CN113081497A

CN113081497A - Pants-type sanitary towel made of bamboo fibers

Info

Publication number: CN113081497A
Application number: CN202110313775.4A
Authority: CN
Inventors: 关启明; 关锦添
Original assignee: Foshan City Nanhai District Xiqiao Qifeng Health Products Co ltd
Current assignee: Foshan City Nanhai District Xiqiao Qifeng Health Products Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-07-09
Anticipated expiration: 2041-03-24
Also published as: CN113081497B

Abstract

The invention discloses a pants-type sanitary napkin of bamboo fiber, comprising: the outer surface layer is divided into a front abdominal circumference area and a rear hip circumference area, and the side edges of the front abdominal circumference area and the rear hip circumference area are bonded and connected with each other through hot melt adhesive to form a trouser shape; the absorption body includes: the flow guide absorption layer is bent to form an ith bent part; form the absorption space between the adjacent kink, be full of wood pulp and polymer resin mixture in the absorption space, the location thorn hole pierces through all kinks and absorption space in proper order to make adjacent kink carry out the adhesion in location thorn hole position through the hot pressing, the absorption space is through the outside intercommunication of absorption hole and the 1 st kink, the lateral surface and the inboard of extexine of the n kink are connected, the other end and the absorption space intercommunication between the 1 st kink and the 2 nd kink of absorption hole. The invention can prevent side leakage and is mainly used in the technical field of disposable absorbent articles.

Description

Pants-type sanitary towel made of bamboo fibers

Technical Field

The invention relates to the technical field of female sanitary products, in particular to a pants-type sanitary towel made of bamboo fibers.

Background

By pant-type sanitary towel is meant a sanitary towel shaped like a pair of briefs and then functioning as a sanitary towel. The absorption body of the conventional pants-type sanitary napkin is generally made of an absorption cotton, which is wrapped with a nonwoven fabric. However, the absorption body of this structure has poor absorption and water-locking effects.

Disclosure of Invention

The present invention is directed to a bamboo fiber pant-type sanitary napkin that solves one or more of the problems set forth in the prior art and provides at least one advantageous alternative or creation.

The solution of the invention for solving the technical problem is as follows: provided is a pants-type sanitary napkin of bamboo fibers, comprising: the outer surface layer is divided into a front abdominal circumference area and a rear hip circumference area, and the side edges of the front abdominal circumference area and the rear hip circumference area are bonded and connected with each other through hot melt adhesive to form a trouser shape;

the absorption body includes: the flow guide absorption layer is bent to form an ith bent part, i is 1, 2 … and n, wherein n is a positive integer and is more than or equal to 3;

form the absorption space between the adjacent kink, be full of wood pulp and polymer resin mixture in the absorption space, the location thorn hole pierces through all kinks and absorption space in proper order to make adjacent kink carry out the adhesion at location thorn hole position through the hot pressing, the absorption space is through the outside intercommunication of absorption hole and the 1 st kink, and the lateral surface of the nth kink passes through the bottom and is connected with the inboard of extexine, the surface course passes through the hot melt adhesive bonding with the lateral surface of the 1 st kink, the one end of absorption hole passes the surface course, the other end that absorbs the hole passes the absorption space intercommunication between 1 st kink and the 2 nd kink.

Further, n is equal to 3.

Further, the bottom layer is formed by compounding a breathable film and a spun-bonded non-woven fabric.

Further, the surface layer is a bamboo fiber surface material layer.

Further, preceding abdominal girth district is equipped with first elastic band, first elastic band is whole to be the U-shaped, first elastic band includes: the first left side edge extends along the left side part of the front abdominal region and is connected with one end of the first lower side edge, the first lower side edge is positioned at the lower side part of the front abdominal region, the other end of the first lower side edge is connected with the first right side edge, the first right side edge extends along the right side part of the front abdominal region, the first left side edge and the first right side edge are both continuous, and the first lower side edge is in a point-breaking shape;

the back buttock encloses the district and is equipped with the second elastic band, the second elastic band is whole to be the shape of falling U, the second elastic band includes: second left side, first last side and second right side, the second left side is following the left side portion trend in back buttockss enclosure and is connected with the one end of first last side, first last side is located the last side portion in back buttockss enclosure, the other end and the second right side of first last side are connected, the second right side is following the right side portion in back buttockss enclosure and is walked to, second left side and second right side all are the continuity, first last side is some disconnected forms.

Further, the front abdominal surrounding area is composed of three layers of spun-bonded water-repellent non-woven fabrics.

Further, the back hip surrounding area is composed of three layers of spun-bonded water-repellent non-woven fabrics.

The invention has the beneficial effects that: the invention forms a plurality of bending parts and absorption spaces by bending the diversion absorption layer, fixes the bending parts through the positioning puncture holes, and locks the space structure of the absorption space, and has the characteristics of high absorption speed and large absorption capacity. Moreover, the absorption space is filled with the mixture of the wood pulp and the polymer resin, so that the water absorbability of the absorption body is improved.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can derive other designs and figures from them without inventive effort.

FIG. 1 is a schematic cross-sectional structure of an absorption body;

FIG. 2 is a schematic view of an unfolded configuration of a pant-type sanitary napkin;

fig. 3 is a perspective view of a pant-type sanitary napkin.

Detailed Description

The concept, specific structure, and technical effects of the present invention will be described clearly and completely with reference to the following embodiments and the accompanying drawings to fully understand the objects, features, and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The technical characteristics in the invention can be combined interactively on the premise of not conflicting with each other.

Example 1, referring to fig. 1, 2 and 3, a bamboo fiber pant-type sanitary napkin comprising: an outer skin layer and an absorption body 300, the outer skin layer is divided into a front abdominal region 100 and a rear hip region 200, the sides of the front abdominal region 100 and the rear hip region 200 are bonded to each other by hot melt adhesive to form a pants shape, and the absorption body 300 is disposed between the front abdominal region 100 and the rear hip region 200;

the absorption body 300 includes: the absorption layer comprises a surface layer 313, a bottom layer 314, absorption holes 301, positioning puncture holes and a flow guide absorption layer, wherein the flow guide absorption layer is bent to form an ith bent part, i is 1, 2 …, n, wherein n is a positive integer and is more than or equal to 3;

an absorption space is formed between the adjacent bending parts, the absorption space is filled with a mixture of wood pulp and high polymer resin, the positioning puncture penetrates all the bending parts and the absorption space in sequence, the adjacent bending parts are adhered at the positioning puncture positions through hot pressing, the absorption space is communicated with the outer side of the 1 st bending part 310 through the absorption hole 301, the outer side surface of the n th bending part is connected with the inner side of the outer surface layer through the bottom layer 314, the surface layer 313 is adhered with the outer side surface of the 1 st bending part 310 through hot melt adhesive, one end of the absorption hole 301 penetrates through the surface layer 313, and the other end of the absorption hole 301 is communicated with the absorption space between the 1 st bending part 310 and the 2 nd bending part 320. The guide absorption layer guides water (liquid) along the guide absorption layer and guides the water to the absorption space. The material of water conservancy diversion absorbed layer can single material, also can the compound material of mixed, and single material say: hot air non-woven fabric; the mixed materials are as follows: the mixed material of the hot air non-woven fabric, the wood pulp and the high polymer resin.

The degree of bending of the fluid-guiding absorption layer affects the degree of stability of the absorption space. In order to achieve better water locking effect, theoretically, the more the diversion absorption layer is, the better the diversion absorption layer is, and the more the diversion absorption layer is, the better the diversion absorption layer is. However, if the amount of the mixture of the wood pulp and the polymer resin filled in the single absorption space is fixed as the degree of bending is increased, the entire absorption body 300 inevitably becomes thick, and the experience is deteriorated. For this reason, it is found through experiments that the best effect is obtained when n is equal to 3, i.e. when the diversion absorption layer is bent into 3 bending parts. In this way, the absorption body 300 has a 1 st folded part 310, a 2 nd folded part 320 and a 3 rd folded part 330, wherein an absorption space formed between the 1 st folded part 310 and the 2 nd folded part 320 is a 1 st absorption space 311, and an absorption space formed between the 2 nd folded part 320 and the 3 rd folded part 330 is a 2 nd absorption space 312.

A chassis of a pant-type sanitary napkin is constructed by the outer cover layers, wherein an absorbent body 300 is disposed between the front abdominal region 100 and the back hip region 200. Aiming at the situation of poor water absorption effect in the prior art. The absorption body 300 is bent by the fluid guide absorption layer to form a plurality of bent portions. Wherein, set up the absorption space between adjacent kink to pack in the absorption space with wood pulp and polymer resin mixture. Also, absorption holes 301 are provided to achieve rapid water absorption by the mixture of wood pulp and high molecular resin. The absorption space is locked by the layer-by-layer bending of the bending part. Simultaneously, in order to make wood pulp and polymer resin mixture more stable in absorbing the space, all adhere the kink through the location thorn hole, stranded wood pulp and polymer resin mixture, also make the shape in absorption space more firm simultaneously, avoid walking the position, be difficult for fluffy, and then further promote the lock water effect.

The invention forms a plurality of bending parts and absorbing spaces by bending the diversion absorbing layer, fixes the bending parts through the positioning puncture holes, and then locks the space structure of the absorbing space. Further, the absorption space is filled with a mixture of wood pulp and polymer resin, and the water absorption of the absorption body 300 is further improved.

In order to provide a higher comfort to the absorption body 300, a surface layer 313 is adhered to the outer side of the 1 st folded part 310 by hot melt adhesive, and one end of the absorption hole 301 passes through the surface layer 313. The comfort of the overall contact is improved by making the absorbent body 300 softer for contact with human skin by adding the facing layer 313. The surface layer 313 refers to a layer made of a fabric which is not allergic to human skin, and is usually made of a cotton material, a bamboo fiber fabric, or the like. In some embodiments, a bamboo fiber facing layer is used as facing layer 313.

In some preferred embodiments, the bottom layer 314 is a composite of a breathable film and a spunbond nonwoven.

It has been found through studies that conventional pants-type sanitary napkins tend to have leg cuffs close to each other, but tend to have the absorbent main body 300 inwardly contracted. For this purpose, in some preferred embodiments, the anterior abdominal region 100 is provided with a first elastic band 400, the first elastic band 400 having an overall U-shape, the first elastic band 400 including: a first left side 410, a first lower side 420, and a first right side 430, wherein the first left side 410 runs along the left side of the front abdominal region 100 and is connected to one end of the first lower side 420, the first lower side 420 is located at the lower side of the front abdominal region 100, the other end of the first lower side 420 is connected to the first right side 430, the first right side 430 runs along the right side of the front abdominal region 100, the first left side 410 and the first right side 430 are continuous, and the first lower side 420 is broken;

the rear hip region 200 is provided with a second elastic band 500, the second elastic band 500 is integrally in an inverted U shape, and the second elastic band 500 includes: second left side 510, first last side 520 and second right side 530, second left side 510 moves towards and is connected with the one end of first last side 520 along the left side in back buttockss enclose district 200, first last side 520 is located the last side in back buttockss enclose district 200, the other end and the second right side 530 of first last side 520 are connected, second right side 530 moves towards along the right side portion in back buttockss enclose district 200, second left side 510 and second right side 530 all are the continuity, first last side 520 is the point and cuts off the form.

The first elastic band 400 is a band-shaped structure formed by a plurality of elastic bands, and the first elastic band 400 is disposed in the anterior abdominal region 100 to generate an elastic force of inward contraction as a whole. Similarly, the second elastic band 500 is a band-shaped structure formed by a plurality of elastic bands, and the second elastic band 500 is disposed in the rear hip region 200 to generate an elastic force of inward contraction as a whole. The first bungee cord 400 runs along the left side of the front abdominal region 100 to the right side thereof, and the second bungee cord 500 runs along the left side of the rear hip region 200 to the right side thereof. In this way, when the front abdominal region 100 and the rear hip region 200 are connected to each other by hot melt adhesive bonding to form a pants shape, the first elastic band 400 and the second elastic band 500 form a force to close the leg of the sleeping pants. Therefore, the leg closing of the pyjamas can be more tightly attached.

At the same time, a snap is provided at the first lower side 420 to snap the entire first bungee band 400. A snap is provided on the first upper side 520 to snap the entire second bungee cord 500. By providing the dot-off, the elastic force of the first and second

elastic bands

400 and 500 is eliminated at the position of the absorption body 300, thereby preventing the absorption body 300 from being affected.

The first elastic band 400 and the second elastic band 500 ensure that the pants-type sanitary towel is tightly attached to the leg opening, and the absorption main body 300 is prevented from being influenced by elasticity, so that the absorption main body 300 is prevented from contracting inwards.

In some preferred embodiments, the front abdominal region 100 is comprised of three layers of spunbond water repellent nonwoven. The first elastic band 400 is arranged between two of the three layers of spun-bonded water-repellent non-woven fabrics, the front abdominal surrounding area 100 is formed by the three layers of spun-bonded water-repellent non-woven fabrics, and the strength of the front abdominal surrounding area 100 can be enhanced relative to one layer of bamboo fiber non-woven fabric, so that tearing is avoided.

In some preferred embodiments, the back hip region 200 is comprised of three layers of spunbond water repellent nonwoven. Wherein, second rubber band 500 sets up between the two-layer bamboo fibre non-woven fabrics in the non-woven fabrics is refused to the three-layer spunbonded nonwoven, refuses the non-woven fabrics through the three-layer spunbonded nonwoven and sets into back buttock area 200, and the intensity in buttock area 200 after can strengthening for one deck bamboo fibre non-woven fabrics avoids tearing.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention and its scope is defined by the claims.

Claims

1. A bamboo fiber pant-type sanitary napkin, comprising: the outer surface layer is divided into a front abdominal circumference area and a rear hip circumference area, and the side edges of the front abdominal circumference area and the rear hip circumference area are bonded and connected with each other through hot melt adhesive to form a trouser shape;

an absorption space is formed between the adjacent bent parts, the absorption space is filled with a mixture of wood pulp and high polymer resin, the positioning puncture holes sequentially penetrate through all the bent parts and the absorption space, the adjacent bent parts are adhered at the positions of the positioning puncture holes through hot pressing, the absorption space is communicated with the outer side of the 1 st bent part through the absorption holes, and the outer side surface of the n-th bent part is connected with the inner side of the outer surface layer through the bottom layer;

the surface layer is adhered to the outer side face of the 1 st bent part through hot melt adhesive, one end of the absorption hole penetrates through the surface layer, and the other end of the absorption hole penetrates through the 1 st bent part and an absorption space between the 1 st bent part and the 2 nd bent part to be communicated.

2. A bamboo fibre pant-type sanitary napkin as claimed in claim 1, wherein n is equal to 3.

3. A bamboo fiber pant-type sanitary napkin as claimed in claim 1, wherein the chassis layer is formed by combining a breathable film and a spunbond nonwoven fabric.

4. A bamboo fibre pant-type sanitary napkin as claimed in claim 3, wherein the facing layer is a bamboo fibre facing layer.

5. A bamboo-fiber pants-type sanitary napkin as claimed in claim 1, wherein said front abdominal region is provided with a first elastic band having an overall U-shape, said first elastic band comprising: the first left side edge extends along the left side part of the front abdominal region and is connected with one end of the first lower side edge, the first lower side edge is positioned at the lower side part of the front abdominal region, the other end of the first lower side edge is connected with the first right side edge, the first right side edge extends along the right side part of the front abdominal region, the first left side edge and the first right side edge are both continuous, and the first lower side edge is in a point-breaking shape;

the back buttock encloses the district and is equipped with the second elastic band, the second elastic band is whole to be the shape of falling U, the second elastic band includes: second left side, first last side and second right side, the second left side is following the left side portion trend of back buttockss enclosure and is connected with the one end of first last side, first last side is located the last side portion of back buttockss enclosure, the other end and the second right side of first last side are connected, the second right side is following the right side portion trend of back buttockss enclosure, second left side and second right side all are the continuity, first last side is the point and is disconnected the form.

6. A bamboo fibre pant-type sanitary napkin as claimed in claim 1, wherein the front abdominal region is composed of three layers of spun-bonded water-repellent nonwoven fabric.

7. A bamboo fibre pant-type sanitary napkin as claimed in claim 1, wherein the rear hip-surrounding region is composed of three layers of spun-bonded water-repellent nonwoven.