Cleaning sheet

Abstract

The present invention relates to a cleaning sheet, comprising: a sheet body made of an elastic material that is pressed in contact with a surface to be cleaned to remove contaminants on the surface to be cleaned; and a plurality of embossed protrusions formed protruding from at least one surface of the sheet body to increase the contact area with the surface to be cleaned.

Description

Technology Field

[0001] The present invention relates to a cleaning sheet, and more specifically, to a cleaning sheet that can be manufactured at a low cost as it has a simple structure and can be miniaturized, and can also relatively increase the cleaning efficiency of removing contaminants from a surface to be cleaned due to its efficient structure. Background Technology

[0002] When removing dirt from floors, tables, or the tops of cars, it is common practice to use cleaning towels or cloths suitable for the purpose.

[0003] Cleaning towels and cloths range from disposable ones to those that can be used multiple times after washing. Recently, there has been a growing trend of widespread adoption of cleaning towels with added functionality, such as microfiber and ultra-microfiber.

[0004] However, conventional cleaning towels or cloths, or cleaning tools including them, are bulky and therefore not suitable for removing dirt from narrow surfaces, and structurally, the cleaning efficiency for removing dirt is low, which creates a need for a new type of cleaning sheet. Prior art literature

[0005] Korean Intellectual Property Office Application No. 20-2003-0017771 The problem to be solved

[0006] The objective of the present invention is to provide a cleaning sheet that can be manufactured at a low cost by having a simple and compact structure, and can also relatively increase the cleaning efficiency of removing contaminants from a surface to be cleaned due to its efficient structure. means of solving the problem

[0007] The above objective is achieved by a nonwoven sheet body made of an elastic material that contacts and presses against a surface to be cleaned to remove contaminants on the surface to be cleaned; a plurality of embossed protrusions formed protruding from at least one surface of the sheet body to increase the contact area with the surface to be cleaned; and a functional nonwoven fabric layer laminated on the opposite side of the embossed protrusions relative to the sheet body, wherein the functional nonwoven fabric layer is formed to be smaller than the thickness of the sheet body, and the functional nonwoven fabric layer is made of polypropylene (PP); a plurality of foreign matter collecting protrusions formed on the exposed surface of the nonwoven sheet body for collecting foreign matter; and a foreign matter collecting space formed between the foreign matter collecting protrusions, wherein the collected foreign matter is trapped. This is achieved by a cleaning sheet characterized by comprising a portion of fine hairs for generating static electricity that forms the end portion of the uneven portion for collecting foreign matter and maximizes the generation of static electricity, wherein the length of the first fine hairs for generating static electricity on one side relative to one uneven portion for collecting foreign matter is shorter than the length of the second fine hairs for generating static electricity on the other side to prevent the discharge of foreign matter collected in the foreign matter collection space, wherein the embossed protrusions are arranged such that the protrusion height increases as they move from the center area to the side area of ​​the sheet body, and a dummy protrusion is further formed protruding from each of the embossed protrusions to increase the contact area with the surface to be cleaned.

[0008] The above sheet body is formed by being separated from a large-area disc sheet, and a plurality of incision lines for cutting the sheet body may be formed in the large-area disc sheet.

[0009] delete

[0010] The above plurality of embossed protrusions can be formed on both sides of the sheet body.

[0011] The arrangement positions of the embossed protrusions formed on both sides of the sheet body are different from each other,

[0012] The above-described seat body may have a finger insertion portion formed therein for inserting a finger, wherein the end of the finger insertion portion may have a closed structure. Effects of the invention

[0013] According to the present invention, the structure is not only simple but can also be miniaturized, allowing for low-cost manufacturing, and due to the efficient structure, the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher. Brief explanation of the drawing

[0014] FIG. 1a is an image of an actual product of a cleaning sheet according to a first embodiment of the present invention. Figure 1b is a rear view image of Figure 1a. Figure 2 is a plan view of Figure 1a. Figure 3 is a cross-sectional view along line AA of Figure 2. Figures 4a to 4d are comparative examples of before and after use. FIG. 5 is a plan view of a large-area disc sheet connected to a cleaning sheet according to a second embodiment of the present invention. FIG. 6 is a cross-sectional view of a cleaning sheet according to a third embodiment of the present invention. Figure 7 is an enlarged structural diagram of area B of Figure 6. FIG. 8 is a cross-sectional view of a cleaning sheet according to a fourth embodiment of the present invention. FIG. 9 is a cross-sectional view of a cleaning sheet according to the fifth embodiment of the present invention. FIG. 10 is a cross-sectional view of a cleaning sheet according to the 6th embodiment of the present invention. FIG. 11 is a cross-sectional view of a cleaning sheet according to the seventh embodiment of the present invention. FIG. 12 is a cross-sectional view of a cleaning sheet according to the eighth embodiment of the present invention. Specific details for implementing the invention

[0015] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings.

[0016] However, the present invention is not limited to the embodiments disclosed below but will be implemented in various different forms.

[0017] In this specification, the embodiments are provided to make the disclosure of the invention complete and to fully inform those skilled in the art of the scope of the invention. The invention is defined only by the scope of the claims.

[0018] Accordingly, in some embodiments, well-known components, well-known operations, and well-known techniques are not specifically described to avoid the invention being interpreted ambiguously.

[0019] Throughout the specification, the same reference numerals refer to the same components. Furthermore, the terms used (mentioned) in this specification are for describing the embodiments and are not intended to limit the invention.

[0020] In this specification, the singular form includes the plural form unless specifically stated otherwise in the text. Additionally, components and actions (operations) referred to as 'comprising (or having)' do not exclude the presence or addition of one or more other components and actions.

[0021] Unless otherwise defined, all terms used in this specification (including technical and scientific terms) may be used in a meaning that is commonly understood by those skilled in the art to which the present invention belongs.

[0022] Furthermore, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless otherwise defined.

[0023] Hereinafter, preferred embodiments of the present invention will be described with reference to the attached drawings.

[0024] FIG. 1a is an actual product image of a cleaning sheet according to a first embodiment of the present invention, FIG. 1b is a rear view image of FIG. 1a, FIG. 2 is a plan view of FIG. 1a, FIG. 3 is a cross-sectional view along line AA of FIG. 2, and FIG. 4a to 4d are comparative example diagrams before and after use.

[0025] Referring to these drawings, the cleaning sheet (100) according to the present embodiment has a simple structure and can be miniaturized, so it can be manufactured at a low cost, and due to its efficient structure, it can relatively increase the cleaning efficiency of removing contaminants from the surface to be cleaned.

[0026] The cleaning sheet (100) according to the present embodiment, which can provide such effects, includes a sheet body (110) and an embossed protrusion (120).

[0027] The sheet body (110) is made of an elastic material and pressurizes in contact with the surface to be cleaned to remove contaminants from the surface to be cleaned.

[0028] Such a sheet body (110) can be made of a conventional sponge material. For example, the sheet body (110) can be made using a material such as melamine resin foam.

[0029] If the sheet body (110) is made of sponge material or melamine resin foam, the efficiency of removing contaminants from the surface to be cleaned is increased. In addition, since it easily absorbs moisture, the wet surface to be cleaned can be easily wiped clean.

[0030] The embossed protrusions (120) are formed protruding from one surface of the sheet body (110) and serve to increase the contact area with the surface to be cleaned. As shown in the drawing, the embossed protrusions (120) are provided in multiple numbers.

[0031] In the present embodiment, a plurality of embossed protrusions (120) are formed on one side of the sheet body (110). The embossed protrusions (120) are provided at equal intervals. In addition, in the present embodiment, the protrusion height of the embossed protrusions (120) is the same.

[0032] These embossed protrusions (120) increase the contact area with the surface to be cleaned as described above. Therefore, when cleaning by placing the surface with the embossed protrusions (120) against the surface to be cleaned and applying contact pressure, contaminants on the surface to be cleaned can be removed relatively easily, and moisture can also be easily wiped away.

[0033] The other side of the seat body (110) without embossed protrusions (120) forms a flat surface, and cleaning is possible through this surface as well.

[0034] In the embodiment described above, as illustrated in the comparative examples in FIGS. 4a to 4d, not only can stains be easily removed, but the stains can also be easily washed away by water, making it easier to clean and reuse the product. For reference, in FIGS. 4a to 4d, the left side shows an image of a clean product before use, and the right side shows an image of the product with stains or dirt on it after use.

[0035] According to the present embodiment, which operates based on the structure described above, the structure is not only simple but can also be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0036] FIG. 5 is a plan view of a large-area disc sheet connected to a cleaning sheet according to a second embodiment of the present invention.

[0037] The cleaning sheet (100) introduced in the above-described embodiment is small in size. Therefore, it is good for use in confined spaces and also good for disposal.

[0038] However, in this embodiment, a large-area sheet (230) is applied because producing these cleaning sheets (100) individually can cause an increase in costs.

[0039] That is, the cleaning sheet (100) introduced in the above-described embodiment can be formed by separating it from a large-area disc sheet (230). At this time, a plurality of incision lines (231) for cutting the cleaning sheet (100) introduced in the above-described embodiment are formed in the large-area disc sheet (230). Therefore, a cleaning sheet (100) such as that shown in FIG. 1a and FIG. 1b can be easily obtained without scissors or a knife.

[0040] Even if this embodiment is applied, the structure is not only simple but can be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0041] FIG. 6 is a cross-sectional view of a cleaning sheet according to a third embodiment of the present invention, and FIG. 7 is an enlarged structural view of area B of FIG. 6.

[0042] Referring to these drawings, the cleaning sheet (300) according to the present embodiment also includes a sheet body (110) and an embossed protrusion (120), just like the first embodiment. The configuration, function, and role of these are the same as those of the previously described embodiment. Therefore, a redundant description is omitted.

[0043] Meanwhile, unlike the embodiments described above, the cleaning sheet (300) according to the present embodiment additionally has a functional nonwoven fabric layer (340).

[0044] The functional nonwoven fabric layer (340) can be laminated on the opposite side of the embossed protrusion (120) with respect to the sheet body (110).

[0045] The functional nonwoven fabric layer (340) can be adhesively bonded to the sheet body (110). At this time, the functional nonwoven fabric layer (340) is formed to be smaller than the thickness of the sheet body (110).

[0046] This functional nonwoven fabric layer (340) comprises a nonwoven sheet body (341) made of polypropylene (PP), a plurality of foreign matter collecting uneven parts (342) formed on the exposed surface of the nonwoven sheet body (341) for collecting foreign matter, a foreign matter collecting space (343) formed between the foreign matter collecting uneven parts (342) where the collected foreign matter is trapped, and a static electricity generating hair part (344, 345) that forms the end portion of the foreign matter collecting uneven parts (343) and maximizes the generation of static electricity.

[0047] In this structure, the length of the first static electricity generating hair portion (344) on one side is formed to be shorter than the length of the second static electricity generating hair portion (345) on the other side, based on one foreign matter collecting uneven portion (342). Accordingly, the discharge of foreign matter collected in the foreign matter collecting space (343) can be naturally prevented.

[0048] Even if this embodiment is applied, the structure is not only simple but can be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0049] FIG. 8 is a cross-sectional view of a cleaning sheet according to a fourth embodiment of the present invention.

[0050] Referring to this drawing, the cleaning sheet (400) according to the present embodiment is made of an elastic material and includes a sheet body (410) that is pressed in contact with a surface to be cleaned to remove contaminants on the surface to be cleaned, and a plurality of embossed protrusions (420) that are formed protruding from the sheet body (410) and increase the contact area with the surface to be cleaned.

[0051] In this embodiment, a plurality of embossed protrusions (420) are formed on both sides of the sheet body (410). Also, the arrangement positions of the embossed protrusions (420) formed on both sides of the sheet body (410) are different from each other.

[0052] In the case of this embodiment, although the size is small, there is an advantage in that both sides of the cleaning sheet (400) can be utilized equally.

[0053] Even if this embodiment is applied, the structure is not only simple but can be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0054] FIG. 9 is a cross-sectional view of a cleaning sheet according to the fifth embodiment of the present invention.

[0055] Referring to this drawing, the cleaning sheet (500) according to the present embodiment is also made of an elastic material, similar to the fourth embodiment, and includes first and second sheet bodies (510a, 510b) that are pressed in contact with the surface to be cleaned to remove contaminants on the surface to be cleaned, and a plurality of first and second embossed protrusions (520a, 520b) that are formed protrudingly on both sides of the first and second sheet bodies (510a, 510b) and increase the contact area with the surface to be cleaned.

[0056] Meanwhile, in the present embodiment, the colors of the first sheet body (510a) and the plurality of first embossed protrusions (520a) and the second sheet body (510b) and the plurality of second embossed protrusions (520b) are different from each other. Therefore, there is an advantage that identification during use can be facilitated.

[0057] Even if this embodiment is applied, the structure is not only simple but can be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0058] FIG. 10 is a cross-sectional view of a cleaning sheet according to the 6th embodiment of the present invention.

[0059] Referring to this drawing, the cleaning sheet (600) according to the present embodiment is also made of an elastic material, similar to the fourth embodiment, and includes a sheet body (610) that is pressed in contact with the surface to be cleaned to remove contaminants on the surface to be cleaned, and a plurality of embossed protrusions (620) that are formed protrudingly on both sides of the sheet body (610) and arranged differently from each other to increase the contact area with the surface to be cleaned.

[0060] Meanwhile, in this structure, a finger insertion part (650) for inserting a finger is formed in the seat body (610). At this time, the end of the finger insertion part (650) forms a closed structure.

[0061] As in this embodiment, when a finger insertion part (650) is formed in the sheet body (610), it is possible to use both sides of the sheet body (610) by inserting a finger into it.

[0062] In addition, if both sides of the sheet body (610) become very dirty after use, the finger insertion part (650) can be turned over so that the inner surface of the sheet body (610) comes out, and then the sheet body can be held and discarded, thereby preventing contaminants from spreading to and getting on the hands or other places, such as clothes, bags, or objects.

[0063] Even if this embodiment is applied, the structure is not only simple but can be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0064] FIG. 11 is a cross-sectional view of a cleaning sheet according to the seventh embodiment of the present invention.

[0065] Referring to this drawing, the cleaning sheet (700) according to the present embodiment is also made of an elastic material, similar to the first embodiment, and includes a sheet body (710) that is pressed in contact with a surface to be cleaned to remove contaminants on the surface to be cleaned, and a plurality of embossed protrusions (720) that are formed protruding from one surface of the sheet body (710) and increase the contact area with the surface to be cleaned.

[0066] In this structure, the embossed protrusions (720) are provided with different protrusion heights. That is, the embossed protrusions (720) are provided with a protrusion height that increases as they move from the center area to the side area. This cleaning sheet (700) can be particularly effective for use on surfaces that are not flat and are curved.

[0067] Even if this embodiment is applied, the structure is not only simple but can be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0068] FIG. 12 is a cross-sectional view of a cleaning sheet according to the eighth embodiment of the present invention.

[0069] Referring to this drawing, the cleaning sheet (800) according to the present embodiment is substantially the same as the cleaning sheet (700) of the seventh embodiment. That is, the embossed protrusions (820) provided on one side of the sheet body (810) are arranged so that their protrusion height increases as they go from the center area to the side area.

[0070] Meanwhile, in this structure, an additional dummy protrusion (821) is further formed protruding from each of the embossed protrusions (820). One dummy protrusion (821) is formed when the size of the embossed protrusion (820) is small, and two or more may be formed when it is large. These dummy protrusions (821) can contribute to increasing cleaning efficiency by increasing the contact area with the surface to be cleaned together with the embossed protrusion (820).

[0071] Even if this embodiment is applied, the structure is not only simple but can be miniaturized, allowing for low-cost manufacturing, and the cleaning efficiency for removing contaminants from the surface to be cleaned can be relatively higher due to the efficient structure.

[0072] As such, the present invention is not limited to the described embodiments, and it is obvious to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention. Accordingly, such modifications or variations should be deemed to fall within the scope of the claims of the present invention. Explanation of the symbols

[0073] 100: Cleaning Sheet 110: Seat Body 120 : Embossed protrusion

Claims

Claim 1 A sheet body made of an elastic material that contacts and presses against a surface to be cleaned to remove contaminants on the surface to be cleaned; a plurality of embossed protrusions formed protruding from at least one surface of the sheet body and increasing the contact area with the surface to be cleaned; and a functional nonwoven fabric layer further comprising a nonwoven fabric sheet body made of polypropylene (PP), wherein the functional nonwoven fabric layer is formed to be smaller than the thickness of the sheet body, and the functional nonwoven fabric layer comprises: a plurality of foreign matter collecting protrusions formed on the exposed surface of the nonwoven fabric sheet body for collecting foreign matter; and a foreign matter collecting space formed between the foreign matter collecting protrusions, wherein the collected foreign matter is trapped. A cleaning sheet characterized by comprising a portion of fine hairs for generating static electricity that forms the end portion of the uneven portion for collecting foreign matter and maximizes the generation of static electricity, wherein the length of the first fine hair portion for generating static electricity on one side relative to one uneven portion for collecting foreign matter is shorter than the length of the second fine hair portion for generating static electricity on the other side to prevent the discharge of foreign matter collected in the foreign matter collection space, wherein the embossed protrusions are arranged such that the protrusion height increases as it moves from the center area to the side area of ​​the sheet body, and a dummy protrusion is further formed protruding from each of the embossed protrusions to increase the contact area with the surface to be cleaned. Claim 2 A cleaning sheet according to claim 1, characterized in that the sheet body is formed by being separated from a large-area original sheet, and a plurality of incision lines for cutting the sheet body are formed in the large-area original sheet. Claim 3 delete Claim 4 delete Claim 5 delete

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