JPH0122572Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvements in disposable cosmetic puffs.

Conventionally, various puffs of this type have been proposed and put into practical use, and generally consist of a liquid-absorbent core layer and a liquid-permeable surface layer. Generally, the core layer is made of a single or mixed web of cotton fibers or rayon fibers, and the surface layer is made of a nonwoven fabric.

However, in such known puffs, since the core layer uses a highly water-absorbent cotton fiber/rayon fiber alone or a mixed web, its elasticity is halved under wet conditions, making it difficult to use. Also, the liquid retention is too high and the lotion may be wasted.

On the other hand, conventionally known puffs of this type use soft polyurethane foam for part or all of the core material, but although this has excellent elasticity, it has poor liquid retention under pressure. Too much lotion may leak out at once and be wasted.

SUMMARY OF THE INVENTION An object of the present invention is to provide a disposable cosmetic puff that has the required elasticity and liquid retention under wet conditions and can overcome the above-mentioned drawbacks.

The puff of the present invention will be described below based on the illustrated embodiment.

In FIGS. 1A and 1B, the puff of the present invention consists of a mat-like liquid-absorbent core layer 1 and a liquid-permeable surface layer 2,
These are folded into three in the width direction so that the surface layer is on the outside, so that the core layer is wrapped and covered with the surface layer in the width direction. In order to maintain this covered state, both ends 3 in the length direction of the puff body
The surface layer 2 is hot-melted (pressure-bonded).

As the core layer 1, as illustrated in FIGS. 2A and 2B, a continuous filament aggregate 1a of crimpable acetate fibers is used, and the fiber direction is oriented in the longitudinal direction of the puff body. ing. Such an aggregate 1a is obtained by opening a continuous filament tow of crimpable acetate fibers. This fiber has a hydrophilic group and a hydrophobic group, and is inferior to cellulose-based fibers such as pulp and rayon in its water absorption capacity and water absorption speed, but it does not lose its stiffness under wet conditions. This material has several tens of crimps per inch fixed by heat, has high crimping properties, has a bulky apparent density, and maintains its bulkiness even under wet conditions. Suitable as core material for seed puffs. As the surface layer 2, a non-woven fabric that has conventionally been generally used as a surface material for this type of puff can be used, but preferably a 100% cellulose non-woven fabric without using a fiber binder or a non-woven fabric made by a spunlace method. The resulting porous nonwoven fabric is preferably used. In particular, nonwoven fabrics that do not contain fiber binders have a very good feel to the touch, and porous nonwoven fabrics are bulky and have excellent makeup removal effects, making them suitable as surface materials for this type of puff.

As illustrated in FIGS. 3A and 3B, the core layer 1
In some cases, short cellulose fibers or wood pulp 1b are almost uniformly mixed between the fibers of the aggregate 1a. In this case, the liquid retaining property of the core layer 1 is further imparted, and the amount of this mixture is preferably 5 to 50% by weight based on the aggregate 1a. Incidentally, in order to obtain such a composite, for example, a band-shaped aggregate 1 obtained by opening the continuous filament tow of the crimpable acetate fibers is used.
From above a, the short cellulose fibers or wood pulp 1b are processed using a hammer mill or the like and fall onto the aggregate, and are sucked by a suction device placed below the aggregate to separate the fibers between the aggregates. The short cellulose fibers or wood pulp may be interposed almost uniformly in the fibers.

In addition, in the puff of the present invention, since the entire core layer 1 is covered with the surface layer 2, the fibers of the core layer do not fall off during use and remain attached to the face. In order to further improve this, it is preferable that the fibers of the core layer are not exposed from both lengthwise ends 3 of the puff body.

Since the puff of the present invention has the above-mentioned structure, it has high elasticity not only in non-wet conditions but also in moist conditions with lotion, making it easy to use for putting on hair, etc., and also has an appropriate liquid retention property. The amount of liquid that remains inside and is wasted is also relatively small, making it possible to achieve the intended purpose, such as making it possible to use the cosmetic liquid economically.

[Brief explanation of the drawing]

FIG. 1A is a perspective view of the puff of the present invention, FIG. 1B is a schematic cross-sectional perspective view taken along line XX in FIG. 1, FIG. 2A is a partial perspective view showing the first embodiment of the puff, and FIG. Figure B is a sectional view taken along the line Y-Y of Figure 2A, Figure 3A is a partial perspective view showing the second embodiment, and Figure 3B is a cross-sectional view taken along the line Z-Z of Figure 3.
FIG. DESCRIPTION OF SYMBOLS 1...Core layer, 2...Surface layer, 1a...Continuous filament aggregate, 1b...Cellulose short fibers or wood pulp, 3...Longitudinal end portion.

Claims (1)

[Claims for Utility Model Registration] (1) A cosmetic puff in which a liquid-absorbent core layer is wrapped and covered in the width direction with a liquid-permeable surface layer, and both lengthwise ends are hot-melted (press-bonded). The puff characterized in that the core layer is mainly composed of a continuous filament aggregate of crimpable acetate fibers, and the fiber direction of the aggregate is oriented in a certain direction of the puff body. (2) The cosmetic puff according to claim 1, wherein the core layer is formed by substantially uniformly mixing at least 5% by weight of short cellulose fibers into the aggregate. (3) The cosmetic puff according to claim 1, wherein the core layer is formed by mixing wood pulp into the aggregate. (4) The cosmetic puff according to claim 1, 2, or 3, wherein at least both sides of the core layer in the width direction are folded inward. (5) The cosmetic puff according to claim 1, wherein the surface layer is made of a 100% cellulose nonwoven fabric without using a fiber binder. (6) The cosmetic puff according to claim 1, wherein the surface layer is made of a porous nonwoven fabric obtained by a spunlace method without using a fiber binder.