CN111820513A - Pressure reducing shoulder belt - Google Patents
Pressure reducing shoulder belt Download PDFInfo
- Publication number
- CN111820513A CN111820513A CN202010746907.8A CN202010746907A CN111820513A CN 111820513 A CN111820513 A CN 111820513A CN 202010746907 A CN202010746907 A CN 202010746907A CN 111820513 A CN111820513 A CN 111820513A
- Authority
- CN
- China
- Prior art keywords
- shoulder strap
- shoulder
- pressure
- fabric layer
- strap body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41F—GARMENT FASTENINGS; SUSPENDERS
- A41F15/00—Shoulder or like straps
- A41F15/002—Shoulder or like straps separable or adjustable
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B17/00—Selection of special materials for underwear
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41F—GARMENT FASTENINGS; SUSPENDERS
- A41F15/00—Shoulder or like straps
- A41F15/005—Tapes for shoulder straps
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41F—GARMENT FASTENINGS; SUSPENDERS
- A41F15/00—Shoulder or like straps
- A41F15/02—Means for retaining the straps in position
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Corsets Or Brassieres (AREA)
Abstract
The invention discloses a pressure-reducing shoulder strap which comprises a shoulder strap body, a first 8-shaped buckle, a second 8-shaped buckle, a 9-shaped buckle, a first fabric layer, a second fabric layer and a PUR polyurethane hot melt adhesive layer. The invention has the beneficial effects that: the shoulder strap body 1 adopts the first fabric layer and the second fabric layer which are cut randomly and the PUR hot melt adhesive, so that the pressure of the shoulder strap on the shoulder can be reduced while the lifting action of the shoulder strap on the bra is met, and the shoulder strap is prevented from being drawn and painful; simple structure and easy production.
Description
Technical Field
The invention relates to a shoulder strap, in particular to a pressure-reducing shoulder strap, belonging to the technical field of female underwear products.
Background
At present, when the traditional female underwear is manufactured, two cups are mainly combined by a bra body, and a connecting shoulder strap is hooked between the outer sides of the cups and the upper edges of the cups to form a basic functional framework of the underwear.
The shoulder straps mainly have the functions of lifting breasts, and the female wears the bra firstly for fixing the breasts to ensure that the breasts are not vibrated when the body moves; secondly, the chest and the figure are shaped and looked at. In order to pull up the breasts, the shoulder straps are woven tightly and have certain thickness, and two problems are commonly caused by female friends during the wearing process: firstly, the long-time wearing of the shoulder pad can cause the tightening marks on the shoulders of the female, seriously can cause the red and swollen skins on the shoulders of the female due to the friction, and secondly, the long-time wearing of the shoulder pad can cause the pain on the shoulders of the female.
Disclosure of Invention
The invention aims to solve the problems of shoulder tightening marks and shoulder pain of the conventional underwear shoulder straps, and provides a pressure-reducing shoulder strap which can not only lift breasts, but also avoid shoulder tightening marks and shoulder pain in the wearing process.
The invention realizes the purpose through the following technical scheme: the utility model provides a decompression is shouldered, is including shouldering the body, it is rectangular banded that the body is shouldered, the one end of shouldering the body is connected with the middle part that first 8 style of calligraphy were detained, the other end of shouldering the body is detained with second 8 style of calligraphy and is connected, just it detains the cover and establishes on shouldering the body to shoulder first 8 style of calligraphy that the body is connected, the cover is equipped with 9 style of calligraphy and detains on shouldering the body, just 9 style of calligraphy are detained and are located the ring that one end that this body coupling of shouldering first 8 style of calligraphy was detained and is shouldered the body and constitute, it comprises first precoat, second precoat and PUR polyurethane hot melt adhesive layer to shoulder the body, PUR.
As a still further scheme of the invention: one end of the shoulder strap body is movably arranged on the shoulder strap body in an adjustable mode through a first 8-shaped buckle.
As a still further scheme of the invention: the first fabric layer and the second fabric layer are fabrics which can be cut at will.
As a still further scheme of the invention: the first fabric layer and the second fabric layer are both formed by two strands of interwoven yarns, the two strands of yarns comprise a first yarn of 20D/17F nylon yarn and a second yarn of 70D spandex yarn, and the first yarn and the second yarn are both loop-forming structural units.
As a still further scheme of the invention: the first fabric layer and the second fabric layer are bonded and fixed through a polyurethane hot melt adhesive layer, and the polyurethane hot melt adhesive layer is prepared by taking NCO end group prepolymer as a base material and matching thermoplastic resin and tackifying resin which do not react with isocyanate groups, and additives such as an antioxidant, a catalyst, a filler and the like.
As a still further scheme of the invention: the production process of the PUR polyurethane hot melt adhesive layer comprises the following steps:
a. adding 10-30 parts by weight of polyether polyol and 30-50 parts by weight of polyester polyol into a reaction kettle, and performing vacuum dehydration;
b. cooling to 80 ℃, and adding 8-20 parts by weight of reactive plasticizer and 12-16 parts by weight of isocyanate while stirring;
c. slowly heating to 70-90 ℃, simultaneously filling nitrogen for protection, reacting for 2-3 hours, adding 6-20 parts by weight of tackifying resin, 3-3 parts by weight of latent curing agent I and 0.1-0.5 part by weight of catalyst after the NCO% content of a sample is analyzed to reach 1.8% -2.9%, vacuumizing at 90-110 ℃ until no bubbles appear, discharging, and hermetically packaging to obtain the polyurethane. .
The invention has the beneficial effects that: the pressure-reducing shoulder strap is reasonable in design, the first fabric layer and the second fabric layer which are cut randomly and the PUR hot melt adhesive are used for the shoulder strap body, so that the pressure of the shoulder strap on the shoulder can be reduced while the lifting effect of the shoulder strap on a bra is met, and the shoulder tightening mark and the shoulder strap pain can be avoided; simple structure and easy production.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the backside structure of the present invention;
FIG. 3 is a cross-sectional view of the shoulder strap of the present invention.
In the figure: 1. shoulder the body, 2, first 8 style of calligraphy are detained, 3, second 8 style of calligraphy are detained, and 4, 9 style of calligraphy are detained, 5, first precoat, 6, second precoat and 7, PUR polyurethane hot melt adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, a pressure-reducing shoulder strap includes a shoulder strap body 1, the shoulder strap body 1 is in a strip shape, one end of the shoulder strap body 1 is connected to a middle portion of a first 8-shaped buckle 2, the other end of the shoulder strap body 1 is connected to a second 8-shaped buckle 3, the first 8-shaped buckle 2 connected to the shoulder strap body 1 is sleeved on the shoulder strap body 1, a 9-shaped buckle 4 is sleeved on the shoulder strap body 1, the 9-shaped buckle 4 is located in a circular ring formed by the shoulder strap body 1 and the end of the shoulder strap body 1 connecting the first 8-shaped buckle 2, the shoulder strap body 1 is composed of a first fabric layer 5, a second fabric layer 6 and a PUR polyurethane hot melt adhesive layer 7, and the PUR polyurethane hot melt adhesive layer 7 is located between the first fabric layer 5 and the second fabric layer 6.
Furthermore, in the embodiment of the invention, one end of the shoulder strap body 1 is clamped on the shoulder strap body 1 through the first 8-shaped buckle 2 and is movably arranged in an adjustable manner, so that the length of the shoulder strap body 1 can be conveniently adjusted, and the shoulder strap is further suitable for wearing requirements of different women.
Further, in the embodiment of the present invention, the first fabric layer 5 and the second fabric layer 6 are fabrics that can be cut at will, and can be cut into a width with a proper size according to different requirements in a production process.
Furthermore, in the embodiment of the present invention, the first fabric layer 5 and the second fabric layer 6 are both formed by two mutually interwoven yarns, the two yarns include a first yarn of 20D/17F nylon yarn and a second yarn of 70D spandex yarn, and both the first yarn and the second yarn are looped structural units, so that the fabric can be freely cut at 360 degrees without overlocking, and can reduce cutting loss by 20%, and the fabric has good resilience and strong binding force.
Further, in the embodiment of the present invention, the first fabric layer 5 and the second fabric layer 6 are bonded and fixed by a PUR polyurethane hot melt adhesive layer 7, and the PUR polyurethane hot melt adhesive layer 7 is prepared by using an NCO end group prepolymer as a base material, and adding a thermoplastic resin and a tackifying resin which do not react with isocyanate groups, and additives such as an antioxidant, a catalyst, a filler, etc., to prepare a PUR hot melt adhesive with high elasticity and high viscosity, and is completely attached to any fabric; the attached shoulder strap has high elastic lifting force of the traditional shoulder strap and skin-like touch, so that the shoulder strap is soft and comfortable in contact with the shoulder, the pressure of the shoulder strap on the shoulder is effectively relieved, and the shoulder pain is avoided.
Further, in the embodiment of the present invention, the production process of the PUR polyurethane hot melt adhesive layer 7 is as follows:
a. adding 10-30 parts by weight of polyether polyol and 30-50 parts by weight of polyester polyol into a reaction kettle, and performing vacuum dehydration;
b. cooling to 80 ℃, and adding 8-20 parts by weight of reactive plasticizer and 12-16 parts by weight of isocyanate while stirring;
c. slowly heating to 70-90 ℃, simultaneously filling nitrogen for protection, reacting for 2-3 hours, adding 6-20 parts by weight of tackifying resin, 3-3 parts by weight of latent curing agent I and 0.1-0.5 part by weight of catalyst after the NCO% content of a sample is analyzed to reach 1.8% -2.9%, vacuumizing at 90-110 ℃ until no bubbles appear, discharging, and hermetically packaging to obtain the polyurethane.
The working principle is as follows: when the pressure-reducing shoulder strap is manufactured and produced, in a production platform diagram, putting the PUR hot melt adhesive into a material barrel of a hot melt adhesive machine for heating and melting, wherein the heating temperature is usually 120 ℃; cutting any fabric to be cut according to the required width of the shoulder belt, hanging the fabric on a hanging rack, putting the head of the fabric into a belt conveying device, and conveying the first layer of fabric to a gluing device; the sizing device is matched with the size of a glue outlet with the same width according to the width of the fabric, the PUR hot melt adhesive is uniformly coated on the fabric, then the second fabric is placed on the coated fabric, and the second fabric is pressed by the hot pressing device and is continuously conveyed; and cooling by a fan cooling device after pressing, and recovering by a belt collecting device after cooling to finish the production of the belt.
When the pressure-reducing shoulder strap is used, the shoulder strap is cut and provided with buckles according to the length and specific functions of the shoulder strap, the 9-shaped buckles 4 and the second 8-shaped buckles 3 at the two ends of the shoulder strap body 1 are respectively hooked with the outer sides of the cups and the upper edge of the cups together, and then the positions of the first 8-shaped buckles 2 on the shoulder strap body 1 are adjusted to adjust the length of the shoulder strap body 1, so that the use requirements of different women are met.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A pressure-reducing shoulder strap comprises a shoulder strap body (1), and is characterized in that the shoulder strap body (1) is in a strip shape, one end of the shoulder strap body (1) is connected with the middle part of the first 8-shaped buckle (2), the other end of the shoulder strap body (1) is connected with a second 8-shaped buckle (3), and a first 8-shaped buckle (2) connected with the shoulder strap body (1) is sleeved on the shoulder strap body (1), a 9-shaped buckle (4) is sleeved on the shoulder strap body (1), and the 9-shaped button (4) is positioned in a circular ring formed by one end of the shoulder strap body (1) connected with the first 8-shaped button (2) and the shoulder strap body (1), the shoulder strap body (1) is composed of a first fabric layer (5), a second fabric layer (6) and a PUR polyurethane hot melt adhesive layer (7), the PUR polyurethane hot melt adhesive layer (7) is positioned between the first fabric layer (5) and the second fabric layer (6).
2. The pressure-reducing shoulder strap of claim 1, wherein one end of the shoulder strap body (1) is movably and adjustably clamped on the shoulder strap body (1) through the first 8-shaped buckle (2), so that the length of the shoulder strap body (1) can be conveniently adjusted, and the pressure-reducing shoulder strap is further suitable for wearing requirements of different women.
3. The pressure-relief shoulder strap of claim 1, characterized in that the first and second fabric layers (5, 6) are of a fabric that can be cut at will, and can be cut to a width of suitable size according to different requirements during production.
4. The pressure-reducing shoulder strap of claim 1, wherein the first fabric layer (5) and the second fabric layer (6) are formed by two mutually interwoven yarns, the two yarns comprise a first yarn of 20D/17F nylon yarn and a second yarn of 70D spandex yarn, the first yarn and the second yarn are looped structural units, the pressure-reducing shoulder strap can be freely cut at 360 degrees without overlocking, the cutting loss can be reduced by 20%, and the resilience performance of the fabric is good and the binding force is strong.
5. The pressure-reducing shoulder strap of claim 1, wherein the first fabric layer (5) and the second fabric layer (6) are bonded and fixed through a PUR polyurethane hot-melt adhesive layer (7), and the PUR polyurethane hot-melt adhesive layer (7) is prepared by taking NCO-end-group prepolymer as a base material, and adding thermoplastic resin and tackifying resin which do not react with isocyanate groups, and additives such as antioxidant, catalyst, filler and the like to prepare the PUR hot-melt adhesive with high elasticity and high viscosity, and is completely attached to any fabric; the attached shoulder strap has high elastic lifting force of the traditional shoulder strap and skin-like touch, so that the shoulder strap is soft and comfortable in contact with the shoulder, the pressure of the shoulder strap on the shoulder is effectively relieved, and the shoulder pain is avoided.
6. The pressure-relief shoulder strap of claim 5, characterized in that the PUR polyurethane hot-melt adhesive layer (7) is produced by a process comprising:
a. adding 10-30 parts by weight of polyether polyol and 30-50 parts by weight of polyester polyol into a reaction kettle, and performing vacuum dehydration;
b. cooling to 80 ℃, and adding 8-20 parts by weight of reactive plasticizer and 12-16 parts by weight of isocyanate while stirring;
c. slowly heating to 70-90 ℃, simultaneously filling nitrogen for protection, reacting for 2-3 hours, adding 6-20 parts by weight of tackifying resin, 3-3 parts by weight of latent curing agent I and 0.1-0.5 part by weight of catalyst after the NCO% content of the sample is analyzed to reach 1.8% -2.9%, vacuumizing at 90-110 ℃ until no bubbles appear, discharging, and hermetically packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746907.8A CN111820513A (en) | 2020-07-29 | 2020-07-29 | Pressure reducing shoulder belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746907.8A CN111820513A (en) | 2020-07-29 | 2020-07-29 | Pressure reducing shoulder belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111820513A true CN111820513A (en) | 2020-10-27 |
Family
ID=72919732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010746907.8A Withdrawn CN111820513A (en) | 2020-07-29 | 2020-07-29 | Pressure reducing shoulder belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111820513A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB929937A (en) * | 1959-02-02 | 1963-06-26 | Lovable Brassiere Company Ltd | Improvements in or relating to laminated shoulder straps for women's under garments |
| JP2007217837A (en) * | 2006-02-20 | 2007-08-30 | Triumph International (Japan) Ltd | Shoulder strap-fixing ring, method for producing the ring, shoulder strap, and ladies' undergarment using the strap |
| JP2011026740A (en) * | 2009-07-27 | 2011-02-10 | Wacoal Corp | Tape-like woven fabric, shoulder strap using the same, garment having cup part, and method for producing woven fabric |
| CN202323320U (en) * | 2011-11-30 | 2012-07-11 | 东莞市汇星染织有限公司 | Warp-knitting fabric for body shaping |
| CN202323317U (en) * | 2011-11-30 | 2012-07-11 | 东莞市汇星染织有限公司 | Fabric capable of being tailored randomly |
| CN103689818A (en) * | 2013-12-16 | 2014-04-02 | 苏州美山子制衣有限公司 | Combined underwear shoulder strap and production method thereof |
| CN104479618A (en) * | 2014-12-23 | 2015-04-01 | 上海汇得化工有限公司 | Reactive polyurethane hot melt glue used for cloth composition and preparation method of reactive polyurethane hot melt glue |
| CN105017503A (en) * | 2015-08-24 | 2015-11-04 | 烟台德邦科技有限公司 | Synthetic method of reaction type PU (polyurethane) hot melt adhesive prepolymer |
| CN109619715A (en) * | 2018-12-25 | 2019-04-16 | 深圳市云创服装设计有限公司 | The dismountable full dress of shoulder belt |
-
2020
- 2020-07-29 CN CN202010746907.8A patent/CN111820513A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB929937A (en) * | 1959-02-02 | 1963-06-26 | Lovable Brassiere Company Ltd | Improvements in or relating to laminated shoulder straps for women's under garments |
| JP2007217837A (en) * | 2006-02-20 | 2007-08-30 | Triumph International (Japan) Ltd | Shoulder strap-fixing ring, method for producing the ring, shoulder strap, and ladies' undergarment using the strap |
| JP2011026740A (en) * | 2009-07-27 | 2011-02-10 | Wacoal Corp | Tape-like woven fabric, shoulder strap using the same, garment having cup part, and method for producing woven fabric |
| CN202323320U (en) * | 2011-11-30 | 2012-07-11 | 东莞市汇星染织有限公司 | Warp-knitting fabric for body shaping |
| CN202323317U (en) * | 2011-11-30 | 2012-07-11 | 东莞市汇星染织有限公司 | Fabric capable of being tailored randomly |
| CN103689818A (en) * | 2013-12-16 | 2014-04-02 | 苏州美山子制衣有限公司 | Combined underwear shoulder strap and production method thereof |
| CN104479618A (en) * | 2014-12-23 | 2015-04-01 | 上海汇得化工有限公司 | Reactive polyurethane hot melt glue used for cloth composition and preparation method of reactive polyurethane hot melt glue |
| CN105017503A (en) * | 2015-08-24 | 2015-11-04 | 烟台德邦科技有限公司 | Synthetic method of reaction type PU (polyurethane) hot melt adhesive prepolymer |
| CN109619715A (en) * | 2018-12-25 | 2019-04-16 | 深圳市云创服装设计有限公司 | The dismountable full dress of shoulder belt |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201027 |