminal P may be performed via a general-purpose web browser.

[0069] In this embodiment, the sheet specification determination unit 200 is a cloud server, and the sheet forming unit 300 is a general-purpose computer installed at a manufacturing site where sheets are manufactured (see Figure 3).

[0070] As shown in Figure 6, the sheet specification determination unit 200 includes a communication unit 21, a sheet information generation unit 22, an input information analysis unit 24, an information utilization unit 26, an order information generation unit 28, a storage unit D1, a learning data storage unit D2, and a customer information storage unit D3.

[0071] The communication unit 21 receives access information and stores it in the storage unit D1. The access information is information used for access from each of the multiple information terminals P and the body surface information acquisition device Q, and includes information required for each process such as calculation and processing of data acquisition, generation, and updating performed by the sheet specification determination unit 200. Specifically, it includes information about the body surface of each user (e.g., image data), information on terminal operations performed by user U etc. to create such information, and input information such as personal information entered by users etc. to order a sheet. The communication unit 21 also transmits the information generated or calculated by the sheet information generation unit 22, the input information analysis unit 24, and the order information generation unit 28 to the information terminal P, the body surface information acquisition device Q, or the sheet forming unit 300.

[0072] The sheet information generation unit 22 transmits information to the information terminal P or body surface information acquisition device Q for acquiring information about the user's body surface, such as counseling information to allow the user to input skin concerns, etc., in response to access information received by the communication unit 21. For example, it transmits information from the selection operation screen shown in Figure 4(a) and information from the adjustment operation screen shown in Figure 4(b) to the information terminal P or body surface information acquisition device Q via the communication unit 21. The sheet information generation unit 22 also transmits information for acquiring information about sheets whose shape and dimensions are set for each user, such as information about candidate sheets. In this embodiment, the sheet information generation unit 22 transmits information from the selection operation screen and the adjustment operation screen to the information terminal P in response to the operation request signal transmitted from the input information analysis unit 24.

[0073] The input information analysis unit 24 calculates the type, shape, or dimensions of the sheet 10 based on information about the user's body surface. In this embodiment, the input information analysis unit 24 comprises a counseling information analysis unit 241 and a sheet size calculation unit 245, and each of these units performs the aforementioned calculations. Specifically, based on the user's counseling results, the counseling information analysis unit 241 performs calculation processing to select one or more appropriate candidate sheets from among multiple types of sheets. For example, if the user inputs the information "the pores on my cheeks are noticeable" into the information terminal P, the counseling information analysis unit 241 performs calculation processing to select a sheet with light transmittance to conceal pores from among multiple types of sheets (sheet products) stored in the storage unit D1 based on that information. The counseling information analysis unit 241 also performs calculation processing to select a sheet with a shape suitable for application to the cheeks. Furthermore, from the results of these calculation processing, the sheet that "conceals pores" and has a "shape suitable for application to the cheeks" is narrowed down as candidate sheets. In this manner, the counseling information analysis unit 241 extracts information on candidate sheets that possess predetermined functions, properties (hereinafter referred to as "properties, etc.") and shapes based on the user's counseling results, and transmits this information to the sheet information generation unit 22. The sheet information generation unit 22 presents the candidate sheet information and transmits information for a selection operation screen to the information terminal P, allowing the user to determine the type of sheet. The user operates the selection operation screen to select a sheet to paste from the candidate sheets, and determines the properties, etc. and shape of the sheet to be pasted. This information on the sheet with determined properties, etc. and shape is transmitted to the sheet size calculation unit 245 and also to the order information generation unit 28.

[0074] The sheet size calculation unit 245 acquires information about the body surface in order to determine the application position and size of the sheet whose properties and shape have been determined, and calculates the dimensions of the sheet based on this information. For example, the sheet size calculation unit 245 requests the information terminal P or the body surface information acquisition device Q to acquire information about the body surface. In this embodiment, image data of the application area of ​​the sheet is requested as information about the body surface. Such image data is acquired by the shooting function of the information terminal P or the body surface information acquisition device Q. The acquired information about the body, such as image data, is transmitted to the sheet size calculation unit 245.

[0075] The sheet size calculation unit 245 recognizes the area to be affixed to the sheet based on information about the body surface, and allows the user to determine the affixing position and size of the sheet whose properties and shape have been determined. In this embodiment, the sheet size calculation unit 245 first recognizes the area to be affixed to the sheet in the image data, and then requests the sheet information generation unit 22 to perform an adjustment operation to adjust the affixing position and size of the sheet in the image data. The sheet information generation unit 22 receives the operation request signal related to the above request from the sheet size calculation unit 245 and transmits the information of the adjustment operation screen to the information terminal P or the body surface information acquisition device Q. The user operates the adjustment operation screen to determine the affixing position of the sheet in the image data and the size of the sheet at that affixing position [see Figures 5(a) and (b)]. This determined information on the size of the sheet in the image is transmitted to the sheet size calculation unit 245. The sheet size calculation unit 245 performs calculation processing to calculate the dimensions of the sheet based on the information on the size of the sheet in the image. Such processing methods can employ any method that can derive the actual size of user U's face and the dimensions of the sheet from an image, without any particular limitations. Specifically, known methods include simultaneously photographing a patch seal with predetermined dimensions as a scale and calculating the sheet dimensions based on the scale; estimating the dimensions of user U's facial features in the image (such as the size of user U's eyes and mouth or the length of the space between the eyebrows) based on the average dimensions of human facial features (such as the average size of a person's eyes and mouth or the average length of a person's space between the eyebrows) and calculating the sheet dimensions; and calculating dimensions from geometric information (e.g., epipolar geometry) obtained from images captured by multiple cameras. User U's facial features in the image can be recognized or extracted based on image data (e.g., color information based on pixels of the image data). This calculation result information is stored in the storage unit D1 and transmitted to the order information generation unit 28.

[0076] Furthermore, the input information analysis unit 24 may calculate the type, shape, or dimensions of the sheet 10 by methods other than those described above. Specifically, we will explain using as an example a configuration in which the storage unit D1 of the sheet specification determination unit 200 stores a "sheet model," multiple "face models," and a "shape database" for each sheet, and the input information analysis unit 24 has a "renderer" function. The "sheet model" is a simplified model of the sheet's shape, and its dimensions change according to user U's actions. The initial shape of the sheet model is one of the values ​​set in the shape database, as described later. The sheet model can be deformed into any shape afterward, and various parameters for deformation are set. In other words, deformation of the sheet model is achieved by changing the parameters. A "face model" is three-dimensional shape information that represents the standard shape of a human face. Multiple face models are available for each race, gender, and age group, and are selected appropriately according to the user's attributes. The shape information of the face model also includes information about the parts of the face. For example, the three-dimensional coordinate values ​​of the eyes, nose, mouth, and ears are set in the face model. In the following, the eyes, nose, mouth, and ears will be collectively referred to as "face parts."

[0077] A "renderer" is software that places multiple models and light sources in a virtual three-dimensional space and can obtain images of the models from any viewpoint, i.e., rendered images. Renderers are also called rendering software or rendering engines. A renderer has the ability to place other models along the surface of a model. For example, a sheet model can be placed on any surface of a face model, and only the sheet model can be rendered from any viewpoint. Therefore, by superimposing the rendered sheet model image onto the face image F, i.e., displaying it as an overlay, it is possible to see what the product sheet would look like if it were actually attached to the face.

[0078] The "shape database" is a database that shows the relationship between the position on the face where a sheet is attached and the shape of the sheet. It records each attachment position (attachment area) on the face and the shape suitable for that attachment position in a corresponding manner. The attachment position is represented, for example, as the range of three-dimensional coordinates of a region in the face model. The sheet shape stored in the shape database is the three-dimensional shape of the sheet set as the initial value, and multiple shapes are pre-set.

[0079] Table 1 below is an example of a shape database. As mentioned above, the shape database defines the correspondence between the sheet's placement position and its shape. All the information shown in Table 1 is conceptual. The "eye area" shown in Table 1 is actually a specific range of three-dimensional coordinates that represents the area below the eyes in a face model. The "bean shape" shown in Table 1 is a shape parameter of a specific three-dimensional sheet model having the shape shown in Figure 1. In Table 1 below, some of the list of pasting locations and corresponding sheet shapes are omitted with "...".

[0080] [Table 1]

[0081] The processing performed by the input information analysis unit 24 in the form of the renderer will be described later using the flowcharts shown in Figures 9 and 10.

[0082] The information utilization unit 26 performs the following processing on machine learning in the process of optimizing the shape and dimensions of the sheet described above using machine learning. The machine learning uses the training data accumulated by the sheet specification determination unit 200. Specifically, it generates a machine learning model to optimize the calculation processing performed by the input information analysis unit 24 from the access information stored by the communication unit 21, and updates the program for the calculation processing performed by the input information analysis unit 24 using machine learning. The information utilization unit 26 in this embodiment is equipped with a feature component extraction unit 261 and a learning result determination unit 263, and performs machine learning using each of these units. The feature component extraction unit 261 extracts features necessary for machine learning from the access information stored in the memory unit D1 and the order information and order sheet information stored in the customer information memory unit D3, which will be described later. The feature component extraction unit 261 may extract information that serves as an indicator for performing machine learning by using machine learning algorithms such as principal component analysis or neural networks. The learning result determination unit 263 performs arbitrary machine learning based on the information extracted by the feature component extraction unit 261, constructs a machine learning model based on the extracted information, and reflects this in the calculation processing performed by the input information analysis unit 24. For example, the feature component extraction unit 261 traces counseling information for multiple users back to a certain period, classifies skin problems into categories (e.g., dryness, pores, wrinkles, dullness, etc.), and extracts information on the frequency of each category and the type of sheet ordered by the user. Based on the correlation between the frequency and the type of sheet ordered, the learning result determination unit 263 learns the types of sheets ordered for each category by using machine learning algorithms such as linear support vector machines (linear SVM) and k-nearest neighbors, and reflects this in the parameters and coefficients of the calculation processing performed by the input information analysis unit 24. In this embodiment, the database generated by the feature component extraction unit 261 and the machine learning model generated using the machine learning algorithm are stored in the learning data storage unit D2.

[0083] The order information generation unit 28 generates information about sheets with determined shapes and dimensions for each user (hereinafter also referred to as "order sheet information") and order screen information based on the calculation processing results of the input information analysis unit 24. The order sheet information includes information about the type, shape, and dimensions of the determined sheet, as well as information about the sheet's identification number (product number). The order screen information is information about the order screen for ordering the sheets, and this order screen is displayed on the display unit of the information terminal P or the body surface information acquisition device Q. This order screen is an operation screen that allows the user to input order information such as the delivery address, desired delivery date, and number of sheets. The order screen information generated by the order information generation unit 28 is transmitted to the information terminal P or the body surface information acquisition device Q via the communication unit 21.

[0084] Furthermore, the order information generation unit 28 generates customer information data for each user by summarizing the order history data of the order information entered by the user, etc., and stores this in the customer information storage unit D3, and also transmits the order information and order sheet information to the sheet forming unit 300 via the communication unit 21. The customer information storage unit D3 stores order history data for each user, which is linked to personal information such as the user's name and address, sheets that the user has ordered in the past, and order history data including counseling information used to order the sheets and the placement position of the sheets, as shown in Figure 7, for example. The order sheet information transmitted to the sheet forming unit 300 includes information on the shape and dimensions of the determined sheet, and product number information to identify sheets having such a shape and dimensions. The order information transmitted to the sheet forming unit 300 also includes information such as the sheet delivery address and the number of sheets ordered for printing on the packaging. The customer information data in the customer information storage unit D3 is used for the machine learning described above.

[0085] The storage unit D1 stores various programs, data, parameters, etc., necessary for the sheet specification determination unit 200 to perform calculations and processing, under the control of the communication unit 21, the sheet information generation unit 22, the input information analysis unit 24, the information utilization unit 26, and the order information generation unit 28, respectively. In addition to the aforementioned input information such as access information and order information, the storage unit D1 also stores output information, etc., transmitted via the communication unit 21 to the information terminal P, the body surface information acquisition device Q, or the sheet forming unit 300.

[0086] A database system or file system may be used for each of the memory unit D1, the learning data memory unit D2, and the customer information memory unit D3. Each of the memory unit D1, the learning data memory unit D2, and the customer information memory unit D3 is composed of, for example, a main memory device consisting of ROM and RAM, an auxiliary memory device consisting of non-volatile memory, an HDD, an SSD (Solid State Drive), flash memory, or various other recording media. Here, the sheet specification determination unit 200 was described as comprising a communication unit 21, a sheet information generation unit 22, an input information analysis unit 24, an information utilization unit 26, an order information generation unit 28, a storage unit D1, a learning data storage unit D2, and a customer information storage unit D3. However, it is not necessary to have all of these components. If the unit is equipped with a communication unit 21, a sheet information generation unit 22, and an input information analysis unit 24, it is possible to perform the information acquisition step (A1) of acquiring information about the body surface of each individual user and the shape and dimension determination step (A2) of determining the shape and dimensions of the sheet 10 for each user based on that information.

[0087] The sheet forming unit 300 includes, in addition to the aforementioned sheet layer forming apparatus 40, cutting apparatus 50, and handling apparatus 60, a communication unit 31, a manufacturing data output unit 33, a manufacturing control unit 35, and an information assignment unit 37.

[0088] The communication unit 31 receives order information and order sheet information transmitted from the sheet specification determination unit 200 via the network N.

[0089] The manufacturing data extraction unit 33 derives manufacturing information for producing the sheet based on the sheet shape and dimensions information from the order sheet information received by the communication unit 31. The manufacturing information for producing the sheet is control information for the sheet layer forming apparatus 40, the cutting apparatus 50, and the handling apparatus 60, based on the sheet shape and dimensions. In this embodiment, the manufacturing information is information related to the movement control of the discharge nozzle 41, the control of the raw material discharge amount, or the cutting control for cutting to a desired shape.

[0090] Information regarding the movement control of the discharge nozzle 41 includes, for example, information representing the movement trajectory of the discharge nozzle 41 in a coordinate system consisting of the X and Y axes, information regarding the movement speed of the discharge nozzle 41 (factor a), and information regarding the distance between the discharge nozzle 41 and the continuous sheet 12a of the base material layer (factor c). The information representing the movement trajectory of the discharge nozzle 41 is information related to a "predetermined planar shape" of the sheet layer 11, and the outer edge portion of the movement trajectory is reflected in the contour shape of the sheet layer 11. Information regarding the control of the raw material discharge rate is, for example, the raw material discharge rate set for each position in a coordinate system consisting of the X and Y axes. Such a discharge rate is the discharge rate per unit area or the discharge rate per unit time (factor b above). Information related to cutting control includes, for example, information representing the movement trajectory of the laser processing.

[0091] Information regarding the movement control of the discharge nozzle 41 and information regarding the control of the raw material discharge amount are obtained by simulating a movement trajectory that has a predetermined planar shape and satisfies the conditions of having a predetermined thickness, based on the shape and dimensions of the sheet, in the aforementioned trajectory calculation process. That is, the manufacturing data derivation unit 33 executes the aforementioned trajectory calculation process based on the shape and dimensions of the sheet to derive information regarding the movement control of the discharge nozzle 41 and information regarding the control of the raw material discharge amount. Furthermore, the manufacturing data output unit 33 derives information related to cutting control based on the shape and dimensions of the sheet. For example, based on the shape and dimensions of the sheet, it derives a trajectory that is spaced apart from the contour (peripheral edge 17) of the sheet layer 11 and follows the contour of the sheet layer 11. By performing laser processing along this trajectory on a continuous sheet 12a of the base material layer 12, it is possible to cut out a base material layer 12 from the continuous sheet 12a that is substantially similar in shape to the plan view shape of the sheet layer 11.

[0092] The manufacturing control unit 35 controls the sheet layer forming apparatus 40, the cutting apparatus 50, and the handling apparatus 60, which are provided in the sheet forming unit 300, based on the manufacturing information derived by the manufacturing data derivation unit 33. In this embodiment, the manufacturing control unit 35 includes a nozzle movement control unit 351 that controls the movement of the discharge nozzle 41 of the sheet layer forming apparatus 40, a raw material discharge amount control unit 353 that controls the amount of raw material discharged from the discharge nozzle 41, a cut control unit 354 that controls the cutting apparatus 50, and a handling control unit 356 that controls the handling apparatus 60. Each of these units of the manufacturing control unit 35 controls the sheet layer forming apparatus 40, the cutting apparatus 50, or the handling apparatus 60 based on the manufacturing information derived by the manufacturing data derivation unit 33.

[0093] The information assignment unit 37 assigns identification information to the manufactured sheets based on the order information received by the communication unit 31. The identification information is information that can identify individual sheets, such as an identifier or the sheet's manufacturing number. The identification information may be displayed using letters, numbers, symbols, or combinations thereof, and may be displayed in an electronically readable format. Examples of electronically readable display methods include two-dimensional codes such as barcodes and QR codes (registered trademarks), and electronic information media such as RFID (Radio Frequency Identification) tags. RFID tags can be read by an RFID reader (RFID antenna). The information assignment unit 37 also assigns order information, such as the delivery address, to the packaging in which the sheets are packaged.

[0094] Next, the processes performed by the system 100 of this embodiment will be described in accordance with the determination step (A) and the formation step (B) provided in the sheet provision method of the embodiment described above. Figure 8 shows a sequence diagram illustrating the processes performed by the system 100 in the determination step (A).

[0095] In the decision process (A), when the information terminal P launches an application using the system 100 (step S1), it requests counseling screen information to display counseling information from the sheet specification determination unit 200 (step S2). The counseling screen information is information for an operation screen, such as a questionnaire, that prompts the user to answer questions about their skin concerns. Next, the sheet information generation unit 22 of the sheet specification determination unit 200 transmits the counseling screen information to the information terminal P (step S3), causing the display unit of the information terminal P to display an operation screen based on the screen information. The user then inputs information about their skin concerns based on the information displayed on the operation screen. The input information entered through this operation is transmitted from the information terminal P to the input information analysis unit 24 of the sheet specification determination unit 200 (step S4). Next, the input information analysis unit 24 selects one or more sheets with appropriate properties and shapes from among the multiple types of sheets stored in the storage unit D1 based on the input information (step S5), and transmits these as candidate sheets to the sheet information generation unit 22, and also transmits an operation request signal to prompt the user to select a sheet to be attached from among the candidate sheets (step S6). The processing in step S5 is performed by the counseling information analysis unit 241 (not shown). Subsequently, the sheet information generation unit 22 presents information on the candidate sheets and transmits information on a selection operation screen to the information terminal P to allow the user to determine the type of sheet (step S7). The user operates the selection operation screen to select a sheet to be attached from among the candidate sheets [see Figure 4(a)]. This determines the properties and shapes of the sheet to be attached. This information on the properties and shapes of the sheet is transmitted to the input information analysis unit 24 (step S8), and further transmitted to the order information generation unit 28 (step S9).

[0096] Next, the input information analysis unit 24 requests image data of the sheet application area from the information terminal P as information about the body surface (step S10). As a result, the information terminal P executes the shooting mode (step S11). The user uses the information terminal P, which is in shooting mode, to photograph the sheet application area, such as the face. This image data is transmitted from the information terminal P to the input information analysis unit 24 of the sheet specification determination unit 200 (step S12). This obtains information about the body surface. Next, the input information analysis unit 24 recognizes the face, which is the application area, based on the transmitted image (step S13). The processing in step S13 is performed by the sheet size calculation unit 245 of the input information analysis unit 24 (not shown). Next, the input information analysis unit 24, specifically the sheet size calculation unit 245, transmits an operation request signal to the sheet information generation unit 22 for adjusting the size of the sheet (step S14). The sheet information generation unit 22 transmits information of the adjustment operation screen for the user to determine the size of the sheet to the information terminal P (step S15). The user operates the adjustment screen to adjust the placement position of the sheet and the size of the sheet at that placement position (see Figures 5(a) and (b)). Through this terminal operation, the placement position and size of the sheet in the image data are determined. This information on the placement position and size of the sheet is transmitted to the input information analysis unit 24 (step S16), and based on this information, the sheet size calculation unit 245 (not shown) of the input information analysis unit 24 derives the dimensions of the sheet (step S17). Subsequently, this dimension information is transmitted to the order information generation unit 28 (step S18).

[0097] The order information generation unit 28 generates sheet information (order sheet information) with a determined shape and dimensions for each user based on the sheet properties, shape, and dimensions information transmitted from the input information analysis unit 24 (not shown), and also generates order screen information for ordering the sheet (step S19), and transmits the order screen information to the information terminal P (step S20). As a result, the order screen for ordering the sheet is displayed on the display unit of the information terminal P. The user enters order information such as the delivery address, desired delivery date, and number of sheets according to the order screen. The entered order information is transmitted to the order information generation unit 28 (step S21), and the order information is stored in the customer information storage unit D3 (step S22). After step S22, information indicating that the sheet order has been completed is displayed on the display unit of the information terminal P (not shown). The order information generation unit 28 also transmits the order information and order sheet information to the sheet forming unit 300 via the communication unit 21 (not shown).

[0098] Next, regarding the processes performed by the information terminal P and the sheet specification determination unit 200 in steps S1 to S22 described above, we will explain, using Figures 9 and 10, an example in which the sheet specification determination unit 200 derives a sheet that conceals blemishes based on information about the body surface (skin image) transmitted from the information terminal P. Figure 9 is a flowchart showing the processing of information terminal P. The CPU of information terminal P is the entity that executes each step described below. In step S551 shown in Figure 9, the aforementioned counseling information is received. In this embodiment, the counseling information includes the aforementioned information about skin problems, as well as information such as the user U's age and gender. The counseling information may be entered using the text input function provided by the OS of the information terminal P, or it may be entered using voice input or gesture input.

[0099] In the following step S552, the user U's face is photographed using the camera built into the information terminal P. Hereinafter, the image obtained in step S552 will be referred to as the "face image F". In the following step S553, the information obtained in steps S551 to S552 is uploaded to the sheet specification determination unit 200 and the process proceeds to step S554. The information uploaded in this step is the user U's counseling information and face image. In step S554, a sheet image is received from the sheet specification determination unit 200. This sheet image is an image of a sheet derived by the sheet specification determination unit 200 based on counseling information (see step S505 described later). In the following step S555, the sheet image received in step S554 is superimposed on the face image F obtained in step S552 and displayed on the display unit of the information terminal P. In the following step S556, a user interface is displayed to prompt user U to make a selection and to determine user U's actions. This user interface allows the user U to select either moving the sheet, resizing the sheet, or finishing the sheet adjustment (see Figures 4(a) and (b)). For example, if user U drags the sheet (sheet image) displayed on the touch panel or operates the move button displayed on the display unit, it can be determined that moving the sheet has been selected. Also, if user U pinches the sheet (sheet image) displayed on the touch panel or operates the zoom in / out button displayed on the display unit, it can be determined that resizing the sheet has been selected. Furthermore, by operating the "Finish Adjustment" button displayed on the screen, it can be determined that the sheet adjustment has been finished. In step S556, if it is determined that user U has selected to resize, the process proceeds to step S557; if it is determined that they have selected to move, the process proceeds to step S558; and if it is determined that they have selected to finish the adjustment, the process proceeds to step S559.

[0100] In step S557, the size information of the modified sheet, whose size has been changed by user U's operation, is sent to the sheet specification determination unit 200, and the process returns to step S554. The modified sheet size information is a numerical value indicating the modified size, for example, with the current sheet size being "100". If the sheet is enlarged by a factor of two, "200" is sent, and if it is reduced by a factor of 0.75, "75" is sent. In step S558, information about the amount of movement performed by user U is transmitted to the sheet specification determination unit 200, and the process returns to step S554. This amount of movement is the amount of movement in the X and Y directions on the two-dimensional plane displayed on the display unit. In step S559, a dialog box is displayed on the display unit asking for the number of sheets to order. In the following step S560, the user U's input is sent to the sheet specification determination unit 200, and the process shown in Figure 9 is completed.

[0101] Figure 10 is a flowchart showing the processing of the sheet specification determination unit 200 corresponding to Figure 9. The CPU of the sheet specification determination unit 200 is the main execution entity for each of the steps shown below. When the information upload in step S553 in Figure 9 is performed, the processing shown in Figure 10 begins. In step S500, information uploaded by the information terminal P is retrieved. In this step, counseling information including the user U's age and gender, and a face image F are obtained. In the following step S501, facial feature detection is performed on the face image F. Specifically, using pattern matching and a pre-trained cascade classifier, the eyes, nose, mouth, and ears are detected in the face image F, and their coordinates are identified.

[0102] In the following step S502, based on the counseling information, the system detects the areas of the face image F that user U has identified as skin concerns (hereinafter referred to as "areas of focus"). To perform this detection, the input information analysis unit 24 determines which category the areas of focus belong to, such as blemishes, wrinkles, or firmness, based on the counseling information entered by user U in step S551 (not shown in Figure 10). The storage unit D1 in the sheet specification determination unit 200 has a database pre-stored that shows the relationship between the areas of focus and the categories, and the system determines which category the areas of focus belong to based on this database and the counseling information entered by user U in step S551. For example, the system determines which category (blemishes, wrinkles, firmness, etc.) the areas of focus belong to based on the consistency between the entered counseling information and the text related to the categories. The system then detects the areas of focus in the face image F. The processing method for this detection will be explained using the case where the areas of focus are "blemishes" as an example. First, the facial region is extracted from the facial image F, and the average color of the area excluding parts such as hair, eyes, mouth, and eyebrows is calculated to obtain the average skin color of user U. Next, for each pixel in the facial region of the facial image F, the difference (color difference) from the calculated average skin color is calculated. Then, the obtained color difference information is binarized, and the point cloud generated by the binarization process is grouped. Furthermore, based on the magnitude of the variance of the point cloud in each group, the group is classified into "blemishes" and "wrinkles". Specifically, groups with a variance value above a predetermined threshold are classified as "blemishes", and groups with a variance value below a predetermined threshold are classified as "wrinkles". Then, the group of point clouds that matches the category of the area of ​​focus is selected. That is, if the area of ​​focus is "blemishes", the "blemishes" group is selected, and the center coordinates and coordinate region in the facial image F of each point cloud classified in that group are calculated. The number of blemishes and wrinkles calculated in step S502 is not limited to one, and multiple may be calculated.

[0103] In the subsequent step S503, based on the gender and age included in the counseling information of user U obtained in step S500, the most suitable face model is selected from several pre-prepared face models. In the following step S504, the face model selected in step S503 is matched with the face image F. Since the coordinates of the face parts in face image F were identified in step S501, they are matched with the three-dimensional coordinates of the face parts that have been pre-set in the face model. In the following step S505, the matching results from the previous step are used to identify the position of the blemish on the face model calculated in step S502, and the sheet model (shape of the sheet) is identified by referring to the shape database stored in the memory unit D1. Specifically, since the center coordinates of each face part in the face image F are identified in correspondence with the coordinates in the face model, the coordinates of the blemish on the face image F calculated in step S502 can be converted to the coordinates in the face model using methods such as proportional interpolation. Then, the initial parameters of the sheet model are identified by comparing the converted coordinates in the face model with the shape database. This identifies both the sheet placement position on the face image F and the shape of the sheet to be attached. This step is repeated the same number of times as the number of blemishes detected in step S502.

[0104] In the following step S506, the renderer in the input information analysis unit 24 is activated, a new sheet model is created in the three-dimensional space managed by the renderer, and the initial parameters identified in step S505 are loaded into the sheet model (initial value loading). In other words, the initial parameters are reflected in the sheet model. If there are multiple blemishes detected in step S502, the same number of sheet models are created and the initial parameters corresponding to each blemish are loaded. In this case, the parameters may be adjusted so that the size of the sheet model is the minimum size that covers the entire area of ​​the blemish. Since the area in the face image F where blemishes exist is calculated in step S502, the area in the face model where blemishes exist can also be calculated using the same method as the method used to identify the three-dimensional coordinates in the face model of the center coordinates.

[0105] In the subsequent step S507, the face model identified in step S503 is loaded into the three-dimensional space managed by the renderer, and the center of the sheet model is positioned at the location calculated in step S505. At this time, the renderer deforms the sheet model along the surface of the face model. In this way, step S507 renders the sheet model using the renderer and obtains the rendered image. Furthermore, using the reverse procedure of step S505, the coordinates of the sheet model in the same three-dimensional space as the face model are converted to the coordinates in the face image F (not shown in Figure 10). In the following step S508, the rendered image and coordinate values ​​obtained in step S507 are transmitted to the information terminal P. The information transmitted in this step is received in step S554 in Figure 9. In the following step S509, the operation of user U transmitted from information terminal P in step S556 is determined. If it is determined that user U's operation is a size change, the process proceeds to step S510; if it is determined that the sheet is moved, the process proceeds to step S511; and if it is determined that the sheet adjustment is complete, the process proceeds to step S513. For example, if information on the sheet's size after the change is received, it is determined that user U's operation is a size change; if information on the amount the sheet has been moved is received, it is determined that user U's operation is a sheet move; and if information indicating that the adjustment completion button has been pressed is received, it is determined that user U's operation is the completion of the adjustment.

[0106] In step S510, the parameters of the sheet model are updated based on the modified sheet size information received from the information terminal P, and the process returns to step S507. For example, if "200" is received from the information terminal P in step S557 as the numerical value indicating the modified sheet size, the parameters of the sheet model are updated so that the dimensions are doubled. In step S511, the coordinate values ​​calculated in step S507 plus the movement amount received from the information terminal P are converted into coordinates on the face model, and the position of the sheet model is updated. The processing in step S511 is performed in the same procedure as in step S505. In the following step S512, the shape of the sheet model whose position was updated in step S511 is identified by referring to the shape database, parameters are set, and the process returns to step S507. In step S513, the input value for the order quantity transmitted from the information terminal P in step S560 is received, and the process shown in Figure 10 is terminated.

[0107] In the position and size determination step (A2-2) that performs the processing shown in Figures 9 and 10 above, the sheet dimensions are updated in real time and displayed on the adjustment operation screen in response to the user U's operations on the adjustment operation screen. Furthermore, the sheet placement position and sheet size are determined based on the position information (coordinates) of discolored areas such as blemishes in the face image F (steps S502-513), thus simplifying operations such as dragging performed by the user U to determine the placement position and size. In this way, candidate position information for the sheet placement position (hereinafter also referred to as "candidate position information") may be displayed on the adjustment operation screen, and the user U may decide whether or not to use the position indicated by the candidate position information as the sheet placement position. The candidate position information is generated based on the position information (coordinate information of the point cloud) of discolored areas such as blemishes on the skin on the adjustment operation screen, as in step S502.

[0108] Figure 11 shows a flowchart illustrating the processes performed by system 100 in the formation process (B). In the forming process (B), first, the sheet specification determination unit 200 transmits the order sheet information to the sheet forming unit 300. The sheet forming unit 300 then acquires the order sheet information (step S31). Next, the manufacturing data derivation unit 33 of the sheet forming unit 300 derives manufacturing information for producing the sheet based on the sheet shape and dimensions information from the order sheet information (step S32). This manufacturing information is transmitted to the manufacturing control unit 35, and based on this manufacturing information, the nozzle movement control unit 351 and the raw material discharge amount control unit 353 control the discharge nozzle 41 to form the sheet layer 11 (step S33). Once the sheet layer 11 is formed in step S33, based on the manufacturing information, the cut control unit 354 controls the cutting device 50 to cut the continuous sheet 12a of the base material layer (step S34), and further based on the manufacturing information, the handling control unit 356 controls the handling device 60 to remove the manufactured sheet (step S35). The information assignment unit 37 assigns identification information to the resulting sheet based on the order information and order sheet information (step S36). Next, the sheet forming unit 300 determines, based on the order information, whether there are any remaining ordered sheets for the sheets manufactured through steps S31 to S36 (step S37). If there are remaining ordered sheets in step S37, the process returns to step S32 and repeats the process from step 32 onward. If there are no remaining ordered sheets in step S37, the process proceeds to step S38. Next, the sheet forming unit 300 determines whether there is any other order sheet information (step S38). If there is other order sheet information in step S38, the process returns to step S31 and repeats the process from step 31 onward. If there is no other order sheet information in step S38, the process in forming step (B) is terminated. The sheets thus manufactured are packed into a packaging body, and the information assignment unit 37 assigns order information such as the delivery address to the packaging body. The packaging body is delivered to the user based on the delivery address.

[0109] Although the present invention has been described above based on its preferred embodiments, the present invention is not limited to the embodiments described above and can be modified as appropriate. For example, in the embodiment described above, a sheet to be applied to the face was provided to the user for beauty purposes such as skincare and makeup, but it is not limited to beauty purposes. For example, a sheet to be applied to the surface of the body and which has been printed on it may be provided. Specifically, by applying a sheet with a pattern to the surface of the body, the same finish as when the pattern is directly drawn on the surface of the body can be obtained. The more elaborate the pattern, the more efficient this method of providing the sheet is compared to drawing the pattern directly on the surface of the body. Furthermore, examples of the printed sheet include a colored sheet with a color that is the same as or similar to the user U's skin color applied by printing, and a printed sheet with an image that mimics skin features such as moles, acne, scars, and wrinkles applied by printing. The color of the colored sheet is determined based on the skin color information described above.

[0110] Furthermore, while the method of providing the embodiment described above involves providing a sheet to be attached to the face to the user, the body part to which the sheet is attached is not limited to the face, but may be any of the body parts exemplified as body parts to which the sheet is attached. Furthermore, while the sheet provision method in the above-described embodiment included a step of optimizing the shape and dimensions of the sheet in the decision processing step (A2-3) using machine learning, the sheet provision method of the present invention does not need to include such a machine learning optimization step. Similarly, the sheet provision system of the present invention does not need to include the information utilization unit 26 and the learning data storage unit D2. Furthermore, in the above-described embodiment, the method of providing the sheet involved presenting information indicating the sheet's function and properties along with the sheet's shape in the shape selection step (A2-1) to allow the user to determine the sheet's shape. However, it is also possible to present only the sheet's shape information and allow the user to make the decision. In this case, the counseling information analysis unit 241 extracts information on candidate sheets having a predetermined shape based on the user's counseling results and transmits this information to the sheet information generation unit 22.

[0111] The method for providing the sheet in the above-described embodiment was carried out using a system 100 comprising a sheet specification determination unit 200 and a sheet forming unit 300, but it may also be carried out using a system of a different form than such system 100. For example, it may be carried out by a system comprising a sheet specification determination unit 200 and a sheet forming instruction unit that generates control instruction information for controlling a discharge nozzle that discharges sheet raw materials and causes a sheet to be formed. This sheet forming instruction unit comprises a communication unit and an instruction information derivation unit that derives the control instruction information, and is composed of the general-purpose computer separate from the sheet forming unit 300 and the sheet specification determination unit 200. The communication unit of the sheet forming instruction unit receives order information and order sheet information transmitted from the sheet specification determination unit 200 via the network N. The communication unit also transmits the control instruction information derived by the instruction information derivation unit to the sheet forming unit 300 via the network N. The control instruction information is synonymous with the manufacturing information derived by the manufacturing data derivation unit 33 described above. The instruction information derivation unit has the same configuration as the manufacturing data derivation unit 33 described above, and derives the control instruction information based on the sheet shape and dimensions information from the order sheet information received by the communication unit. The sheet forming unit 300, upon receiving this control instruction information, controls the sheet layer forming apparatus 40, the cutting apparatus 50, or the handling apparatus 60 based on the control instruction information to manufacture a sheet. Furthermore, in addition to the above configuration, the sheet specification determination unit 200 may also be a system that includes the instruction information derivation unit. In this case, the sheet specification determination unit 200 includes the instruction information derivation unit together with the communication unit 21, the sheet information generation unit 22, and the input information analysis unit 24.

[0112] Furthermore, the functions described in the embodiments described above may be embodied in hardware, software, firmware, or any combination thereof. When embodied in software, the functions may also be stored as one or more program instructions or code on a computer-readable storage medium or recording medium. The computer-readable storage medium or recording medium may be any available medium that can be accessed by a general-purpose or dedicated computer. As a non-limiting example, such a computer-readable storage medium or recording medium may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired program code means in the form of instructions or data structures and can be accessed by a general-purpose or dedicated computer or a general-purpose or dedicated processor.

[0113] With regard to the embodiments described above, the present invention further discloses the following methods and systems for providing sheets.

[0114] <1> A method for providing a sheet that is attached to the body surface of individual users for use, A decision step (A) determines the shape and dimensions of the sheet for each user based on information about the body surface of each user, A method for providing a sheet, comprising a forming step (B) which controls a discharge nozzle for discharging the sheet raw material based on the shape and dimensions of the sheet, and forms the sheet.

[0115] <2> The determination step (A) comprises an information acquisition step (A1) for acquiring information about the body surface of each user, and a shape and dimension determination step (A2) for determining the shape and dimensions of the sheet for each user based on the said information. <1> The method for providing the sheet described above. <3> The shape and dimension determination step (A2) comprises a shape selection step (A2-1) in which the user selects the shape of the sheet, and a position and size determination step (A2-2) in which the user determines the position and size of the sheet to be attached, and determines a sheet shape and dimensions suitable for the user based on the information regarding the body surface, the shape of the sheet selected by the user, and the information regarding the attachment position and size determined by the user. <2> The method for providing the sheet described above. <4> The information relating to the body surface is obtained using an information terminal or a device capable of acquiring information relating to the body surface. <1> ~ <3> The method of providing the sheet described in one of the following 1. <5> The information relating to the body surface includes one or more pieces of information selected from the group consisting of the part of the body to which the sheet is attached, the color, unevenness, moisture content, and viscoelasticity of the skin in that part, <1> ~ <4> The method of providing the sheet described in one of the following 1. <6> In the forming step (B), the sheet is formed by moving the discharge nozzle along a trajectory based on the shape and dimension information while discharging the raw material. <1> ~ <5> The method of providing the sheet described in one of the following 1. <7> Control one or more selected from the group consisting of the amount of raw material discharged, the position of the raw material discharged, and the movement trajectory of the discharge nozzle, so that the shape and dimensions are as described above. <6> The method for providing the sheet described above. <8> The raw material is discharged while applying voltage to form the sheet, <6> or <7> The method for providing the sheet described above. <9> The sheet comprises a base layer and a sheet layer made of the raw material. <1> ~ <8> The method of providing the sheet described in one of the following 1. <10> The maximum thickness of the sheet layer is 5.1 μm or more and 500 μm or less, preferably 10 μm or more and 400 μm or less. <9> The method for providing the sheet described above.

[0116] <11> The sheet is composed of fibers derived from the raw material, and the fiber diameter of the fibers is preferably 0.1 μm or more and 4 μm or less, preferably 0.5 μm or more and 2 μm or less, and also 6 μm or less and 1 μm or less. <1> ~ <10> The method of providing the sheet described in one of the following 1. <12> The method comprises a trajectory calculation step for determining the movement trajectory of the discharge nozzle, and a deposition step for depositing nanofibers based on the movement trajectory. <11> The method for providing the sheet described above. <13> The trajectory calculation step is a step in which the movement trajectory of the discharge nozzle is determined based on the correlation between factors relating to the deposition distribution of the nanofibers and the thickness of the nanofibers to be deposited. The aforementioned factors are one or more selected from the group consisting of the moving speed of the discharge nozzle, the discharge speed of the raw material liquid, the potential difference between the discharge nozzle and the discharge point of the raw material liquid, the distance between the discharge nozzle and the discharge point of the raw material liquid, the inner diameter of the discharge nozzle, and the material of the discharge nozzle. <12> The method for providing the sheet described above. <14> The trajectory calculation step comprises a step of repeatedly simulating the trajectory until a trajectory is obtained that has a portion along the planar shape based on the shape and dimension information and satisfies the conditions that the thickness of the nanofiber is a predetermined value. <13> The method for providing the sheet described above. <15> The sheet is provided to the user through an e-commerce distribution channel where the product is purchased through an e-commerce site, or through a face-to-face distribution channel where the product is purchased through face-to-face sales at a retail store. <1> ~ <14> The method of providing the sheet described in one of the following 1. <16> The aforementioned determination step (A) includes the step of transmitting information regarding the body surface of each user to the sheet specification determination unit via a network, Based on the information regarding the body surface, the sheet specification determination unit includes a step of determining the shape and dimensions of the sheet for each user. The forming step (B) includes a step of transmitting the shape and dimensions information to the sheet forming unit via a network, The sheet forming section comprises the steps of controlling a discharge nozzle that discharges the sheet raw material based on the shape and dimension information, and moving the discharge nozzle along a trajectory based on the shape and dimension information while discharging the raw material to form the sheet. <1> The method for providing the sheet described above. <17> A sheet provisioning system that provides sheets that are attached to the body surface of individual users for use, A seat specification determination unit that determines the shape and dimensions of the seat for each user based on information about the body surface of each user, A sheet supply system comprising a sheet forming unit that controls a discharge nozzle for dispensing the sheet raw material based on the shape and dimensions of the sheet, and forms the sheet. <18> The sheet forming unit moves the discharge nozzle along a trajectory based on the shape and dimension information while discharging the raw material to form the sheet. <17> The system for providing the sheets described above. <19> Control one or more selected from the group consisting of the amount of raw material discharged, the position of the raw material discharged, and the movement trajectory of the discharge nozzle, so that the shape and dimensions are as described above. <18> The system for providing the sheets described above. <20> The apparatus comprises a manufacturing data derivation unit that determines the movement trajectory of the discharge nozzle, and a sheet layer forming apparatus that deposits nanofibers based on the movement trajectory, <19> The system for providing the sheets described above.

[0117] <21> The sheet forming unit forms the sheet by discharging the raw material while applying a voltage. <17> ~ <20> A system for providing the sheets described in one of the following (1). <22> The aforementioned seat specification determination unit is connected to an information terminal or a body surface information acquisition device via a network. The aforementioned sheet specification determination unit comprises a communication unit, a sheet information generation unit, and an input information analysis unit. The communication unit receives information about the body surface of each user from the information terminal and the body surface information acquisition device, respectively, and transmits the information generated or calculated by the sheet information generation unit or the input information analysis unit to the information terminal, the body surface information acquisition device, or the sheet forming unit. The sheet information generation unit transmits to the information terminal or the body surface information acquisition device via the communication unit, in accordance with the information received by the communication unit, information for a selection operation screen that allows the user to select the shape of the sheet, and information for an adjustment operation screen that allows the user to adjust the sheet's placement and size. The input information analysis unit calculates the shape and dimensions of a sheet suitable for the user based on the information regarding the user's body surface, the shape of the sheet selected by the user, and the information regarding the application position and size determined by the user. <17> ~ <21> A system for providing the sheets described in one of the following (1). <23> The aforementioned sheet specification determination unit further comprises a training data storage unit for storing training data for machine learning, a customer information storage unit for storing customer information data, and an information utilization unit. The information utilization unit uses the learning data stored in the learning data storage unit and the customer information data stored in the customer information storage unit to generate a machine learning model for optimizing the calculation processing performed by the input information analysis unit from the information on the user's body surface received by the communication unit, and updates the program for the calculation processing performed by the input information analysis unit by machine learning. <22> The system for providing the sheets described above. <24> A sheet provisioning system that provides sheets that are attached to the body surface of individual users for use, A seat specification determination unit that determines the shape and dimensions of the seat for each user based on information about the body surface of each user, A sheet supply system comprising: a sheet forming instruction unit that generates control instruction information for controlling a discharge nozzle that discharges the sheet raw material based on the shape and dimensions information, and causes the sheet to be formed. <25> The sheet specification determination unit performs the steps of acquiring information about the body surface of each user and determining the shape and dimensions of the sheet for each user based on said information. <17> ~ <24> A system for providing the sheets described in one of the following (1). <26> The information relating to the body surface includes one or more pieces of information selected from the group consisting of the part of the body to which the sheet is attached, the color, unevenness, moisture content, and viscoelasticity of the skin in that part, <17> ~ <25> A system for providing the sheets described in one of the following (1). <27> The unit comprises a memory unit that stores information relating to the body surface, <17> ~ <26> A system for providing the sheets described in one of the following (1). <28> The sheet includes a sheet layer made of the raw material, The maximum thickness of the sheet layer is 5.1 μm or more and 500 μm or less, preferably 10 μm or more and 400 μm or less. <17> ~ <27> A system for providing the sheets described in one of the following (1). <29> The sheet is composed of fibers derived from the raw material, and the fiber diameter of the fibers is preferably 0.1 μm or more and 4 μm or less, preferably 0.5 μm or more and 2 μm or less, and also 6 μm or less and 1 μm or less. <17> ~ <28> A system for providing the sheets described in one of the following (1). <30> A sheet providing device that provides sheets to be attached to the body surface of individual users, A seat specification determination unit that determines the shape and dimensions of the seat for each user based on information about the body surface of each user, A sheet supplying device comprising: a sheet forming instruction unit that generates control instruction information for controlling a discharge nozzle that discharges the sheet raw material based on the shape and dimensions information, and causes the sheet to be formed.

[0118] <31> A method for determining the specifications of a sheet that is attached to the body surface of an individual user and used, The process involves receiving information about the user's body surface from an information terminal or a body surface information acquisition device, A step of determining the shape and dimensions of the user's seat based on the information regarding the body surface, A method for determining the specifications of a sheet, comprising the step of transmitting sheet information, including the shape and dimensions of the sheet, to a sheet layer forming apparatus for forming the sheet. <32> A server that determines the specifications of a sheet that is attached to the body surface of an individual user, Information regarding the user's body surface is received from an information terminal or a body surface information acquisition device. Based on the information regarding the body surface, the shape and dimensions of the user's seat are determined. A server that transmits sheet information, including the shape and dimensions of the sheet, to a sheet layer forming apparatus that forms the sheet. <33> A computer-readable storage medium on which program code for determining the specifications of sheets used by being attached to the body surface of individual users is recorded, The aforementioned program code is: Program code for causing a computer to receive information about the user's body surface from an information terminal or a body surface information acquisition device, A program code for causing the computer to determine the shape and dimensions of the user's seat based on the information relating to the body surface, A computer-readable storage medium comprising: a program code for causing a sheet layer forming apparatus that forms the sheet to transmit sheet information, including the shape and dimensions of the sheet, to the computer. <34> A computer program stored on a medium for determining the specifications of a sheet used by being attached to the body surface of an individual user, Program code for causing a computer to receive information about the user's body surface from an information terminal or a body surface information acquisition device, A program code for causing the computer to determine the shape and dimensions of the user's seat based on the information relating to the body surface, A computer program stored on a medium, including program code for causing a sheet layer forming apparatus that forms the sheet to transmit sheet information, including the shape and dimensions of the sheet, to the computer. [Explanation of symbols]

[0119] 10 sheets 11 sheet layers 12 Base material layer 40 Sheet layer forming apparatus 41 Discharge nozzle 42 Mobile device 50 Cutting device 60 Handling devices System for providing 100 seats 200 Seat Specification Determination Section 21 Communications Department 22 Sheet Information Generation Unit 24 Input Information Analysis Unit 26 Information Utilization Department 28 Order Information Generation Unit 300 Sheet forming section 31 Communications Department 33 Manufacturing Data Derivation Unit 35 Manufacturing Control Unit D1 storage section D2: Data storage unit for learning D3 Customer Information Storage Unit

Claims

1. A method for providing a sheet that is attached to the body surface of individual users for use, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer. The substrate layer and the sheet layer are peelable. A decision step (A) determines the shape and dimensions of the sheet for each user based on information about the body surface of each user, Forming step (B) involves controlling the discharge nozzle for dispensing the raw material for the sheet layer based on the shape and dimensions information, and forming the sheet layer. The process includes cutting a continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. The aforementioned sheet layer is composed of fibers derived from the aforementioned raw materials. A method for providing a sheet, wherein in the forming step (B), the sheet layer is formed by moving the discharge nozzle along a trajectory based on the shape and dimension information while discharging the raw material.

2. A method for providing a sheet that is used by being attached to the body surface of an individual user, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer. The substrate layer and the sheet layer are peelable. A decision step (A) determines the shape and dimensions of the sheet for each user based on information about the body surface of each user, Forming step (B) involves controlling the discharge nozzle for dispensing the raw material for the sheet layer based on the shape and dimensions information, and forming the sheet layer. The process includes cutting a continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. The aforementioned sheet layer is composed of fibers derived from the aforementioned raw materials. A method for providing a sheet, comprising: in the forming step (B), adjusting the distribution of the fibers based on the shape and dimensions to form the sheet layer.

3. A sheet provisioning system that provides sheets that are attached to the body surface of individual users for use, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. The aforementioned sheet provisioning system is a sheet provisioning system that satisfies either condition 1 or 2 below. Condition 1 The aforementioned sheet provisioning system includes a sheet specification determination unit that determines the shape and dimensions of a sheet for each user based on information about the body surface of each user, A sheet forming unit controls a discharge nozzle that discharges the raw material for the sheet layer based on the shape and dimensions information, and forms the sheet layer. The system includes a cutting control unit that cuts a continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. The sheet forming unit forms the sheet layer by moving the discharge nozzle along a trajectory based on the shape and dimension information while discharging the raw material. Condition 2 The aforementioned sheet provisioning system includes a sheet specification determination unit that determines the shape and dimensions of a sheet for each user based on information about the body surface of each user, The system includes a sheet forming instruction unit that generates control instruction information for controlling a discharge nozzle that discharges the raw material for the sheet layer based on the shape and dimensions, and causes the sheet layer to be formed. The control instruction information includes information to cut the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer, The information includes that the sheet layer is formed by moving the discharge nozzle along a trajectory based on the shape and dimensions information while discharging the raw material.

4. A sheet provisioning system that provides sheets that are attached to the body surface of individual users for use, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. The aforementioned sheet provisioning system is a sheet provisioning system that satisfies the following conditions 3 or 4. Condition 3 The aforementioned sheet provisioning system includes a sheet specification determination unit that determines the shape and dimensions of a sheet for each user based on information about the body surface of each user, A sheet forming unit controls a discharge nozzle that discharges the raw material for the sheet layer based on the shape and dimensions information, and forms the sheet layer. The system includes a cutting control unit that cuts a continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. The sheet forming unit adjusts the distribution of the fibers based on the shape and dimensions to form the sheet layer. Condition 4 The aforementioned sheet provisioning system includes a sheet specification determination unit that determines the shape and dimensions of a sheet for each user based on information about the body surface of each user, The system includes a sheet forming instruction unit that generates control instruction information for controlling a discharge nozzle that discharges the raw material for the sheet layer based on the shape and dimensions, and causes the sheet layer to be formed. The control instruction information includes information to cut the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer, The information includes information on adjusting the deposition distribution of the fibers based on the shape and dimensions to form the sheet layer.

5. A sheet providing device that provides sheets to be attached to the body surface of individual users, The aforementioned sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. A seat specification determination unit that determines the shape and dimensions of the seat for each user based on information about the body surface of each user, The system includes a sheet forming instruction unit that generates control instruction information for controlling a discharge nozzle that discharges the raw material for the sheet layer based on the shape and dimensions, and causes the sheet layer to be formed. The control instruction information includes information to cut the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer, A sheet dispensing apparatus, which includes information that the sheet layer is formed by moving the discharge nozzle along a trajectory based on the shape and dimensions information while dispensing the raw material.

6. A sheet providing device that provides sheets to be attached to the body surface of individual users, The aforementioned sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. A seat specification determination unit that determines the shape and dimensions of the seat for each user based on information about the body surface of each user, The system includes a sheet forming instruction unit that generates control instruction information for controlling a discharge nozzle that discharges the raw material for the sheet layer based on the shape and dimensions, and causes the sheet layer to be formed. The control instruction information includes information to cut the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer, A sheet providing apparatus, which includes information on adjusting the deposition distribution of the fibers based on the shape and dimensions to form the sheet layer.

7. A server that determines the specifications of a sheet that is attached to the body surface of an individual user, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. Information regarding the user's body surface is received from an information terminal or a body surface information acquisition device. Based on the information regarding the body surface, the shape and dimensions of the user's seat are determined. The sheet information, including the shape and dimensions of the sheet, is transmitted to the sheet layer forming apparatus that forms the sheet layer. The information on the sheet includes information for cutting the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. A server that includes information on forming the sheet layer by moving a discharge nozzle, which discharges the raw material for the sheet layer, along a trajectory based on the shape and dimensions information while discharging the raw material.

8. A server that determines the specifications of a sheet that is attached to the body surface of an individual user, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. Information regarding the user's body surface is received from an information terminal or a body surface information acquisition device. Based on the information regarding the body surface, the shape and dimensions of the user's seat are determined. The sheet information, including the shape and dimensions of the sheet, is transmitted to the sheet layer forming apparatus that forms the sheet layer. The information on the sheet includes information for cutting the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. A server including information for adjusting the deposition distribution of the fibers based on the shape and dimensions information to form the sheet layer.

9. A computer-readable storage medium on which program code for determining the specifications of sheets used by being attached to the body surface of individual users is recorded, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. The aforementioned program code is: Program code for causing a computer to receive information about the user's body surface from an information terminal or a body surface information acquisition device, A program code for causing the computer to determine the shape and dimensions of the user's seat based on the information relating to the body surface, The program code includes causing a sheet layer forming apparatus that forms the sheet layer to transmit sheet information, including the shape and dimensions of the sheet, to the computer, The information on the sheet includes information for cutting the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. A computer-readable storage medium that includes information on forming the sheet layer by moving a discharge nozzle, which discharges the raw material for the sheet layer, along a trajectory based on the shape and dimensions information, while discharging the raw material.

10. A computer-readable storage medium on which program code for determining the specifications of sheets used by being attached to the body surface of individual users is recorded, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. The aforementioned program code is: Program code for causing a computer to receive information about the user's body surface from an information terminal or a body surface information acquisition device, A program code for causing the computer to determine the shape and dimensions of the user's seat based on the information relating to the body surface, The program code includes causing a sheet layer forming apparatus that forms the sheet layer to transmit sheet information, including the shape and dimensions of the sheet, to the computer, The information on the sheet includes information for cutting the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. A computer-readable storage medium, including information on adjusting the deposition distribution of the fibers based on the shape and dimensions to form the sheet layer.

11. A computer program stored on a medium for determining the specifications of a sheet used by being attached to the body surface of an individual user, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. Program code for causing a computer to receive information about the user's body surface from an information terminal or a body surface information acquisition device, A program code for causing the computer to determine the shape and dimensions of the user's seat based on the information relating to the body surface, The program code includes causing a sheet layer forming apparatus that forms the sheet layer to transmit sheet information, including the shape and dimensions of the sheet, to the computer, The information on the sheet includes information for cutting the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. A computer program stored on a medium, which includes information on forming the sheet layer by moving a discharge nozzle that discharges the raw material for the sheet layer along a trajectory based on information on the shape and dimensions, while discharging the raw material.

12. A computer program stored on a medium for determining the specifications of a sheet used by being attached to the body surface of an individual user, The sheet comprises a base layer and a sheet layer formed by extruding raw materials onto the base layer, and the sheet layer is composed of fibers derived from the raw materials. The substrate layer and the sheet layer are peelable. Program code for causing a computer to receive information about the user's body surface from an information terminal or a body surface information acquisition device, A program code for causing the computer to determine the shape and dimensions of the user's seat based on the information relating to the body surface, The program code includes causing a sheet layer forming apparatus that forms the sheet layer to transmit sheet information, including the shape and dimensions of the sheet, to the computer, The information on the sheet includes information for cutting the continuous sheet of the base material layer along the contour of the sheet layer, or at a position spaced outward from the contour of the sheet layer. A computer program stored on a medium, which includes information on adjusting the deposition distribution of the fibers based on the shape and dimensions to form the sheet layer.

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