WO2009116773A2

WO2009116773A2 - Artificial nail with no interlayer boundary and manufacturing method for same

Info

Publication number: WO2009116773A2
Application number: PCT/KR2009/001314
Authority: WO
Inventors: 박우형
Original assignee: Park Woo-Hyung
Priority date: 2008-03-17
Filing date: 2009-03-17
Publication date: 2009-09-24
Also published as: WO2009116773A3; KR20090099254A

Abstract

The present invention relates to an artificial nail with no interlayer boundary and a manufacturing method for same. The method for manufacturing an artificial nail with no interlayer boundary according to one embodiment of the present invention includes: (a) a step of preparing an artificial nail-shaped main body formed of plastic; (b) a step of forming an additional layer on at least one of an upper portion and a lower portion of a front part of the artificial nail-shaped main body to acquire a multilayer artificial nail form; and (c) a step of applying at least one of heat, high frequency, ultrasonic wave and laser beam, or one of them and pressure, to the area of the additional layer to remove an interlayer boundary from the multilayer artificial nail form. The present invention also provides an artificial nail with no interlayer boundary. According to the present invention, an artificial nail with no or a negligible boundary between an additional layer and a main body can be obtained.

Description

Artificial nails without interlayer boundaries and manufacturing method

The present invention relates to an artificial nail having no interlayer boundary and a manufacturing method thereof.

More specifically, the present invention relates to a method for manufacturing an artificial nail having no interlayer boundary line between the artificial nail-shaped main body and an additional layer in a multilayer artificial nail, and an artificial nail thereof.

Artificial nails, commonly called nail tips, are made of synthetic resin materials such as nylon or acetate and are manufactured by injection molding. These artificial nails are attached to the user's fingernails to protect the nail bed while making the appearance of the wearer's hand look good, and to make the nails decorative with beautiful French nail design and attractive colors.

Conventional artificial nails are manufactured so that the entire nail is molded with the same material and provided with a rigidity for maintaining the shape of the nail, so that the rear portion of the artificial nail attached to the upper surface of the natural nail has a constant shape. Since it has a firmness for, it was difficult to attach to fit the curvature of the surface of the nail of various wearers.

In order to solve this problem, US 7,150,281 B2 and the like proposed a multi-layered artificial nail that can be applied to various nail sizes and shapes. US 7,150,281 B2 proposes a patent in which a rear portion of an artificial nail attached to a cuticle of a natural nail is formed of a material which is easily deformed. In other words, the front portion of the artificial nail formed of a polymer material as a single layer and the lower portion of the technology to combine the deformable layer through spray molding, double injection or manual (manual application) to form a material that is easily deformable Is proposing.

However, even if the bonding layer is easily changed to the polymer material of the artificial nail by spray molding, double injection, or by hand, a boundary line remains at the joining portion, and thus, the layers may be separated or have an aesthetic problem.

The present invention to solve the above problems, to provide an artificial nail in a multi-layer artificial nail including an additional layer of artificial nail with little or no boundary between the additional layer and the main body.

It is intended to remove the boundary with the artificial nail-shaped main body formed by forming the additional layer by double injection, liquid material coating, adhesion of the additional layer by an adhesive, and the like.

In addition, the artificial nail-shaped body to have a softer and more elastic than the additional layer to improve the fit on the natural nail.

In addition, it is intended to provide an artificial nail which is improved in wearing comfort by gradually thinning the rear portion of the artificial nail-shaped body toward the end.

The present invention is to solve the above problems, the method for manufacturing an artificial nail without an interlayer boundary according to an embodiment of the present invention for solving the first problem: (a) artificial nail-shaped body molded from plastic Preparing; (b) forming an additional layer on at least a portion of an upper portion or a lower portion of the front portion of the artificial nail-shaped body to form a multilayer artificial nail shape; And (c) applying a pressure to any one of heat, high frequency, ultrasonic waves, and lasers or any one of them to at least a portion where the additional layer is formed to remove the interlayer boundary line of the multilayer artificial nail shape.

In addition, in order to solve the first problem, one embodiment of the artificial nail without the interlayer boundary line of the present invention is an artificial nail formed of a multilayer structure including an artificial nail-shaped body and an additional layer molded of plastic The additional layer is formed on at least a portion of the upper part or the lower part of the front portion of the artificial nail-shaped main body, and the additional layer is formed by applying pressure with any one of heat, high frequency, ultrasonic wave, laser, or any of them to at least a portion where the additional layer is formed. And there is no interlayer boundary line of the artificial nail-shaped body.

According to one embodiment of the present invention, in the multi-layered artificial nail including the additional layer of the artificial nail, it is possible to manufacture and provide an artificial nail having little or no boundary between the additional layer and the main body.

In addition, even when the additional layer is formed by double injection, liquid material application, adhesive layer adhesion, etc., it is possible to manufacture and provide an artificial nail having little or no boundary with the artificial nail-shaped body.

In addition, the artificial nail-shaped body has a softer and more resilient than the additional layer, thereby making it possible to manufacture and provide artificial nails with improved fit on natural nails.

In addition, the rear portion of the artificial nail-shaped body is gradually thinner toward the end it is possible to manufacture and provide an improved artificial nails.

1 is a cross-sectional view showing the wearing state of the artificial nail without a layer boundary manufactured in accordance with an embodiment of the present invention,

2 and 3 is a cross-sectional shape of the interlayer borderless nail made according to one embodiment of the present invention,

4 is a flowchart illustrating a method of manufacturing an artificial nail having no interlayer boundary line according to an exemplary embodiment of the present invention.

One method of manufacturing an artificial nail without an interlayer boundary line of the present invention, in a preferred aspect, (a) preparing an artificial nail-shaped body molded from plastic; (b) forming an additional layer on at least a portion of an upper portion or a lower portion of the front portion of the artificial nail-shaped body to form a multilayer artificial nail shape; And (c) applying a pressure to any one of heat, high frequency, ultrasonic waves, and lasers or any one of them to at least a portion where the additional layer is formed to remove the interlayer boundary line of the multilayer artificial nail shape.

In addition, in a preferred embodiment, the method of forming the additional layer in the above-mentioned step (b) is characterized in that the method using any one of double injection molding, the application of the liquid material, the adhesion of the additional layer by the adhesive.

In addition, in one preferred aspect, the artificial nail-shaped body described above is made of a softer material than the additional layer formed in step (b) described above is characterized in that it is elastic.

Further, in one preferred aspect, the additional layer formed in step (b) described above is characterized by covering the front end face of the artificial nail-shaped body.

In a more preferred aspect, the rear portion of the artificial nail-shaped body is characterized in that it becomes thinner toward the end.

In another preferred embodiment, the artificial nail-shaped body prepared in step (a) described above is injection molded, wherein the plastic material of the artificial nail-shaped body is any one of SBS resin, EVA resin, ABS resin, and polycarbonate resin. Or a mixture of two or more of them.

In another aspect of the present invention, the artificial nail having no interlayer boundary line is, in one preferred embodiment, an artificial nail comprising a synthetic nail-shaped main body molded in plastic and an additional layer, wherein the additional layer is an artificial nail-shaped main body. The interlayer boundary line between the additional layer and the artificial nail-shaped main body is formed by applying pressure with any one of heat, high frequency, ultrasonic wave, laser, or any of them to at least a portion of the upper portion or the lower portion of the front portion of the front portion. It is characterized by the absence.

In a further preferred aspect, the additional layer is formed on at least a portion of the upper or lower portion of the front of the artificial nail-shaped body by any one of double injection, application of a liquid material, adhesion of the additional layer by an adhesive.

Moreover, in one preferred aspect, the artificial nail-shaped body is characterized in that the elastic material made of a softer than the additional layer.

In a further preferred aspect, the additional layer is characterized by covering the front end face of the artificial nail-shaped body.

In another preferred aspect, the artificial nail-shaped body is injection molded, the plastic material of the artificial nail-shaped body is characterized in that any one or a mixture of two or more of SBS resin, EVA resin, ABS resin, polycarbonate resin. .

Hereinafter, embodiments of the present invention for achieving the above object are described with reference to the accompanying drawings. In describing the embodiments, the same names and symbols are used for the same components, and thus redundant descriptions thereof will be omitted below.

First, a method of manufacturing an artificial nail having no interlayer boundary line of the present invention will be described with reference to the embodiment and the drawings.

1 is a cross-sectional view showing a wearing state of an interlayer borderless nail manufactured according to one embodiment of the present invention, Figures 2 and 3 are artificial nails without an interlayer borderline prepared in accordance with one embodiment of the present invention Figure 4 is a cross-sectional view of Figure 4 is a flow chart showing a method for manufacturing artificial nails without interlayer boundaries in accordance with an embodiment of the present invention.

As shown in FIG. 4, the method of manufacturing an artificial nail having no interlayer boundary line according to an embodiment of the present invention includes the following steps (a) to (c):

(A) in step (S100) to prepare an artificial nail-shaped body molded of plastic. Preferably, an artificial nail-shaped body injection molded from plastic is prepared. In general, in the multi-layered artificial nail 1, the

front portions

10 and 100 are harder than the elastic

rear portions

20 and 200 corresponding to the cuticle 3 side of the natural nail 2, thereby maintaining the nail shape. Mainly by forming a multi-layer structure in the front portion (10, 100) to be hard. As shown in FIGS. 2 and 3, the lower portion 14 or the upper portion 112 of the

additional layer

12, 114 and the artificial nail shape 1 at the

front portions

10, 100 of the artificial nail shape 1. The

rear portions

20 and 200 form an artificial nail-shaped main body. The plastic used for molding, preferably injection molding, may be any one of ABS resin, SBS resin, EVA resin, polycarbonate, or a mixture of two or more thereof, or a polymer material including them. However, it is obvious that known plastic materials that can be used for artificial nails, such as vinyl acetate, polyvinyl chloride (PVC), and the like, which are not mentioned, can be used.

(b) in step S200, the

additional layers

12 and 114 are disposed on at least a portion of the front portion of the artificial nail-shaped main body, that is, the upper or lower portion of the

front layer

14 and 112 of the artificial nail-shaped body in FIGS. 2 and 3. To form a multilayer artificial nail shape (1). As shown in Figures 2 and 3, the upper or lower portion of the front layer (14, 112) of the artificial nail-shaped body on which the additional layer (12, 114) is formed may be formed stepped, although not shown, the front portion An additional layer, which becomes thinner toward the rear side, may be formed or may be formed obliquely to be combined. In the present application, the

front portions

10 and 100 of the artificial nail 1 refers to the front portion that is not attached to the surface of the natural nail 2 when attached to the natural nail 2, the rear portion of the artificial nail 1 (20, 200) refers to the part attached to the surface of the natural nail (2). However, in the present application, the criteria of the

front parts

10 and 100 and the

rear parts

20 and 200 of the artificial nail 1 are not strictly determined, and the

front parts

10 and 100 are based on the center of the artificial nail 1. ) And the

rear portions

20 and 200 may be divided, or may be divided based on the portion corresponding to the front end of the natural nail 2 when worn on the natural nail 2. In the present application, as illustrated in FIGS. 2 and 3,

additional layers

12 and 114 may be formed or combined on all of the upper or lower portions of the

front layers

14 and 112 of the artificial nail-shaped body. Alternatively, additional layers may be formed only on a portion of the top or bottom of the

front layers

14, 112.

In step (S300), the interlayer boundary line of the multi-layer artificial nail shape 1 is applied by applying pressure to at least one of heat, high frequency, ultrasonic waves, and laser or any one of them to a portion where the

additional layers

12 and 114 are formed. Do not distinguish this. The absence of interlayer boundaries in this application means that the interlayer boundaries are hardly distinguishable. The material of the

additional layers

12 and 114 and the materials of the

front layers

14 and 112 of the artificial nail-shaped body are mixed by thermal welding, high frequency welding, ultrasonic bonding, laser welding, thermocompression, high frequency pressing or ultrasonic pressing. So that the interlayer boundaries are not distinguished. As shown in Figures 2 and 3, the portions corresponding to the reference a, b indicates that the material is mixed so that the interlayer boundaries are not distinguished. The heat applied in the case of thermal fusion should take into account the melting temperature of the plastic of the artificial nail 1. Generally, the plastic is melted or the viscosity is lowered, so it is added to the range of about 150-300 ° C., or more specifically, the polystyrene resin is about 180 to 240 ° C., the ABS resin is about 180 to 260 ° C. SBS resin is about 150 ~ 260 ℃ EVA resin is melted at about 150 ~ 220 ℃ or the viscosity is almost melted, so apply heat of the corresponding range.

Also preferably, according to another embodiment of the method of manufacturing an artificial nail having no interlayer boundary, in the step (b) (S200), the

additional layers

12 and 114 may be double injection molding, coating of a liquid material, or adhesive. It can form using the method in any one of the additional layer adhesion | attachment by. The application of the liquid substance may be applied by brush or spray method.

Also preferably, according to another embodiment according to the method of manufacturing an artificial nail having no boundary between layers, the artificial nail-shaped body is softer than the

additional layers

12 and 114 formed in step (b) (S200). It is composed of elastic. Since the artificial nail-shaped main body is made of a softer material than the

additional layers

12 and 114, the

rear portions

20 and 200 of the manufactured artificial nail 1 are elastic and easily deformed when worn on the surface of the natural nail 2. It can be attached to fit the curved surface of the natural nail (2). In US 7,150,281, rubber, silicone, etc. are mentioned as the material of the layer which is easily deformable, but since such material is too easily deformed to maintain the shape of the artificial fingernail, a material having a hardness higher than that of rubber or silicone is used. will be. Preferably SBS resin, EVA resin, ABS resin or polycarbonate resin and the like can be used.

According to another preferred embodiment, the additional layers (12, 114) formed in step (b) (S200), although not shown, may cover the front end face of the artificial nail-shaped body. When covering the front shear surface of the artificial nail-shaped body, for example, when the additional layer is a lower layer, the additional layer will be in the 'L' shape.

According to another preferred embodiment of the present invention, the artificial nail manufacturing method having no interlayer boundary line, as shown in Figures 2 and 3, in the above embodiments, the

rear portion

20, 200 of the artificial nail-shaped body ) Can be made thinner toward the end. The thinner the end of the artificial nail 1 toward the

rear portion

20, 200, the easier it is to be worn on the natural nail 2.

Furthermore, more preferably, according to one embodiment of the method of manufacturing an artificial nail having no interlayer boundary, in the above-mentioned embodiments, the artificial nail-shaped body prepared in step (a) (S100) is injection molded, The plastic material of the artificial nail-shaped body may be SBS (Styrene Butadiene Styrene) block or EVA (Ethylene Vinyl Acetate) resin.

Next, with reference to the embodiment and the drawings with respect to the artificial nail having no interlayer boundary line of the present invention.

1 is a cross-sectional view showing the wearing state of the artificial nail according to an embodiment of the present invention, Figures 2 and 3 is a cross-sectional shape of the artificial nail without an interlayer boundary line according to an embodiment of the present invention.

As shown in Figs. 2 and 3, according to one embodiment of the present invention, an artificial nail having no interlayer boundary comprises a multi-layered artificial nail comprising an artificial nail-shaped body and

additional layers

12 and 114 molded from plastic. The nail 1, and the

additional layers

12, 114 are formed on at least a portion of the front part of the artificial nail-shaped body, that is, the top or bottom of the front part layers 14, 112. 2 and 3 show that

additional layers

12 and 114 are formed on all of the upper or lower portions of the

front layers

14 and 112 of the artificial nail-shaped body.

The interlayer boundary line between the

additional layers

12 and 114 and the artificial nail-shaped main body is distinguished by applying pressure to at least a portion of the

additional layers

12 and 114 or any one of them, heat, radio frequency, ultrasonic waves, or laser. It doesn't work. The material of the

additional layers

12 and 114 and the materials of the

front layers

14 and 112 of the artificial nail-shaped body are mixed by thermal welding, high frequency welding, ultrasonic bonding, laser welding, thermocompression, high frequency pressing or ultrasonic pressing. The part which corresponds to the part a, b shown in FIGS. This part indicates that the interlayer boundaries are not distinguished.

Preferably, according to another embodiment of an interlayer nail having no interlayer boundary, in the above embodiment, the

additional layers

12, 114 are artificial nails by any one of double injection, application of a liquid material, and adhesion of the additional layer by an adhesive. It is formed in at least part of the front part of the shape body, ie the top or bottom of the front part layers 14, 112.

According to another preferred embodiment, the artificial nail-shaped body is made of a softer material than the

additional layers

12 and 114 to be elastic. Accordingly, since the

rear portions

20 and 200 of the artificial nail 1 are elastic, the artificial nail 1 can be easily worn on the natural nail 2.

In addition, according to a preferred embodiment of the artificial nail having no interlayer boundaries, the

additional layers

12 and 114 are the front portions of the artificial nail-shaped body, that is, the shear surfaces of the

front layers

14 and 112 of the artificial nail-shaped body. To cover.

Also preferably, according to another embodiment of the artificial nail having no interlayer boundary, in the above embodiments, the

rear portions

20, 200 of the artificial nail-shaped body are Thinner toward the end; Thus, the artificial nail 1 is easily worn on the natural nail 2.

Further preferably, according to another embodiment of the artificial nail having no interlayer boundary, in the above embodiments, the artificial nail-shaped body is injection molded, and the plastic material of the artificial nail-shaped body is SBS block or EVA resin. Can be.

In the above, the present invention has been described in detail with reference to the accompanying drawings and embodiments, the accompanying drawings and the above embodiments are described by way of example to help those of ordinary skill in the art to understand the present invention. As such, the scope of the invention should be construed according to the invention set forth in the appended claims, which includes various modifications, alternatives, and equivalents by one of ordinary skill in the art.

The present invention relates to an artificial nail having no interlayer boundary and a method of manufacturing the same, and by removing the interlayer boundary from the artificial nail of the multi-layered structure, it will be more useful for the technical development of the artificial nail of the multi-layered structure.

Claims

(a) preparing an artificial nail-shaped body molded from plastic;

(b) forming an additional layer on at least a portion of an upper portion or a lower portion of the front portion of the artificial nail-shaped body to form a multilayer artificial nail shape; And

(c) applying a pressure to at least a portion of the additional layer formed with heat, high frequency, ultrasonic waves, or any one of them to remove the interlayer boundary of the shape of a multi-layered artificial nail; Artificial nail manufacturing method.
The method of claim 1,

The method of forming the additional layer in the step (b) is a method of manufacturing an artificial nail having no boundary between layers, characterized in that the method using any one of double injection molding, coating of the liquid material, adhesion of the additional layer by the adhesive.
The method of claim 1,

The artificial nail-shaped main body is made of a softer material than the additional layer formed in the step (b) artificial nails without interlayer boundaries characterized in that the elastic.
The method of claim 1,

The additional layer formed in the step (b) is an artificial nail manufacturing method without an interlayer borderline, characterized in that covering the front end surface of the artificial nail-shaped body.
The method according to any one of claims 1 to 4,

A method of manufacturing an artificial nail having no boundary between layers, characterized in that the rear portion of the artificial nail-shaped body becomes thinner toward the end.
The method according to any one of claims 1 to 4,

The artificial nail-shaped body prepared in step (a) is injection molded, wherein the plastic material of the artificial nail-shaped body is any one of SBS resin, EVA resin, ABS resin, polycarbonate resin or a mixture of two or more thereof. Method of manufacturing an artificial nail without an interlayer boundary line.
In the artificial nail formed of a multilayer structure including an artificial nail-shaped body and an additional layer molded of plastic,

The additional layer is formed on at least a portion of the upper portion or the lower portion of the front portion of the artificial nail-shaped body,

No interlayer boundary line, characterized in that there is no interlayer boundary line between the additional layer and the artificial nail-shaped main body by applying pressure with at least one of heat, high frequency, ultrasonic wave, laser or any one of them to the portion where the additional layer is formed. Fingernail.
The method of claim 7, wherein

The additional layer is formed between at least a portion of the upper or lower portion of the front portion of the artificial nail-shaped body by any one of double injection, application of a liquid material, adhesion of the additional layer by an adhesive .
The method of claim 7, wherein

The artificial nail-shaped main body has no interlayer boundary nail, characterized in that it is made of a softer material than the additional layer.
The method of claim 7, wherein

The additional layer is a method of manufacturing an artificial nail without an interlayer boundary, characterized in that covering the front end surface of the artificial nail-shaped body.
The method according to any one of claims 7 to 10,

An artificial nail having no boundary between layers, characterized in that the rear portion of the artificial nail-shaped body becomes thinner toward the end.
The method according to any one of claims 7 to 10,

The artificial nail-shaped main body is injection molded, and the plastic material of the artificial nail-shaped main body has no interlayer boundary line, characterized in that any one or a mixture of two or more of SBS resin, EVA resin, ABS resin, and polycarbonate resin. Fingernail.