CN102744955A - Elastic cloth and its solvent-free coating process - Google Patents
Elastic cloth and its solvent-free coating process Download PDFInfo
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- CN102744955A CN102744955A CN2011100989744A CN201110098974A CN102744955A CN 102744955 A CN102744955 A CN 102744955A CN 2011100989744 A CN2011100989744 A CN 2011100989744A CN 201110098974 A CN201110098974 A CN 201110098974A CN 102744955 A CN102744955 A CN 102744955A
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Abstract
An elastic cloth and its solvent-free coating process are disclosed. The solvent-free coating process of the elastic cloth comprises the following steps: 1, co-extruding to form a molten thermoplastic elastic film, wherein the molten thermoplastic elastic film has a first layer and a second layer having one surface bonding with one surface of the first layer; 2, taking a plain weaving cloth layer; 3, coating the plain weaving cloth layer on the other surface of the molten first layer; and 4, carrying out cold rolling treatment to weld and cool the thermoplastic elastic film and the plain weaving cloth layer to form the elastic cloth. So the process has the advantages of simplification, low manufacturing cost and high yield, and especially has the characteristics of health, safety and environmental protection because of no use of an adhesive containing an organic solvent in the whole process.
Description
Technical field
The present invention relates to a kind of elastical cloth and applying processing procedure thereof, particularly relate to a kind of elastical cloth and solvent-free applying processing procedure thereof.
Background technology
In order to promote the performance of elastic woven material, generally can be in the surface coated or applying plastic cement (or rubber) material of elastic woven material, it is contained openly to number No. 201037122 " manufacturing process of the flexible fibre of tool " patent of invention case like the TaiWan, China patent; In simple terms, a looped fabric is sticked on a flat fabric earlier, after treating that this PUR is dry and hardening with a PUR; The thickener that is fused into natural gum and toluene in the surface coated of this looped fabric, and give oven dry, make the toluene in the thickener; On the other hand; With a sizing material through adding hot milling, calendering, cooling to process a film, at last with this looped fabric and this film laminating, be adhered together, vulcanize and processing such as rolling; Divest this flat fabric again, an elastomer product promptly completes.
Hence one can see that; The manufacturing process of above-mentioned elastomer goods, not only processing procedure loaded down with trivial details consuming time, cost of manufacture is high, and it is wayward to produce yield; Especially employed PUR, thickener contain high pollution property, highly toxic organic solvent usually in the processing procedure; Not only can cause threat and harm on healthy, for example: cause skin or breathing problem, and whole processing procedure also can discharge VOCs, CO in a large number to processing procedure personnel or end user
2With toxic waste, environment is caused serious negative impact.
Summary of the invention
The object of the present invention is to provide a kind of processing procedure simplification, low cost of manufacture, production yield height, and healthy, the safe elastical cloth and the solvent-free applying processing procedure thereof of environmental protection again.
The solvent-free applying processing procedure of elastical cloth of the present invention; Comprise the following step: the thermoplastic elastic rete that (a) is total to a molten of extrusion shaping; This thermoplastic elastic rete has a ground floor portion, and the second layer portion on a surface of this ground floor portion of one surface joint; (b) get a plain weave layer of cloth; (c) this flat fabric laminating is combined in another surface of this ground floor portion of molten; (d) carry out cold rolling and handle, make this thermoplastic elastic rete and this plain weave layer of cloth welding and cooling.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), this thermoplastic elastic rete also has the 3rd layer of portion that an one surface engages opposite another surface of this second layer portion.
The solvent-free applying processing procedure of elastical cloth according to the invention; At step (b); Other gets a lining layer, at step (c), makes this lining laminating be combined in another surface of the 3rd layer of portion of molten; At step (d), this plain weave layer of cloth, this thermoplastic elastic rete and this lining layer three are carried out cold rolling handle.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the foaming density of this second layer portion is between 0.1g/cm
3To 0.9g/cm
3Between.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the temperature of this thermoplastic elastic rete is between 150 ℃ to 220 ℃.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (d), operated cold rolling treatment temperature is between 20 ℃ to 90 ℃.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the thickness of this ground floor portion is between 0.05 millimeter to 0.1 millimeter.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the thickness of this second layer portion is between 0.1 millimeter to 0.3 millimeter.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the thickness of the 3rd layer of portion is between 0.05 millimeter to 0.1 millimeter.
The solvent-free applying processing procedure of elastical cloth according to the invention; At step (a); This ground floor portion is polyethylene, ethylene-vinyl acetate copolymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer, or these a combination is made.
The solvent-free applying processing procedure of elastical cloth according to the invention; At step (a), this second layer portion has a base-material body, and the additive that is blended in this base-material body; This base-material body is styrene-ethylene-butylene-styrene elastomer, ethylene-vinyl acetate co-polymer; Or styrene-butylene-styrene elastomer is made, and this additive is hollow glass ball, blowing microcapsule, or organic foaming agent.
The solvent-free applying processing procedure of elastical cloth according to the invention; At step (a); The 3rd layer of portion is polyethylene, ethylene-vinyl acetate co-polymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer; Styrene-ethylene-butylene-styrene elastomer, styrene-butylene-styrene elastomer, or these a combination is made.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (b), this plain weave layer of cloth is nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or the blend fibre of nylon and cotton is processed.
The solvent-free applying processing procedure of elastical cloth according to the invention, at step (b), this lining layer is with nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or nylon and the blend fibre of cotton flat fabric or the looped fabric processed.
Elastical cloth of the present invention; Comprise a thermoplastic elastic rete of extrusion shaping altogether; And plain weave layer of cloth; This thermoplastic elastic rete has a ground floor portion, and the second layer portion on a surface of this ground floor portion of one surface joint, another surface of this ground floor portion of surperficial welding of this plain weave layer of cloth.
Elastical cloth of the present invention, this thermoplastic elastic rete also have the 3rd layer of portion that an one surface engages another surface of this second layer portion.
Elastical cloth of the present invention, this elastical cloth also comprise another surperficial lining layer of the 3rd layer of portion of an one surface welding.
Beneficial effect of the present invention is: plain weave layer of cloth and the thermoplastic elastic rete that is the high-temperature fusion shape are fitted; Carrying out cold rolling again handles; Just can make thermoplastic elastic rete and the welding of plain weave layer of cloth and cooling forming is an elastical cloth; Let not only processing procedure of the present invention is simplified, cost is low and yield is high, the especially omnidistance sticker that contains organic solvent that uses more lets the present invention have health, the safety characteristics of environmental protection again concurrently.
Description of drawings
Fig. 1 is a cutaway view, and one first preferred embodiment of elastical cloth of the present invention is described;
Fig. 2 is a making flow chart, and one first preferred embodiment of the solvent-free applying processing procedure of elastical cloth of the present invention is described;
Fig. 3 is a cutaway view, and one second preferred embodiment of elastical cloth of the present invention is described;
Fig. 4 is a making flow chart, and one second preferred embodiment of the solvent-free applying processing procedure of elastical cloth of the present invention is described.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Like Fig. 1 and shown in Figure 2; One first preferred embodiment of elastical cloth of the present invention and solvent-free applying processing procedure thereof; This elastical cloth 2 shown in Figure 1 is to comprise the warp thermoplastic elastic rete 21 of extrusion shaping altogether, and a plain weave layer of cloth 22 that engages a surface of this thermoplastic elastic rete 21.
This thermoplastic elastic rete 21 has a ground floor portion 211, and the second layer portion 212 on a surface of this ground floor portion 211 of one surface joint.Wherein, this second layer portion 212 has a base-material body 213 that engages this ground floor portion 211, and is blended in the additive 214 in this base-material body 213.A surface of this plain weave layer of cloth 22 is another surfaces of this ground floor portion 211 of welding.
And the solvent-free applying processing procedure of this elastical cloth shown in Figure 2 is in order to manufacturing above-mentioned elastical cloth 2 products that are shaped, and comprises step (a) to step (d):
At step (a); Allocate two parts respectively in order to make the thermoplastic elastic sizing material of this ground floor portion 211 and this second layer portion 212; Give earlier and throwing in the drying 1, give being fed in the extrusion equipment 3 again, said two parts of thermoplastic elastic sizing materials are got into respectively carry out fusion, mixing and extrusion in two extruders; Two parts of extrusion things of gained are led respectively in two runners of a current divider into again; At last via the common extrusion of a T shape die head, temperature this thermoplastic elastic rete 21 between 150 ℃ to 220 ℃ that just can be shaped, wherein; The thickness of this ground floor portion 211 is between 0.05 millimeter to 0.1 millimeter, and the thickness of this second layer portion 212 is between 0.1 millimeter to 0.3 millimeter.
Said in order to make the thermoplastic elastomer of this ground floor portion 211; Be polyethylene (Polyethylene; Abbreviation PE), ethylene-vinyl acetate copolymer (Ethylene-Vinyl acetate Copolymer; Abbreviation EVA), maleic anhydride (Maleic Anhydride is called for short MA), ethylene-methyl acrylate copolymer (Ethylene-Methyl Acrylate Copolymer is called for short EMA), ethylene-butyl acrylate copolymer (Ethylene-Butyl Acrylate Copolymer; Be called for short EBA), or these a combination.Preferably, this ground floor portion 211 is by PE and EVA, PE and MA, PE and EMA, PE and EBA, PE and MA and EMA, or material combined polymerization such as PE and MA and EBA or mixing combination are made.
Said in order to make the thermoplastic elastomer of this second layer portion 212, be the composition that comprises this base-material body 213 that is shaped, and as being blended in the composition of the additive 214 in this base-material body 213.Wherein, This base-material body 213 is styrene-ethylene-butylene-styrene elastomer (Styrene-Ethylene-Butylene-Styrene Elastomer; Abbreviation SEBS), ethylene-vinyl acetate co-polymer (Ethylene-Vinyl acetate Copolymer; Be called for short EVA), or styrene-butylene-styrene elastomer (Styrene-Ethylene-Butylene-Styrene Elastomer is called for short SBS); And this additive 214 can use the hollow glass ball of 0.5wt% to 10wt%, the blowing microcapsule of 0.3wt% to 5wt%, or the organic foaming agent of 0.1wt% to 0.8wt%, in order to let the foaming density of second layer portion 212 of formed thereby between 0.1g/cm
3To 0.9g/cm
3Between.
On the other hand; At step (b); Choose the plain weave layer of cloth 22 that will use; This plain weave layer of cloth 22 can be nylon (Nylon) fiber, polyester (Polyester) fiber, cotton (Cotton) fiber, polyester and cotton blend fibre (like CVC cloth or T/C cloth), or the blend fibre (like N/C cloth) of nylon and cotton is processed.
Then, carry out step (c), a surface of this plain weave layer of cloth 22 directly is fitted in another surface of this ground floor portion 211 of molten.
Carry out step (d) then, this thermoplastic elastic rete 21 that fits is transferred the cold rolling that carries out pressing and cooling in the cold rolling equipment 4 with this plain weave layer of cloth 22 handle.
This cold rolling equipment 4 has three pinch rollers of arranging in regular turn up and down 41, eight positions at the place, right side of said pinch roller 41 and in pairs by first cooling wheel 42 of upper left side oblique arrangement toward the lower right, and 14 from left to right the horizontal interval be arranged in other second cooling wheel 43 (not demonstrating among the figure all) of said first cooling wheel 42.And the surface temperature of said pinch roller 41 is to be controlled between 20 ℃ to 90 ℃.
This cold rolling equipment 4 also has a circulating water cooling unit 44; It can be to the water body of said pinch roller 41 inner axial respectively importing temperature between 15 ℃ to 95 ℃; In order to said pinch roller 41 is bestowed the water-cooled effect; The surface temperature control of guaranteeing said pinch roller 41 is between 20 ℃ to 90 ℃, and axially percolation through said pinch roller 41 inner and water body that raise because of the heat absorption temperature, can pass back into and utilize again in this circulating water cooling unit 44; In case the water temperature that recycles of this circulating water cooling unit 44 is higher than 25 ℃; Its refrigeration mechanism just can start, like the frozen water of 5 ℃ to 10 ℃ of extra preparations and inject the water body that recycles, with the temperature maintenance of guaranteeing to import the inner water body of said pinch roller 41 between 15 ℃ to 95 ℃.
This cold rolling equipment 4 also has a vicinity and is arranged on wherein 41 air knives of locating 45 of two pinch rollers, and this air knife 45 can blow out refrigerating gas one towards said two pinch rollers 41.
Therefore; This thermoplastic elastic rete 21 that fits and this plain weave layer of cloth 22 are after handover is gone in this cold rolling equipment 4; Can move in regular turn through said pinch roller 41, said first cooling wheel 42 and said second cooling wheel 43, in the processing procedure, said pinch roller 41 can make this thermoplastic elastic rete 21 with these plain weave layer of cloth 22 roll extrusion, be bonded together; Utilization is the viscosity that this ground floor portion 211 of high-temperature fusion shape is produced, and can make this ground floor portion 211 be fused into one with this plain weave layer of cloth 22.
And; Through the said pinch roller 41 of surface temperature between 20 ℃ to 90 ℃; And the cold rolling effect that applied of said first cooling wheel 42 and said second cooling wheel 43; Cooperate the air cooling effect of this air knife 45, can make to engage this thermoplastic elastic rete 21 of all-in-one-piece and cool off rapidly, solidify, with the making elastical cloth as shown in Figure 12 that is shaped with this plain weave layer of cloth 22.
At last, adopt 5 pairs of these elastical cloths 2 of an edge iron to carry out deburring, cut with the elastical cloth 2 after 6 pairs of deburrings of a slicer again, or directly the elastical cloth after the deburring 2 is furled just passable.
Therefore; The present invention bestows cold rolling and air cooling and handles after this plain weave layer of cloth 22 and this thermoplastic elastic rete 21 that is the high-temperature fusion shape are fitted, and making this thermoplastic elastic rete 21 and this plain weave layer of cloth 22 pressing promptly and cooling forming is this elastical cloth 2; Thereby; Not only let processing procedure simplification of the present invention, low cost of manufacture and to produce yield high, especially between this thermoplastic elastic rete 21 and this plain weave layer of cloth 22 use contain the sticker of organic solvent, the pernicious gas and the waste material that effectively reduce processing procedure and discharged; Guarantee processing procedure and security of products; Processing procedure personnel and end user healthy can be on the hazard and endanger, can also reduce impact simultaneously, and then let the present invention have health, the safety characteristics of environmental protection again concurrently environment.
Like Fig. 3 and shown in Figure 4; One second preferred embodiment of elastical cloth of the present invention and solvent-free applying processing procedure thereof; Different with above-mentioned this first preferred embodiment be in; This elastical cloth 2 shown in Figure 3 also comprises another surperficial lining layer 23 of this thermoplastic elastic rete 21 of welding; This thermoplastic elastic rete 21 also has the 3rd layer of portion 215 that an one surface engages opposite another surface of this second layer portion 212, and a surface of this lining layer 23 is another surfaces of the 3rd layer of portion 215 of welding.
And the solvent-free applying processing procedure of this elastical cloth shown in Figure 4 is to be used for making being shaped above-mentioned elastical cloth 2 products.
So; At step (a), be three parts of allotments respectively in order to make the thermoplastic elastic sizing material of this ground floor portion 211, this second layer portion 212 and the 3rd layer of portion 215, give drying after; Said three thermoplastic elastic sizing materials are got into respectively carry out fusion, mixing and extrusion in three extruders; Three parts of extrusion things of gained are led respectively in three runners of a current divider into again, and at last via the common extrusion of a T shape die head, this thermoplastic elastic rete 21 just can be shaped; Wherein, the thickness of the 3rd layer of portion 215 is between 0.05 millimeter to 0.1 millimeter.
Said is PE, EVA, MA, EMA, EBA, SEBS, SBS in order to make the thermoplastic elastomer of the 3rd layer of portion 215, or these a combination.
At step (b), must get this lining layer 23 in addition, this lining layer 23 is with nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or nylon and the blend fibre of cotton flat fabric or the looped fabric processed.
Then, in step (c), be this lining layer 23 to be fitted in be in the 3rd layer of portion 215 of high-temperature fusion shape.
Then; In step (d); This plain weave layer of cloth 22 of fitting in regular turn, this thermoplastic elastic rete 21 sent in this cold rolling equipment 4 with this lining layer 23 carry out pressing, cooling, likewise, said pinch roller 41 can make the 3rd layer of portion 215 and these lining layer 23 pressings; And the 3rd layer of viscosity that portion 215 is produced that is the high-temperature fusion shape; Can make the 3rd layer of portion 215 with this lining layer 23 fusions, then be integral, cooperate said pinch roller 41, said first cooling wheel 42, said second cooling wheel 43 and the cooling effect that this air knife 45 is provided, just can make elastical cloth 2 products shown in 3 of publishing picture that are shaped.
Likewise, it is high that the present invention also can reach processing procedure simplification, low cost of manufacture, production yield certainly, and healthy, safety effect such as environmental protection again.
Be noted that in addition; In this second preferred embodiment of the invention described above; This lining layer 23 can be inessential; So, elastical cloth 2 structures that made is shaped are by the thermoplastic elastic rete 21 with this ground floor portion 211, this second layer portion 212 and the 3rd layer of portion 215, and these plain weave layer of cloth 22 joints form.
Claims (17)
1. the solvent-free applying processing procedure of an elastical cloth; It is characterized in that comprising the following step: the thermoplastic elastic rete that (a) is total to a molten of extrusion shaping; This thermoplastic elastic rete has a ground floor portion, and the second layer portion on a surface of this ground floor portion of one surface joint; (b) get a plain weave layer of cloth; (c) this flat fabric laminating is combined in another surface of this ground floor portion of molten; (d) carry out cold rolling and handle, make this thermoplastic elastic rete and this plain weave layer of cloth welding and cooling.
2. according to the solvent-free applying processing procedure of the said elastical cloth of claim 1, it is characterized in that: at step (a), this thermoplastic elastic rete also has the 3rd layer of portion that an one surface engages opposite another surface of this second layer portion.
3. according to the solvent-free applying processing procedure of the said elastical cloth of claim 2; It is characterized in that: at step (b); Other gets a lining layer, at step (c), makes this lining laminating be combined in another surface of the 3rd layer of portion of molten; At step (d), this plain weave layer of cloth, this thermoplastic elastic rete and this lining layer three are carried out cold rolling handle.
4. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (a), the foaming density of this second layer portion is between 0.1g/cm
3To 0.9g/cm
3Between.
5. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (a), the temperature of this thermoplastic elastic rete is between 150 ℃ to 220 ℃.
6. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (d), operated cold rolling treatment temperature is between 20 ℃ to 90 ℃.
7. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (a), the thickness of this ground floor portion is between 0.05 millimeter to 0.1 millimeter.
8. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary right in the claim 1 to 3, it is characterized in that: at step (a), the thickness of this second layer portion is between 0.1 millimeter to 0.3 millimeter.
9. according to the solvent-free applying processing procedure of claim 2 or 3 said elastical cloths, it is characterized in that: at step (a), the thickness of the 3rd layer of portion is between 0.05 millimeter to 0.1 millimeter.
10. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3; It is characterized in that: at step (a); This ground floor portion is polyethylene, ethylene-vinyl acetate copolymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer, or these a combination is made.
11. solvent-free applying processing procedure according to the said elastical cloth of arbitrary right in the claim 1 to 3; It is characterized in that: at step (a), this second layer portion has a base-material body, and the additive that is blended in this base-material body; This base-material body is styrene-ethylene-butylene-styrene elastomer, ethylene-vinyl acetate co-polymer; Or styrene-butylene-styrene elastomer is made, and this additive is hollow glass ball, blowing microcapsule, or organic foaming agent.
12. solvent-free applying processing procedure according to claim 2 or 3 said elastical cloths; It is characterized in that: at step (a); The 3rd layer of portion is polyethylene, ethylene-vinyl acetate co-polymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer; Styrene-ethylene-butylene-styrene elastomer, styrene-butylene-styrene elastomer, or these a combination is made.
13. solvent-free applying processing procedure according to the said elastical cloth of arbitrary claim in the claim 1 to 3; It is characterized in that: at step (b); This plain weave layer of cloth is nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or the blend fibre of nylon and cotton is processed.
14. solvent-free applying processing procedure according to the said elastical cloth of claim 3; It is characterized in that: at step (b); This lining layer is with nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or nylon and the blend fibre of cotton flat fabric or the looped fabric processed.
15. an elastical cloth comprises a plain weave layer of cloth; It is characterized in that: this elastical cloth also comprises a thermoplastic elastic rete of extrusion shaping altogether; This thermoplastic elastic rete has a ground floor portion; And the second layer portion on a surface of this ground floor portion of one surface joint, another surface of this ground floor portion of surperficial welding of this plain weave layer of cloth.
16. elastical cloth according to claim 15 is characterized in that: this thermoplastic elastic rete also has the 3rd layer of portion that an one surface engages another surface of this second layer portion.
17. elastical cloth according to claim 16 is characterized in that: this elastical cloth also comprises another surperficial lining layer of the 3rd layer of portion of an one surface welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100989744A CN102744955A (en) | 2011-04-20 | 2011-04-20 | Elastic cloth and its solvent-free coating process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100989744A CN102744955A (en) | 2011-04-20 | 2011-04-20 | Elastic cloth and its solvent-free coating process |
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| CN102744955A true CN102744955A (en) | 2012-10-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234950A (en) * | 2017-06-21 | 2017-10-10 | 安徽省地坤汽车天窗科技有限公司 | The roller shutter and its manufacture method of a kind of outward opening panoramic sunroof of automobile |
| CN110446598A (en) * | 2017-04-24 | 2019-11-12 | 康蒂泰克驱动系统有限公司 | For producing the method for composite fabric material and being covered with the transmission belt of composite fabric material |
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| JPH10193430A (en) * | 1997-01-16 | 1998-07-28 | Kuraray Co Ltd | Manufacture of laminate |
| JP2000073019A (en) * | 1998-08-31 | 2000-03-07 | Sekisui Chem Co Ltd | Substrate for cloth tacky tape |
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| CN1135965A (en) * | 1996-03-04 | 1996-11-20 | 南亚塑胶工业股份有限公司 | Process for producing composite plastic coating by thermal plastic polyolefin resin and ethylene-vinyl acetate copolymer |
| JPH10193430A (en) * | 1997-01-16 | 1998-07-28 | Kuraray Co Ltd | Manufacture of laminate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110446598A (en) * | 2017-04-24 | 2019-11-12 | 康蒂泰克驱动系统有限公司 | For producing the method for composite fabric material and being covered with the transmission belt of composite fabric material |
| US11110674B2 (en) | 2017-04-24 | 2021-09-07 | Contitech Antriebssysteme Gmbh | Method for producing a composite fabric material and drive belt covered with composite fabric material |
| CN107234950A (en) * | 2017-06-21 | 2017-10-10 | 安徽省地坤汽车天窗科技有限公司 | The roller shutter and its manufacture method of a kind of outward opening panoramic sunroof of automobile |
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Application publication date: 20121024 |