CN103660801B - Tire with composite structure tread and manufacturing method thereof - Google Patents
Tire with composite structure tread and manufacturing method thereof Download PDFInfo
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- CN103660801B CN103660801B CN201210343442.7A CN201210343442A CN103660801B CN 103660801 B CN103660801 B CN 103660801B CN 201210343442 A CN201210343442 A CN 201210343442A CN 103660801 B CN103660801 B CN 103660801B
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- tire
- adhesive tape
- latching member
- carcass
- locking groove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention discloses a tire with a composite tread and a manufacturing method thereof, wherein the tire comprises a tire body made of rubber materials, a rubber strip made of polyurethane materials is embedded on the tread of the tire body, and the outer surface area of the rubber strip accounts for 1/3-2/3 of the whole tread area. The manufacturing method comprises the steps of banburying, preparation of rubber parts including tire treads and the like, extrusion of polyurethane rubber strips through an independent extruder, application of the polyurethane rubber strips in the rubber tire treads, tire forming, assembly of the rubber parts and the polyurethane rubber strips on a forming machine into a green tire, vulcanization of the green tire and the like. The tire has the characteristics of high wear resistance, low rolling resistance, good elasticity and strong ground adhesion. The service life of the tire is over 20 percent longer than that of the traditional tire, and the tire is suitable for taxies, bus tires, trailer wheels of multi-wheel medium-heavy trucks, agricultural tires, forklift tires, engineering tires, special spare tires for cars and the like which mainly run in urban areas.
Description
Technical field
The present invention relates to a kind of tire, particularly relate to a kind of tire with the composite structure tread be made up of different materials.
Background technology
Tire ensures safe vitals in running car, tire conventional is at present all generally rubber tires, namely carcass adopts rubber to make, and the elastomeric compound that tyre surface is mediated through the equipment such as Banbury mixer or mill by single one or more rubber and reinforcing agent, extending agent, aging inhibitor, vulcanizator, accelerator etc., apply ointment or plaster on tire carcass through extrusion molding, then by mould cure, fixing profile and decorative pattern is formed.This is the tyre surface of material of main part by rubber, although good springiness, good with traction, has certain resistance to abrasion.But for reducing the rolling resistance of this conventional tire, need sacrificial section resistance to abrasion, thus cause its resistance to abrasion more can not meet requirements, affect the travelled distance of tire and service life (such as, tyre surface is generally car tire 6-8 ten thousand kilometers service life, load-carrying tire 10-14 ten thousand kilometers), and cause producing junked tire, " black " is formed to environment and pollutes and heavy metal pollution.In addition, for increasing the intensity of rubber, tire protector all adds black-reinforced and aromatic naphtha (having carcinogenesis), and these additives all can be dispersed into further serious environment pollution in air with treadwear.In addition for reducing the rolling resistance of tyre surface, the white carbon of a large amount of poorly conductive of adapted in sizing material of being everlasting, thus conventional tire is caused to there is electric discharge problem equally.
In recent years, a lot of people is had to be devoted to research in the world more wear-resisting than existing tire, the tire of environmental protection more.And polyurethane material is a kind of poly-mer of complete reaction, chemical constitution ensure that it has good stability, has high-wearing feature and rolling resistance is little, reduce the feature such as oil consumption.But also there is the shortcoming that adhesive ability reduces, interior heat-dissipating is large, glass transition temperature is high in this material.There is integrated poured pu tire at present, although these tyre surfaces are wear-resisting especially, do not need black-reinforced and add aromatic naphtha, its hardness is high, poor flexibility, rolling resistance are large, oil consumption is many and travel in heat-dissipating large.Although also work out the tire of the polyurethane tread in rubber for tire carcass upper overall with, but there is following defect in this tire: different 1) due to rubber base portion film and polyurethane material, cause the adhesion strength that bonds between carcass and tyre surface inadequate, carcass is easily separated with tyre surface under steam; 2) carcass is different from the resistance to effect of heat of tyre surface in the process of moving, and heat-dissipating is also different, causes the two generation het expansion in various degree, thus makes carcass and tyre surface be easy to be separated; 3) in the process of moving, the rolling resistance of polyurethane tread is little and rubber tyre body rolling resistance large, and therefore the two but produces different distortion at position by identical power, makes carcass and tyre surface be easy to be separated equally.Therefore this tire does not overcome the weakness of aforementioned polyurethane material equally, and tyre surface and carcass can not be made to combine closely completely.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of tire with rubber-polyurethane composite structure tread is provided.
Another object of the present invention is to provide a kind of manufacture method with the tire of rubber-polyurethane composite structure tread.
For realizing the present invention first object, the present invention adopts following technical scheme: the tire that the present invention has composite structure tread comprises the carcass be made up of elastomeric material, the tyre surface of carcass is inlaid with the adhesive tape that polyurethane material is made, carcass and adhesive tape are interference fit, and adhesive tape exterior surface area accounts for the 1/5-4/5 of unit tread area.
Preferably, adhesive tape exterior surface area accounts for the 1/3-2/3 of unit tread area, and adhesive tape is ring-band shape, and the width range of adhesive tape is 15-300mm, and thickness range is 5-50mm.
Preferably, the first locking groove carcass being arranged accepting groove and be communicated with accepting groove, adhesive tape is arranged the first latching member coordinated with the first locking groove; Or carcass is arranged accepting groove and be arranged on the first latching member on accepting groove sidewall, adhesive tape is arranged the first locking groove coordinated with the first latching member.
Preferably, carcass is arranged the second locking groove be communicated with accepting groove, adhesive tape is arranged the second latching member coordinated with the second locking groove; Or the accepting groove sidewall of carcass arranges the second latching member, adhesive tape is arranged the second locking groove coordinated with the second latching member.
Preferably, first, second latching member is strip shape, serration or cylindrical, and the shape of first, second locking groove is corresponding identical respectively with the shape of first, second latching member.The number range of the first latching member, the first locking groove is 1-8 bar, and the number range of the second latching member, the second locking groove is 2-20.
For realizing the present invention second object, the present invention adopts following technical scheme: the manufacture method of composite structure tread tire of the present invention, comprise the steps: (1) banburying; (2) glue component prepares, and namely extrudes, rolls, tyre bead is shaping, cord severing, to paste apex strip, bracing ply shaping; (2-1): manufacture polyurethane adhesive tape, adhesive tape produces latching member or locking groove (3) tire building simultaneously, the glue component be about to except polyurethane adhesive tape is assembled into green tire on forming machine, the green tire after composition has the locking groove or latching member that coordinate with described latching member or locking groove respectively; (4) sulfuration, by green tire and polyurethane adhesive tape sulfidization molding respectively, generates the carcass after sulfuration and adhesive tape; (5) carcass after assembling sulfuration and adhesive tape, carcass and adhesive tape are interference fit, and latching member and locking groove form latching member combines.
Preferably, in step (2-1), step (a) is increased: in adhesive tape, produce decorative pattern by mold pressing or machine tooling, centrifugal pouring or hand engraving.
Preferably, increase step (b) before the step (5): at the dual-side of adhesive tape or/and basal surface application of adhesive, and/or at the dual-side of the accepting groove of carcass or/and basal surface application of adhesive.
For realizing the present invention second object, the present invention can also adopt following technical scheme: the present invention has the manufacture method of compound tire, comprises the steps: (1) banburying; (2) glue component prepares, namely extrude that sidewall/rim of the mouth and apex strip, calendering, tyre bead are shaping, cord severing, paste apex strip, bracing ply is shaping; (3) extruded tread, extrudes polyurethane adhesive tape by independently extruder simultaneously, and in the rubber tread extruded at the same time that polyurethane adhesive tape is applied ointment or plaster; (4) tire building, is assembled into green tire by glue component and rubber/polyurethane tyre surface on forming machine; (5) uncured green tire.
The features of rubber and polyurethane bi-material gives full play to by the present invention, the polyurethane material that resistance to abrasion is good is arranged on tyre surface center 1/3-2/3 part that relative wear is larger, and elastomeric material is still being used on the larger shoulder region of handling impact; Thus obtain preferably Combination property.The carcass of tire of the present invention and adhesive tape are interference fit and are combined by latching member, thus ensure that the carcass after sulfuration and adhesive tape anchoring strength guarantee that the two is not easily separated, can also ensure combining closely of the two further again by adhesive agent.The carcass of tire of the present invention can also omit closure combination, by independently extruder polyurethane adhesive tape directly extruded and apply ointment or plaster in rubber tread, by while sulfuration make to produce between bi-material molecular bond and combine, form the compound tyre surface of integral type, and fixing decorative pattern can be formed on tyre surface.Therefore not only resistance to abrasion is high, rolling resistance is low for the tyre surface of tire of the present invention, and good springiness, and strong with traction, the service life of tire was greatly improved relative to the service life of conventional tire.
accompanying drawing illustrates:
Fig. 1 is the tire part sectional view of first embodiment of the invention.
Fig. 2 is the tire part sectional view of second embodiment of the invention.
Fig. 3 is the schematic diagram of a part for tire embodiment illustrated in fig. 1.
Fig. 4 is the schematic perspective view of third embodiment of the invention.
detailed description of the invention:
Please refer to shown in Fig. 1-4, tire 10 of the present invention comprises the carcass 12 with crown (non-label), is arranged on the radial tyre surface 14 in crown region, tyre surface 14 is provided with pattern block 144 and pattern groove 142.Carcass 12 arranges accepting groove 120 downwards from tyre surface 14, and carcass 12 is also provided with some first locking grooves 122 be communicated with accepting groove 120.The carcass 12 of tire 10 is made up as glue material of known the commonly using of art technology person.Tire 10 also comprises the ring-band shape adhesive tape that the certain adhesive tape 16 of the ring-band shape adhesive tape 16(with one fixed width and thickness also can be the non-closed of subsection setup in carcass), adhesive tape 16 is made up of polyurethane material, comprises adhesive tape main body 160, is arranged on adhesive tape main body 160 side and the first latching member 162 extended along side lengthwise and the groove 164 that is arranged in adhesive tape main body.Adhesive tape 16 is assemblied in the accepting groove 120 of carcass 12, and adhesive tape 16 and accepting groove 120 are interference fit, polyurethane adhesive tape 16 is positioned at the relatively middle position of the larger tyre surface of relative wear, the exterior surface area of adhesive tape 16 accounts for unit tread area and is about 1/5-4/5, preferably 1/4-3/4, is more preferably 1/3-2/3.First latching member 162 is sticked in the first locking groove 122, thus adhesive tape 16 is firmly embedded in carcass 12, ensures combining closely of in use tire 10 and adhesive tape 16.Be understandable that, the width of adhesive tape 16 and thickness determine according to the specification of adapted tire.Preferably, the width range of adhesive tape 16 is 15-300mm, and thickness range is 5-50mm.
In the first embodiment shown in Fig. 1, adhesive tape 16 has two, and relative on the tyre surface that tire centerline is arranged on tire 10 symmetrically, and the first latching member 162 of adhesive tape 16 is the strip shape extended along adhesive tape length direction, in the illustrated embodiment, the first latching member 162 is 4.But it is different according to adhesive tape 16 thickness, the number of the first latching member 162 also can change, preferably, first latching member number range is 1-8 bar, if i.e. adhesive tape thinner thickness, the first latching member 162 only can arrange one at the one-sided of adhesive tape 16, if adhesive tape thickness is thicker, first latching member 162 can arrange 4 respectively in adhesive tape 16 both sides, also can be separately positioned on the both sides of adhesive tape 16 asymmetrically.Certainly in the embodiment shown in Fig. 1, the first latching member 162 can be zig-zag rectangular, also can be distributed in the one-sided or bilateral of adhesive tape 16 many independent cylinders or be conducive to other arbitrary shapes that adhesive tape 16 and carcass 12 combine closely.The shape of the first locking groove 122 on carcass 12 is corresponding with number with the shape of number and the first latching member 162.
In a second embodiment shown in figure 2, tire 10 only comprises an adhesive tape 16, and namely carcass 12 only arranges an accepting groove 120, and in accepting groove 120, interference is inlaid with adhesive tape 16.Identical with the first embodiment, the number of adhesive tape 16 also can change, preferably 1-8 bar, the shape of the first latching member 162 and the first locking groove 122 is serration, certainly, the first latching member 162 and the first locking groove 122 can be the strip shape, the many independent cylinders being distributed in the one-sided or bilateral of adhesive tape 16 that extend along adhesive tape length direction or be conducive to adhesive tape 16 and carcass 12 and to combine closely other arbitrary shapes.
Please refer to shown in Fig. 4, consider polyurethane adhesive tape 16 and rubber tyre body 12 otherness at compressive deformation and friction force, preferably, adhesive tape 16 can also be provided with the second latching member 166 extended along carcass 12 radial direction, the number of the second latching member 166 can be change, preferred number range is 2-40, more preferably 2-20.Carcass 12 be provided with accordingly coordinate with the second latching member 166 and the second locking groove (non-label) be communicated with accepting groove 120.Understandable, second latching member 166, second locking groove can be the radial strip shape, serration, independent cylindrical or be conducive to adhesive tape 16 and carcass 12 and combine closely other any shapes extended, and the second latching member 166, second locking groove can be the both sides being arranged on adhesive tape 16 asymmetrically.
The present invention first latching member 162 and the first locking groove 122 form the first latching member and combine, and the second latching member 166 and the second locking groove form the second latching member and combine.The position of first, second latching member 162,166 and first locking groove 122, second locking groove can exchange, namely first, second latching member 166,166 can be arranged on carcass 12, and the first locking groove 122, second locking groove can be arranged in adhesive tape 16, also can be that the first latching member 162, second locking groove is arranged in adhesive tape 16, and the second latching member 166, first locking groove 122 is arranged on carcass 12, or the second latching member 166, first locking groove is arranged in adhesive tape 16, and the first latching member 162, second locking groove is arranged on carcass 12.Preferably, for strengthening the associativity between polyurethane adhesive tape 16 and rubber tyre body 12, at adhesive tape 16 dual-side or/and basal surface application of adhesive, and/or at the dual-side of the accepting groove 120 of carcass 12 or/and basal surface application of adhesive, adhesives makes adhesive tape 16 and carcass 12 have good viscosity.
The adhesive tape 16 of tire 10 of the present invention also can not arrange groove 164, and the outside face of adhesive tape 16 can be level and smooth, or arranges other forms of decorative pattern.When the adhesive tape 16 of tire 10 is symmetrical, the decorative pattern in adhesive tape 16 can be symmetrical according to its distributing position on tyre surface 14, also can be asymmetric.In addition, when carcass 12 and the adhesive tape 16 of tire 10 of the present invention are one-body molded, omit the combination of first, second latching member.
An embodiment of the manufacturing process of tire 10 of the present invention comprises the steps: 1) banburying; 2) glue component prepares, and namely extrudes, rolls, tyre bead is shaping, cord severing, to paste apex strip, bracing ply shaping; 3) manufacture polyurethane adhesive tape 16, adhesive tape 16 produces first, second latching member 162,166 simultaneously; 4) tire building, the glue component be about to except polyurethane adhesive tape 16 is assembled into green tire, the first locking groove 122 and the second locking groove green tire after composition has accepting groove 120, being communicated with accepting groove 120 on forming machine; 5) sulfuration, by green tire and polyurethane adhesive tape 16 sulfidization molding respectively, generates the carcass 12 after sulfuration and adhesive tape 16; 6) carcass 12 after assembling sulfuration and adhesive tape 16, carcass 12 and adhesive tape 16 are interference fit, the existence of first, second latching member 162,166 and first locking groove 122, second locking groove, and the carcass 12 after guarantee assembling is combined closely with adhesive tape 16.
Preferably, in step 3), step a can be increased: in adhesive tape, produce decorative pattern by mold pressing or machine tooling, centrifugal pouring or hand engraving.In the above-described embodiments, step 3) and step 4) are regardless of tandem.Preferably, for ensureing combining closely of carcass 12 and adhesive tape 16 further, step b was increased: at the dual-side of adhesive tape 16 or/and basal surface application of adhesive before step 6), and/or at the dual-side of the accepting groove 120 of carcass 12 or/and basal surface application of adhesive.
More than be arranged in adhesive tape 16 with first, second latching member 162,166, and the first locking groove 122 and the second locking groove are arranged on carcass as example is described, when the position of first, second latching member 162,166 and first locking groove 122, second locking groove changes as described above, manufacturing process is substantially identical with above-mentioned embodiment, and difference is only that latching member is different from the position that locking groove is arranged.
Second embodiment of manufacturing process of the present invention comprises the steps: 1) banburying; 2) glue component prepares, namely extrude that sidewall/rim of the mouth and apex strip, calendering, tyre bead are shaping, cord severing, paste apex strip, bracing ply is shaping; 3) when tyre surface 14 is extruded, polyurethane adhesive tape 16 is extruded by independently extruder, and in the rubber tread 14 extruded at the same time that polyurethane adhesive tape 16 is applied ointment or plaster; 4) tire building, is assembled into green tire by glue component and rubber tread 14/ polyurethane adhesive tape 16 compound tyre surface on forming machine; 5) uncured green tire, makes the elastomeric material of tyre surface 14 produce molecular bond with between the polyurethane material of adhesive tape 16 and is combined, and forms the tyre surface composite structure of integral type, and on tyre surface, forms fixing decorative pattern.Adopt 10, the tire of the present embodiment manufacturing process to omit latching member and locking groove, combining closely of carcass 12 and adhesive tape 16 can be ensured equally.
It is more than the description to the present invention's preferably detailed description of the invention, the structure of tire 10 of the present invention and manufacture method are not only applicable to structure and manufacture, the structure rebuild a tyre and the manufacture of new tire, and are applicable to structure and the manufacture of diagonal tyre and radial-ply tyre.Tire of the present invention is applicable to the trailer wheels, agricultural tyre, fork truck tire, engineering tyre, car dedicated backup tire etc. of taxicar, bus tire and the medium and heavy autotruck of many wheels mainly travelled in city.
Claims (6)
1. there is a tire for composite structure tread, comprise the carcass be made up of elastomeric material, it is characterized in that:
The tyre surface of described carcass is inlaid with the adhesive tape that polyurethane material is made, described carcass and polyurethane adhesive tape are interference fit, polyurethane adhesive tape is positioned at the relatively middle position of the larger tyre surface of relative wear, adhesive tape has two, be arranged on the tyre surface of tire symmetrically relative to tire centerline, and described adhesive tape exterior surface area accounts for the 1/3-2/3 of tire unit tread area, described adhesive tape is ring-band shape, the width range of adhesive tape is 15-300mm, and thickness range is 5-50mm;
The first locking groove described carcass being arranged accepting groove and be communicated with described accepting groove, described adhesive tape is arranged the first latching member coordinated with described first locking groove; Or described carcass is arranged accepting groove and be arranged on the first latching member on described accepting groove sidewall, described adhesive tape is arranged the first locking groove coordinated with described first latching member;
Described carcass is provided with the second locking groove be communicated with described accepting groove, described adhesive tape is arranged the second latching member coordinated with described second locking groove; Or the accepting groove sidewall of described carcass arranges the second latching member, described adhesive tape is arranged the second locking groove coordinated with described second latching member.
2. the tire of composite structure tread as claimed in claim 1, is characterized in that: first, second latching member described is strip shape, serration or cylindrical, and the shape of first, second locking groove described is corresponding respectively with the shape of first, second latching member.
3. the tire of composite structure tread as claimed in claim 1, is characterized in that: the number range of described first latching member, the first locking groove is 1-8 bar, and the number range of described second latching member, the second locking groove is 2-20.
4. manufacture a manufacture method as claimed in claim 1 with the tire of composite structure tread, comprise the steps: (1) banburying; (2) glue component prepares, and namely extrudes, rolls, tyre bead is shaping, cord severing, to paste apex strip, bracing ply shaping; (3) tire building; It is characterized in that: there is step (2-1) between step (2) and (3): manufacture polyurethane adhesive tape, adhesive tape produces latching member or locking groove simultaneously; And be that the glue component except polyurethane adhesive tape is assembled into green tire on forming machine in step (3), the green tire after composition have the locking groove or latching member that coordinate with described latching member or described locking groove respectively; (4) sulfuration, by green tire and polyurethane adhesive tape sulfidization molding respectively, generates the carcass after sulfuration and adhesive tape; (5) carcass after assembling sulfuration and adhesive tape, described carcass and adhesive tape are interference fit, and latching member and locking groove form latching member and combine.
5. manufacture method as claimed in claim 4, is characterized in that: in step (2-1), increase step (a): in adhesive tape, produce decorative pattern by mold pressing or machine tooling, centrifugal pouring or hand engraving technique.
6. manufacture method as claimed in claim 4, is characterized in that: before step (5), increase step (b): at the dual-side of adhesive tape or/and basal surface application of adhesive, and/or at the dual-side of the accepting groove of carcass or/and basal surface application of adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210343442.7A CN103660801B (en) | 2012-09-17 | 2012-09-17 | Tire with composite structure tread and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210343442.7A CN103660801B (en) | 2012-09-17 | 2012-09-17 | Tire with composite structure tread and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103660801A CN103660801A (en) | 2014-03-26 |
| CN103660801B true CN103660801B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210343442.7A Active CN103660801B (en) | 2012-09-17 | 2012-09-17 | Tire with composite structure tread and manufacturing method thereof |
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| CN (1) | CN103660801B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922816B (en) * | 2016-06-13 | 2019-06-07 | 山东东车公铁两用牵引车辆有限公司 | A kind of solid tyre of replaceable abrasive rubber |
| CN109572328A (en) * | 2017-09-29 | 2019-04-05 | 江苏润昌橡胶科技有限公司 | A kind of polyurethane rubber compounded special tire and preparation method thereof |
| CN107933198A (en) * | 2017-12-27 | 2018-04-20 | 王峰 | A kind of dynamic antivibration type non-inflatable tyre and production method |
| CN110315910A (en) * | 2019-08-09 | 2019-10-11 | 王少波 | A kind of pu tire |
| CN110561979B (en) * | 2019-08-30 | 2021-07-20 | 青岛慕沃科技有限公司 | Method for manufacturing polyurethane pneumatic tire |
| CN113246515B (en) * | 2021-06-28 | 2021-10-08 | 徐州徐轮橡胶有限公司 | Baking-free tire winding type semi-finished product direct vulcanization process |
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| US3462328A (en) * | 1965-06-07 | 1969-08-19 | Goodyear Tire & Rubber | Method of making vehicle tire tread |
| CN2067228U (en) * | 1990-05-10 | 1990-12-12 | 韩明友 | Tire with moving tire top |
| CN1408569A (en) * | 2001-09-25 | 2003-04-09 | 丁海明 | Combined tyre |
| CN201056141Y (en) * | 2007-06-20 | 2008-05-07 | 朱信明 | Polyurethane rubber combined tire surface |
| CN101537774A (en) * | 2009-04-22 | 2009-09-23 | 南昌三星电动车制造有限公司 | Two-in-one wear-resistant tyre |
| CN102529596A (en) * | 2012-02-09 | 2012-07-04 | 北京化工大学 | Rubber and plastic composite tire tread |
| CN102582363A (en) * | 2012-03-21 | 2012-07-18 | 北京化工大学 | Second-order decorative pattern polyurethane film-rubber composite tire and molding process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462328A (en) * | 1965-06-07 | 1969-08-19 | Goodyear Tire & Rubber | Method of making vehicle tire tread |
| CN2067228U (en) * | 1990-05-10 | 1990-12-12 | 韩明友 | Tire with moving tire top |
| CN1408569A (en) * | 2001-09-25 | 2003-04-09 | 丁海明 | Combined tyre |
| CN201056141Y (en) * | 2007-06-20 | 2008-05-07 | 朱信明 | Polyurethane rubber combined tire surface |
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| CN103660801A (en) | 2014-03-26 |
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