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1. (WO2018203558) TWO-WHEEL VEHICLE TIRE
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Pub. No.: WO/2018/203558 International Application No.: PCT/JP2018/017442
Publication Date: 08.11.2018 International Filing Date: 01.05.2018
IPC:
B60C 11/00 (2006.01) ,B60C 1/00 (2006.01) ,C08C 19/25 (2006.01) ,C08L 9/06 (2006.01) ,C08L 15/00 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
C
VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
11
Tyre tread bands; Tread patterns; Anti-skid inserts
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
C
VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
1
Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C
TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
19
Chemical modification of rubber
25
Incorporating silicon atoms into the molecule
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
L
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
9
Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
06
Copolymers with styrene
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
L
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
15
Compositions of rubber derivatives
Applicants:
株式会社ブリヂストン BRIDGESTONE CORPORATION [JP/JP]; 東京都中央区京橋三丁目1番1号 1-1, Kyobashi 3-chome, Chuo-ku, Tokyo 1048340, JP
Inventors:
宮本 紫 MIYAMOTO, Yukari; JP
Agent:
大谷 保 OHTANI, Tamotsu; JP
滝沢 喜夫 TAKIZAWA, Yoshio; JP
平澤 賢一 HIRASAWA, Kenichi; JP
深海 明子 FUKAMI, Akiko; JP
Priority Data:
2017-09182902.05.2017JP
Title (EN) TWO-WHEEL VEHICLE TIRE
(FR) PNEU DE VÉHICULE À DEUX ROUES
(JA) 二輪車用タイヤ
Abstract:
(EN) The purpose of the present invention is to provide a two-wheel vehicle tire which has both the wear resistance and the wet grip performance of a tread. The two-wheel vehicle tire according to the present invention is provided with: a pair of bead portions; a pair of side wall portions; and a tread portion continuous with both the side wall portions, the tread portion being formed of, in the tire width direction, three divided sections consisting of a center section including a tire equatorial plane and a pair of shoulder sections including tread ends, wherein tread rubber of the center section and tread rubber of the shoulder sections each contain a rubber component and satisfy expression (1). (1): (Peak temperature of the loss tangent tanδ of the tread rubber of the center section) < (Peak temperature of the loss tangent tanδ of the tread rubber of the shoulder sections)
(FR) L'objet de la présente invention est de fournir un pneu de véhicule à deux roues qui présente à la fois une résistance à l'usure et des performances d'adhérence sur route mouillée d'une bande de roulement. Le pneu de véhicule à deux roues selon la présente invention comprend : une paire de parties de talon ; une paire de parties de paroi latérale ; et une partie de bande de roulement continue avec les deux parties de paroi latérale, la partie de bande de roulement étant formée, dans la direction de la largeur du pneu, de trois sections divisées composées d'une section centrale comprenant un plan équatorial de pneu et une paire de sections d'épaulement comprenant des extrémités de bande de roulement, le caoutchouc de bande de roulement de la section centrale et le caoutchouc de bande de roulement des sections d'épaulement contenant chacun un composant de caoutchouc et satisfaisant l'expression (1). (1) : (Température maximale du facteur de dissipation tanδ du caoutchouc de bande de roulement de la section centrale) < (température maximale du facteur de dissipation tanδ du caoutchouc de bande de roulement des sections d'épaulement)
(JA) トレッドのウェットグリップ性及び耐摩耗性を両立する二輪車用タイヤを提供することを目的とする。 本発明の二輪車用タイヤは、一対のビード部及び一対のサイドウォール部と、両サイドウォール部に連なるトレッド部とを備え、該トレッド部が、タイヤ幅方向に、タイヤ赤道面を含むセンター部と、トレッド端を含む一対のショルダー部とによって3分割されてなる二輪車用タイヤにおいて、前記センター部のトレッドゴム及び前記ショルダー部のトレッドゴムは、共にゴム成分を含有し、かつ、下記式(1)を満たす。 (前記センター部のトレッドゴムの損失正接tanδのピーク温度)<(前記ショルダー部のトレッドゴムの損失正接tanδのピーク温度) (1)
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)