CN101337526A - Wet process technique of PU flexible foam top-liner - Google Patents
Wet process technique of PU flexible foam top-liner Download PDFInfo
- Publication number
- CN101337526A CN101337526A CNA2008100220044A CN200810022004A CN101337526A CN 101337526 A CN101337526 A CN 101337526A CN A2008100220044 A CNA2008100220044 A CN A2008100220044A CN 200810022004 A CN200810022004 A CN 200810022004A CN 101337526 A CN101337526 A CN 101337526A
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- controlled
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- roof liner
- liner
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000006260 foam Substances 0.000 title claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 41
- 239000003365 glass fiber Substances 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000000748 compression moulding Methods 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 claims description 25
- 238000007493 shaping process Methods 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000010073 coating (rubber) Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000007761 roller coating Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Abstract
The invention relates to a wet producing process for PU soft foam roof lining. The process comprises the following steps: rubber coating, glass fiber sprinkling, pressure molding, cooling to shape, fabric fitting, cooling to shape, water jet cutting and accessory mounting. The wet producing process has the advantages that the weight of the roof lining produced by the method of the invention is greatly reduced, the requirement of the lightweight design for the complete machine is met, the rigidity of the product is good, the nearly 3 meter long product cannot be broken nor droops, and the harmful substances cannot be generated during the overall production process.
Description
Technical field
The present invention relates to a kind of wet process technique of PU flexible foam top-liner, specifically a kind ofly be used to be installed in automobile top, play heat insulation, sound insulation and the wet process technique of the PU flexible foam top-liner of the effect that beautifies, belong to automotive upholstery manufacturing technology field.
Background technology
Automotive upholstery generally is installed on automobile top, the effect of playing heat insulation, sound insulation and beautifying.More and more pursuing High Performance, environment-friendly type, energy-saving, lightweight, personalized epoch, the interior trim of automobile is the same with the profile of automobile, becomes the key factor that people choose automobile.Therefore also more and more higher to the requirement of automotive upholstery.In the prior art, performance figure such as the high sound-absorbing of roof liner, low grammes per square metre, high strength become bottleneck, are restricting the development of roof liner.Existing roof liner normally adopts compound PU sheet material straight forming, and this kind forming process mainly exists following problem: 1, sound-absorbing index out of reach requirement; 2, product rigidity is poor, easily sagging, the jackknifing of product of especially long size; 3, product weight is big, is unfavorable for the car load lightweight, and is energy-conservation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of sound absorption qualities is good, rigidity is big, be difficult for saggingly fractureing, the wet process technique of the PU flexible foam top-liner of light weight, and this production process does not have objectionable impurities to produce.
According to technical scheme provided by the invention, the wet process technique of described PU flexible foam top-liner comprises following steps:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in PU roof liner matrix upper and lower surface, the plastic roll motor speed is controlled at: 35～40 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at: 0.4～0.6mm, each single face spread of PU roof liner matrix upper and lower surface is controlled at: 150～170g/m
2Play the rigidity effect of roof liner by the PU gluing.
(b), glass fibre is unrestrained: adopt the cutting machine cutting glass fibre, at the even glass fibre of unrestrained well cutting of each single face of the upper and lower surface of the PU of step a roof liner matrix, the unrestrained amount of the glass fibre of each single face of the upper and lower surface of PU roof liner matrix is controlled at 90～110g/m
2(being preferably scope) has the upper and lower surface of the PU roof liner matrix of glass fibre to cover nonwoven fabrics and PE glued membrane successively unrestrained again, makes PU roof liner half-blank; These combination of raw materials have certain supporting role together.
(c), compression moulding: the PU roof liner half-blank of step b is pressed in mould, and the patrix temperature is controlled at during compression moulding: 130～140 ℃, the counterdie temperature is controlled at during compression moulding: 130～140 ℃, forming pressure is controlled at: 65～75kgf/cm
2, molding time is controlled at: 50～55sec makes the compression moulding half-blank; Make the substrate forming of roof liner after the compacting by heating mould, satisfy the requirement of automotive trim smell after simultaneously glue fully being reacted.
(d), cooling and shaping: the compression moulding half-blank of step c is cooled to normal temperature, makes its typing; Typing is an assembling of considering car load, satisfies the matching requirements of roof liner size by cooling and shaping, and part is not yielding.
(e), lining is fitted: paste decorative fabric on the semi-finished lower surface behind the steps d cooling and shaping, then this half-blank is placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at during applying: 80～90 ℃, the counterdie temperature is controlled at during applying: 80～90 ℃, laminate pressure is controlled at: 45～55kgf/cm
2, the applying time is controlled at: 30～35sec; Compound requirement that reaches appearance by lining.
(f), cooling and shaping: will be cooled to normal temperature through the half-blank that step e lining was fitted, and make its typing; Typing is an assembling of considering car load, satisfies the matching requirements of roof liner size by cooling and shaping, and part is not yielding.
(g), water cutter cutting: will carry out the cutting of water cutter through the half-blank that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at: 40000～50000psi, the Cutting Gas pressure-controlled exists: 4.0～6.0kg/cm
2Finish the dimensional characteristic that can satisfy assembling according to designing requirement to guarantee part.
(h), annex is installed: the half-blank of step g cutting is installed annex be finished product, control dwell time: 10～15sec when installation accessories, folding time :≤20sec;
Glue among the step a adopts the glue of aqua type.Be a kind of glue, satisfy the requirement of smell fully, unharmful substance by air reaction.
The hardening time of steps d is controlled at: 45～55sec;
Decorative fabric described in the step e is selected warp-knitted face fabric or needle punched non-woven fabrics for use.Select different decorative fabrics for use according to the requirement in client market, warp-knitted face fabric is generous, the class height.And the needle punched non-woven fabrics easy cleaning.
The hardening time of step f is controlled at: 45～55sec.
The roof liner weight that makes by method of the present invention can reduce greatly, has satisfied the requirement of car load light-weight design, and the good rigidly of product can make nearly 3 meters long products, can not fracture, sagging, and whole process of production does not have objectionable impurities to produce.
The specific embodiment
Embodiment 1
Production Shanghai GM model is the roof liner of Epsilon II, and the roof liner specification is: 1850 * 1500mm.
The production technology of this roof liner is as follows:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in PU roof liner matrix upper and lower surface, roller coating glue is the glue of aqua type, the plastic roll motor speed is controlled at 35 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at 0.4mm, and each single face spread on the upper and lower surface of PU roof liner matrix is controlled at 150g/m
2
(b), glass fibre is unrestrained: adopt the cutting machine cutting glass fibre, at the even glass fibre of unrestrained well cutting of each single face of the upper and lower surface of the PU of step a roof liner matrix, the unrestrained amount of the glass fibre of each single face of the upper and lower surface of PU roof liner matrix is controlled at 90g/m
2(being preferably scope) has the upper and lower surface of the PU roof liner matrix of glass fibre to cover nonwoven fabrics and PE glued membrane successively unrestrained again, makes PU roof liner half-blank;
(c), compression moulding: the PU roof liner half-blank of step b is pressed in mould, and the patrix temperature is controlled at 130 ℃ during compression moulding, and the counterdie temperature is controlled at 130 ℃ during compression moulding, and forming pressure is controlled at 65kgf/cm
2, molding time is controlled at 50sec (second), makes the compression moulding half-blank;
(d), cooling and shaping: the compression moulding half-blank of step c is cooled to normal temperature, makes its typing;
(e), lining is fitted: paste decorative fabric on the semi-finished lower surface behind the steps d cooling and shaping, then this half-blank is placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at 80 ℃ during applying, and the counterdie temperature is controlled at 80 ℃ during applying, and laminate pressure is controlled at 45kgf/cm
2, the applying time is controlled at 30sec (second);
(f), cooling and shaping: will be cooled to normal temperature through the half-blank that step e lining was fitted, and make its typing;
(g), water cutter cutting: will carry out the cutting of water cutter through the half-blank that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at 40000psi, and the Cutting Gas pressure-controlled is at 4.0kg/cm
2
(h), annex is installed: the half-blank of step g cutting is installed annex be finished product, the control dwell time was 10～15sec (second) when annex was installed, and the folding time is≤20sec (second);
The device that forms with this roof liner and accessory assembling has following performance perameter:
1. flame retardance satisfies GMW3232,＜100mm/min
2. acoustic efficiency satisfies GMW14189, and the evaluation by PATAC
3. colour fastness to rubbing satisfies the requirement of ISO105-B06, test result≤3 grade
4. smell satisfies the requirement of GMW3025, test result 〉=6 grade
5. resistance to abrasion satisfies the requirement of GMW1423, through 300 times circulation rear surface outward appearances 〉=6 grades.
Embodiment 2
Production Shanghai GM model is the roof liner of D16, and the roof liner specification is 1900 * 1450mm
The production technology of this roof liner is as follows:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in PU roof liner matrix upper and lower surface, roller coating glue is the glue of aqua type, the plastic roll motor speed is controlled at 40 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at 0.6mm, and each single face spread on the upper and lower surface of PU roof liner matrix is controlled at 170g/m
2
(b), glass fibre is unrestrained: adopt the cutting machine cutting glass fibre, at the even glass fibre of unrestrained well cutting of each single face of the upper and lower surface of the PU of step a roof liner matrix, the unrestrained amount of the glass fibre of each single face of the upper and lower surface of PU roof liner matrix is controlled at 110g/m
2, there is the upper and lower surface of the PU roof liner matrix of glass fibre to cover nonwoven fabrics and PE glued membrane successively unrestrained again, make PU roof liner half-blank;
(c), compression moulding: the PU roof liner half-blank of step b is pressed in mould, and the patrix temperature is controlled at 140 ℃ during compression moulding, and the counterdie temperature is controlled at 140 ℃ during compression moulding, and forming pressure is controlled at 75kgf/cm
2, molding time is controlled at 55sec, makes the compression moulding half-blank;
(d), cooling and shaping: the compression moulding half-blank of step c is cooled to normal temperature, makes its typing, hardening time is controlled at 45sec;
(e), lining is fitted: paste warp-knitted face fabric on the semi-finished lower surface behind the steps d cooling and shaping, then this half-blank is placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at 90 ℃ during applying, and the counterdie temperature is controlled at 90 ℃ during applying, and laminate pressure is controlled at 55kgf/cm
2, the applying time is controlled at 35sec;
(f), cooling and shaping: will be cooled to normal temperature through the half-blank that step e lining was fitted, and make its typing, hardening time is controlled at 55sec.
(g), water cutter cutting: will carry out the cutting of water cutter through the half-blank that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at 50000psi, and the Cutting Gas pressure-controlled is at 6.0kg/cm
2
(h), annex is installed: the half-blank of step g cutting is installed annex be finished product, the control dwell time was 10～15sec when annex was installed, folding time≤20sec.
The device that forms with this roof liner and accessory assembling has following performance perameter:
1. flame retardance satisfies GMW3232,＜100mm/min
2. acoustic efficiency satisfies GMW14189, and the evaluation by PATAC
3. colour fastness to rubbing satisfies the requirement of ISO105-B06, test result≤3 grade
4. smell satisfies the requirement of GMW3025, test result 〉=6 grade
5. resistance to abrasion satisfies the requirement of GMW1423, through 300 times circulation rear surface outward appearances 〉=6 grades
Embodiment 3
Production Shanghai GM model is the roof liner of D51, and the roof liner specification is 2100 * 1450mm.
The production technology of this roof liner is as follows:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in PU roof liner matrix upper and lower surface, roller coating glue is the glue of aqua type, the plastic roll motor speed is controlled at 38 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at 0.5mm, and each single face spread on the upper and lower surface of PU roof liner matrix is controlled at 160g/m
2
(b), glass fibre is unrestrained: adopt the cutting machine cutting glass fibre, at the even glass fibre of unrestrained well cutting of each single face of the upper and lower surface of the PU of step a roof liner matrix, the unrestrained amount of the glass fibre of each single face of the upper and lower surface of PU roof liner matrix is controlled at 100g/m
2(being preferably scope) has the upper and lower surface of the PU roof liner matrix of glass fibre to cover nonwoven fabrics and PE glued membrane successively unrestrained again, makes PU roof liner half-blank;
(c), compression moulding: the PU roof liner half-blank of step b is pressed in mould, and the patrix temperature is controlled at during compression moulding: 135 ℃, the counterdie temperature is controlled at 135 ℃ during compression moulding, and forming pressure is controlled at 70kgf/cm
2, molding time is controlled at 52sec, makes the compression moulding half-blank;
(d), cooling and shaping: the compression moulding half-blank of step c is cooled to normal temperature, makes its typing, hardening time is controlled at 50sec;
(e), lining is fitted: paste needle punched non-woven fabrics on the semi-finished lower surface behind the steps d cooling and shaping, then this half-blank is placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at during applying: 80～90 ℃, the counterdie temperature is controlled at 85 ℃ during applying, and laminate pressure is controlled at 50kgf/cm
2, the applying time is controlled at 33sec;
(f), cooling and shaping: will be cooled to normal temperature through the half-blank that step e lining was fitted, and make its typing, hardening time is controlled at 50sec;
(g), water cutter cutting: will carry out the cutting of water cutter through the half-blank that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at 45000psi, and the Cutting Gas pressure-controlled is at 5.0kg/cm
2
(h), annex is installed: the half-blank of step g cutting is installed annex be finished product, the dwell time was controlled at 10～15sec, folding time≤20sec when annex was installed;
The device that forms with this roof liner and accessory assembling has following performance perameter:
1. flame retardance satisfies GMW3232,＜100mm/min.
2. acoustic efficiency satisfies GMW14189, and the evaluation by PATAC.
3. colour fastness to rubbing satisfies the requirement of ISO105-B06, test result≤3 grade.
4. smell satisfies the requirement of GMW3025, test result 〉=6 grade.
5. resistance to abrasion satisfies the requirement of GMW1423, through 300 times circulation rear surface outward appearances 〉=6 grades.
Claims (5)
1, a kind of wet process technique of PU flexible foam top-liner is characterized in that this technology comprises following steps:
(a), plastic roll: adopt the plastic roll machine to carry out plastic roll in PU roof liner matrix upper and lower surface, the plastic roll motor speed is controlled at: 35～40 rev/mins, the upper and lower roller pitch of plastic roll machine is controlled at: 0.4～0.6mm, each single face spread on the upper and lower surface of PU roof liner matrix is controlled at: 150～170g/m
2
(b), glass fibre is unrestrained: adopt the cutting machine cutting glass fibre, at the even glass fibre of unrestrained well cutting of each single face of the upper and lower surface of the PU of step a roof liner matrix, the unrestrained amount of the glass fibre of each single face of the upper and lower surface of PU roof liner matrix is controlled at 90～110g/m
2, there is the upper and lower surface of the PU roof liner matrix of glass fibre to cover nonwoven fabrics and PE glued membrane successively unrestrained again, make PU roof liner half-blank;
(c), compression moulding: the PU roof liner half-blank of step b is pressed in mould, and the patrix temperature is controlled at during compression moulding: 130～140 ℃, the counterdie temperature is controlled at during compression moulding: 130～140 ℃, forming pressure is controlled at: 65～75kgf/cm
2, molding time is controlled at: 50～55sec makes the compression moulding half-blank;
(d), cooling and shaping: the compression moulding half-blank of step c is cooled to normal temperature, makes its typing;
(e), lining is fitted: paste decorative fabric on the semi-finished lower surface behind the steps d cooling and shaping, then this half-blank is placed the pressurizing attaching of heating in the mould, the patrix temperature is controlled at during applying: 80～90 ℃, the counterdie temperature is controlled at during applying: 80～90 ℃, laminate pressure is controlled at: 45～55kgf/cm
2, the applying time is controlled at: 30～35sec;
(f), cooling and shaping: will be cooled to normal temperature through the half-blank that step e lining was fitted, and make its typing;
(g), water cutter cutting: will carry out the cutting of water cutter through the half-blank that step f cooling and shaping is crossed, cutting hydraulic pressure is controlled at: 40000～50000psi, the Cutting Gas pressure-controlled exists: 4.0～6.0kg/cm
2
(h), annex is installed: the half-blank of step g cutting is installed annex be finished product.Dwell time: 10～15sec, the folding time :≤20sec.
2, the wet process technique of a kind of PU flexible foam top-liner according to claim 1 is characterized in that: the glue among the step a adopts the glue of aqua type.
3, the wet process technique of a kind of PU flexible foam top-liner according to claim 1 is characterized in that: the hardening time of steps d is controlled at: 45～55sec.
4, the wet process technique of a kind of PU flexible foam top-liner according to claim 1 is characterized in that: the decorative fabric described in the step e is selected warp-knitted face fabric or needle punched non-woven fabrics for use.
5, the wet process technique of a kind of PU flexible foam top-liner according to claim 1 is characterized in that: the hardening time of step f is controlled at: 45～55sec.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100220044A CN101337526B (en) | 2008-06-23 | 2008-06-23 | Wet process technique of PU flexible foam top-liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100220044A CN101337526B (en) | 2008-06-23 | 2008-06-23 | Wet process technique of PU flexible foam top-liner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101337526A true CN101337526A (en) | 2009-01-07 |
| CN101337526B CN101337526B (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100220044A Active CN101337526B (en) | 2008-06-23 | 2008-06-23 | Wet process technique of PU flexible foam top-liner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659242B (en) * | 2009-09-07 | 2011-01-19 | 无锡吉兴汽车声学部件科技有限公司 | Method for producing reconstituted cotton type ceiling by high-temperature steam |
| CN101947829A (en) * | 2010-08-09 | 2011-01-19 | 无锡吉兴汽车部件有限公司 | One-step forming wet production process of automobile calash |
| CN104191939A (en) * | 2014-08-22 | 2014-12-10 | 无锡吉兴汽车部件有限公司 | Automobile sunroof sun shield production method |
| CN114474883A (en) * | 2022-03-17 | 2022-05-13 | 无锡吉兴汽车声学部件科技有限公司 | Hot-pressing gel edge folding and inserting structure for internal and external ornaments and processing method thereof |
| CN114536879A (en) * | 2022-03-17 | 2022-05-27 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloidal fiber coagulation structure and processing method thereof |
-
2008
- 2008-06-23 CN CN2008100220044A patent/CN101337526B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659242B (en) * | 2009-09-07 | 2011-01-19 | 无锡吉兴汽车声学部件科技有限公司 | Method for producing reconstituted cotton type ceiling by high-temperature steam |
| CN101947829A (en) * | 2010-08-09 | 2011-01-19 | 无锡吉兴汽车部件有限公司 | One-step forming wet production process of automobile calash |
| CN104191939A (en) * | 2014-08-22 | 2014-12-10 | 无锡吉兴汽车部件有限公司 | Automobile sunroof sun shield production method |
| CN114474883A (en) * | 2022-03-17 | 2022-05-13 | 无锡吉兴汽车声学部件科技有限公司 | Hot-pressing gel edge folding and inserting structure for internal and external ornaments and processing method thereof |
| CN114536879A (en) * | 2022-03-17 | 2022-05-27 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloidal fiber coagulation structure and processing method thereof |
| WO2023173707A1 (en) * | 2022-03-17 | 2023-09-21 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloid and fiber coagulation structure and processing method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101337526B (en) | 2010-09-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: WUXI JIXING AUTOMOBILE PARTS CO., LTD. Free format text: FORMER OWNER: LIU MINGCHUN Effective date: 20090410 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090410 Address after: No. 322 Youyi North Road, Xishan Economic Development Zone, Jiangsu, Wuxi province (Ji Xing automotive interior decoration Co., Ltd.), postcode: 214191 Applicant after: WUXI JIXING AUTO PARTS Co.,Ltd. Address before: No. 322 Youyi North Road, Xishan Economic Development Zone, Jiangsu, Wuxi province (Ji Xing automotive interior decoration Co., Ltd.), postcode: 214191 Applicant before: Liu Mingchun |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: PROPRIETECT LLP Assignor: WUXI JIXING AUTO PARTS Co.,Ltd. Contract record no.: 2012320000599 Denomination of invention: Wet process technique of PU flexible foam top-liner Granted publication date: 20100915 License type: Exclusive License Open date: 20090107 Record date: 20120516 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090107 Assignee: PROPRIETECT LLP Assignor: WUXI JIXING AUTO PARTS Co.,Ltd. Contract record no.: 2012320000599 Denomination of invention: Wet process technique of PU flexible foam top-liner Granted publication date: 20100915 License type: Exclusive License Record date: 20120516 |
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Address after: 214191 friendship north road, Xishan Economic Development Zone, Jiangsu, Wuxi 322, China Patentee after: Wuxi Jixing polymer material technology Co.,Ltd. Address before: 214191 friendship north road, Xishan Economic Development Zone, Jiangsu, Wuxi 322, China Patentee before: PROPRIETECT LLP |
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