JPS6255403B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a cosmetic puff, and particularly to a cosmetic puff as an applicator for applying powdered cosmetics.

[Prior art]

BACKGROUND ART Conventionally, as an applicator for powdered cosmetics, a woven cloth having long piles, a sheet made of a foamed material, and the like have been frequently used as an application base material. A core body is inserted inside these coated base materials. This core is used to enhance the elasticity of the applicator when it is used and to prevent the applicator from becoming sagging.The material used for this core is synthetic resin foam, rubber foam, non-woven fabric, etc. A block-shaped porous material is used.

These conventional puffs are usually manufactured as follows. That is, first, the application base material, napped woven fabric or flocked sheet, is punched out into the desired shape, and the two punched sheets are cut out so that the napped or flocked sides, which will be the application surfaces, are on the inside (i.e., the middle surface is ), and the peripheral edges are sewn using a sewing machine to form a bag shape. At this time, a part of the peripheral edge is left unsewn to serve as an opening for turning over the coated base material. The core is placed on the coated base material, and the coated base material sewn into a bag shape is passed through the opening together with the core and turned over to expose the coated surface. Alternatively, as described in Japanese Patent Publication No. 51-42533 as a conventional example, after the coated base material is turned over, the core body is inserted into the inside of the bag-shaped coated base material from the opening of the coated base material. . Then, finish by sewing the unsewn parts (mouth closing process).

Because it is manufactured in this way, in conventional puffs of this type, there is no joint between the coating base material and the core, the core is not fixed to the coating base material, and the coating base material is not fixed to the coating base material. It is simply wrapped in wood.

A problem with such puffs is that during use, the core inside the puff may move and become biased to one side of the puff. If the core is uneven, the puff may feel uneven when applying the cosmetic, resulting in a poor usability. In particular, after the puff has been washed, the center core becomes noticeably uneven, making the puff uncomfortable to use, and in some cases even making the puff completely unusable due to the center core being uneven.

In order to solve the problem of the above-mentioned conventionally known puffs, ie, the movement of the core, the present inventors have conducted research on the following attempt in an unknown manner. First of all, in order to bond and fix the coated base material and the core body, before inserting the core body into the coated base material, a liquid adhesive is used to connect the coated base material and the core body. I tried to fix it. In this case, both the coating base material and the core were porous, and the adhesive penetrated into the interior of both, making it impossible to obtain a thick film and achieving good bonding and fixation. I tried increasing the amount of adhesive, but the adhesive seeped onto the surface of the application area of the base material and partially solidified, resulting in poor performance as an applicator. As described above, it has been found that it is difficult to bond porous materials together using ordinary liquid adhesives.

Next, the present inventor adhesively fixed the core to a bag-shaped coating base material in which the peripheral edges of two coated base materials were sewn together with a part of the coated base materials overlapped. I tried using a pressure-tack type adhesive. In this case, the pressure-sensitive adhesive type adhesive did not cause any oozing phenomenon, unlike liquid adhesives. However, since the coated surface is the front side, when the bag-shaped coated base material is passed through the opening and turned over, the core fixed with the adhesive may peel off when it passes through the opening. Alternatively, at that time, the surfaces of the core body coated with the pressure-sensitive adhesive adhered to each other, resulting in the core body becoming dango-shaped, resulting in poor results.

[Purpose of the invention]

The present invention has been made in view of these backgrounds, and the purpose of the present invention is to solve the problems of conventional puffs of this type. To provide a cosmetic puff that can always maintain good usage conditions over a long period of time without changing its position, and that does not cause changes in the core even after washing the puff. .

[Structure of the invention]

In the present invention, two coated base materials are joined with their peripheral edges folded inward to form a bag shape, and a core made of a porous material is inserted inside the bag-shaped coated base material. The above object is achieved by a cosmetic puff in which the inner surface of the application base material and the core are adhesively fixed with an adhesive having a relatively high viscosity.

[Explanation of Examples]

The present invention will be described in detail below based on embodiments with reference to the drawings.

In the present invention, a woven fabric, a knitted fabric, a foam made of various synthetic resins, a rubber foam, a sheet whose surface is treated with flocking of the foam, etc. are used as the coating base material.

As the core, various foams (urethane foam,
foamed polyethylene, foamed rubber, etc.) or non-woven fabric,
A porous and elastic material such as a fiber laminate such as a woven fabric is punched into appropriate dimensions and shapes.

Inserting the porous core into the coating base material is carried out in the same manner as conventionally. That is, as shown in FIG. 1, two coated base materials 1 and 2 are punched into a desired shape.
are placed one on top of the other so that the flocked coated surfaces 1a and 2a are facing each other, and are joined by sewing 3 or fusion bonding, leaving a part of the periphery. At this time,
The remaining unsewn portion becomes the opening 4. Next, a core body 5 made of a porous material is placed on the coating base materials 1 and 2, and the core body 5 is passed through the opening 4 together with the coating base materials 1 and 2, and the coating base materials 1 and 2 are turned over. (See Figure 2). In this way, the core 5 is wrapped within the coating base materials 1 and 2.

Next, a rod or spatula-shaped adhesive applicator (not shown) is inserted into the opening 4 of the coated base materials 1 and 2 thus finished.

The adhesive application member is preferably a hollow member from which a certain amount of adhesive oozes out onto the surface of the application member from a cavity inside the application member. This is preferable because when inserting the coating member into the coating base materials 1 and 2, the coating base materials 1 and 2 are not soiled and the adhesive is not applied too much.

Further, a type of applicator member in which the interior of the applicator member is formed into two cylinders from the adhesive supply source and can be joined at the tip is particularly advantageous when the adhesive is a two-component reaction curing type.

Regarding the adhesive used in the present invention, a low-viscosity adhesive such as a solvent-diluted type is absorbed into the coated base materials 1, 2 and the core 5, and when it permeates and hardens, it changes the texture of the coated base materials 1, 2. This is not desirable because it causes Therefore, the adhesive is applied to the application base materials 1 and 2 and the core body 5.
Select a material with appropriate viscosity, taking into account the degree of penetration into the material and the curing speed.

As the adhesive, a two-component reaction curing adhesive with high viscosity is particularly suitable, and polyurethane-based, acrylic-based, epoxy-based, polyamide-based, etc. are particularly suitable.

The adhesive application member inserted into the interior through the openings 4 of the application base materials 1 and 2 is applied to the surface of the core body 5, and the adhesive application member comes out from the cavity inside the adhesive application member. The adhesive 6 is applied to the surface of the core 5.

Thereafter, the adhesive application member is pulled out from the opening 4 of the application base materials 1, 2, and the application base materials 1, 2 are immediately pressed from the front side to bond the application base materials 1, 2 and the core body 5 with the adhesive 6. It will stick (see Figure 3).

Next, as shown in FIG. 4, the opening 4 is closed in the same manner as in the prior art to complete the cosmetic puff.

〔Effect of the invention〕

As described above, in the puff of the present invention, the coating base material and the core are fixed with adhesive, so the core does not move even when the puff is used, and even when the puff is washed. It also does not lose its shape. In addition, since the puff of the present invention uses an adhesive with relatively high viscosity,
The adhesive does not penetrate into the coating base material or the core, and therefore a puff of stable and good quality can be obtained.

According to the present invention, after adjusting the puff shape, that is, the bag-shaped coating base material is turned over, the core is wrapped in the coating base material, and the core is positioned in the center of the coating base material. Since the core body and the coating base material are fixed with an adhesive after being corrected, the puff shape is good.

[Brief explanation of the drawing]

1 and 2 are perspective views showing the manufacturing process of the cosmetic puff of the present invention, FIG. 3 is a sectional view of FIG. 2,
FIG. 4 is a perspective view of the cosmetic puff of the present invention. DESCRIPTION OF SYMBOLS 1, 2... Application base material, 1a, 2a... Periphery, 3... Sewing part, 4... Opening part, 5... Core body, 6... Adhesive.

Claims (1)

[Claims] 1. A cosmetic in which two coating base materials are joined together with their peripheral edges folded inward to form a bag shape, and a core made of a porous material is contained inside the bag-shaped coating base material. 1. A cosmetic puff, characterized in that the inner surface of the application base material and the core are adhesively fixed with an adhesive having a relatively high viscosity.