CN1294227C - Cloth for friction material - Google Patents
Cloth for friction material Download PDFInfo
- Publication number
- CN1294227C CN1294227C CNB2004100356830A CN200410035683A CN1294227C CN 1294227 C CN1294227 C CN 1294227C CN B2004100356830 A CNB2004100356830 A CN B2004100356830A CN 200410035683 A CN200410035683 A CN 200410035683A CN 1294227 C CN1294227 C CN 1294227C
- Authority
- CN
- China
- Prior art keywords
- fiber
- cloth
- friction material
- fibre
- auxiliary agent
- 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.)
- Expired - Lifetime
Links
- 239000002783 friction material Substances 0.000 title claims abstract description 38
- 239000004744 fabric Substances 0.000 title claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 81
- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000009941 weaving Methods 0.000 claims abstract 2
- 238000009987 spinning Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 7
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 6
- 229920000297 Rayon Polymers 0.000 claims description 5
- 240000008564 Boehmeria nivea Species 0.000 claims description 3
- 239000010779 crude oil Substances 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 10
- 239000010425 asbestos Substances 0.000 abstract description 3
- 229910052895 riebeckite Inorganic materials 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000010790 dilution Methods 0.000 description 8
- 239000012895 dilution Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 235000013351 cheese Nutrition 0.000 description 5
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 4
- 239000000391 magnesium silicate Substances 0.000 description 4
- 229910052919 magnesium silicate Inorganic materials 0.000 description 4
- 235000019792 magnesium silicate Nutrition 0.000 description 4
- 210000002268 wool Anatomy 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000009960 carding Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004113 Sepiolite Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
Abstract
The present invention relates to cloth for a friction material, which belongs to the friction material of the brake. The present invention is characterized in that ceramic fibers are used as base materials. One or a plurality of reinforced fibres are added, and part of an auxiliary agent is added. The present invention is made by the process steps of release, teasing, the slubbing of spun yarn, stranding, spooling, weaving, etc. The compositions of the present invention contain 50 to 63 portions of ceramic fibre, 24 to 36 portions of reinforced fibre, 12 to 17 portions of metal fibre and 0 to 2 portions of auxiliary agent. The ceramic fibre with different component contents and components are adopted by the present invention as a base material to replace an asbestos fibre. After one or a plurality of reinforced fibres and part of auxiliary agent are added, the heat resistant properties of the friction material are effectively increased, and accordingly, the safety properties of the vehicles and equipment are improved.
Description
Technical field
The invention belongs to the stopper friction materials, specifically is a kind of cloth for friction material.
Background technology
Friction materials is vehicle and the clutch assembly of machinery and the key safety part in the stopper.Generally form by binding agent, fiber reinforced material, filler three parts.Traditional fiber reinforced material mainly contains: fibrous magnesium silicate, fiber sepiolite, acicular wollastonite, rock wool, glass fibre, steel fiber, copper fiber, aluminum fiber, aramid fiber, charcoal fiber etc.
No asbestos friction materials is the trend of current friction materials development.
No asbestos friction materials comprises semimetal friction material, NAO friction materials, blend fiber type friction materials, powder metallurgy friction material and carbon fiber friction material etc.During forming, its material formula of semimetal friction material contains the ferrous metal thing (steel fiber, reduced iron powder or foam ferrous powder) about 30%-40% usually, be characterized in that good heat resistance, unit absorption power height, thermal conductivity are big, can be applicable to the working condition requirement of automobile when high speed, heavy service, but it exists brake noise big, corner embrittlement etc. shortcoming.Base material thing in the NAO friction materials is from broadly being meant non-asbestos-non-steel fiber type friction materials.Powder metallurgy friction material is with iron-based, copper original washing powder shape material, through mix, die mould and at high temperature sintering form.Powder metallurgy friction material is longer work-ing life.But this based article price height, brake noise are big, and heavy and crisp, the antithesis friction is bigger.Carbon fiber friction material has characteristics such as high-modulus, thermal conductivity be good, heat-resisting, but its output is little and cost an arm and a leg.
Summary of the invention
The objective of the invention is to adopt ceramic fiber is that base material replaces fibrous magnesium silicate, and after adding one or more reinforcing fibres and adding part of auxiliary, can effectively improve the resistance toheat of friction materials, thereby improve a kind of friction materials enhancing yarn of vehicle and device '.
The present invention is achieved by the following technical solutions:
It is a kind of cloth for friction material, with the ceramic fiber is base material, add one or more reinforcing fibres, and adding part of auxiliary, through shredding, combing, slubbing spun yarn, plying, winder, operation such as weave and make, it is characterized in that its weight contains ceramic fiber 50-63 part, reinforcing fibre 24-36 part in forming, steel fiber 12-17 part, auxiliary agent 0-2 part.
Precentagewise contains Al in the main component component of described product
2O
316-36%, SiO
235-50%, metal 12-17%, loss on ignition 17-35%, moisture regain≤3%, warp-wise density 26-60 root/10cm, latitudinal density 21-30 root/10cm, volume density 300-700Kg/m
3
The reinforcing fibre that is adopted is one or more the compound uses in six kinds of the ramie yarns, glass fibre, fire-retardant fibre, viscose fiber, aramid fiber, charcoal fiber; The steel fiber that is adopted is a kind of or compound use in three kinds on the steel wire, Stainless Steel Wire, copper wire; The auxiliary agent that is adopted be with three kinds of crude oils, static inhibitor, spinning amendment in a kind of or wherein two kinds or compound use.
It is that base material replaces fibrous magnesium silicate that the present invention adopts ceramic fiber, and after adding one or more reinforcing fibres and adding part of auxiliary, can effectively improve the resistance toheat of friction materials, thereby improves vehicle and device '.
Embodiment
The present invention contains ceramic fiber 50-63 part in will weight forming, reinforcing fibre 24-36 part, and steel fiber 12-17 part, auxiliary agent 0-2 part is through shredding, combing, slubbing spun yarn, plying, winder, operation such as weave and make.
The said shredding operation of the present invention is that ceramic fiber, reinforcing fibre and auxiliary agent are carried out uniform mixing by a certain percentage, a kind of or wherein two kinds or compound use in three kinds of its auxiliary agent employing and crude oil, static inhibitor, the spinning amendments, and auxiliary agent will adopt 30-60 ℃ warm water to dilute, Dilution ratio is an oil: water=1: 5-15 is sprayed on the ceramic fiber and reinforcing fibre that shredding finishes then uniformly.
The present invention is fully immersed in the fiber for guaranteeing auxiliary agent in addition, and the mixed raw material of shredding will be in wool bin can use in vexed storehouse 8-24 hour.To carry out combing and form certain regular wool top by carding equipment with the fiber behind the hair by carding process then, the wool top twisting that carding is formed by spinning process forms the silvalin of 350-1500Tex (tex) again, this operation need be added line feeder to improve the brute force of silvalin, and per share yarn generally adds 1-3 root reinforced wire.Line feeder adopts a kind of or compound use in glass fiber yarn, copper wire, the high temperature resistant stainless steel silk.
By the plying operation wool top is formed fiber yarn by twisting, plying then, the fiber yarn system that this operation forms is 700-3000Tex often.And doubled yarn form is produced required bobbin yarn with certain rule, shape by cheese winder by winding procedure.Weave at last the bobbin yarn is weaved by loom, and by transposing steel porter number, the filling density gear makes warp, the filling density difference of variant production, formation has the product of certain weave construction, the organic content 17-35% of product, moisture regain≤3%, warp-wise density 26-60 root/10cm, latitudinal density 21-30 root/10cm, volume density 300-700Kg/m
3
Embodiment one
Take by weighing 48 parts of ceramic fibers by weight, 25 parts of viscose fibers, 2 parts of spinning assistants, and spinning assistant put into 35 ℃ warm water in oil: the ratio of water=1: 5 is diluted.Ceramic fiber and viscose fiber are carried out uniform mixing, mix finish after, evenly spray the auxiliary agent that dilution is finished, and vexed storehouse 12 hours.After finishing, vexed storehouse adds 13 parts of spun yarns of glass fibre, form the silvalin of 500Tex (tex) this moment by twisting, and add 12 parts of copper wires plying, twisting forms the fiber yarn of 1800Tex then, and through doff machine formation cheese, and adopt fabric manufacture equipment to produce friction materials cloth, 56/10cm of this product warp-wise density, 26/10cm of latitudinal density, volume density is 500Kg/m
3, this cloth organic content is 28%, and the product moisture regain is 2.5%, and precentagewise is Al in the main component component in the product
2O
3: 16%, SiO
2: 47%, metal: 17%, loss on ignition: 20%.
Embodiment two
Take by weighing 50 parts of ceramic fibers by weight, 25 parts of fire-retardant fibres, 2 parts of spinning assistants, and spinning assistant put into 40 ℃ warm water in oil: the ratio of water=1: 6 is diluted.Ceramic fiber and fire-retardant fibre are carried out uniform mixing, mix finish after, evenly spray the auxiliary agent that dilution is finished, and vexed storehouse 16 hours.After finishing, vexed storehouse adds 13 parts of charcoal fibers, form the silvalin of 600Tex (tex) this moment by twisting, twist and add the fiber yarn of 12 parts of glass fiber yarn silk plying formation 1850Tex then, and through doff machine formation cheese, and adopt fabric manufacture equipment to produce the friction materials cloth, 60/10cm of this product warp-wise density, 30/10cm of latitudinal density, volume density is 530Kg/m
3, this cloth organic content is 27%, and the product moisture regain is 1.9%, and precentagewise is Al in the main component component in the product
2O
3: 17%, SiO
2: 36%, metal: 12%, loss on ignition: 35%.
Embodiment three
Take by weighing 55 parts of ceramic fibers by weight, 25 parts of fire-retardant fibres, 3 parts of spinning assistants, and spinning assistant put into 37 ℃ warm water in oil: the ratio of water=1: 8 is diluted.Ceramic fiber and fire-retardant fibre are carried out uniform mixing, mix finish after, evenly spray the auxiliary agent that dilution is finished, and vexed storehouse 15 hours.After finishing, vexed storehouse adds 10 parts of spun yarns of aramid fiber, form the silvalin of 550Tex (tex) this moment by twisting, twist and add the fiber yarn of 15 parts of steel wire plying formation 1100Tex then, and through doff machine formation cheese, and adopt fabric manufacture equipment to produce the friction materials cloth, 55/10cm of this product warp-wise density, 22/10cm of latitudinal density, volume density is 430Kg/m
3, this cloth organic content is 32%, and the product moisture regain is 2.5%, and precentagewise is Al in the main component component in the product
2O
3: 18%, SiO
2: 42%, metal: 15%, loss on ignition: 25%.
Embodiment four
Take by weighing 60 parts of ceramic fibers by weight, 22 parts of aramid fibers, 1 part of spinning assistant, and spinning assistant put into 33 ℃ warm water in oil: the ratio of water=1: 7 is diluted.Ceramic fiber and aramid fiber are carried out uniform mixing, mix finish after, evenly spray the auxiliary agent that dilution is finished, and vexed storehouse 17 hours.After finishing, vexed storehouse adds 15 parts of ramie yarns, form the silvalin of 570Tex (tex) this moment by twisting, twist and add the fiber yarn of 10 parts of copper wires and 4 parts of steel wire plying formation 1150Tex then, and through doff machine formation cheese, and adopt fabric manufacture equipment to produce the friction materials cloth, 57/10cm of this product warp-wise density, 21/10cm of latitudinal density, volume density is 440Kg/m
3, this cloth yarn organic content is 31%, and the product moisture regain is 1.9%, and precentagewise is Al in the main component component in the product
2O
3: 19%, SiO
2: 35%, metal: 16%, loss on ignition: 30%.
Embodiment five
Take by weighing 58 parts of ceramic fibers by weight, 28 parts of ramees, 2 parts of spinning assistants, and spinning assistant put into 40 ℃ warm water in oil: the ratio of water=1: 9 is diluted.Ceramic fiber and viscose fiber are carried out uniform mixing, mix finish after, evenly spray the auxiliary agent that dilution is finished, and vexed storehouse 18 hours.After finishing, vexed storehouse adds 16 parts of spun yarns of glass fibre, form the silvalin of 550Tex (tex) this moment by twisting, twist and add the fiber yarn of 10 parts of copper wire plying formation 1500Tex then, and through doff machine formation bobbin, and adopt fabric manufacture equipment to produce the friction materials cloth, 26/10cm of this product warp-wise density, 21/10cm of latitudinal density, volume density is 380Kg/m
3, this cloth organic content is 29%, and the product moisture regain is 2.1%, and precentagewise is Al in the main component component in the product
2O
3: 20%, SiO
2: 50%, metal: 13%, loss on ignition: 17%.
Embodiment six
Take by weighing 60 parts of ceramic fibers by weight, 20 parts of charcoal fibers, 2 parts of spinning assistants, and spinning assistant put into 45 ℃ warm water in oil: the ratio of water=1: 6 is diluted.Ceramic fiber and fire-retardant fibre are carried out uniform mixing, mix finish after, evenly spray the auxiliary agent that dilution is finished, and vexed storehouse 20 hours.After finish in vexed storehouse with 15 parts on fiberglass fiber spun yarn, form the silvalin of 570Tex (tex) this moment by twisting, twist and add the fiber yarn of 15 parts of copper wire plying formation 1150Tex then, and through doff machine formation bobbin, and adopt fabric manufacture equipment to produce the friction materials cloth, 48/10cm of this product warp-wise density, 23/10cm of latitudinal density, volume density is 380Kg/m
3, this cloth yarn organic content is 26%, and the product moisture regain is 2.2%, and precentagewise is Al in the main component component in the product
2O
3: 32%, SiO
2: 39%, metal: 12%, loss on ignition: 17%.
Embodiment seven
Take by weighing 60 parts of ceramic fibers by weight, 20 parts of charcoal fibers.Ceramic fiber and fire-retardant fibre are carried out uniform mixing, mix finish after, evenly spray the auxiliary agent that dilution is finished, and vexed storehouse 24 hours.After finish in vexed storehouse with 13 parts on fiberglass fiber spun yarn, form the silvalin of 590Tex (tex) this moment by twisting, twist and add the fiber yarn of 15 parts of copper wire plying formation 1350Tex then, and through doff machine formation bobbin, and adopt fabric manufacture equipment to produce the friction materials cloth, 49/10cm of this product warp-wise density, 26/10cm of latitudinal density, volume density is 500Kg/m
3, this cloth organic content is 30%, and the product moisture regain is 2.3%, and precentagewise is Al in the main component component in the product
2O
3: 36%, SiO
2: 35%, metal: 12%, loss on ignition: 17%.
It is that base material replaces fibrous magnesium silicate that the present invention adopts the ceramic fiber of above-mentioned heterogeneity content and component, and after adding one or more reinforcing fibres and adding part of auxiliary, all can effectively raise the resistance toheat of friction materials, thereby improve vehicle and device '.
Claims (4)
1, a kind of cloth for friction material, it is characterized in that with the ceramic fiber being base material, add one or more reinforcing fibres, and adding part of auxiliary, make through shredding, combing, slubbing spun yarn, plying, winder, weaving process, its weight contains ceramic fiber 50-63 part, reinforcing fibre 24-36 part in forming, steel fiber 12-17 part, auxiliary agent 0-2 part;
Reinforcing fibre is one or more the compound uses in six kinds of the ramie yarns, glass fibre, fire-retardant fibre, viscose fiber, aramid fiber, charcoal fiber;
Steel fiber is a kind of or compound use in three kinds on the steel wire, Stainless Steel Wire, copper wire;
The auxiliary agent that is adopted be with three kinds of crude oils, static inhibitor, spinning amendment in a kind of or wherein two kinds of compound uses.
2, cloth for friction material according to claim 1 is characterized in that precentagewise contains Al in its main component component
2O
316-36%, SiO
235-50%, metal 12-17%, loss on ignition 17-35%.
3, cloth for friction material according to claim 1 is characterized in that its organic content 17-35%, moisture regain≤3%, warp-wise density 26-60 root/10cm, latitudinal density 21-30 root/10cm, volume density 300-700Kg/m
3
4, cloth for friction material according to claim 1 is characterized in that its weave construction is twill or plain weave structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100356830A CN1294227C (en) | 2004-09-14 | 2004-09-14 | Cloth for friction material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100356830A CN1294227C (en) | 2004-09-14 | 2004-09-14 | Cloth for friction material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1616582A CN1616582A (en) | 2005-05-18 |
| CN1294227C true CN1294227C (en) | 2007-01-10 |
Family
ID=34763447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100356830A Expired - Lifetime CN1294227C (en) | 2004-09-14 | 2004-09-14 | Cloth for friction material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1294227C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5427682B2 (en) * | 2010-04-16 | 2014-02-26 | 株式会社日立製作所 | Emergency stop device and elevator using the same |
| CN102587002B (en) * | 2011-01-14 | 2016-03-23 | 湖南明星麻业股份有限公司 | A kind of ramie abrasive base cloth |
| CN105351414A (en) * | 2015-12-15 | 2016-02-24 | 苏州爱盟机械有限公司 | Vehicle brake pad |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6469832A (en) * | 1987-09-08 | 1989-03-15 | Oriental Asbest | Nonwoven fabric for friction agent and manufacture thereof |
| JPH02292A (en) * | 1987-12-18 | 1990-01-05 | Bayer Ag | Manufacture of phosphoric acid derivatives and intermediates thereof |
| CN1091788A (en) * | 1993-10-29 | 1994-09-07 | 刘学锋 | Ceramic fibre compound textile fabrics and preparation method thereof |
| CN1176685A (en) * | 1995-02-03 | 1998-03-18 | 联合讯号公司 | Composition for use in friction materials and articles formed threrefrom |
-
2004
- 2004-09-14 CN CNB2004100356830A patent/CN1294227C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6469832A (en) * | 1987-09-08 | 1989-03-15 | Oriental Asbest | Nonwoven fabric for friction agent and manufacture thereof |
| JPH02292A (en) * | 1987-12-18 | 1990-01-05 | Bayer Ag | Manufacture of phosphoric acid derivatives and intermediates thereof |
| CN1091788A (en) * | 1993-10-29 | 1994-09-07 | 刘学锋 | Ceramic fibre compound textile fabrics and preparation method thereof |
| CN1176685A (en) * | 1995-02-03 | 1998-03-18 | 联合讯号公司 | Composition for use in friction materials and articles formed threrefrom |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1616582A (en) | 2005-05-18 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zibo Xinli Special Fiber Science & Technology Co.,Ltd. Assignor: Shandong Luyang Share Co.,Ltd. Contract fulfillment period: 2007.3.20 to 2013.3.19 Contract record no.: 2009370000399 Denomination of invention: Cloth for friction material Granted publication date: 20070110 License type: Exclusive license Record date: 20091009 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.3.20 TO 2013.3.19; CHANGE OF CONTRACT Name of requester: ZIBO XINLI SPECIAL SC+T FIBER CO., LTD. Effective date: 20091009 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zibo Xinli Special Fiber Science & Technology Co.,Ltd. Assignor: Shandong Luyang Share Co.,Ltd. Contract record no.: 2009370000399 Date of cancellation: 20110126 |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 256120 Shandong city of Zibo province Yiyuan County Yi River Road No. 11 Patentee after: LUYANG ENERGY-SAVING MATERIALS Co.,Ltd. Address before: 256120 Shandong city of Zibo province Yiyuan County Yi River Road No. 11 Patentee before: Shandong Luyang Share Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070110 |