CN213697516U

CN213697516U - Sanitary towel capable of preventing side leakage

Info

Publication number: CN213697516U
Application number: CN202022646918.7U
Authority: CN
Inventors: 叶正瑜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-16
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a prevent sanitary towel of edge leakage, include: the water permeable layer, the water absorbing body and the waterproof layer are sequentially laminated; the use surface of the permeable layer is provided with a permeable membrane covered on the water absorber (namely the permeable membrane is wrapped on the water absorber in a U shape), and only the use surface of the permeable membrane is distributed with permeable holes; the periphery of the breathable film extends to the back face, far away from the use face, of the water absorption body, but the breathable film does not completely wrap the water absorption body, so that breathability is improved. The middle part of the sanitary towel extends to two outer sides to form protective wings; the sanitary towel is rectangular, and the protective wings are also rectangular, so that the generation of leftover bits and pieces is reduced, the materials are fully utilized, and the influence of redundant leftover bits and pieces on the environment is avoided. The wings are made of a separate layer of material which is separately cut and then laminated or glued to the back of the product and possibly with 1 to N layers of water-repellent material applied behind the wing layer. The use surface of the water absorption body is covered with surface layer non-woven fabric which plays a role in uniformly distributing water, and liquid can uniformly and quickly permeate into the water absorption body.

Description

Sanitary towel capable of preventing side leakage

Technical Field

The utility model relates to a sanitary towel for preventing side leakage.

Background

The sanitary towel is a necessary product for women during menstrual period, and the protective pad often has side leakage in use, which affects the use effect of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a sanitary towel which has simple structure and is suitable for preventing side leakage.

In order to solve the above problem, the present invention provides a sanitary napkin, comprising: the water permeable layer, the water absorbing body and the waterproof layer are sequentially laminated; a first breathable film covering the water absorber is arranged on the use surface of the permeable layer (namely the first breathable film is wrapped on the water absorber in a U shape), and permeable holes are distributed on the use surface of the first breathable film; the first breathable film is used for preventing liquid entering the water absorption body from overflowing, and further preventing side leakage. The waterproof layer and the first breathable film are PE breathable films. The use surface is a surface facing the body of the user.

In specific implementation, the first breathable film covers the use surface of the permeable layer, and the periphery of the first breathable film extends to the back surface of the water absorption body far away from the use surface, but does not completely wrap the water absorption body, so that the breathability is improved. And water permeable holes are distributed on the using surface of the first breathable film.

The sanitary towel is in a strip shape, and side non-woven fabrics are arranged on two side edges of the sanitary towel in the length direction so as to play a role in side protection.

Optionally, the use surface of the first breathable film is covered with surface layer non-woven fabric, and the surface layer non-woven fabric plays a role in ventilation and water distribution and is beneficial to the uniform and rapid permeation of liquid from the outside into the water absorption body.

Optionally, the use surface and the back surface of the water absorption body are respectively covered with upper and lower toilet paper or upper and lower non-woven fabrics, and the upper non-woven fabric or the upper toilet paper plays a role in uniform water distribution, so that liquid from the outside can uniformly and quickly permeate into the water absorption body. The permeable layer comprises the upper toilet paper.

A blue chip is arranged between the first breathable film and the upper toilet paper, and the blue chip is impregnated with relevant traditional Chinese medicines beneficial to women health care.

The sanitary towel is rectangular, so that the generation of leftover bits and pieces is greatly reduced during the production of products, the materials are fully utilized, and the influence of redundant leftover bits and pieces on the environment is avoided; the middle part of the sanitary towel extends to two outer sides to form a protective wing (specifically formed by rectangular non-woven fabrics attached to the back of the waterproof layer), and the back of the protective wing is provided with a piece of gum release paper.

The inner side of the side non-woven fabric is provided with rubber bands extending along two outer side edges of the sanitary towel in the length direction, and the periphery of the sanitary towel is formed by hot-press forming or ultrasonic welding.

The sanitary napkin is rectangular, and the protective wings are also rectangular, so that corner waste is greatly reduced during product production, materials are fully utilized, and the influence of redundant corner materials on the environment is avoided. The flaps are individually cut from a separate layer of material and then laminated or bonded to the back of the product and 1 to N layers of water-resistant material may be applied behind the flap layer.

The water absorption body comprises an upper absorption layer and a water absorption core body which are laminated, and the upper absorption layer and the water absorption core body are wrapped by toilet paper; the upper absorbing layer is made of fluff pulp or wood pulp, and the water absorbing core body is formed by mixing the fluff pulp and SAP or is only SPA.

Alternatively, the water absorbent body is wrapped by a second breathable film, wherein the part of the second breathable film on the use surface of the water absorbent body is distributed with water permeable holes to prevent the liquid entering the water absorbent body from overflowing.

The technical effects of the utility model: the sanitary towel of the utility model has simple structure, the use surface of the permeable layer is provided with a first permeable membrane covering the first permeable membrane of the water absorber, and the use surface of the first permeable membrane is distributed with permeable holes; the first breathable film is used for preventing liquid entering the water absorption body from overflowing, and further preventing side leakage. Specifically, the first breathable film covers the use surface of the water permeable layer, and the periphery of the first breathable film extends to the back surface of the water absorbing body far away from the use surface, but does not completely wrap the water absorbing body, so that the breathability is improved.

Drawings

The invention will be described in further detail with reference to the accompanying drawings:

FIG. 1 is a schematic view of a sanitary napkin according to the present invention;

fig. 2 is a schematic sectional view of the sanitary napkin of the present invention.

Detailed Description

Example 1

A sanitary napkin for preventing side leakage, comprising: a permeable layer 3, a water absorbing body 2 and a waterproof layer 1 which are sequentially laminated; a first breathable film 4 covering the water absorber 2 is arranged on the use surface of the permeable layer 3, and permeable holes are distributed on the use surface of the first breathable film 4; the first gas permeable membrane is used to prevent the liquid entering the absorbent body 2 from overflowing. The waterproof layer 1 and the first breathable film 4 are PE breathable films. The use surface is a surface facing the body of the user.

The first breathable film 4 covers the use surface of the permeable layer 3, and meanwhile, the periphery of the first breathable film 4 extends to the back surface of the water absorbing body 2 far away from the use surface, but the water absorbing body 2 is not completely wrapped so as to improve the breathability. And water permeable holes are distributed on the using surface of the first breathable film.

The sanitary towel is in a strip shape, and the two sides of the sanitary towel in the length direction are provided with side non-woven fabrics 5 to play a role in side protection.

The using surface and the back surface of the water absorption body 2 are respectively covered with upper toilet paper and lower toilet paper, which plays a role of uniform water distribution and is beneficial to the uniform and rapid infiltration of liquid from the outside into the water absorption body. The water permeable layer 3 comprises the upper toilet paper.

A blue chip is arranged between the first breathable film 4 and the upper toilet paper, and the blue chip is impregnated with relevant traditional Chinese medicines beneficial to women health care.

The sanitary towel is rectangular, the middle part of the sanitary towel extends to two outer sides to form a protective wing 8 (specifically formed by rectangular non-woven fabrics attached to the back of the waterproof layer), and the back of the protective wing 8 is provided with a piece of back adhesive release paper.

The inner side of the side non-woven fabric 5 is provided with rubber bands 7 extending along two outer side edges of the sanitary towel in the length direction, and the periphery of the sanitary towel is formed by hot-press forming or ultrasonic welding.

Example 2

On the basis of embodiment 1, the present embodiment has the following modifications

The water absorbent body 2 is wrapped by a second breathable film (PE breathable film), wherein, the second breathable film on the use surface of the water absorbent body 2 is distributed with water permeable holes to prevent the liquid entering the water absorbent body 2 from overflowing.

Optionally, the use surface of the first breathable film 4 is covered with a surface layer non-woven fabric 6, and the surface layer non-woven fabric plays a role in uniform water distribution, so that liquid from the outside can uniformly and quickly permeate into the water absorption body.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A sanitary napkin for preventing side leakage, comprising: a water permeable layer (3), a water absorbing body (2) and a waterproof layer (1) which are sequentially laminated; the method is characterized in that:

the use surface of the permeable layer (3) is provided with a first permeable membrane (4) covered on the water absorption body (2), and permeable holes are distributed on the use surface of the first permeable membrane (4).

2. A sanitary napkin according to claim 1 or, wherein the first breathable film (4) covers the use surface of the water permeable layer (3), while the periphery of the first breathable film (4) extends to the back surface of the absorbent body (2) remote from the use surface, but does not completely wrap the absorbent body (2).

3. A sanitary napkin according to any one of claims 1-2, wherein said sanitary napkin is elongate and has side nonwoven fabrics (5) on both sides in the longitudinal direction of said sanitary napkin.

4. A sanitary napkin according to any one of claims 1-2, wherein the use side of the first breathable film (4) is covered with a top nonwoven (6).

5. A sanitary napkin according to any one of claims 1-2, wherein the use side and the back side of the absorbent body (2) are covered with upper and lower toilet paper, respectively; the waterproof layer (1) is a PE breathable film, and the permeable layer (3) comprises the toilet paper.

6. A sanitary towel according to claim 5, characterized in that a blue core is arranged between the first breathable membrane (4) and the upper sanitary napkin.

7. A sanitary towel according to any one of claims 1-2, characterized in that the absorbent body (2) is wrapped by a second gas-permeable membrane, wherein the part of the second gas-permeable membrane that is on the use side of the absorbent body (2) is provided with water-permeable holes.

8. A sanitary napkin according to claim 3, wherein the sanitary napkin is rectangular, the central portion of the sanitary napkin extends outwardly from both sides with flaps (8), and the back of the flaps (8) is provided with a release liner.

9. A sanitary napkin according to claim 3, wherein the inner side of the side nonwoven (5) is provided with an elastic band (7) extending along both outer side edges in the length direction of the sanitary napkin.