Eyelash piece and eyelash cluster

Abstract

Disclosed in the present invention are an eyelash piece and an eyelash cluster. The eyelash piece comprises an eyelash piece body, which comprises a middle section, the middle section tapering towards two tail ends. The eyelash cluster comprises a plurality of eyelash piece bodies as described above. First tail ends of the plurality of eyelash piece bodies are connected together to form a root part. The root part comprises an adhesive part, the adhesive part being used for applying to human eyelashes and tapering along its axis towards tail ends. The present invention has a reasonable structure and, after being grafted, has a smoother surface and is less likely to fall off.

Description

A type of eyelash strand and eyelash cluster Technical Field

[0001] This invention relates to the field of cosmetics technology, specifically to an eyelash strand and eyelash cluster. Background Technology

[0002] Long, curved, dark, and vibrant eyelashes play a crucial role in the beauty of the eyes and even the overall appearance. Eyelashes are arranged in a semi-circular shape, enhancing the contours of the eyes and adding to their expressiveness. False eyelashes are a type of eye cosmetic, typically used to increase the density or length of natural eyelashes for a decorative effect.

[0003] Attaching false eyelashes or lash clusters to human eyelashes to lengthen and thicken them is a common makeup technique. In existing technology, false eyelashes or lash clusters taper from root to tip, just as human eyelashes taper from root to tip. When false eyelashes or lash clusters are attached to the tip of human eyelashes, the abrupt change in cross-section creates a step-like structure, as shown in Figure 1. During daily washing or cleaning, the false eyelashes or lash clusters often come off due to scratching against this step-like structure, thus affecting the decorative effect. Summary of the Invention

[0004] This invention discloses an eyelash thread and eyelash cluster, which solves the technical problem of easy shedding of grafted false eyelash threads or eyelash clusters in the prior art. It has the technical advantages of reasonable structure, smoother surface after grafting, and less susceptibility to shedding. The technical solution adopted is as follows:

[0005] An eyelash filament includes an eyelash filament body, the eyelash filament body including a middle section, and the middle section tapering towards both ends.

[0006] Based on the above technical solution, the first end of the eyelash body is used to adhere to the end of a human eyelash, and the first end of the eyelash body has multiple first tapered forks for firm adhesion. The first end of the eyelash body has the same or different sharpness as the second end in the axial direction; preferably, the first end of the eyelash body is blunter than the second end in the axial direction.

[0007] Based on the above technical solution, at least one of the outer wall surfaces of the first conical fork portion is provided with a first groove.

[0008] Based on the above technical solution, the second end of the eyelash body forms multiple second conical forks to enhance the sense of density.

[0009] Based on the above technical solution, the cross-section of the eyelash body is flat, and it is formed by integrally cutting flat sheet materials.

[0010] An eyelash cluster includes a plurality of eyelash filament bodies as described above, the first ends of the plurality of eyelash filament bodies being connected integrally to form a root, the root including an adhesive portion for bonding to human eyelashes and tapering towards the tip along its axis. Preferably, the first ends of the plurality of eyelash filament bodies can be bonded integrally, heat-fused integrally, or integrally formed during processing.

[0011] Based on the above technical solution, there are two or more adhesive parts, and at least one of the adhesive parts has a second groove on its outer wall surface, the second groove being a sink groove or a through adhesive part.

[0012] Based on the above technical solution, the adhesive part gradually tapers towards the end along its axis, and the projection of the adhesive part on the horizontal plane is larger at the top and smaller at the bottom, forming a triangular, trapezoidal, arc-shaped, semi-elliptical, or irregular shape.

[0013] Based on the above technical solution, the cross-section of the eyelash body and root is flat, and the eyelash body and root are integrally cut from a flat sheet material. Preferably, laser cutting is used.

[0014] Based on the above technical solution, the root extends outward to form a connecting portion, which connects at least two eyelash strands. Preferably, the connecting portion is pagoda-shaped to expand the outer edge of the root to connect more eyelash strands and enhance the connection strength of the eyelash strands.

[0015] Based on the above technical solution, several of the described eyelash bodies are configured to have different orientations, varying lengths, and / or inconsistent curvatures. Beneficial effects

[0016] The eyelash extensions in this invention feature a rational design. The eyelash extension body includes a middle section that tapers towards both ends. This ensures a smooth transition between the first end of the eyelash extension body and the end of the natural eyelash after grafting, avoiding abrupt changes in cross-section and the formation of a stepped structure. This significantly improves the user experience and enhances the durability of the eyelash extensions. Furthermore, compared to existing false eyelashes, the eyelash extension body in this application, with its middle section tapering towards both ends, is lighter and more conducive to maintaining a good curl after grafting. It also provides favorable conditions for bonding to the more distal ends of the natural eyelash.

[0017] In this invention, the first end of the eyelash filament body is used for bonding with human eyelashes and has multiple first conical forks to facilitate the application of adhesive and increase the bonding area with the eyelash tip, making the bonding more secure. Furthermore, the first conical forks also have first grooves to accommodate the bonding adhesive, further improving the bonding strength and thus enhancing the durability of the false eyelashes. In addition, the second end of the eyelash filament body has multiple second conical forks, which, after bonding, make the false eyelashes appear thicker and fuller.

[0018] The eyelash extensions in this invention are rationally designed, comprising multiple eyelash strands. The first ends of these strands are connected to form a root. The root includes an adhesive portion that tapers towards the tip, ensuring a smooth transition between the adhesive portion and the natural eyelashes. This avoids abrupt changes in cross-section and the formation of a stepped structure, significantly improving the user experience and enhancing the durability of the extensions. Furthermore, the adhesive portion features a second groove to accommodate the adhesive, further strengthening the bond and improving the longevity of the false eyelashes.

[0019] In this invention, the cross-section of the eyelash filaments and the root of the eyelash cluster is flat and can be integrally cut from a flat sheet material, resulting in a simple processing technology, high processing efficiency, and reduced processing costs. Furthermore, the root extends outward to form a connecting portion, which connects at least two eyelash filaments. The connecting portion can be pagoda-shaped to expand the outer edge of the root, allowing for the connection of more eyelash filaments and simultaneously strengthening the bond between the eyelash filaments and the root. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one embodiment of the present invention. For those skilled in the art, other embodiments can be derived from the provided drawings without creative effort.

[0021] Figure 1: Schematic diagram of the structure after eyelash grafting in the prior art;

[0022] Figure 2: Schematic diagram of the three-dimensional structure of the eyelash body in Example 1;

[0023] Figure 3: Schematic diagram of the three-dimensional structure of the eyelash body in Example 1 (II);

[0024] Figure 4: A three-dimensional structural diagram of the eyelash fiber grafted onto the end of a human eyelash in Example 1;

[0025] Figure 5: Schematic diagram of the three-dimensional structure of the eyelash cluster in Example 1;

[0026] Figure 6: Schematic diagram of the three-dimensional structure of the eyelash body in Example 2;

[0027] Figure 7: Schematic diagram of the three-dimensional structure of the eyelash body in Example 2;

[0028] Figure 8: Schematic diagram of the three-dimensional structure of the eyelash cluster in Example 2;

[0029] Figure 9: Schematic diagram of the three-dimensional structure of the eyelash cluster in Example 2;

[0030] Figure 10: Schematic diagram of the eyelash body structure from top view in Example 3;

[0031] Figure 11: Schematic diagram of the top view structure of the eyelash body in Example 3;

[0032] Figure 12: A schematic diagram of the structure of the eyelash cluster from top view in Example 3;

[0033] Figure 13: Schematic diagram of the eyelash cluster structure from top view in Example 3 (II);

[0034] Figure 14: Schematic diagram of the structure of the eyelash cluster in Example 3 (top view);

[0035] Figure 15: Schematic diagram of the structure of the eyelash cluster in the side view of Figure 14;

[0036] Figure 16: Schematic diagram of the structure of the eyelash cluster in Example 3 (side view);

[0037] Figure 17: A schematic diagram of the structure of the eyelash cluster from top view in Example 6;

[0038] Figure 18: Schematic diagram of the BB-direction cross-sectional structure in Figure 17;

[0039] Figure 19: Schematic diagram of the BB-direction cross-sectional structure in Figure 17 (II); Embodiments of the present invention

[0040] The following description and accompanying drawings fully illustrate specific embodiments described herein to enable those skilled in the art to practice them. Some embodiments may include or substitute parts and features of other embodiments. The scope of the embodiments herein encompasses the entire scope of the claims and all available equivalents thereof. Throughout this document, the terms “first,” “second,” etc., are used only to distinguish one element from another without requiring or implying any actual relationship or order between the elements. Indeed, a first element can also be referred to as a second element, and vice versa. Furthermore, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a structure, apparatus, or device. Without further limitation, an element defined by the phrase “comprising one…” does not exclude the presence of other identical elements in the structure, apparatus, or device that includes said element. The various embodiments described herein are presented in a progressive manner, with each embodiment focusing on its differences from other embodiments; similar or identical parts between embodiments can be referred to interchangeably.

[0041] The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer" used in this document to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are used solely for the convenience of describing the document and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. In the description herein, unless otherwise specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to mechanical or electrical connections, or internal connections between two elements; they can be direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0042] In this document, unless otherwise stated, the term "multiple" means two or more.

[0043] In this article, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0044] In this article, the term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0045] Example 1

[0046] As shown in Figures 2-4, an eyelash filament includes an eyelash filament body 1, which includes a middle section that tapers towards both ends, and the eyelash filament body 1 extends along an arc.

[0047] The first end of the eyelash body 1 is used to adhere to the end of the human eyelash 100. The eyelash body 1 is grafted onto the end of the human eyelash 100 through adhesion. The adhesive materials and processes are existing technologies and will not be described in detail here. As shown in Figure 3, the first end of the eyelash body 1 is pointed, resulting in a smooth cross-section change when grafted onto the human eyelash 100, avoiding a step-like structure and improving durability. Furthermore, the pointed ends of the eyelash body 1 make the overall structure lighter and better maintain the overall curl of the grafted eyelashes.

[0048] As shown in Figure 2, the first end of the eyelash body 1 is approximately as sharp as the second end on the axial direction, and the end faces and sides of the first and second ends of the eyelash body 1 are smoothly transitioned, which facilitates processing and shaping, while avoiding excessive sharpness that could scratch the skin.

[0049] As shown in Figure 3, the first end of the eyelash body 1 is more blunt than the second end in the axial direction. This makes the second end of the eyelash body lighter than the first end, maintaining good curvature, and the first end has a relatively large surface area, which also helps to increase the firmness of the first end's adhesion to the human eyelash.

[0050] In this embodiment, the cross-section of the eyelash body 1 is approximately circular, and the eyelash body 1 can be made of synthetic fiber. As an optional material, the eyelash body 1 in this embodiment is made of synthetic fiber.

[0051] As shown in Figure 5, an eyelash cluster includes multiple eyelash filament bodies 1 as described above. In this embodiment, the number of eyelash filament bodies is 2 to 5. The first ends of the multiple eyelash filament bodies 1 are connected as one unit to form a root 4, which is used to adhere to human eyelashes. The eyelash filament bodies 1 extend along an arc, and the multiple eyelash filament bodies 1 are of different lengths and can extend along the arc in different directions, thus having different degrees of curvature. In the eyelash cluster shown in Figure 5, the cross-section of the eyelash filament bodies 1 in the eyelash cluster is approximately circular.

[0052] As shown in Figure 5, the end of the root 4 includes an adhesive portion 41, which is used to adhere to the human eyelash and tapers towards the end along its axis. In this embodiment, the first ends of multiple eyelash bodies 1 are integrally formed during processing to form the root 41. In other embodiments of the present invention, the first ends of multiple eyelash bodies 1 can be bonded together or heat-fused together.

[0053] In this embodiment, the projection of the adhesive portion 41 on the horizontal plane is triangular or trapezoidal, with the top being larger than the bottom.

[0054] Example 2

[0055] The difference between Example 2 and Example 1 is as follows:

[0056] As shown in Figure 7, the first end of the eyelash body 1 forms two first conical forks 2. Both first conical forks 2 can be bonded to the end of the human eyelash 100, which increases the bonding area and makes the bonding more reliable.

[0057] One of the first conical forks 2 extends from the eyelash body 1, and the other first conical fork 2 is integrally formed at the root of the first end of the eyelash body 1.

[0058] In addition, the outer wall surface of one of the conical bifurcations or the two first conical bifurcations is provided with a first groove (not shown). During grafting, the adhesive can fill the groove, which helps to improve the bonding reliability. The groove can be a sink groove or a through groove.

[0059] In other embodiments of the present invention, as shown in Figures 6 and 7, the second end of the eyelash body 1 forms two second conical forks 3, which appear denser after grafting and improve the decorative effect.

[0060] One of the second conical forks 3 extends from the eyelash body 1, and the root of the other second conical fork 3 is integrally formed on the second end of the eyelash body 1. In other embodiments of the present invention, the cross-section of the eyelash body 1 is flat, and the false eyelash body 1 is integrally cut from a flat sheet material.

[0061] As shown in Figure 8, the root portion 4 of the eyelash cluster includes two adhesive portions 41, which facilitate the application of adhesive and increase the bonding area with the human eyelashes, resulting in a more secure bond. Simultaneously, the outer wall surfaces of the two adhesive portions 41 are provided with second grooves 411. These second grooves 411 are recessed grooves and there are two of them. The two second grooves 411 are respectively located on opposite wall surfaces of the adhesive portions 3. During grafting, adhesive can fill the second grooves 411, preventing weak bonding due to insufficient adhesive. In other embodiments of the present invention, the second grooves 411 can penetrate the adhesive portions 41.

[0062] In this embodiment, the projection of the adhesive portion 41 on the horizontal plane is triangular or trapezoidal, with the top being larger than the bottom.

[0063] In other embodiments of the present invention, as shown in FIG9, in the eyelash cluster, each eyelash body 1 has two second conical forks 3 at the end away from the root 4, as shown in FIG9, to increase density and improve the user experience.

[0064] Example 3

[0065] The difference between Example 3 and Example 1 is as follows:

[0066] As shown in Figures 10 and 11, the cross-section of the eyelash body 1 is flat, and the false eyelash body 1 is integrally cut from a flat sheet material.

[0067] As shown in Figure 11, the first end of the eyelash body 1 has two first conical forks 2, and each of the two first conical forks 2 has a first groove 21, so that it is convenient to dip in enough adhesive during grafting, which helps to improve the adhesion. The second end of the eyelash body 1 has two second conical forks 3, which helps to improve the density after grafting without taking up too much of the human eyelash adhesion position.

[0068] In this embodiment, the flat sheet material is made of plastic with a thickness of 0.02~0.2mm, such as polyethylene, nylon, polyvinyl fluoride, polypropylene, etc., which is inexpensive and readily available. Several eyelash-like body parts 1 are formed by laser cutting on this flat sheet material. Laser cutting is an existing technology and will not be described in detail here. In this embodiment, an ultraviolet laser cutting machine or a green laser cutting machine can be used to cut the flat sheet material. When using an ultraviolet laser cutting machine, its rated power is 6~12W, the laser width is 10~20µm, the processing accuracy is high, and it is suitable for cutting and forming with high dimensional accuracy. In addition, the cut edges are smooth, eliminating the need for subsequent grinding and finishing processes, which helps improve product quality.

[0069] In the eyelash cluster, as shown in Figures 12-15, the cross-sections of several eyelash filaments 1 and root 4 are flat, and the eyelash filaments 1 and root 4 are integrally cut on a flat sheet material. The cutting method and materials are the same as those used for the eyelash filaments.

[0070] As shown in Figures 12-16, the adhesive part 4 is sheet-like, and its projection on the horizontal plane is larger at the top and smaller at the bottom, and it has a triangular, trapezoidal, arc-shaped, semi-elliptical or irregular shape.

[0071] This allows for a larger bonding area between the adhesive portion 41 and the eyelash, ensuring a strong bond during the application of the adhesive and increasing the amount of adhesive adhered, preventing detachment due to poor adhesion. Furthermore, the adhesive portion is sheet-like and relatively thin, allowing it to adhere tightly to the end of the eyelash under the surface tension of the adhesive after being applied, facilitating the application process and ensuring a strong bond.

[0072] After grafting, the adhesive part 41 wraps around the end of the eyelash, making the eyelash and the root of the eyelash body 1 transition relatively smoothly. This effectively avoids the formation of a large step at the grafting adhesive point, which can easily snag on the step and cause the eyelash to fall off when cleaning. The design is ingenious.

[0073] Furthermore, the root portion 4 extends outward to form a connecting portion 5, which is integrally cut with the root portion 4 and connects at least two eyelash bodies 1. The connecting portion 5 extends upward in a "pagoda" shape to expand the outer edge of the root portion 5 to connect more eyelash bodies 1, while also enhancing the connection strength of the eyelash bodies 1.

[0074] Example 4

[0075] The difference between Example 4 and Example 1 is as follows:

[0076] In the eyelash cluster, as shown in Figure 17, multiple eyelash filament bodies 1 are arranged side by side, with adjacent eyelash filament bodies 1 laterally connected. When the cross-section of the eyelash filament body 1 is approximately circular, the cross-section of the eyelash cluster in this embodiment is shown in Figures 18 and 18. In other embodiments of the present invention, the cross-section of the eyelash cluster is flat and is integrally cut from a flat sheet material.

[0077] The present invention has been described above by way of example, but the present invention is not limited to the specific embodiments described above. Any modifications or variations made based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

A type of eyelash hair, characterized in that, It includes an eyelash body (1), which includes a middle section and tapers towards both ends. The eyelash strand according to claim 1 is characterized in that, The first end of the eyelash body (1) is used to bond with the end of a human eyelash (100), and the first end of the eyelash body (1) has a plurality of first conical forks (2) for firm bonding. The eyelash strand according to claim 2 is characterized in that, At least one of the first conical forked portions (2) has a first groove (21) on its outer wall surface. The eyelash strand according to claim 1 is characterized in that, The second end of the eyelash body (1) forms multiple second conical forks (3) to enhance the thickness. A type of eyelash cluster, characterized in that, It includes multiple eyelash bodies (1) as described in any one of claims 1 to 4, the first ends of the multiple eyelash bodies (1) are connected together to form a root (4), the root (4) includes an adhesive portion (41), the adhesive portion (41) is used to adhere to human eyelashes and tapers towards the end along its axis. The eyelash cluster according to claim 5 is characterized in that, There are two or more adhesive portions (41), and at least one adhesive portion (41) has a second groove (411) on its outer wall surface. The second groove (411) is a sink or a through adhesive portion (41). The eyelash cluster according to claim 5 or 6 is characterized in that, The adhesive part (41) is projected onto the horizontal plane in a triangular, trapezoidal, arc-shaped, semi-elliptical, or irregular shape, with the top being larger than the bottom. The eyelash cluster according to claim 7 is characterized in that, The cross-section of the eyelash body (1) and the root (4) is flat, and the eyelash body (1) and the root (4) are integrally cut from the flat sheet material. The eyelash cluster according to claim 8 is characterized in that, The root (4) extends outward to form a connecting part (5), which connects at least two eyelash bodies (1). The eyelash cluster according to claim 8 is characterized in that, The eyelash bodies (1) are configured to have different orientations, lengths and / or curvatures.

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