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A Boneless Bra Hemming Process

A boneless, edge-wrapped technology, applied in bras, adhesive types, polyurea/polyurethane adhesives, etc., which can solve the problems of poor bearing force, weak adhesion, and low standing cotton density. , to achieve the effect of improving comfort, aesthetics, and high elasticity

Active Publication Date: 2017-07-14
HONGJI UNDERWEAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the erect cotton has low density, poor supporting force and high thickness. Therefore, after pressing, there is a thicker cross-section at the edge of the bra, which seriously affects the aesthetics of the bra underwear. Pressed tightly, the edge of the press is prone to detachment
[0006] For this reason, hemming needs to be added. The traditional method is still sewing hemming, and the problem of strangulation still exists; if the bonding hemming is used, the adhesion is not firm and the hemming effect is not good

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] A boneless bra hemming process mainly includes the following steps:

[0074] A. Cutting to obtain the mold cup sponge outer layer cut piece, the upright cotton middle layer cut piece, and the sponge inner layer cut piece.

[0075] B. Apply a layer of environmental protection glue to the connecting surface of the sponge outer layer cut piece, the standing cotton middle layer cut piece and the sponge inner layer cut piece, and preheat and press to bond it into a mold cup cotton core. The preheating temperature in step B is 80° C., the hot pressing pressure is 2 Pa, and the time is 10 s.

[0076] C. Apply a layer of environmental protection glue on both surfaces of the mold cup cotton core. The outer surface of the mold cup cotton core is attached to the surface layer of the mold cup, and the inner surface of the mold cup cotton core is attached to the skin-friendly layer.

[0077] D. Hot-press molding the molded cup bonded in step C to obtain a three-dimensional molded c...

Embodiment 2

[0106] A boneless bra hemming process mainly includes the following steps:

[0107] A. Cutting to obtain the mold cup sponge outer layer cut piece, the upright cotton middle layer cut piece, and the sponge inner layer cut piece.

[0108] B. Apply a layer of environmental protection glue to the connecting surface of the sponge outer layer cut piece, the standing cotton middle layer cut piece and the sponge inner layer cut piece, and preheat and press to bond it into a mold cup cotton core.

[0109] C. Apply a layer of environmental protection glue on both surfaces of the mold cup cotton core. The outer surface of the mold cup cotton core is attached to the surface layer of the mold cup, and the inner surface of the mold cup cotton core is attached to the skin-friendly layer.

[0110] D. Hot-press molding the molded cup bonded in step C to obtain a three-dimensional molded cup.

[0111] E. Cover the side of the three-dimensional mold cup with hemming strips, the inner edge of t...

Embodiment 3

[0143] A boneless bra hemming process mainly includes the following steps:

[0144] A. Cutting to obtain the mold cup sponge outer layer cut piece, the upright cotton middle layer cut piece, and the sponge inner layer cut piece.

[0145] B. Apply a layer of environmental protection glue to the connecting surface of the sponge outer layer cut piece, the standing cotton middle layer cut piece and the sponge inner layer cut piece, and preheat and press to bond it into a mold cup cotton core.

[0146] C. Apply a layer of environmental protection glue on both surfaces of the mold cup cotton core. The outer surface of the mold cup cotton core is attached to the surface layer of the mold cup, and the inner surface of the mold cup cotton core is attached to the skin-friendly layer.

[0147] D. Hot-press molding the molded cup bonded in step C to obtain a three-dimensional molded cup.

[0148] E. Cover the side of the three-dimensional mold cup with hemming strips, the inner edge of t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

The invention relates to the technical field of woman brassiere underwear manufacturing, in particular to a hemming technology for a brassiere with no frame. The technology mainly comprises the following steps that A, mold cup sponge outer-layer cutting pieces, vertical cotton middle-layer cutting pieces and sponge inner-layer cutting pieces are obtained through cutting; B, the connecting faces of the sponge outer-layer cutting pieces, the vertical cotton middle-layer cutting pieces and the sponge inner-layer cutting pieces are coated with a layer of environment-friendly adhesive, preheating pressing bonding is performed to obtain a mold cup cotton core; C, the two surfaces of the mold cup cotton core are each coated with a layer of environment-friendly adhesive, the outer surface of the mold cup cotton core is attached to the mold cup surface layer, and a skin-friendly layer is attached to the inner surface of the mold cup cotton core; D, hot press molding is performed on a mold cup obtained through attaching in the step C to obtain a three-dimensional mold cup; E, the side edges of the three-dimensional mold cup are wrapped with hemming strips, hems on the inner side of the three-dimensional mold cup are sewn and fixed through a seamless hemming sewing machine, outer hems of the three-dimensional mold cup are attached through adhesive film hot-pressing, and finally the brassiere mold cup is used for sewing a brassiere. The brassiere has the advantages that the hemming effect is good, the wear comfort is high, and the aesthetic effect is excellent.

Description

technical field [0001] The invention relates to the technical field of manufacturing women's bras and underwear, in particular to a boneless bra hemming process. Background technique [0002] Women's bras have always been a must-have for every woman, and they are a close-fitting item that accompanies women almost every day. With the development of society, the improvement of people's living standard. For contemporary women, bras and underwear not only provide functional bras and underwear, but also attract more and more attention from women for their aesthetics and comfort. [0003] The hemming of traditional bras and underwear is sewn by sewing machines. Because the lines sewn by sewing machines are almost inelastic, the hemming of bras is easy to cause strangulation marks on the wearer's chest due to the lack of elasticity, which greatly improves the comfort. reduce. Traditional underwear usually needs to add a steel support to improve the supporting force, which furthe...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A41C5/00C09J191/00C09J175/04C09J11/06
CPCA41C5/00C08L2205/03C09J11/06C09J11/08C09J191/00C08L75/04C08L93/04
Inventor 黄福开金华黄忠诚罗锐翁创杰翁宏果
Owner HONGJI UNDERWEAR CO LTD
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