WO2018233098A1

WO2018233098A1 - One-piece undergarment and method for producing same

Info

Publication number: WO2018233098A1
Application number: PCT/CN2017/101978
Authority: WO
Inventors: 叶正瑜
Original assignee: 叶正瑜
Priority date: 2017-06-22
Filing date: 2017-09-15
Publication date: 2018-12-27
Also published as: JP3232123U; CN109105963A

Abstract

A one-piece undergarment (5) and a method for producing same. The one-piece undergarment (5) is made of a non-woven fabric material; the breast of the one-piece undergarment (5) is provided with a W-shaped rubber string or elastic film (7) for holding up female breasts; falsies (6) fitting with the female breasts is provided at the inner side of the breast of the one-piece undergarment (5) and at the upper side of the rubber string or elastic film (7); the falsies (6) comprises laminated multiple layers of air-laid paper to facilitate water absorption; during use, the rubber string or elastic film (7) holds up the breasts so that breast ptosis is avoided and a good curve shape is maintained. The one-piece undergarment (5) is beneficial to present female curve beauty and eliminates the trouble of separately wearing a bra, and thus facilitates aesthetics and is convenient to wear. The non-woven fabric is featured in breathable, safe, sanitary, and low in costs, and thus is good for disposable use. For lactating women, SAP particles are selectively added in a falsies core (10) to further promote water absorption performance.

Description

Invention name: a joint underwear and a production method thereof

Technical field

[0001] The present invention relates to the technical field of disposable undergarments, and more particularly to a disposable bodysuit and a method of producing the same.

Background technique

[0002] In the summer or in sports, women sweat more in the upper body. After sweating in ordinary cotton fiber underwear, they are in a damp state and have poor wearing comfort. The same sweat is often difficult to clean and easy to leave bacteria, which is not conducive to women's health and safety. .

[0003] In addition, women who are breast-feeding often encounter excess milk spills in their daily lives. Disposable chest pads are the first choice to solve the above problems; the existing chest pads are mostly in the form of sheets, including stacks. The water guiding layer, the water absorbing layer and the waterproof layer are disposed. The disadvantages are: the use of sputum often causes the chest pad to fall and other problems, and is inconvenient to use. The chest pad should be used in conjunction with ordinary underwear, and it is cumbersome to wear.

[0004] On the beach, such as sunbathing, there is a great demand for disposable underwear, and the existing disposable underwear is cotton fiber underwear, which has high cost and poor elasticity, which is not conducive to female shaping.

technical problem

[0005] The technical problem to be solved by the present invention is to provide a connected underwear which is simple in structure, convenient to use, and hygienic, and a production method thereof.

Problem solution

Technical solution

[0006] In order to solve the above technical problem, the invention provides a connected underwear, comprising: the connected underwear adopts a non-woven material, and the front chest of the connected underwear is provided with a W-shaped distribution for lifting the breast. An elastic or shrink film. The one-piece underwear is used as a disposable underwear, and can be used as a swimsuit, a beach sunbathing, and the like.

[0007] In order to improve the water absorption performance of the chest, a chest pad for engaging the female breast is provided on the inner side of the front chest of the connected underwear and on the upper side of the first elastic band or the shrink film; the chest pad includes a laminate setting Multi-layer dust-free paper. Multi-layer dust-free paper is hot-formed into a spherical shape; the connected underwear is made of elastic non-woven fabric, or a non-woven fabric containing elastic spandex. The outer layer of the chest pad may also be provided with a water repellent film or a breathable water repellent film to prevent water from overflowing. The chest pad is bonded to the chest on the inner side of the underwear, or the chest pad is fixed between the two layers of the non-woven fabric of the underwear.

[0008] In order to further improve the water absorption performance of the chest pad, another solution is to provide a chest for the female breast in the inner side of the front chest of the body underwear and on the upper side of the first elastic band or the shrink film. The pad comprises: a cut-shaped chest pad core body; the chest pad core is provided with a non-woven fabric on both inner and outer sides, and the inner and outer non-woven fabrics are welded along the circumference of the chest pad core . The outer layer of the chest pad may also be provided with a water repellent film or a breathable water repellent film to prevent water from overflowing. The chest pad is bonded to the chest on the inner side of the underwear, or the chest pad is fixed between the two layers of nonwoven fabric constituting the underwear.

[0009] the chest pad core includes a left and right chest pad region, and an intermediate piece region connected between the left and right chest pad regions; a center line along the length direction of the chest pad core on the intermediate piece region A through hole is symmetrically disposed on both sides; after the chest pad core is folded in the center line, the non-woven fabrics on both sides of the through hole are welded and connected. The area between the left and right chest gasket areas effectively absorbs the milk and reduces the number of replacements of the disposable underwear, making the disposable underwear suitable for night use.

[0010] Further, the outer edge of the intermediate piece along the two sides of the center line has a concave arc shape to facilitate the formation of the chest pad, which is favorable for forming a bra shape.

[0011] Further, a shrink film or an elastic elastic band is formed between the two nonwoven fabric layers adjacent to both ends of the chest pad core, and the longitudinal direction of the shrink film or the elastic elastic band is perpendicular to the center line. Using 吋, the elastic rubber band shrinks, making the shape of the chest pad more three-dimensional, and the left chest gasket area and the right chest gasket area are more closely attached to the breast.

[0012] Further, the whole or partial structure of the chest pad core body comprises: comprising at least one layer of nitrile cotton, a non-woven fabric or a sponge, embedded in the fiber gap of the nitrile cotton or the non-woven fabric, or embedded in the void of the sponge Polymer water absorbing resin particles. Further, adjacent voids of the sponge communicate with each other such that the polymer water absorbing resin particles are free to move freely in the pores of the sponge. Further, the fiber gap size of the nitrile cotton or the nonwoven fabric is adapted to allow the polymer water absorbing resin particles to be freely movable in the fiber gap of the nitrile cotton and/or the nonwoven fabric.

[0013] Further, the polymer water absorbing resin particles greatly improve the water absorbing property, and are further suitable for use by women during lactation.

[0014] Further, as an alternative to the chest pad core, the chest pad core comprises a dust-free paper, and / Or a toilet paper, and/or a fluff pulp layer, the clear cotton, non-woven fabric or sponge being between two or more layers of dust-free paper or fluff pulp, or between dust-free paper and toilet paper. The chest pad core has a better water absorption effect than the structure using only a plurality of layers of dust-free paper, and is suitable for summer or sports occasions.

[0015] Further, the connected underwear adopts at least two layers of non-woven fabrics, and a plurality of rubber bands or shrink films for the body between the two layers of non-woven fabrics are laterally distributed on the chest of the connected underwear and The following areas. The first rubber band or shrink film is also between the two layers of nonwoven fabric.

[0016] Further, the two layers of the non-woven fabric of the two shoulder straps of the connected underwear are provided with a pair of second elastic or shrinking film distributed in an omega shape; the head of the second elastic or shrinking film is symmetric Intersecting, the intersection portion corresponds to the neckline of the connected underwear, and the remaining portion of the second elastic band or the shrink film is distributed along the extending direction of the shoulder straps of the connected underwear; the two ends of the second elastic band or the shrink film are respectively The two ends of the first elastic band or the shrink film intersect, so that the first and second elastic bands or the shrink film are integrated into one body, thereby connecting the chest pad, further avoiding the sagging of the breast and maintaining a good curve shape. The shrink film is a heat-shrinkable polyester film which is stable at a normal temperature and is heated to shrink (above the glass transition temperature).

[0017] The method for producing the above-mentioned connected underwear includes:

[0018] A, laying a first elastic or shrink film in a W-shaped distribution on the flat bottom nonwoven fabric (preferably, the first elastic or shrink film is coated with glue to facilitate fixing), and a pair of adjacent sides of the first elastic band or the shrink film, and a pair of second rubber bands or shrink films having a symmetrical distribution of the heads symmetrically distributed;

[0019] B on the underlying nonwoven fabric to cover and bond another layer of the same size of the upper layer of non-woven fabric;

[0020] C, the center line along the length direction of the nonwoven fabric is folded and tiling, and then the upper and lower edges of the upper layer and the bottom layer of the nonwoven fabric are heat-sealed;

[0021] D, cutting the second elastic or the outer side of the shrink film of the non-woven fabric, while cutting the corners of the crotch of the connected underwear, wherein the center of the corresponding edge is obtained at the center of the underwear collar, The sides of the neckline of the one-piece underwear are connected to the shoulders of the connected underwear, and the corners of the pants form the trousers. Said steps C and D can be carried out simultaneously.

[0022] a protective pad is adhered to the inner side of the crotch of the underwear, and the pad is a multi-layer non-woven fabric; optionally, a multi-layer non-dusting paper is disposed in the multi-layer non-woven fabric to enhance suction Liquid properties. Optionally, a water-repellent and breathable film is placed on the bottom layer of the pad to prevent water from overflowing.

Advantageous effects of the invention

Beneficial effect Technical effects of the invention: (1) The connected underwear of the present invention has a W-shaped elastic band or a shrink film for holding up the breast, avoiding the sagging of the breast and maintaining a good curve shape, which is favorable for shaping The female curves are beautiful, and the same troubles are avoided in wearing a bra alone, which is both aesthetically pleasing and easy to wear. As a disposable underwear, it can be used as a swimsuit, beach sunbathing, etc. The underwear is made of non-woven fabric, or elastic non-woven fabric, or non-woven fabric containing elastic spandex yarn, which is suitable for shaping the female body; compared with the underwear of the prior art, the non-woven fabric has good air permeability, safety and hygiene. Low cost and other characteristics, it is conducive to one-time use; a number of elastic rubber bands or shrink film are distributed laterally in the chest and below of the underwear, further conducive to body, shape, and help to shape the female curve. The two layers of non-woven fabric of the two shoulder straps of the one-piece underwear are provided with a second elastic band or a shrink film distributed along the extending direction of the shoulder strap, and the two ends of each second elastic band or the shrink film respectively are respectively contracted with the first elastic band or The two ends of the film intersect, so that the first and second elastic bands or the shrink film are integrated into one body, thereby connecting the chest pad, further avoiding the sagging of the breast and maintaining a good curve shape. (2) the chest pad core body; the non-woven layer on both sides of the pair of through holes in the middle piece region is welded and connected, and the chest pad is used to form a curved surface, and the middle portion forms a curved surface facing away from each other. Conducive to the cooperation with the human breast. At the same time, a shrink film or an elastic elastic band is fixedly disposed at two ends of the chest pad core, and is perpendicular to the center line, so as to form a symmetrical concave arc on both sides of the chest pad, thereby forming a pair of bowl-shaped bodies. Conducive to the fit of the human breast, improve user comfort and aesthetics; In addition, for lactating women, avoid milk spillage. (3) The chest pad having the novel absorbent layer of the present invention, the SAP particles are embedded in the interfiber space of the nitrile cotton or the nonwoven fabric, or in the voids of the sponge, so that the polymer water absorbing resin particles (ie, : SAP) Dispersion distribution, unable to agglomerate after water absorption, makes each SAP particle suitable for fully absorbing water, which can greatly improve the water absorption efficiency of SAP; SAP can not agglomerate, so that the thickness of the product saturated with water is less increased, so The softness of the product can be improved, thereby improving the comfort of the user; the clear cotton, non-woven fabric or sponge is placed between the two layers of dust-free paper to prevent the SAP particles from overflowing. After water absorption, the use surface of the chest pad of the present invention is much drier compared to the core of the mixed polymer of the fluff pulp and the core of the dust-free paper mixed polymer in the prior art, and the chest pad of the present invention absorbs water. The surface of the product has no graininess and is therefore more comfortable to use. The SAP particles are adapted to move freely in the interstices of the nitrile cotton and/or non-woven fabric, or in the voids of the sponge, ie the SAP can be floated in a controlled range as designed to facilitate the absorption of the SAP particles during the absorption process. It is suitable for floating and makes the SAP evenly distributed in the absorbent layer after absorbing water.

Brief description of the drawing DRAWINGS

[0024] The present invention will be further described in detail below with reference to the accompanying drawings:

1 is a schematic view showing the outer structure of a connected underwear according to Embodiment 1 of the present invention;

2 is a schematic view showing the outer structure of a connected underwear in Embodiment 2-3;

3 is a schematic view of the chest pad core body in the third embodiment after cutting and forming; [0027] FIG.

4 is a schematic view of a chest pad in Example 3. FIG.

5 is a view showing the first, second elastic or shrink film laid on the tiled underlayer nonwoven fabric in Examples 1-3; [0029] FIG.

6 is a schematic view showing further laying of a second elastic band or a shrink film on the basis of FIG. 5;

[0031] FIG. 7 is a schematic view showing further laying of a third elastic band or shrink film on the basis of FIG. 6;

8 is a schematic view of the semi-finished product of FIG. 6 folded and laid flat along the center line of the longitudinal direction of the nonwoven fabric.

[0033] FIG. 9 is a schematic view showing further laying of a third elastic band or a shrink film and a chest pad on the basis of FIG. 6;

10 is a schematic view showing the semi-finished product of FIG. 9 folded in half along the center line in the longitudinal direction of the nonwoven fabric, and after being folded, the chest pad is on the inner side;

11 is a schematic view of the semi-finished product of FIG. 10 after cutting the nonwoven fabric along the outer side of the second elastic band or shrink film 9; [0035] FIG.

[0036] In the figure: left chest gasket area 1, right chest gasket area 2, intermediate sheet area 3, through hole 4, connected underwear 5, neckline 50, shoulder strap 51, leg cuff 52, chest pad 6, first Elastic or shrink film 7, third elastic or shrink film 8, second elastic or shrink film 9, head 91, remaining portion 92, chest pad core 10.

Embodiments of the invention

Embodiment 1

[0038] As shown in FIG. 1, the connected underwear of the present embodiment includes a connected underwear 5 using at least two layers of non-woven materials, and a W-shaped distribution on the front chest of the connected underwear 5 for lifting up. The first elastic or contraction membrane of a woman's breasts 7. The first elastic band or shrink film 7 is bonded between the two layers of the nonwoven fabric.

[0039] The cover underwear is preferably an elastic non-woven fabric or a non-woven fabric containing elastic spandex.

[0040] a plurality of third rubber bands or shrink films 8 bonded to the two layers of the nonwoven fabric are laterally distributed in the The chest and the following areas of the connected underwear.

[0041] The two layers of the nonwoven fabric of the two shoulder straps 51 of the connected underwear 5 are provided with a pair of second elastic or shrink film 9 distributed in an omega shape; the head of the pair of second elastic or shrink film 9 The portions 91 are symmetrically intersected, the intersection portion corresponds to the neckline 50 of the connected underwear, and the remaining portion 92 of the second elastic band or the shrink film is respectively distributed along the extending direction of the shoulder straps 51 of the connected underwear; each second elastic band Or both ends of the shrink film 9 intersect with both end portions of the first elastic band or the shrink film 7, respectively.

[0042] As shown in FIG. 1 and FIG. 5 to 8, the method for producing the above-mentioned connected underwear includes:

[0043] A, laying a first elastic or shrink film in a W-shaped distribution on the tiled underlayer nonwoven fabric (preferably, the first elastic or shrink film is coated with glue for facilitating fixation), and a pair of adjacent sides of the first elastic band or the shrink film, and a pair of second rubber bands or shrink films having a symmetrical distribution of the heads symmetrically distributed;

[0044] B. aligning and bonding at least one layer of the upper layer nonwoven fabric of the same size on the bottom nonwoven fabric; [0045] C, folding and tiling along the center line of the length direction of the nonwoven fabric Then, according to the size requirements of the connected underwear, the upper and lower sides of the upper layer and the bottom layer are heat-sealed; the heat seal can be sealed by a heat sealer, or can be heat sealed by ultrasonic welding or ultrasonic heat sealing equipment.

[0046] D, cutting the non-woven fabric on the outer side of the second elastic or shrink film, and cutting the corners of the pants to obtain the connected underwear 5, wherein the collars of the connected underwear are respectively obtained at the center of the corresponding edges. In the neckline of the piece of underwear

On both sides of the 50, the shoulders of the connected underwear are obtained, and the corners of the cut pants form the trousers 52, that is, the connected underwear shown in Fig. 1 is obtained. Said steps C and D can be carried out simultaneously.

[0047] The shrink film is a heat-shrinkable polyester film which is stable at a normal temperature and is heated to shrink (above the glass transition temperature).

[0048] a protective pad is adhered to the inner side of the crotch of the underwear, and the pad is a multi-layer non-woven fabric; optionally, a multi-layer non-dusting paper is disposed in the multi-layer non-woven fabric to enhance suction Liquid properties.

Example 2

[0050] On the basis of Embodiment 1, this embodiment has the following modifications:

[0051] As shown in FIG. 2, the chest inner side of the front undergarment 5 and the upper side of the first elastic band or the shrink film 7 are provided with a chest pad 6 for mating with a female breast; the chest pad 6 includes a stack Multi-layer dust-free paper provided in layers, optionally, multi-layer dust-free paper is hot-pressed into a spherical shape; chest pad 6 is adhered to the chest on the inner side of the underwear, or is fixed on two layers constituting the underwear 5 Between non-woven fabrics. [0052] The dust-free paper has better hygroscopicity and is beneficial for women in summer or sports.

[0053] As shown in FIG. 2, FIG. 5-6, and FIG. 9-11, the method for producing the above-mentioned connected underwear includes:

[0054] A, laying a first elastic or shrink film in a W-shaped distribution on the flat bottom nonwoven fabric (preferably, the first elastic or shrink film is coated with glue to facilitate fixing), and a pair of adjacent sides of the first elastic band or the shrink film, and a pair of second rubber bands or shrink films having a symmetrical distribution of the heads symmetrically distributed;

[0055] B, covering and adhering another layer of the same size of the upper layer nonwoven fabric on the bottom nonwoven fabric; [0056] C, providing a chest pad to the first elastic or shrink film side;

[0057] D, the center line along the longitudinal direction of the nonwoven fabric is folded and tiling, and then the both sides of the upper and lower nonwoven fabrics are heat-sealed along both sides in the longitudinal direction of the nonwoven fabric. Connected; the same side heat seals the bottom edges of the upper and lower nonwoven fabrics;

[0058] E, cutting the non-woven fabric on the outer side of the second elastic or shrink film, and simultaneously cutting the corners of the crotch of the connected underwear, wherein the collar of the connected underwear is respectively obtained at the center of the corresponding edge, The sides of the neckline of the one-piece underwear are obtained from the shoulders of the joint underwear, that is, the connected underwear shown in FIG. 11 is obtained, and the corners of the pants are formed into the trousers; after the elastic or shrink film is contracted, the joint body as shown in FIG. 2 is formed. underwear.

[0059] The steps E and D can be performed simultaneously.

Embodiment 3

[0061] On the basis of Embodiment 1, this embodiment has the following modifications:

As shown in FIGS. 2-4, a chest pad 6 for engaging with a female breast is provided on the inner side of the underwear 5 and on the upper side of the first elastic or shrink film.

[0063] The chest pad 6 includes: a cut-formed chest pad core 10; a chest pad core 10 is disposed between the two layers of non-woven fabrics of the chest pad 6, adjacent to the chest pad core, The non-woven fabrics 7 on both sides are welded together; the chest pad 6 is bonded to the chest on the inner side of the connected underwear 5, or is fixed between the two layers of non-woven fabrics constituting the connected underwear.

[0064] The chest pad core 10 includes a left and right chest gasket region, and an intermediate panel region 3 connected between the left and right chest gasket regions; and the intermediate panel region 3 along the length of the chest pad core The through hole 4 is symmetrically disposed on both sides of the center line AA; after the chest pad core 10 is folded in the center line A-A, the two layers of the nonwoven fabric on both sides of the through hole 4 are welded and connected. The area between the left and right chest gasket areas can effectively absorb sweat or milk, reducing the number of replacements of the chest pad, making the disposable underwear more suitable for lactating women to rest at night.

[0065] the outer edge of the intermediate piece 3 along the two sides of the center line AA has a concave curved shape for convenience The chest pad is formed to facilitate the formation of a bra.

[0066] The overall or partial structure of the chest pad core body 10 is: including at least one layer of nitrile cotton, non-woven fabric or sponge, embedded in the fiber gap of the nitrile cotton or the non-woven fabric, or embedded in the void of the sponge. Molecular water absorbing resin particles to greatly improve water absorption. Adjacent voids of the sponge communicate with each other such that the polymeric water absorbing resin particles are adapted to freely move in the pores of the sponge. The fiber gap size in the nitrile cotton or the nonwoven fabric is adapted to allow the polymer water absorbing resin particles to be freely movable in the fiber gap of the nitrile cotton and/or the nonwoven fabric.

[0067] The method for producing the above-mentioned connected underwear includes:

[0068] A, laying a first elastic or shrink film in a W-shaped distribution on the flat bottom nonwoven fabric (preferably, the first elastic or shrink film is coated with glue to facilitate fixing), and a pair of adjacent sides of the first elastic band or the shrink film, and a pair of second rubber bands or shrink films having a symmetrical distribution of the heads symmetrically distributed;

[0069] B, aligning on the underlying nonwoven fabric to cover and bond another layer of the same size of the upper nonwoven fabric;

[0070] C, the chest pad is disposed on one side of the first elastic or shrink film;

[0071] D. The center line along the longitudinal direction of the nonwoven fabric is folded and lapped, and then the both sides of the upper and lower nonwoven fabrics are heat-sealed along both sides in the longitudinal direction of the nonwoven fabric. Connected; the same side heat seals the bottom edges of the upper and lower nonwoven fabrics;

[0072] E, cutting the non-woven fabric on the outer side of the second elastic or shrink film, and cutting the corners of the crotch of the connected underwear, wherein the collar of the connected underwear is respectively obtained at the center of the corresponding edge, The sides of the neckline of the one-piece underwear are connected to the shoulders of the connected underwear, and the corners of the pants are formed into the trousers, that is, the connected underwear is obtained. Said steps E and D can be carried out simultaneously.

Example 4

[0074] This embodiment has the following modifications on the basis of Embodiment 3:

[0075] A shrink film or an elastic elastic band 8 in a contracted state is fixed between the two layers of the nonwoven fabric adjacent to both ends of the chest pad core, and the longitudinal direction of the shrink film or the elastic elastic band 8 is perpendicular to the center line AA. With the 吋, the shrinkage of the shrink film or the elastic elastic band ₈ makes the shape of the chest pad core more stereoscopic, and the left chest gasket area and the right chest gasket area are more closely attached to the breast.

Example 5

[0077] This embodiment has one of the following modifications based on one of Embodiments 2-3:

[0078] As an alternative to the chest pad core, the chest pad core comprises a dust-free paper, and/or a toilet paper And/or a fluff pulp layer, the clear cotton, non-woven fabric or sponge being between two or more layers of dust-free paper or fluff pulp, or between dust-free paper and toilet paper. The chest pad core has a better water absorption effect than the structure using only a plurality of layers of dust-free paper, and is suitable for summer or sports occasions.

It is apparent that the above-described embodiments are merely illustrative of the invention and are not intended to limit the embodiments of the invention. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Obvious changes or variations which come within the spirit of the invention are still within the scope of the invention.

Claims

Claim

A connected underwear characterized in that: the connected underwear is made of a non-woven material, and the front chest of the connected underwear is provided with a first rubber band or a shrink film which is distributed in a w shape for lifting a woman's breast. .

The connected underwear according to claim 1, wherein a chest pad for engaging the female breast is provided on the inner side of the front chest of the underwear and on the upper side of the first elastic or shrink film; The mat comprises a plurality of layers of non-dusting paper disposed in a stack; the chest pad is bonded to the chest on the inner side of the connected underwear, or is fixed between the two layers of non-woven fabrics constituting the connected underwear.

The connected underwear according to claim 1, wherein a chest pad for engaging the female breast is provided on the inner side of the front chest of the underwear and on the upper side of the first elastic or shrink film; The pad comprises: a cut-shaped chest pad core body; the chest pad core has a non-woven fabric on both inner and outer sides, and the inner and outer non-woven fabrics are welded along the circumference of the chest pad core body; the chest pad is bonded a connected underwear according to claim 3, wherein the chest pad core includes left and right sides, or a two-layer non-woven fabric constituting the connected underwear. a chest gasket area, and an intermediate piece area connected between the left and right chest gasket regions; a through hole (4) is symmetrically arranged on the middle piece along the center line (AA) of the chest pad core length direction;

After the chest pad core is folded in half along the center line (A-A), the nonwoven fabrics on both sides of the through hole are welded and joined.

The connected underwear according to claim 4, wherein a shrink film or an elastic elastic band is formed between the two layers of the nonwoven fabric layer adjacent to the two ends of the chest pad core. , the length direction of the shrink film or the elastic elastic band is perpendicular to the center line (AA)

[Claim 6] The connected underwear according to claim 4 or 5, wherein the chest pad core has a whole or partial structure: comprising at least one layer of nitrile cotton, a non-woven fabric or a sponge, in the nitrile a polymer water absorbing resin particle embedded in a fiber gap of the cotton or the nonwoven fabric or in a void of the sponge; Adjacent voids of the sponge communicate with each other such that the polymeric water absorbing resin particles are adapted to move freely in the pores of the sponge; the fiber gap size of the nitrile cotton or the nonwoven fabric is suitable for the polymer water absorbing resin The granules are adapted to move freely in the interstices of the nitrile cotton and/or nonwoven fabric.

[Claim 7] The connected underwear according to claim 4 or 5, wherein the chest pad core comprises a dust-free paper, and/or a toilet paper, and/or a fluff pulp layer, the clear cotton, The nonwoven or sponge is between two or more layers of dust-free paper or fluff pulp, or between clean paper and toilet paper.

[Claim 8] The connected underwear according to any one of claims 1 to 5, wherein the connected underwear has at least two layers of non-woven fabric, and a plurality of layers between the two layers of non-woven fabrics The third elastic or shrink film used is laterally distributed in the chest and below of the connected underwear; the first elastic or shrink film is also between the two nonwoven fabrics.

[Claim 9] The connected underwear according to any one of claims 1 to 5, wherein a pair of non-woven fabrics of the shoulder straps of the connected underwear are provided with a pair of second oaks distributed in an omega shape a rib or a shrink film; the pair of the second elastic band or the contraction film symmetry intersects, the intersection portion corresponds to the neckline of the connected underwear, and the second elastic band or the remaining portion of the shrink film respectively follows the two of the connected underwear The shoulder strap extends in the direction of extension;

The ends of each of the second elastic or shrink film respectively intersect the two ends of the first elastic or shrink film

[Claim 10] The method for producing a connected underwear according to claim 1, comprising:

A. laying a first elastic or shrink film distributed in a W shape on the flat bottom nonwoven fabric, and laying a pair of heads symmetrically intersecting on the adjacent side of the first elastic or shrink film a second elastic or shrink film distributed in an omega shape;

B. aligning and bonding at least one layer of the upper nonwoven fabric of the same size on the bottom nonwoven fabric;

C. Folding and tiling along the center line of the length direction of the non-woven fabric, and then heat-sealing the sides of the upper layer and the bottom layer nonwoven fabric and the center of the bottom edge;

D. Cutting the non-woven fabric on the outer side of the second elastic band or the shrink film, and cutting the corners of the pants to obtain the connected underwear.