JPH09117473A - Sanitary napkin - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a sanitary napkin easy to use, to make it surely fit closely to the body without falling off and to make it free from leaking and safe. SOLUTION: This napkin 10 has a sandwich structure consisting of a surface material 1 of nonwoven fabric, an absorbent material 2 of cotton-like pulp stacked inside the surface material 1, and a water-permeable sheet 3 covering the absorbent material 2, e.g. absorbent paper or a porous mesh sheet composed of the same material as the surface material 1. Further, the napkin is provided with adhesive tapes 4, 4 oppositely facing along the longitudinal direction on both sides of the absorbent material 2 on the part to be applied to the inside of the thigh, and also with adhesive tapes 5, 5 oppositely facing in the width direction on the part corresponding to the abdomen and the hips.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sanitary napkin which can be used safely without any leakage during menstruation.

[0002]

2. Description of the Related Art Conventionally, as a sanitary napkin that sanitarily and easily treats menstrual blood without soiling shorts or the like,
A sandwich structure is often used in which a water absorbent material of cotton-like pulp is interposed between a surface material composed of a non-woven fabric and an absorbent paper provided by being polymerized on its inner surface, and an adhesive layer is further attached to the surface material. It is used by being attached to shorts.

[0003]

Conventional sanitary napkins are generally fixed to shorts with an adhesive layer or an adhesive piece called a blade, but they are often separated from the skin, especially when the legs are spread. When the napkin leaves your body,
The leakage phenomenon was apt to occur and the anxiety was apt to occur. Also, in order to prevent leakage, it is necessary to prepare various types of three-dimensional side gathers or types that can reach the waist and prevent side leakage and rear leakage. Especially, it is inconvenient to manufacture different types such as thin ones worn in the daytime and thick ones worn at night, and it is a napkin that is easy to use because it wants to get a good night's sleep with peace of mind, and it does not reliably prevent leakage. There was a problem. The present invention is intended to eliminate these conventional drawbacks, and is intended to provide a safe sanitary napkin that is easy to use and is used without being in contact with the body so that the napkin does not slip at all and does not leak. To do.

[0004]

The present invention is directed to a surface material made of a non-woven fabric, an absorbent material made of cotton-like pulp provided on the inner surface of the surface material by polymerization, and a water-permeable material coated on the absorbent material. In a sanitary napkin made of a sheet material, the surface material is extended to reach a length from the hip to the lower part of the abdomen, and the inner crotch area on both sides of the absorbent material on the skin surface, the hip area and the abdominal area. The sanitary napkin is characterized in that the adhesive tapes are provided opposite to each other and the adhesive tapes are provided on the outer surface of the hip portion along the width direction.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION In the sanitary napkin of the present invention, the rear part of the napkin, which becomes the buttocks, is folded in two in the width direction and formed into a chevron shape. Adhesive tape scattered on the surface that touches the skin around the is closely attached to the inner crotch and hips as well as the lower abdomen to fix the napkin, and even if you move your body,
In addition, even if there is a lot of menstrual blood, it does not leak and can be securely guarded inside, and side leakage and post-leakage can be reliably eliminated. And the front part of the surface material has a length that reaches the lower part of the abdomen and is equipped with adhesive tape, so it can be fixed on the skin while avoiding pubic hair, and by folding the back part in two, it will adhere to the buttocks and leave a gap. It is easy to prevent leaks, and if there are raised side leakage prevention ridges on both sides of the absorbent material, it will be even more effective, easy to use and will not be misaligned during mounting operation. It can be used as a reliable and easy-to-use napkin because it can be used safely and can be adjusted according to the body with individual differences.

[0006]

EXAMPLE An example of the present invention will be described with reference to FIGS. 1 to 3. A surface material 1 made of a non-woven fabric such as polyethylene, polypropylene or polyester, and a cotton-like material provided on the inner surface of the surface material 1 by polymerization. The absorbent material 2 made of pulp and the water-permeable sheet material 3 coated on the absorbent material 2, for example, absorbent paper, or a mesh sheet which is the same material as the surface material 1 and porous and has a sandwich structure A napkin (10) for use, which comprises adhesive tapes (4, 4) facing the inner crotch part on both sides of the absorbent material (2) on the skin-contacting surface of the water-permeable sheet material (3) along the longitudinal direction, The sanitary napkin 10 is provided with adhesive tapes 5 and 5 facing the buttocks area along the width direction.

In this case, the surface material 1 is formed in a rectangular shape extending from the hip to the lower part of the abdomen, and if necessary, a waterproof material is used alone or in combination, and a cotton-like pulp is used on the inner surface side of the surface material 1. It is preferable that the napkin 10 has a configuration in which an absorbent material 2 made of a polymeric water absorbent material such as absorbent paper is polymerized and mounted or charged and is covered with the water permeable sheet material 3.

As the adhesive tapes 4 and 5 and the adhesive tape 7 provided inside and outside the surface material 1, a release sheet (not shown) is detachably provided on the surface of each adhesive layer. It is considered that the adhesive layer on the side that comes into contact with balsam contains an anti-skin agent, such as a skin anti-inflammatory agent. The adhesive tapes 4 and 5 and the adhesive tape 7 may be replaced by a band-shaped adhesive layer or an adhesive layer, respectively.

As the absorbing material 2, a flat material having a predetermined thickness is used, but if necessary, ridges 6 that are raised, thickened or thickened are provided in parallel on both sides thereof. It is also possible to use the absorbent material 2 which has the effect of preventing side leakage. Further, as the water-permeable sheet 3, a porous mesh sheet which is the same material as the surface material 1 and which allows menstrual blood to pass through quickly is used, and the absorbent material 2 is internally heat-bonded to the surface material at the outer peripheral portion. I have it, but
A water-absorbent paper, cloth-like material, or other sheet that can provide a comfortable feel on the skin is selected and used, and the surface material 1 is polymerized in the same shape on the entire surface of the surface material 1 or coated on the surface of the absorbent material 2 to form the surface material 1. Used by joining.

Further, the surface material 1 is extended so as to reach the lower abdomen from the hip portion, and the rear portion of the napkin 10 provided with the adhesive tape 7 on the outer surface of the hip portion along the width direction is extended along the width direction. It is considered that the center is folded in two so that it can be tightly attached to the hips without a gap, and that it can be fixed to shorts and fit the body.

In the embodiment shown in FIG. 4, a pair of adhesive pieces 8 and 9 are provided on the rear and front portions of the napkin 10 composed of the surface material 1, the absorbent material 2 and the water permeable sheet 3 so as to be spaced apart from each other. The width of the adhesive piece 8 on the part side is 10 to 20 mm, preferably 12 to 1
The length is 5 mm, the length is 80 to 100 mm, an adhesive layer is provided on a part (about 50 mm) of the front end portion, and the rear side adhesive piece 9 is used.
Has a slightly shorter length (50 to 70) than the adhesive piece 8 on the front side.
mm) with an adhesive layer on the entire surface.

[0012]

EFFECTS OF THE INVENTION The present invention comprises a surface material made of a non-woven fabric, an absorbent material made of cotton-like pulp polymerized on the inner surface of the surface material, and a water-permeable sheet material coated on the absorbent material. In this sanitary napkin, the surface material is extended to reach the lower abdomen from the buttocks, and an adhesive tape is provided on the inner crotch region on both sides of the absorbent material on the skin-to-skin region, and on the buttocks region and the abdomen region. The napkin is easy to wear and easy to use because the adhesive tape is provided on the outer surface of the hip along the width direction, that is, if the napkin is applied to the body along the hip, Adhesive tape scattered on the surface that touches the skin around the inside is closely attached to the inner crotch and hips and the lower abdomen, and the napkin is fixed,
Even if you move your body, even if you have a lot of menstrual blood, it will not leak and you can securely guard inside, and you can surely eliminate side leakage and post-leakage. And since the front part of the surface material is provided with a length that reaches the lower part of the abdomen and the adhesive tape is provided,
It can be fixed to the skin while avoiding pubic hair, and by folding the back part in two, it can be easily attached to the buttocks and there is no gap to prevent leakage, and the side leakage prevention ridges that are raised on both sides of the absorbent material If it is provided, it is possible to further enhance the effect, it is easy to use, it can be used safely without any positional deviation in the wearing operation, and it can be adjusted according to the body with individual differences, which is extremely convenient. Easy to handle and can be used as a reliable napkin.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing a usage state of the example of FIG.

3A and 3B are enlarged vertical sectional views of the example of FIG. 1, where FIG. 3A is a sectional view taken along line AA and FIG. 3B is a sectional view taken along line BB.

FIG. 4 is a perspective view of another embodiment of the present invention.

[Explanation of symbols]

 1 Surface material 2 Absorbent material 3 Water permeable sheet 4,5 Adhesive tape 6 Leak-prevention ridge 7 Adhesive tape 8,9 Adhesive piece 10 Napkin

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ryozo Nachi 466-8 Fueda, Kamakura City, Kanagawa Prefecture Clio 410 Fueda, Kamakura

Claims (4)

[Claims] 1. A sanitary napkin comprising a surface material made of a non-woven fabric, an absorbent material made of cotton-like pulp polymerized on the inner surface of the surface material, and a water-permeable sheet material coated on the absorbent material. In the above, the surface material is extended to a length reaching the lower abdomen from the hips, and the inner crotch abutting parts on both sides of the absorbent material on the skin abutting face and the abdominal abutting region and the abdominal abutting region respectively face the adhesive tape. A sanitary napkin, characterized in that the adhesive tape is provided on the outer surface of the hip portion along the width direction. 2. The sanitary napkin according to claim 1, wherein the pressure-sensitive adhesive tape is provided with a release sheet on the surface of the pressure-sensitive adhesive layer in a removable manner, and the adhesive layer contains a skin roughening inhibitor. . 3. The sanitary napkin according to claim 1 or 2, wherein the absorbent material is provided with lateral leak preventing ridges that are raised on both sides thereof. 4. The sanitary napkin according to claim 1, wherein the water-permeable sheet is a porous mesh sheet and is welded and bonded to the surface material at an outer peripheral portion.