JP5335347B2 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- JP5335347B2 JP5335347B2 JP2008247930A JP2008247930A JP5335347B2 JP 5335347 B2 JP5335347 B2 JP 5335347B2 JP 2008247930 A JP2008247930 A JP 2008247930A JP 2008247930 A JP2008247930 A JP 2008247930A JP 5335347 B2 JP5335347 B2 JP 5335347B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- parts
- weight
- pneumatic tire
- tire
- 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.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 claims description 47
- 239000005060 rubber Substances 0.000 claims description 47
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 26
- 239000006229 carbon black Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 229920003244 diene elastomer Polymers 0.000 claims description 13
- 229920002857 polybutadiene Polymers 0.000 claims description 12
- 239000005062 Polybutadiene Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 125000001979 organolithium group Chemical group 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 244000043261 Hevea brasiliensis Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 229920003052 natural elastomer Polymers 0.000 description 4
- 229920001194 natural rubber Polymers 0.000 description 4
- 150000003606 tin compounds Chemical class 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 125000003277 amino group Chemical group 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical class C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 150000002900 organolithium compounds Chemical class 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- -1 tin halides Chemical class 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- GCTFWCDSFPMHHS-UHFFFAOYSA-M Tributyltin chloride Chemical compound CCCC[Sn](Cl)(CCCC)CCCC GCTFWCDSFPMHHS-UHFFFAOYSA-M 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- QWFRFVPEFDDMQD-UHFFFAOYSA-N [Li]CCCCCCCCCC[Li] Chemical compound [Li]CCCCCCCCCC[Li] QWFRFVPEFDDMQD-UHFFFAOYSA-N 0.000 description 1
- ICKXMDGNIZPYRS-UHFFFAOYSA-N [Li]CCCCCC[Li] Chemical compound [Li]CCCCCC[Li] ICKXMDGNIZPYRS-UHFFFAOYSA-N 0.000 description 1
- QQDSVXYDUMVTSQ-UHFFFAOYSA-N [Li]CCCCC[Li] Chemical compound [Li]CCCCC[Li] QQDSVXYDUMVTSQ-UHFFFAOYSA-N 0.000 description 1
- BZEZSORUWZUMNU-UHFFFAOYSA-N [Li]CCCC[Li] Chemical compound [Li]CCCC[Li] BZEZSORUWZUMNU-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- RJGHQTVXGKYATR-UHFFFAOYSA-L dibutyl(dichloro)stannane Chemical compound CCCC[Sn](Cl)(Cl)CCCC RJGHQTVXGKYATR-UHFFFAOYSA-L 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 1
- CETVQRFGPOGIQJ-UHFFFAOYSA-N lithium;hexane Chemical compound [Li+].CCCCC[CH2-] CETVQRFGPOGIQJ-UHFFFAOYSA-N 0.000 description 1
- IQIWJEAPUNWDLC-UHFFFAOYSA-N lithium;octane Chemical compound [Li+].CCCCCCC[CH2-] IQIWJEAPUNWDLC-UHFFFAOYSA-N 0.000 description 1
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 description 1
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- WLHPCEJPGLYEJZ-UHFFFAOYSA-N prop-2-enyltin Chemical class [Sn]CC=C WLHPCEJPGLYEJZ-UHFFFAOYSA-N 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000011191 terminal modification Methods 0.000 description 1
- WBVCLUDHJDTUAU-UHFFFAOYSA-N tetrabenzylstannane Chemical compound C=1C=CC=CC=1C[Sn](CC=1C=CC=CC=1)(CC=1C=CC=CC=1)CC1=CC=CC=C1 WBVCLUDHJDTUAU-UHFFFAOYSA-N 0.000 description 1
- QIMROTKEJSOSEP-UHFFFAOYSA-N tetrakis(oct-2-enyl)stannane Chemical compound CCCCCC=CC[Sn](CC=CCCCCC)(CC=CCCCCC)CC=CCCCCC QIMROTKEJSOSEP-UHFFFAOYSA-N 0.000 description 1
- XJPKDRJZNZMJQM-UHFFFAOYSA-N tetrakis(prop-2-enyl)stannane Chemical compound C=CC[Sn](CC=C)(CC=C)CC=C XJPKDRJZNZMJQM-UHFFFAOYSA-N 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- YFRLQYJXUZRYDN-UHFFFAOYSA-K trichloro(methyl)stannane Chemical compound C[Sn](Cl)(Cl)Cl YFRLQYJXUZRYDN-UHFFFAOYSA-K 0.000 description 1
- PGOLTJPQCISRTO-UHFFFAOYSA-N vinyllithium Chemical compound [Li]C=C PGOLTJPQCISRTO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C2001/0033—Compositions of the sidewall inserts, e.g. for runflat
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
- C08C19/42—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups
- C08C19/44—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
・天然ゴム(NR):タイ製「RSS#3」
・ブタジエンゴム(BR1):JSR(株)「BR01」
・スズ変性ブタジエンゴム(BR2):日本ゼオン(株)「BR1250H」
・水酸基変性ブタジエンゴム(BR3):旭化成(株)「タフデンE40」
・カーボンブラック(CB1):東海カーボン(株)「シーストSO」(N2SA=42m2/g、DBP吸油量=115cm3/100g)
・カーボンブラック(CB2):東海カーボン(株)「シーストV」(N2SA=23m2/g、DBP吸油量=51cm3/100g)
・カーボンブラック(CB3):東海カーボン(株)「シーストFY」(N2SA=29m2/g、DBP吸油量=152cm3/100g)
・カーボンブラック(CB4):東海カーボン(株)「シーストTA」(N2SA=19m2/g、DBP吸油量=42cm3/100g)
・カーボンブラック(CB5):東海カーボン(株)「シーストSVH」(N2SA=32m2/g、DBP吸油量=140cm3/100g)
各ゴム組成物に共通の成分として、老化防止剤2重量部(大内新興化学工業(株)「ノクラック6C」)、ステアリン酸2重量部(花王(株)「ルナックS−20」)、亜鉛華3重量部(三井金属鉱業(株)「亜鉛華1号)、硫黄3重量部(細井化学工業(株)「5%油処理粉末硫黄」)、加硫促進剤1.5重量部(大内新興化学工業(株)ノクセラーNS−P」)を配合使用した。
JIS K6300に準じて、100℃でのムーニー粘度(ML1+4)を測定し、比較例1を100とする指数で示した。数値が小さいほど加工性が良いことを示す。
UBM社製、レオスペクトロメーターE4000を使用し、JIS K−6394に準拠し、初期歪10%、動歪2%、周波数10Hz、温度70℃の条件で動的弾性率tanδを測定した。数値が小さいほど転がり抵抗が良いことを示す。
図1に示す構造を有する、タイヤサイズが225/45ZR18の空気入りタイヤ(ランフラットタイヤ)を常法により製造し、空気圧0kPa、負荷荷重4.0kNにて、直径1707mmの鋼製ドラム上を、速度80km/hでタイヤに故障が発生するまで走行させた。比較例1の走行距離を100とする指数で示した。数値が大きいほど耐久性が良いことを示す。
5……カーカス層
9……補強ゴム層
10……空気入りタイヤ
Claims (1)
- サイドウォール部のカーカス層の内側に断面略三日月形状をなす補強ゴム層を有する空気入りタイヤであって、
前記補強ゴム層が、有機リチウム触媒を用いて重合され、その分子末端が変性剤でスズ変性又は水酸基変性されたブタジエンゴム又はスチレンブタジエンゴムを15〜50重量部含んでなるジエン系ゴム成分100重量部に対し、窒素吸着比表面積(N2SA)が20m2/g以上30m2/g未満、ジブチルフタレート(DBP)吸油量が50〜155cm3/100gであるカーボンブラックを40〜80重量部含有するゴム組成物からなり、
前記ゴム組成物の70℃で測定した損失正接(tanδ)が0.07未満である
ことを特徴とする空気入りタイヤ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008247930A JP5335347B2 (ja) | 2007-10-18 | 2008-09-26 | 空気入りタイヤ |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007271088 | 2007-10-18 | ||
JP2007271088 | 2007-10-18 | ||
JP2008247930A JP5335347B2 (ja) | 2007-10-18 | 2008-09-26 | 空気入りタイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009113793A JP2009113793A (ja) | 2009-05-28 |
JP5335347B2 true JP5335347B2 (ja) | 2013-11-06 |
Family
ID=40560961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008247930A Active JP5335347B2 (ja) | 2007-10-18 | 2008-09-26 | 空気入りタイヤ |
Country Status (3)
Country | Link |
---|---|
US (1) | US20090101263A1 (ja) |
JP (1) | JP5335347B2 (ja) |
DE (1) | DE102008050965B4 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5289749B2 (ja) * | 2007-10-18 | 2013-09-11 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP5458557B2 (ja) * | 2008-11-28 | 2014-04-02 | 日本ゼオン株式会社 | ランフラットタイヤ用ゴム組成物、及びランフラットタイヤ用架橋成形体 |
JP5567937B2 (ja) * | 2009-08-24 | 2014-08-06 | 株式会社ブリヂストン | ランフラットタイヤ |
US20130292023A1 (en) * | 2010-09-30 | 2013-11-07 | Michelin Recherche Et Technique S.A. | Rubber composition with low surface area carbon black |
JP2016503106A (ja) * | 2012-12-27 | 2016-02-01 | コンパニー ゼネラール デ エタブリッスマン ミシュラン | ランフラットタイヤ用の側壁支持体 |
BR112015015525A8 (pt) * | 2012-12-27 | 2018-01-02 | Michelin Rech Tech | Suporte de parede lateral para um pneu runflat |
FR3005438B1 (fr) * | 2013-05-13 | 2015-04-24 | Michelin & Cie | Pneumatique adapte pour un roulage a plat comprenant une nappe de carcasse en polyester |
FR3005471B1 (fr) | 2013-05-13 | 2015-04-24 | Michelin & Cie | Composition de caoutchouc a haute processabilite pour pneumatique adapte pour un roulage a plat |
JP6908222B2 (ja) * | 2017-12-11 | 2021-07-21 | 株式会社ブリヂストン | ランフラットタイヤ用サイド補強ゴム組成物、ランフラットタイヤ用サイド補強ゴム、及びランフラットタイヤ |
JP7444647B2 (ja) * | 2020-03-11 | 2024-03-06 | 株式会社ブリヂストン | 空気入りタイヤ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5568406A (en) * | 1978-11-20 | 1980-05-23 | Bridgestone Corp | Air-filled safety tire with effective puncture-proof drivability |
JP3025526B2 (ja) * | 1990-11-19 | 2000-03-27 | 株式会社ブリヂストン | 空気入り安全タイヤ |
JP3540519B2 (ja) * | 1995-12-21 | 2004-07-07 | 株式会社ブリヂストン | ゴム組成物 |
US6313232B1 (en) * | 1999-06-03 | 2001-11-06 | Bridgestone Corporation | Continuous addition of tin halides to solution SBR |
JP3692027B2 (ja) | 2000-11-20 | 2005-09-07 | 住友ゴム工業株式会社 | ランフラットタイヤ |
JP4726314B2 (ja) | 2001-03-23 | 2011-07-20 | 旭化成ケミカルズ株式会社 | 変性共役ジエン系重合体組成物 |
JP4817519B2 (ja) | 2001-03-26 | 2011-11-16 | 旭化成ケミカルズ株式会社 | 変性共役ジエン系重合体組成物及びゴム組成物 |
KR100821872B1 (ko) * | 2001-05-16 | 2008-04-16 | 소시에떼 드 테크놀로지 미쉐린 | 이력이 감소된 고무 조성물을 포함하는 크라운 강화재를 갖는 타이어 |
JP4439190B2 (ja) * | 2003-02-21 | 2010-03-24 | 株式会社ブリヂストン | 空気入りタイヤ |
JP4113850B2 (ja) | 2004-03-17 | 2008-07-09 | 住友ゴム工業株式会社 | タイヤ用ゴム組成物およびそれを用いて得られたランフラットタイヤ |
-
2008
- 2008-09-26 JP JP2008247930A patent/JP5335347B2/ja active Active
- 2008-10-09 US US12/248,101 patent/US20090101263A1/en not_active Abandoned
- 2008-10-09 DE DE102008050965.5A patent/DE102008050965B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009113793A (ja) | 2009-05-28 |
DE102008050965A1 (de) | 2009-05-20 |
DE102008050965B4 (de) | 2018-05-09 |
US20090101263A1 (en) | 2009-04-23 |
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