WO2007142077A1 - 空気入りランフラットラジアルタイヤ - Google Patents
空気入りランフラットラジアルタイヤ Download PDFInfo
- Publication number
- WO2007142077A1 WO2007142077A1 PCT/JP2007/060891 JP2007060891W WO2007142077A1 WO 2007142077 A1 WO2007142077 A1 WO 2007142077A1 JP 2007060891 W JP2007060891 W JP 2007060891W WO 2007142077 A1 WO2007142077 A1 WO 2007142077A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carcass
- run
- radial tire
- cord
- tire
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/0042—Reinforcements made of synthetic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
- B60C2017/0054—Physical properties or dimensions of the inserts
- B60C2017/0063—Modulus; Hardness; Loss modulus or "tangens delta"
Definitions
- the present invention relates to a so-called side-reinforced pneumatic run-flat radial tire capable of run-flat running when the tire internal pressure is abnormally lowered or punctured, and more specifically, improves durability during running.
- the present invention relates to a pneumatic run-flat radial tire (hereinafter also abbreviated as “run-flat tire”).
- the core type is a run-flat tire in which a support is built in a rim-assembled tire.
- the strong support is configured to contact the inner surface of the tire only when the internal pressure is abnormally lowered or punctured, so that the crushed tire can also support the inner surface side force. It makes it possible to run.
- a side-reinforced run-flat tire that can eliminate all the problems of the core type has a relatively hard rubber force at least on the inner surface side of the carcass located in the sidewall portion.
- a reinforced rubber layer is arranged and the internal pressure is abnormally reduced or punctured, both side walls reinforced by the reinforced rubber layer are less likely to be deformed and the load is supported by these side walls. It enables run-flat driving (for example, Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 2000-309211
- the side-reinforcing type SSR (self-supporting run flat) tire which has a strong force, increases the deflection due to the decrease in internal pressure during puncture, and the reinforcing rubber layer softens due to self-heating. In addition, there was a case where the deflection was further increased, which resulted in a breakage in which the vehicle could not run relatively quickly. It is necessary to increase the thickness of the reinforced rubber layer in order to ensure run-flat durability performance at the yard, but this is accompanied by an increase in weight, deterioration in rolling resistance, and deterioration in ride comfort. Met.
- an object of the present invention is to provide a side-reinforced pneumatic run-flat radial tire that greatly improves run-flat durability performance without impairing actual vehicle performance such as ride comfort performance.
- the present inventors have determined that the heat shrinkage stress of the carcass ply cord and the dynamic storage elastic modulus of the reinforcing rubber layer.
- the inventors have found that the object can be achieved by setting E ′ within a predetermined range under a predetermined condition, and have completed the present invention.
- the pneumatic run-flat radial tire of the present invention includes a carcass layer that also has at least one corder having cords that are substantially radially arranged between bead cores embedded in a pair of bead portions.
- a main belt having at least two layers of inclined belt layer force in which cords extending obliquely with respect to the tire equatorial plane are arranged in parallel on the outer peripheral side of the crown portion of the carcass, a tread portion reinforced by the main belt,
- a pneumatic run-flat radial tire comprising: a sidewall portion connecting between the tread portion and the bead portion; and a reinforcing rubber layer disposed at least on the inner surface side of the carcass extending over the sidewall portion and having a substantially crescent-shaped cross-sectional shape.
- the ⁇ and ⁇ are specifically determined as follows. That is, 30
- the at least one carcass ply cord is a cord including at least 50 mass% of polyketone fiber.
- the tensile strength of the polyketone fiber is preferably lOcNZdtex. That is, the elastic modulus is 200cNZdtex or more, and the heat shrinkage rate at 150 ° CX for 30 minutes by dry heat treatment is 1%
- the difference in heat shrinkage stress between 30 ° C and 80 ° C is preferably 7.0X10.
- FIG. 1 is a half-sectional view in the width direction of a run flat tire according to a preferred embodiment of the present invention. Explanation of symbols
- FIG. 1 shows a typical half-section in the width direction of a run flat tire according to a preferred embodiment of the present invention.
- the run-flat tire 1 shown in FIG. 1 is substantially radially arranged (specifically, arranged at an angle of 70 to 90 ° with respect to the tire equator plane E) between the bead cores 3 embedded in the pair of bead portions 2.
- the carcass 5 is formed by folding back at least one ply (one in the illustrated example) having a cord around the bead core 3 and the bead filler 4 to the outside of the inner force.
- At least two inclined belt layers in the illustrated example, 2 in the illustrated example) in which cords extending incline with respect to the tire equatorial plane E are arranged in parallel on the outer peripheral side of the crown portion 6 of the carcass 5.
- a tread portion 9 reinforced by a main belt 8 which also has an inclined belt layer 7a, 7b) force is arranged.
- the main belt 8 is an intersecting belt in which at least two inclined belt layers 7a and 7b of the inclined belt layers constituting the main belt 8 are laminated so that the cords intersect each other across the tire equatorial plane E. It is preferable to constitute.
- the tread portion 9 extends in a direction crossing the circumferential grooves and a plurality of circumferential grooves extending along the tire circumferential direction, as in the case of general tires.
- a plurality of tread grooves such as a plurality of transverse grooves, a plurality of sipes, and the like are appropriately arranged depending on the application.
- a belt protective layer 10 in which a cord is arranged between the main belt 8 and the tread portion 9 substantially in parallel with the tire equatorial plane E is covered so as to cover almost the entire width of the main belt 8. The case where it is provided is shown.
- This belt protective layer 10 is provided to prevent tire failure caused by belt end separation, and can be appropriately disposed as necessary, and at least the main belt.
- a sidewall portion 12 for connecting them, and at least on the inner surface side of the carcass 5 extending over the sidewall portion 12, there is a substantially crescent moon.
- a reinforcing rubber layer 13 having a cross-sectional shape is disposed, and a so-called side reinforcing type run-flat tire structure is provided.
- the slope a of the decrease rate (%) of the dynamic storage elastic modulus E from 30 ° C to 50 ° C of the reinforcing rubber layer 13 and the temperature from 50 ° C to 80 ° C Reduction rate of dynamic storage elastic modulus E '(%
- the composition of the rubber composition of the reinforcing rubber layer 13 is not particularly limited and can be appropriately selected according to common usage.
- thermal shrinkage stress difference between the C is 3. 0 X 10- 2 cN / dtex or higher, preferably 7 0 X 10—Use a code that is 2 cN / dt ex or more.
- the difference in heat shrinkage stress between 30 ° C and 80 ° C is 3. OX 10 " 2 cN If it is less than Zdtex, the reaction force that suppresses the deflection of the side part due to thermal contraction of the carcass ply cord existing on the tensioning side of the reinforcing rubber layer is small. Tire heat suppression is not sufficient. As a result, the effect of improving the run-flat durability is not sufficient.
- the carcass ply cord it is desirable to use a cord containing polyketone fiber, preferably at least 50 mass% or more, more preferably 70 mass% or more, and even more preferably 100 mass%.
- a cord containing polyketone fiber preferably at least 50 mass% or more, more preferably 70 mass% or more, and even more preferably 100 mass%.
- the polyketone fiber is 50% by mass or more, the strength as a tire, heat resistance, adhesion with rubber, and slippage are good.
- the tensile strength of the polyketone fiber contained in the carcass ply cord is preferably lOcNZdtex or more, more preferably 15cNZdtex or more. If the tensile strength is less than S1OcNZdtex, the strength of the tire is insufficient and the tire weight increases.
- the polyketone fiber contained in the carcass ply cord preferably has an elastic modulus of 200 cNZdtex or more, more preferably 250 cNZdtex or more.
- this elastic modulus is less than 20 OcNZdtex, the shape retention as a tire is insufficient.
- the heat shrinkage rate during dry heat treatment at 150 ° CX for 30 minutes is preferably in the range of 1% to 5%, more preferably in the range of 2% to 4%. is there. If the heat shrinkage rate during dry heat treatment at 150 ° C for 30 minutes is less than 1%, the alignment efficiency due to heating during tire manufacture will be significantly reduced, and the strength as a tire will be insufficient. On the other hand, if the thermal shrinkage rate during dry heat treatment at 150 ° C for 30 minutes exceeds 5%, the cords will shrink significantly due to heating during tire manufacture, and there is a concern that the finished tire shape will be poor.
- PK fibers polyketone fibers
- Examples of fibers other than cocoon fibers that can be used in the present invention include nylon, ester, rayon, polynosic, lyocell, and vinylon.
- Lb is the fiber length before heat treatment
- La is the fiber length after heat treatment.
- the tensile strength and tensile modulus of PK fiber are values obtained by measurement according to JIS-L-1013.
- the tensile modulus is the load and elongation at 0.2% elongation and 0.2% elongation. Load force in% Calculated initial elastic modulus.
- the carcass ply cord that can be used in the present invention is preferably a PK fiber cord described in detail below. That is, it is a multifilament twisted PK fiber with a total decitex per cord of 1000-20000 decitex. If the total decitex force per cord is in the range of 1000 to 20000 dtex, it is possible to achieve high rigidity and light weight compared to steel cords, which is a merit of organic fibers. If the total decitex is less than 1000 decitex, sufficient rigidity as a carcass ply cannot be obtained.On the other hand, if the total decitex exceeds 20000 decitex, the ply gauge becomes thick, resulting in an increase in tire mass and deterioration in tire quality. End up.
- the maximum heat shrinkage stress of a strong cord is determined by heating a 25 cm long fixed sample of PK fiber cord before vulcanization that has been subjected to a general dip treatment at a heating rate of 5 ° CZ.
- the maximum stress (unit: cNZdtex) generated in the cord at 177 ° C.
- ⁇ is the number of twists (times Zl00mm), D is the total fineness of the cord (dtex), and is the density of the fiber material used in the cord (g / cm 3 )
- the range is preferably from 0.25 to L 25. ⁇
- the twist coefficient ⁇ of the fiber cord is less than 0.25, the heat shrinkage stress cannot be secured sufficiently, while when it exceeds 1.25, the elastic modulus cannot be secured sufficiently and the reinforcing ability is reduced.
- the polyketone used as a raw material for the above-described soot fiber includes the following general formula ( ⁇ ),
- each repeating unit may be the same or different! / May be repeated
- polyketone that is S1-oxotrimethylene, and most preferred is a polyketone where 100 mol% is 1-oxotrimethylene.
- the powerful polyketone may be partially bonded to each other from the ketone group and from the unsaturated compound, but the unsaturated compound-derived portion and the ketone group are alternately arranged, It is preferable that the ratio of the portion is 90% by mass or more, more preferably 97% by mass or more, and most preferably 100% by mass.
- the unsaturated compound forming A is most preferably ethylene, but propylene, butene, pentene, cyclopentene, hexene, cyclohexene, heptene, otaten, Non-saturated hydrocarbons such as nonene, decene, dodecene, styrene, acetylene, and allene, methyl acrylate, methyl methacrylate, vinyl acetate, acrylamide, hydroxyethyl methacrylate, undecenoic acid, undecenol, 6-Black Hexene, N-Buylpyrrolidone, Sulphonyl Phosphonic Acid Jetylester, Sodium Styrenesulfonate, Sodium Allylsulfonate, Vinylpyrrolidone, and Salt-Buluyl Compounds Also good.
- the polymerization degree of the polyketone may be represented by the following formula ( ⁇ ), .
- t and T are the flow-through time of a viscosity tube at 25 ° C. of a diluted solution of hexafluoroisopropanol having a purity of 98% or more and a polyketone dissolved in the hexafluoroisopropanol.
- C is the mass (g) of the solute in the above diluted solution lOOmL), and it is preferable that the intrinsic viscosity [ ⁇ ?] Is in the range of 1 to 20dLZg. It is even more preferable that it is within.
- the intrinsic viscosity is less than IdLZg, the molecular weight is too small, making it difficult to obtain a high-strength polyketone fiber cord, and during spinning and drying. In addition, troubles in the process such as fluff and yarn breakage may occur frequently during stretching.On the other hand, if the intrinsic viscosity exceeds 20 dLZg, it will take time and cost to synthesize the polymer, and the polymer will be dissolved uniformly. May be difficult and may adversely affect spinnability and physical properties.
- the PK fiber preferably has a crystal structure with a crystallinity of 50 to 90% and a crystal orientation of 95% or more. If the degree of crystallinity is less than 50%, the structure of the fiber is insufficient and sufficient strength cannot be obtained, and the shrinkage characteristics and dimensional stability during heating may be unstable. For this reason, the crystallinity is preferably 50 to 90%, more preferably 60 to 85%.
- the polyketone fiberization method includes (1) a method in which an undrawn yarn is spun and then subjected to multi-stage hot drawing and drawn at a specific temperature and magnification in the final drawing step of the multi-stage hot drawing. (2) A method in which after unspun yarn is spun, heat-stretched, and then rapidly cooled while high tension is applied to the fiber after the heat-stretching is preferred. A desired filament suitable for the production of the polyketone fiber cord can be obtained by fiberizing the polyketone by the method (1) or (2).
- a spinning method of the unstretched yarn of the polyketone a conventionally known method without particular limitation can be adopted, and specifically, JP-A-2-112413 and JP-A-4-228. 613, Hexafluoroisopropanol, as described in JP-T-4505344, wet spinning using an organic solvent such as talesol, International Publication No.99Z18143, International Publication No.OOZ09611, Examples thereof include a wet spinning method using an aqueous solution of zinc salt, calcium salt, thiocyanate, iron salt and the like as described in JP-A-2001-164422, JP-A-2004-218189, and JP-A-2004-285221. Of these, the wet spinning method using an aqueous solution of the above salt is preferred.
- a polyketone polymer is dissolved in hexafluorosolpropanol, m-taresol, or the like at a concentration of 0.25 to 20% by mass, extruded from a spinning nozzle to be fiberized, and then toluene.
- the unstretched polyketone yarn can be obtained by removing the solvent in a non-solvent bath such as ethanol, isopropanol, n-hexane, isooctane, acetone, methyl ethyl ketone, and washing.
- a polyketone polymer is dissolved in an aqueous solution of zinc salt, calcium salt, thiocyanate, iron salt or the like at a concentration of 2 to 30% by mass, and 50 to 130 is obtained.
- the spinning nozzle force is also extruded into a coagulation bath at ° C, gel spinning is performed, and desalting, drying and the like can be performed to obtain an undrawn polyketone yarn.
- a mixture of halogenated zinc and a halogenated alkali metal salt or a halogenated alkaline earth metal salt is preferably used.
- An aqueous solution of a metal salt, an organic solvent such as acetone or methanol, or the like can be used.
- a hot drawing method in which the undrawn yarn is heated and drawn to a temperature higher than the glass transition temperature of the undrawn yarn is more preferable.
- the drawing of the drawn yarn may be performed in one step in the above method (2), but is preferably performed in multiple steps.
- the method of hot drawing is not particularly limited.
- a method of running a yarn on a heating roll or a heating plate can be employed.
- the total stretching ratio that the thermal stretching temperature is preferably within the range of 110 ° C to (the melting point of the polyketone) is preferably 10 times or more.
- the temperature in the final drawing step of the multi-stage hot drawing is 110 ° C to (the drawing temperature of the drawing step three steps before the final drawing step is 3 ° C.
- the range of C) is preferred.
- the draw ratio in the final drawing step of the multistage hot drawing is preferably in the range of 1.0 to 1.5.
- the tension applied to the fiber after completion of hot drawing is preferably in the range of 0.5 to 4 cNZdtex, and the cooling rate in rapid cooling is 30 It is preferable that the temperature is not lower than ° CZ seconds, and the cooling end temperature in the rapid cooling is preferably not higher than 50 ° C.
- the heat-stretched polyketone fiber As a rapid cooling method of the heat-stretched polyketone fiber, a conventionally known method without particular limitation can be adopted, and specifically, a cooling method using a roll is preferable. Since the polyketone fiber thus obtained has a large residual elastic strain, it is usually preferable to perform relaxation heat treatment so that the fiber length is shorter than the fiber length after hot drawing.
- the temperature of the relaxation heat treatment is preferably in the range of 50 to: LOO ° C, and the relaxation ratio is preferably in the range of 0.980-0.999 times.
- the processing temperature during processing and the temperature of the molded product during use are the temperatures that exhibit the maximum heat shrinkage stress (maximum heat shrinkage). temperature ) Is desirable.
- the processing temperature such as the RFL processing temperature and vulcanization temperature in the adhesive processing performed as necessary is 100 to 250 ° C, and when the tire material generates heat due to repeated use or high-speed rotation.
- the maximum heat shrinkage temperature is preferably in the range of 100 to 250 ° C, more preferably in the range of 150 to 240 ° C.
- the coating rubber for covering the carcass ply cord according to the present invention can have various shapes. Typically, it is a film, a sheet or the like. As the coating rubber, a known rubber composition can be appropriately employed, and it should not be particularly limited. Example
- This dope was heated to 80 ° C, filtered through a 20 ⁇ m sintered filter, and then passed through a 10mm air gap from a nozzle with a diameter of 0.10mm and 50 holes kept at 80 ° C. Later, it was extruded into water at 18 ° C containing 5% by weight of salty zinc and discharged at a rate of 2.5 ccZ, and a solidified yarn was drawn while pulling at a rate of 3.2 mZ.
- the coagulated yarn was washed with an aqueous sulfuric acid solution having a concentration of 2% by weight and a temperature of 25 ° C, and further washed with water at 30 ° C, and then the coagulated yarn was scraped off at a rate of 3.2 mZ.
- a finishing agent having the following composition was used.
- the obtained undrawn yarn was drawn at 240 ° C in the first stage, followed by the second stage at 258 ° C, the third stage at 268 ° C, and the fourth stage at 272 ° C. Subsequently, the fifth stage was stretched five times at 1.08 times (stretching tension: 1.8 cNZdtex) at 200 ° C and scraped with a scraper. The total draw ratio from undrawn yarn to five-stage drawn yarn was 17.1 times.
- This fiber yarn had a strength of 15.6 cN / dtex, an elongation of 4.2%, and an elastic modulus of 347 cNZdtex.
- the heat shrinkage rate during dry heat treatment at 150 ° C. for 30 minutes was 4.3%.
- the PK fiber thus obtained was used as a cord under the following conditions.
- the test tire is a run-flat tire with a tire size of 225Z45R17, and is provided with a reinforcing rubber layer 13 on the inner surface side of the radial carcass 5 having a single carcass ply force in which cords are radially arranged.
- a reinforcing rubber layer 13 either rubber type A or B having the composition shown in Table 1 below was used for various test tires as shown in Table 2 below.
- the PK fiber described above was used as a cord under the conditions shown in Table 2 below as the force-cass ply cord.
- rayon fibers were used as cords under the conditions shown in Table 2 below.
- the dynamic storage elastic modulus E 'and runflat durability performance of the test tire were evaluated as follows.
- control tire (Comparative Example 4) was indexed as 100. The larger the value, the better the result.
- the evaluation results are shown in Table 2 below.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020097000065A KR101399698B1 (ko) | 2006-06-06 | 2007-05-29 | 공기입 런플랫 래디얼 타이어 |
ES07744311T ES2396451T3 (es) | 2006-06-06 | 2007-05-29 | Cubierta radial autoportante de neumáticos |
CN2007800209941A CN101460319B (zh) | 2006-06-06 | 2007-05-29 | 漏气保用子午线充气轮胎 |
US12/303,486 US20090151842A1 (en) | 2006-06-06 | 2007-05-29 | Pneumatic run-flat radial tire |
EP07744311A EP2022651B1 (en) | 2006-06-06 | 2007-05-29 | Run-flat pneumatic radial tire |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006157752A JP4963878B2 (ja) | 2006-06-06 | 2006-06-06 | 空気入りランフラットラジアルタイヤ |
JP2006-157752 | 2006-06-06 |
Publications (1)
Publication Number | Publication Date |
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WO2007142077A1 true WO2007142077A1 (ja) | 2007-12-13 |
Family
ID=38801334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/060891 WO2007142077A1 (ja) | 2006-06-06 | 2007-05-29 | 空気入りランフラットラジアルタイヤ |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090151842A1 (ja) |
EP (1) | EP2022651B1 (ja) |
JP (1) | JP4963878B2 (ja) |
KR (1) | KR101399698B1 (ja) |
CN (1) | CN101460319B (ja) |
ES (1) | ES2396451T3 (ja) |
WO (1) | WO2007142077A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102874053B (zh) * | 2012-10-22 | 2014-12-03 | 北京化工大学 | 一种三角平衡轮廓充气轮胎 |
KR101627549B1 (ko) | 2014-09-29 | 2016-06-07 | 금호타이어 주식회사 | 반제품 수축을 고려한 공기입타이어 제조방법 |
DE112016007492B4 (de) * | 2016-11-30 | 2024-01-04 | The Yokohama Rubber Co., Ltd. | Luftreifen |
JP6720997B2 (ja) * | 2018-04-10 | 2020-07-08 | 横浜ゴム株式会社 | ランフラットタイヤ |
Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02112413A (ja) | 1988-09-22 | 1990-04-25 | Shell Internatl Res Maatschappij Bv | 熱可塑性ポリマー繊維の製造方法 |
JPH04228613A (ja) | 1990-05-09 | 1992-08-18 | Akzo Nv | ポリケトン繊維及びその製造法 |
JPH04505344A (ja) | 1989-05-19 | 1992-09-17 | デーエスエム・ナムローゼ・フェンノートシャップ | 一酸化炭素およびオレフィン性不飽和モノマーのコポリマー製の細長い物体およびその製造方法 |
WO1999018143A2 (en) | 1997-10-06 | 1999-04-15 | Shell Internationale Research Maatschappij B.V. | Polyketone solutions |
WO2000009611A1 (fr) | 1998-08-10 | 2000-02-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Solution de polycetone |
JP2000264012A (ja) * | 1999-03-16 | 2000-09-26 | Bridgestone Corp | 空気入り安全タイヤ |
JP2001164422A (ja) | 1999-12-07 | 2001-06-19 | Asahi Kasei Corp | ポリケトン繊維及びその製造法 |
JP2001262437A (ja) * | 2000-03-14 | 2001-09-26 | Asahi Kasei Corp | ポリケトン繊維およびその製造方法 |
JP2002339275A (ja) * | 2001-05-16 | 2002-11-27 | Asahi Kasei Corp | ポリケトンコードおよびその製造方法 |
JP2003013326A (ja) * | 2001-06-26 | 2003-01-15 | Asahi Kasei Corp | ポリケトン繊維、その製造方法及びポリケトン撚糸物 |
JP2004091969A (ja) * | 2002-08-30 | 2004-03-25 | Asahi Kasei Fibers Corp | ポリケトンコードの製造方法 |
JP2004218189A (ja) | 2004-04-28 | 2004-08-05 | Asahi Kasei Fibers Corp | ポリケトン処理コードおよびその製造方法 |
JP2004285221A (ja) | 2003-03-24 | 2004-10-14 | Asahi Kasei Fibers Corp | ポリケトン溶液の製造方法 |
JP2004306658A (ja) * | 2003-04-02 | 2004-11-04 | Bridgestone Corp | 空気入りタイヤ |
WO2006077973A1 (ja) * | 2005-01-21 | 2006-07-27 | Bridgestone Corporation | ランフラットタイヤ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0459403A (ja) * | 1990-06-28 | 1992-02-26 | Yokohama Rubber Co Ltd:The | ランフラット空気入りラジアルタイヤ |
US6809137B2 (en) * | 1998-06-08 | 2004-10-26 | Bridgestone Corporation | Rubber composition and pneumatic tire using said rubber composition |
CN1207160C (zh) * | 1999-05-27 | 2005-06-22 | 米什兰研究和技术股份有限公司 | 具有改进胎体通道的漏气保用轮胎 |
US20020017351A1 (en) * | 2000-05-30 | 2002-02-14 | Shinichi Miyazaki | Pneumatic tire |
KR100532643B1 (ko) * | 2001-02-27 | 2005-12-01 | 아사히 가세이 가부시키가이샤 | 폴리케톤 섬유 및 그의 제조 방법 |
JP2006088719A (ja) * | 2004-09-21 | 2006-04-06 | Yokohama Rubber Co Ltd:The | 空気入りラジアルタイヤ |
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2006
- 2006-06-06 JP JP2006157752A patent/JP4963878B2/ja active Active
-
2007
- 2007-05-29 US US12/303,486 patent/US20090151842A1/en not_active Abandoned
- 2007-05-29 WO PCT/JP2007/060891 patent/WO2007142077A1/ja active Application Filing
- 2007-05-29 CN CN2007800209941A patent/CN101460319B/zh not_active Expired - Fee Related
- 2007-05-29 KR KR1020097000065A patent/KR101399698B1/ko active IP Right Grant
- 2007-05-29 EP EP07744311A patent/EP2022651B1/en active Active
- 2007-05-29 ES ES07744311T patent/ES2396451T3/es active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02112413A (ja) | 1988-09-22 | 1990-04-25 | Shell Internatl Res Maatschappij Bv | 熱可塑性ポリマー繊維の製造方法 |
JPH04505344A (ja) | 1989-05-19 | 1992-09-17 | デーエスエム・ナムローゼ・フェンノートシャップ | 一酸化炭素およびオレフィン性不飽和モノマーのコポリマー製の細長い物体およびその製造方法 |
JPH04228613A (ja) | 1990-05-09 | 1992-08-18 | Akzo Nv | ポリケトン繊維及びその製造法 |
WO1999018143A2 (en) | 1997-10-06 | 1999-04-15 | Shell Internationale Research Maatschappij B.V. | Polyketone solutions |
WO2000009611A1 (fr) | 1998-08-10 | 2000-02-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Solution de polycetone |
JP2000264012A (ja) * | 1999-03-16 | 2000-09-26 | Bridgestone Corp | 空気入り安全タイヤ |
JP2001164422A (ja) | 1999-12-07 | 2001-06-19 | Asahi Kasei Corp | ポリケトン繊維及びその製造法 |
JP2001262437A (ja) * | 2000-03-14 | 2001-09-26 | Asahi Kasei Corp | ポリケトン繊維およびその製造方法 |
JP2002339275A (ja) * | 2001-05-16 | 2002-11-27 | Asahi Kasei Corp | ポリケトンコードおよびその製造方法 |
JP2003013326A (ja) * | 2001-06-26 | 2003-01-15 | Asahi Kasei Corp | ポリケトン繊維、その製造方法及びポリケトン撚糸物 |
JP2004091969A (ja) * | 2002-08-30 | 2004-03-25 | Asahi Kasei Fibers Corp | ポリケトンコードの製造方法 |
JP2004285221A (ja) | 2003-03-24 | 2004-10-14 | Asahi Kasei Fibers Corp | ポリケトン溶液の製造方法 |
JP2004306658A (ja) * | 2003-04-02 | 2004-11-04 | Bridgestone Corp | 空気入りタイヤ |
JP2004218189A (ja) | 2004-04-28 | 2004-08-05 | Asahi Kasei Fibers Corp | ポリケトン処理コードおよびその製造方法 |
WO2006077973A1 (ja) * | 2005-01-21 | 2006-07-27 | Bridgestone Corporation | ランフラットタイヤ |
Non-Patent Citations (1)
Title |
---|
See also references of EP2022651A4 |
Also Published As
Publication number | Publication date |
---|---|
JP4963878B2 (ja) | 2012-06-27 |
EP2022651B1 (en) | 2012-10-17 |
KR101399698B1 (ko) | 2014-05-27 |
CN101460319A (zh) | 2009-06-17 |
KR20090027721A (ko) | 2009-03-17 |
JP2007326417A (ja) | 2007-12-20 |
US20090151842A1 (en) | 2009-06-18 |
EP2022651A4 (en) | 2011-11-02 |
EP2022651A1 (en) | 2009-02-11 |
CN101460319B (zh) | 2010-12-01 |
ES2396451T3 (es) | 2013-02-21 |
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