CN111838784A - Underwear cup with multilayer structure and manufacturing method thereof - Google Patents
Underwear cup with multilayer structure and manufacturing method thereof Download PDFInfo
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- CN111838784A CN111838784A CN202010894902.XA CN202010894902A CN111838784A CN 111838784 A CN111838784 A CN 111838784A CN 202010894902 A CN202010894902 A CN 202010894902A CN 111838784 A CN111838784 A CN 111838784A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C3/00—Brassieres
- A41C3/12—Component parts
- A41C3/14—Stiffening or bust-forming inserts
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C5/00—Machines, appliances, or methods for manufacturing corsets or brassieres
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Abstract
The invention discloses an underwear cup with a multilayer structure, which adopts a structure of a fabric fiber composite layer, namely an adhesive layer, a silicon fiber layer, an adhesive layer and a fabric fiber composite layer, wherein the fabric fiber composite layer ensures that the underwear cup has the advantages of smooth and soft fabric, good hand feeling, comfortable wearing and the like besides the advantages of air permeability, water washing resistance, difficult deformation, no wrinkle in water washing and the like. In addition, the invention also provides a manufacturing method of the underwear cup.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of underwear manufacturing, in particular to underwear cups with a multi-layer structure and a manufacturing method thereof.
[ background of the invention ]
Bras, the women's underwear, as the daily indispensable dress of contemporary women, it has decorative and functional concurrently. Decorative needless to say, the most important embodiment of its functionality is exactly to the bearing of chest with gather together the effect, only a simple cloth can't play good bearing and gather together the effect, so the cup of brassiere must be provided with the supporter (cup inside lining or cup intermediate layer promptly), plays good bearing and gathers together the effect through the supporter. The support that previous brassiere cup chooseed for use is sponge material basically, however, along with the development of society and people to the improvement of healthy cognition, people know the sponge gas permeability poor gradually, breed the bacterium easily, have shortcoming such as volatility and can influence the health of women's chest. Some inferior sponges have great toxicity, which can easily cause female breast diseases and even cancers.
Therefore, in recent years, the industry has been searching for other alternative materials, in which upright cotton (a general term for synthetic fibers or plant fibers) as a novel underwear material with strong air permeability and capable of replacing sponge is also gradually applied and popularized in a large scale. The upright cotton is taken as a fiber material, and the specific filamentous fiber structure of the upright cotton endows the underwear cups with good air permeability, but the fiber structure also makes the material difficult to shape, the underwear cups are easy to shift and loosen after being kneaded, particularly washed by water, so that the underwear cups deform, the surface cloth wrinkles on light people, the underwear cups collapse on heavy people and the like. The Chinese patent 'an underwear cup and a manufacturing method thereof', publication No. CN110638118A, publication No. 2020.01.03, which is formed by bonding and compounding a fabric layer (mostly common cloth) and silicon fibers through impressing liquid silica gel, because the silicon fibers have good air permeability, rebound resilience and structural stability, the underwear cup is almost perfect in collapse, wrinkle and environmental protection, and because the common cloth is used, the raw material source is wide and can be spliced randomly, the underwear cup has a very large commercial application prospect, and the underwear cup has also entered a batch industrialization stage.
However, the patent also has some problems, especially the conversion implementation of the patent, that is, the manufacturing process of the patent is relatively problematic. Because the fabric layer selected by the fabric is the fabric with the thickness of less than 1mm, some fabric folding or bubbling phenomena can exist when the cup matrix with two surfaces attached with the elastic glue is placed between the two fabrics and is subjected to one-step hot press forming through a cup mold, the scheme of firstly attaching the fabric on silicon fiber brushed with the glue (namely, the cup matrix attached with the elastic glue) and then carrying out hot press forming is mostly adopted in reality, although the operation avoids the obvious folding and bubbling phenomena, the operation fatigue can be generated for a long time, and the operation fatigue also does not accord with the requirements of comprehensive industrialization.
In addition, this patent is because on the cup base member (being silicon fiber) two sides of directly attaching the elasticity glue of cloth, can lead to cloth and cup base member binding face to form the latticed glued membrane of one deck like this, and this layer glued membrane can become hard after hot briquetting, though washing back cup non-deformable collapses but can make the cup feel the variation, also can appear some slight lines after washing the number of times is many, influences beautifully.
In summary, the present invention should be developed.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art, and provides an underwear cup with a multilayer structure, which adopts a structure of a fabric fiber composite layer, namely an adhesive layer, a silicon fiber layer, an adhesive layer and a fabric fiber composite layer, wherein the fabric fiber composite layer ensures that the underwear cup has the advantages of smooth and soft fabric, good hand feeling, comfortable wearing and the like besides the advantages of air permeability, water washing resistance, difficult deformation, no wrinkle in water washing and the like, and the underwear cup is simple in integral structure, low in cost and suitable for wide popularization and application in the industry.
The invention is realized by the following technical scheme:
an underwear cup with multilayer structure which characterized in that: the fabric fiber composite layer and the silicon fiber layer form a compressed grid structure near the adhesive layer.
The underwear cup with the multilayer structure is characterized in that the fabric fiber composite layer comprises a fabric layer, a rubber net layer and a fiber layer.
The underwear cup with the multilayer structure is characterized in that the thickness of the fiber layer is 1-10 mm.
The underwear cup with the multilayer structure as described above, characterized in that the fiber layer is a silicon fiber layer or an upright cotton layer.
The underwear cup with multi-layer structure as described above, characterized in that the glue content of the said adhesive layer is smaller than the glue content of the adhesive layer.
The underwear cup with multi-layer structure is characterized in that the fiber density of the silicon fiber layer is less than that of the fabric fiber composite layer.
The underwear cup with the multilayer structure is characterized in that the elastic glue content of the glue layer is 2-10 g per pair of cups.
The underwear cup with the multilayer structure is characterized in that the elastic glue content of the underwear cup is 8-25 g per pair of cups.
The invention also provides a manufacturing method of the underwear cup, which comprises the following steps:
A. manufacturing a fabric fiber composite layer: firstly processing fiber materials into sheets, coating liquid elastic glue on the fabric, covering the fiber materials on the fabric, and then heating and forming;
B. manufacturing a cup substrate: die-cutting the silicon fiber material into cup shapes to obtain cup matrixes;
C. imprinting the liquid elastic glue: compressing the cup substrate to below half of the original thickness through a silk screen to enable the cup substrate to be tightly attached to the silk screen, then silk-printing liquid elastic glue, loosening the silk screen after silk-printing, and then stamping the other side of the cup substrate in the same way to obtain the cup substrate with two sides attached with the elastic glue;
D. hot press forming and trimming: and attaching the fiber surface of the fabric fiber composite layer to a cup substrate stained with elastic glue, performing one-step hot press molding through a cup mold, cutting and trimming to obtain the underwear cup with the multilayer structure.
The method for manufacturing the underwear cup with the multilayer structure is characterized in that a layer of viscose glue is printed on the fiber surface of the fabric fiber composite layer before the step D of hot press molding.
Compared with the prior art, the invention has the beneficial effects that:
1. the underwear cup of the invention adopts the fabric fiber composite layer to be adhered with the silicon fiber cup substrate, the fabric fiber composite layer and the silicon fiber layer form a compact grid structure near the adhesive layer, so that the underwear cup can generate dislocation with the fabric fiber composite layer and the silicon fiber layer under the action of external force, the structure is similar to the underwear cup of sandwich cloth, the material after washing can not deform and wrinkle, the air permeability and the structural stability of the cup can be kept, the hand feeling is very good, the sandwich cloth with high cost and complex structure and knitting process can be completely replaced, and the underwear cup has stable structure, good elasticity, light texture, comfortable wearing and wide application in industry.
2. The underwear cup of the invention adopts the design of the fabric fiber composite layer, compared with the skill required by the common cloth stuck on the cup substrate, the operability is greatly enhanced, the phenomena of folding and bubbling of the cloth are avoided, the working efficiency is greatly improved, and the road is paved for the mechanized production.
3. The underwear cup of the invention not only greatly reduces the cost and has considerable profit because the common cloth can replace the sandwich cloth, but also overcomes the problems that the sandwich cloth is not easy to color and difficult to cut and splice because the common cloth is simple to splice, easy to dye and the like, especially the texture of the cup can be reflected by selecting the cloth with the thickness less than 1mm, and the material cost can be reduced.
4. According to the underwear cup, the impression technology suitable for the characteristics of the fiber material is adopted, so that the fiber material can form an elastic adhesive composite fiber structure, the stable elastic adhesive and fiber grid structure is obtained through heating, setting and vulcanization, and finally the underwear cup is stable in overall structure and is not prone to wrinkling after washing.
[ description of the drawings ]
Fig. 1 is a sectional view of an undergarment cup of the present invention.
[ detailed description ] embodiments
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1, the underwear cup with a multi-layer structure according to the present invention is sequentially provided with a first fabric fiber composite layer 1, an adhesive layer 2, a silicon fiber layer 3, an adhesive layer 2 and a second fabric fiber composite layer 1 from outside to inside, wherein the fabric fiber composite layer 1 and the silicon fiber layer 3 form a tightly pressed grid structure near the adhesive layer 2, and the grid structure ensures stable adhesion of the fabric fiber composite layer and the silicon fiber layer. The underwear cup disclosed by the invention is attached with the silicon fiber layer through the fabric fiber composite layer, so that the problems of air permeability, collapse and wrinkling are solved, the hand feeling of sandwich-like cloth is provided, the structure is simple and stable, the elasticity is good, the texture is light, the wearing is comfortable, and the underwear cup is suitable for being widely popularized in the industry.
Specifically, the fabric fiber composite layer comprises a fabric layer 11, a rubber net layer 12 and a fiber layer 13, wherein the thickness of the fiber layer 13 is 1-10 mm, the fiber used by the fiber layer can be silicon fiber or upright cotton, the thickness of the fiber layer is more preferably 2-5 m, the thickness of the fiber layer is obtained after the processing difficulty of the fiber, the hand feeling of the fabric and the structural stability are integrated, the improvement key is that the attaching operability is greatly enhanced, the folding and bubbling phenomena of the fabric are avoided, the working efficiency is greatly improved, and a road is paved for mechanical production. The glue net layer is a medium for attaching fibers to the fabric, the glue content of the glue net layer is less than that of the glue layer, and glue for bonding the fabric and the fibers is less, so that a film between the fabric and the fibers cannot be hardened. And in the background art the attaches gluey fibrous layer of patent is close to its glue content of surface fabric more and more high and lead to producing the one deck glued membrane between hot briquetting back surface fabric and the fibrous layer, this layer glued membrane makes the surface fabric lack due compliance, this patent is equivalent to attaching gluey district and surface fabric at the height and adding one deck thin fiber again between the district, this layer thin fiber can play the cushioning effect reinforcing on the one hand and feel, also can make the surface fabric produce relative displacement with the cup base member when exerting external force on the one hand, after the washing, even inside cup base member takes place to shift, the surface fabric on top layer still can keep leveling.
The fiber density of the silicon fiber layer is smaller than that of the fabric fiber composite layer, so that the surface fabric has enough fiber elastic support, and the phenomenon of collapse and deformation is avoided.
This patent silicon fiber layer 3 also exists near viscose layer 2 department with the background art the similar adhesive region that attaches of patent forms the grid structure of elasticity glue and fibre adhesion and fastens the fibre in order to play the effect of similar rope, has guaranteed the structural stability of cup.
The glue attaching area is continuous or semi-continuous glue attaching from the outside to the inside. The continuous glue-adhering means that the glue content of the whole glue-adhering area is gradually reduced from the outside to the inside, wherein the closer to the surface layer, the more the glue content is, and the further inside, the less the glue content is. The glue content of the whole glue-attaching area is not gradually reduced from the outside to the inside, but the glue content of a certain area of the surface layer is high, the glue content of the glue-attaching area is not uniformly distributed in the same section, the glue content of a local part is less than that of other parts, and even no glue is attached, and the phenomenon is related to the fiber characteristics and the process for printing the elastic glue. Whether the adhesive-attached area is continuous or semi-continuous, the key point is that a certain area of the surface layer is attached with a sufficient amount of elastic adhesive.
In order to ensure the stability of the adhesive attaching area forming a grid structure for adhering elastic adhesive and fibers and to ensure that the fabric is not easy to wrinkle, the part of the adhesive attaching area, which is close to the viscose layer, is a high adhesive attaching area, the thickness of the high adhesive attaching area is at least 1.5mm, and the mass of the elastic adhesive in the high adhesive attaching area is at least 1.5 times that of the fiber material. Because the fiber material is a light material and has small space density, the loose fibers can be adhered and locked only by the elastic glue with enough quantity under the action of the rope, and the grid structure of the loose fibers cannot be easily damaged by external force. In addition, a low viscosity liquid elastic adhesive that is flowable and easily adheres may be selected so as not to block the fiber lattice structure and affect the breathability of the bra cup.
The elastic glue content of each pair of bra cups is 6-35 g, namely the glue content of each pair of bra cups is 6-35 g, and further, the elastic glue content of each pair of bra cups is 8-25 g. The content can ensure that the adhesive attaching area, especially the high adhesive attaching area of the bra cup of the invention forms a stable grid structure, so that the surface layer is not easy to be damaged by displacement and dragging of the inner layer fiber to cause wrinkling of the fabric layer. Specifically, the elastic glue content of different underwear cup models is different according to the surface area of the cup, and the elastic glue content of D cup or E cup can reach 35 g because the cup shape is large and the surface area is large, and correspondingly, the elastic glue content of A cup or B cup is less because the cup shape is small and the surface area is small.
Furthermore, when the thickness of the high glue adhering area is between 3mm and 5mm, the whole fiber structure at the high glue adhering area is very stable, even if the inner-layer fiber structure is displaced by water washing, the surface-layer fiber structure cannot be pulled, and the crease-resistant effect can be achieved. More importantly, considering the cost of glue, 3-5 mm is the perfect combination of quality and cost, and is the optimal choice of the invention, certainly the crease-resistant effect of the high glue-attaching area with the thickness of more than 5mm is also good, and the cost of glue is high, the whole weight of the cup can be increased, and the cup does not meet the industrial requirement of light weight, so that the wearing comfort is reduced.
The silicon fiber layer 3 is of an integral fiber structure. Specifically, the so-called integral fiber structure, i.e., the silicon fiber layer, is formed by adhering elastic glue to the whole fiber material as the matrix, rather than by bonding multiple layers of materials. Such a unitary structure has many benefits, such as breathability, manufacturing process, cost, efficiency, cup texture, wear, etc., over a multi-layer structure, and such a design is perceived in the industry as qualitative rather than quantitative.
The fabric layer 11 is made of fabric with the thickness of less than 1mm, the fabric with the thickness of less than 1mm can better embody the texture of the cup, and the material cost can be reduced.
The fabric layer 11 is made of one fabric or is a spliced fabric, and the spliced fabric is formed by splicing or sewing a plurality of fabrics. The fabric layer is a fabric, and specifically can be cotton cloth, linen cloth, non-woven fabric, lycra fabric, mesh fabric, nylon cloth, modal fabric or chiffon fabric.
The surface of the fabric layer 11 may also be printed with a functional coating, specifically, the functional coating may be a nano negative ion layer, a nano silver layer, a chitin layer, a magnetic nano material layer, a graphene layer, or the like. And printing different functional coatings on the surface layer of the fabric according to different requirements. Since the underwear cup of the present invention is not easily wrinkled, the coating layers can be well protected from being damaged by washing so that the coating function can be more realized.
The invention relates to a method for manufacturing underwear cups, which comprises the following steps:
A. manufacturing a fabric fiber composite layer: firstly processing fiber materials into sheets, coating liquid elastic glue on the fabric, covering the fiber materials on the fabric, and then heating and forming;
B. manufacturing a cup substrate: die-cutting the silicon fiber material into cup shapes to obtain cup matrixes;
C. imprinting the liquid elastic glue: compressing the cup substrate to below half of the original thickness through a silk screen to enable the cup substrate to be tightly attached to the silk screen, then silk-printing liquid elastic glue, loosening the silk screen after silk-printing, and then stamping the other side of the cup substrate in the same way to obtain the cup substrate with two sides attached with the elastic glue;
D. hot press forming and trimming: and attaching the fiber surface of the fabric fiber composite layer to a cup substrate stained with elastic glue, performing one-step hot press molding through a cup mold, cutting and trimming to obtain the underwear cup with the multilayer structure.
The following description is given by way of specific examples:
the performance indexes of the underwear cup with the cloth directly attached with the silicon fiber, such as deformability, surface appearance, hand feeling and the like after the underwear cup with the cloth fiber compounded and the silicon fiber underwear cup are washed are compared under the same conditions (silica gel viscosity, compression amount, hot press molding time temperature and the like).
Table 1:
the comparative examples and examples above all used 75B cup thicknesses and densities of 13kg/m3The silicon fiber material is used as a substrate to manufacture underwear cups.
Testing and analysis
The experimental method is as follows:
1) washing with water: a professional Siemens washing machine is adopted, the water temperature is 40 ℃, the rotating speed is 800 r/min, and the washing is carried out by an enhanced plate, wherein 68 minutes are carried out each time, and the washing is carried out for 20 times;
2) and (3) detection: the deformability is measured by a vernier caliper, namely the high variation size of the cup is measured; the surface appearance was visually observed.
Specification of indexes:
deformability: the deformation is acceptable within 3mm, specifically 2-3 mm is qualified, 1-2 mm is good, and less than 1mm is excellent;
surface appearance: 0-3, the cloth is completely wrinkled and cannot be used; 4-5, the surface of the cloth has deep wrinkles and is distributed more; and 6-7 points are qualified, and the surface of the cloth has obvious wrinkles but shallow lines. 8-9, the fabric has unobvious wrinkles and slight lines on the surface. More than 9 points of the fabric is excellent, and the surface of the fabric is basically free of wrinkles or the wrinkles are hardly detected
Hand (i.e., softness): the touch feeling of a common person is divided into three grades of softness, moderate feeling and hardness.
Table 2:
and (4) test conclusion:
in the aspect of deformability, the cup matrix adopting the silicon fiber meets the index requirement.
In the aspect of surface appearance, the silicon fiber is adopted as a cup matrix to meet the index requirement, but in the manufacturing process, the silicon fiber directly attached to the cloth can generate wrinkles, and further the surface appearance of the underwear cup after hot-press forming is influenced. In addition, the surface appearance of the bra cup is also affected when the fiber thickness of the fabric fiber composite layer is large.
In the aspect of hand feeling, the hand feeling of the underwear cup of the sandwich cloth is better than that of the underwear cup of the common cloth which is directly adopted, but when the fiber thickness of the fabric fiber composite layer is larger, the hand feeling is even better than that of the sandwich cloth.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An underwear cup with multilayer structure which characterized in that: the fabric fiber composite layer and the silicon fiber layer form a compressed grid structure near the adhesive layer.
2. An undergarment cup with multi-layer structure as claimed in claim 1, wherein the fabric fiber composite layer comprises a fabric layer, an adhesive net layer and a fiber layer.
3. An undergarment cup with multi-layer structure as claimed in claim 2, wherein the thickness of the fiber layer is 1-10 mm.
4. An undergarment cup with multi-layer structure as claimed in claim 3, wherein the fiber layer is a silicon fiber layer or an upright cotton layer.
5. An undergarment cup with multi-layer structure as claimed in claim 2, wherein the gel content of the adhesive layer is smaller than that of the adhesive layer.
6. An undergarment cup with multi-layer structure as claimed in claim 1, wherein the fiber density of the silicon fiber layer is less than the fiber density of the fabric fiber composite layer.
7. An undergarment cup with multi-layered structure as claimed in claim 1, wherein the elastic glue content of the adhesive layer is 2-10 g/pair of cups.
8. An undergarment cup with multi-layer structure as claimed in claim 1, wherein the content of elastic glue of the undergarment cup is 8-25 g per pair of cups.
9. A method of manufacturing an undergarment cup with a multi-layered structure as claimed in any one of claims 1 to 8, wherein: the method comprises the following steps:
A. manufacturing a fabric fiber composite layer: firstly processing fiber materials into sheets, coating liquid elastic glue on the fabric, covering the fiber materials on the fabric, and then heating and forming;
B. manufacturing a cup substrate: die-cutting the silicon fiber material into cup shapes to obtain cup matrixes;
C. imprinting the liquid elastic glue: compressing the cup substrate to below half of the original thickness through a silk screen to enable the cup substrate to be tightly attached to the silk screen, then silk-printing liquid elastic glue, loosening the silk screen after silk-printing, and then stamping the other side of the cup substrate in the same way to obtain the cup substrate with two sides attached with the elastic glue;
D. hot press forming and trimming: and attaching the fiber surface of the fabric fiber composite layer to a cup substrate stained with elastic glue, performing one-step hot press molding through a cup mold, cutting and trimming to obtain the underwear cup with the multilayer structure.
10. A method for making an undergarment cup with multi-layered structure as claimed in claim 9, wherein a layer of viscose is printed on the fiber side of the fabric fiber composite layer before the step D of hot press forming.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113768212A (en) * | 2021-09-18 | 2021-12-10 | 东莞东利科技有限公司 | Silica gel fiber cotton underwear cup and preparation method thereof |
| CN114098180A (en) * | 2021-12-16 | 2022-03-01 | 开平优丽内衣服装配料有限公司 | Cup without sewing trace and preparation process thereof |
| CN115476571A (en) * | 2022-07-22 | 2022-12-16 | 本影科技(中山)有限公司 | Production process of silica gel cups |
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| CN113768212A (en) * | 2021-09-18 | 2021-12-10 | 东莞东利科技有限公司 | Silica gel fiber cotton underwear cup and preparation method thereof |
| CN114098180A (en) * | 2021-12-16 | 2022-03-01 | 开平优丽内衣服装配料有限公司 | Cup without sewing trace and preparation process thereof |
| CN115476571A (en) * | 2022-07-22 | 2022-12-16 | 本影科技(中山)有限公司 | Production process of silica gel cups |
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| CN111838784B (en) | 2023-05-16 |
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