JP2013023791A - Underwear and water-absorbing sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an underwear or a water-absorbing sheet having a high water-absorbing property.SOLUTION: The shorts 1 include a constitution that the circumference of a water-absorbing sheet 100 is enclosed by a waterproof sheet 110 and absorption and retention of water are performed by the water-absorbing sheet 100 before water is diffused to the circumference. Since the shorts 1 use a material such as cotton tricot, rib knitted fabric, smooth knitted fabric or the like, by the constitution, they suppress water diffusion even if the shorts are constituted in the same thickness as that of usually used shorts and absorb and retain water in a narrow area of the water-absorbing sheet 100, oozing to a shorts body 120 and dirt transfer to an outer garment are prevented. The shorts have a wearing feeling close to that of usually used shorts and mentally and economically have reduced load in comparison with a case in which a napkin for menstruation or incontinence is used.

Description

  The present invention relates to underwear and a water absorbent sheet.

  For example, Patent Document 1 includes a stretchable nonwoven fabric 41 in which a nonwoven fiber layer is stitched and sewn with a knitting yarn containing stretchable fibers, and includes a front part, a back part, and a crotch part 4 positioned between them. An absorbent layer 7 made of a sheet 71 containing hydrophilic fibers is provided on the skin facing surface side of the crotch part 4, and liquid impermeable on the non-skin facing surface side of the absorbent layer 7. And sanitary shorts provided with a moisture-permeable leak-proof layer 8 are disclosed.

JP 2005-154922 A

  The present invention provides an underwear or a water absorbent sheet having high water absorption.

  An undergarment according to the present invention is provided on a back surface of a water-absorbing sheet having water absorption, a waterproof sheet that is provided to surround an outer periphery of the water-absorbing sheet, and has a higher waterproof property than the water-absorbing sheet, and the water-absorbing sheet and the waterproof sheet. And a back sheet sewn to the waterproof sheet.

  The water absorbent sheet according to the present invention has a crotch cloth having water absorption and a plurality of water retention sheets extending from the crotch cloth in the buttock direction at the time of wearing, and each of the water retention sheets is continuous with the crotch cloth. And is not connected to the other water retaining sheets adjacent to each other.

  Preferably, the apparatus further includes a rectifying means provided inside the crotch cloth for flowing the liquid flowing into the crotch cloth in the direction of the water retaining sheet.

  ADVANTAGE OF THE INVENTION According to this invention, an underwear or a water absorbing sheet with high water absorption can be provided.

It is a figure which illustrates the crotch periphery of shorts. It is sectional drawing of the crotch of shorts. It is a figure which illustrates the inside of the water absorption sheet 20 of Example 2. FIG. It is the schematic diagram which looked at the wearing state of shorts 1 where the water absorption sheet 20 was stitched up from the body side. It is the schematic diagram which looked at the wearing state of shorts 1 with which the water absorption sheet 20 was stitched up from the back. It is the schematic diagram which looked at the wearing state of the shorts by which the simple rectangular crotch 90 (comparative example) was sewn from the back. It is a figure explaining the modification of the water absorbing sheet. It is a figure explaining the fixing method of the baffle member.

FIG. 1 is a diagram illustrating the vicinity of a crotch of shorts.
2A and 2B are cross-sectional views of the crotch of the shorts.
As illustrated in FIG. 1, in the crotch 10 of the shorts 1, a waterproof sheet 110 is sewn to a shorts main body 120, and a water absorbent sheet 100 is sewn to the waterproof sheet 110.
The shorts main body 120 is an example of a back sheet according to the present invention, and is made of a material used in everyday shorts such as cotton tricot, milling, or smooth.
The waterproof sheet 110 has higher water repellency than the shorts main body 120 and the water absorbent sheet 100. For example, the waterproof sheet 110 is obtained by laminating a normal fabric. Moreover, the waterproof sheet 110 may further have water repellency.
The water absorbent sheet 100 is made of a material having higher water absorption than the shorts main body 120. Further, the water absorbent sheet 100 may have water retention and diffusibility.

As illustrated in FIG. 2A, the water-absorbent sheet 100 may be sewn between the waterproof sheet 110 and the end portions, or disposed on the waterproof sheet 110 as illustrated in FIG. 2B. You may sew together.
Further, the shorts main body 120 is sewn to the waterproof sheet 110 outside the stitched portion of the water absorbent sheet 100.

As described above, the shorts 1 (an example of underwear) of the present embodiment surrounds the water absorbent sheet 100 with the waterproof sheet 110 so that the water absorbent sheet 100 absorbs and retains water before the water diffuses around the water absorbent sheet 100. It is configured.
Although the crotch part of conventional shorts is required to be clean in addition to protecting the body, it cannot instantly absorb even less than 1 cc of body fluid and keeps the skin clean. It has become difficult. This is because, as a material of skin cloth, thinness, softness, touch, etc. are given priority to everyday shorts, and cotton tricot, milling, and smooth are used. In other words, the skin made of these materials is difficult to absorb moisture instantly, and when it is absorbed, the moisture spreads over the surface of the skin, oozes into the body of the shorts, causes leaks, and is applied to the outer garment. Dirt could be transmitted.
Therefore, the shorts 1 of the present embodiment has the above-described configuration, and even if it is made of a material such as cotton tricot, milling cutter, smooth, and the like, and having a thickness equivalent to that of everyday shorts, moisture is diffused. Since water can be absorbed and retained in a narrow area of the water absorbent sheet 100, it is possible to prevent seepage into the shorts body 120 and transfer of dirt to the outer garment. In addition, compared to the use of sanitary or incontinence napkins or the like, the wearing feeling is close to that of everyday shorts, and there is less burden both mentally and economically.

In the first embodiment, the main purpose is to sufficiently absorb and retain about 1 to 3 cc of water. In the second embodiment, shorts that absorb more water will be described.
FIG. 3 illustrates the water absorbent sheet 20 of the second embodiment.
As illustrated in FIG. 3, the water absorbent sheet 20 includes a crotch portion 200 having a size comparable to that of a normal crotch, and a plurality of water retention sheet portions 232 extending from the crotch portion 200. In the water absorbent sheet 20 of this example, the crotch cloth part 200 and the plurality of water retaining sheet parts 232 are integrally formed. The water absorbent sheet 20 is an example of a water absorbent sheet according to the present invention.
The crotch part 200 is a normal crotch cloth designed in consideration of the thickness of the wearer's body. Here, the crotch cloth is a double cloth of trousers or a part of the cloth in the crotch part of panties (shorts) that is double-sewn, and is sometimes called “crotch” or “chic part”.

  The water retaining sheet portion 232 is a plurality of sheets extending from the crotch portion 200 toward the heel portion at the time of mounting, and has water absorption and water retention equal to or higher than those of the crotch portion 200. In addition, each water retention sheet portion 232 is formed continuously with the crotch portion 200, but a notch 230 is provided between the adjacent water retention sheet portions 232 and is not connected.

FIG. 4 is a schematic view of the wearing state of the shorts 1 with the water absorbent sheet 20 stitched as seen from the body side.
FIG. 5 is a schematic view of the wearing state of the shorts 1 with the water absorbent sheet 20 stitched as seen from the back.
FIG. 6 is a schematic view of the wearing state of the shorts in which the simple rectangular crotch 90 (comparative example) is sewn viewed from the back side.
As illustrated in FIG. 4, the water absorbent sheet 20 of the present example is longer in the back direction than a normal crotch, and thus reaches the wearer's buttocks. Therefore, in the vicinity of the wearer's buttocks, the water absorbent sheet 20 bends upward. At that time, as illustrated in FIG. 5, the protruding portion of the water absorbent sheet 20 (region corresponding to the water retaining sheet portion 232) can be bent along the curved surface of the collar portion. Moreover, even if a buttocks part moves by walking etc., the water retention sheet | seat part 232 divided | segmented into plurality can follow the movement. A waterproof sheet that is slightly larger than the water absorbent sheet 20 is provided outside the water absorbent sheet 20, and the waterproof sheet and the shorts body are sewn together.
On the other hand, as illustrated in FIG. 6, the simple rectangular crotch 90 (that is, the crotch cloth stretched as it is) cannot bend along the shape of the buttocks and deteriorates the silhouette at the time of wearing. .

  As described above, in the shorts 1 of the present embodiment, the water absorbent sheet 20 including the crotch portion 200 and the plurality of water retaining sheet portions 232 is provided, so that a larger amount of moisture can be absorbed and retained.

Next, a modification of the second embodiment will be described.
FIG. 7 is a diagram illustrating a modified example of the water absorbent sheet 20.
As illustrated in FIG. 7A, in the water absorbent sheet 20 of the modification, a rectifying member 240 is provided inside the crotch portion 200. That is, in the crotch part 200 of this modification, as illustrated in FIG. 7B, a water-repellent mesh fabric 202, a water absorbent sheet 204, a diffusion sheet 205, a water retention sheet 206, and a waterproof sheet 210 are laminated. The rectifying member 240 is inserted between the water absorbent sheet 204 and the diffusion sheet 205.
The rectifying member 240 has a shape that suppresses the diffusion of the injected water in the lateral direction (body side direction) and the diffusion in the front direction, and promotes the diffusion of moisture in the back direction (the direction of the buttocks). The rectifying member 240 of this example has a substantially U shape, restricts the diffusion of moisture in the front and lateral directions, and promotes the diffusion of moisture in the rear (that is, the opening direction of the U shape). Such a rectifying means is particularly effective in the water absorbent sheet 20 having a large water retention area in the buttock direction as in the second embodiment. That is, although moisture is normally diffused radially, the length of the water absorbent sheet 20 in the lateral direction (body side direction) is shorter than that in the front-rear direction (buttock direction). Increases nature. In other words, the rectifying means (rectifying member 240) as described above is provided in order to utilize a large water retention area provided in the buttock direction.

FIG. 8 is a diagram illustrating a method for fixing the rectifying member 240.
As illustrated in FIG. 8A, the rectifying member 240 of this example is a cloth having a thickness of about 1 mm cut out in a substantially U shape, and is sewn to the diffusion sheet 205 in a state of being spread left and right. In addition, although the front end part (namely, lower end part of U-shape) of the rectification member 240 of this figure is a gentle curve shape, it is actually a substantially straight line shape from a viewpoint of elastic restoration balance etc. Is desirable.
8B and 8C are cross-sectional views of the rectifying member 240. FIG. The straightening member 240 is in the state illustrated in FIG. 8B in the state as it is, but when this is spread to the left and right and both ends are sewn together, the fabric is twisted as shown in FIG. 8C. The department stands up. As a result, a larger space is formed between the water absorbent sheet 204 and the diffusion sheet 205, the water retention capacity is improved, and the water injected therein is easy to move, so that quick diffusion in the buttock direction can be expected. .

DESCRIPTION OF SYMBOLS 10 Crotch 100 Water absorption sheet 110 Waterproof sheet 120 Shorts main body 20 Water absorption sheet 200 Crotch part 232 Water retention sheet part 240 Rectification member

Claims (3)

A water absorbent sheet having water absorbency,
A water-proof sheet provided around the outer periphery of the water-absorbent sheet, having a higher waterproof property than the water-absorbent sheet;
An undergarment comprising: a back sheet provided on a back surface of the water absorbent sheet and the waterproof sheet and sewn to the waterproof sheet. A crotch cloth having water absorption,
A plurality of water-retaining sheets extending from the crotch to the buttock direction when worn,
Each of the water retention sheets is continuous with the crotch cloth and is not connected to the other adjacent water retention sheets. The water-absorbent sheet according to claim 2, further comprising a rectifying means provided inside the crotch cloth and configured to flow the liquid flowing into the crotch cloth in the direction of the water retaining sheet.

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