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1. (WO2019066837) TRUCK TIRE WITH TREAD DESIGN FOR REDUCING ABNORMAL WEAR
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Pub. No.: WO/2019/066837 International Application No.: PCT/US2017/053884
Publication Date: 04.04.2019 International Filing Date: 28.09.2017
IPC:
B60C 11/00 (2006.01) ,B60C 11/12 (2006.01) ,B60C 11/02 (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
11
Tyre tread bands; Tread patterns; Anti-skid inserts
03
Tread patterns
12
characterised by the use of narrow slits or incisions, e.g. sipes
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
02
Replaceable treads
Applicants:
MAYNI, Paul, Andrew [US/US]; US (US)
TROWBRIDGE, Jeremy [US/US]; US (US)
COMPAGNIE GENERAL DES ETABLISSEMENTS MICHELIN [FR/FR]; 23 place des Carmes-Déchaux 63000 Clermont-Ferrand, FR
Inventors:
MAYNI, Paul, Andrew; US
TROWBRIDGE, Jeremy; US
Agent:
PIEROTTI, Neal P.; US
Priority Data:
Title (EN) TRUCK TIRE WITH TREAD DESIGN FOR REDUCING ABNORMAL WEAR
(FR) PNEU DE CAMION À CONCEPTION DE BANDE DE ROULEMENT PERMETTANT DE RÉDUIRE L'USURE ANORMALE
Abstract:
(EN) A heavy truck tire is provided that includes a casing with a central axis, and a rubber tread that has a first layer and a second layer. The first layer is located farther from the central axis in a radial direction than the second layer. The first layer has a lower max tan(δ) than a max tan(δ) of the second layer. The max tan(δ) of the first layer is from 0.06 - 0.15, and the max tan(δ) of the second layer is from 0.12 - 0.27. The tire also has a sculptural feature that reduces irregular wear.
(FR) L'invention concerne un pneu de camion lourd qui comprend une carcasse dotée d'un axe central, et une bande de roulement en caoutchouc qui possède une première couche et une seconde couche. La première couche est située plus loin de l'axe central dans une direction radiale que la seconde couche. La première couche présente une valeur maximale de tan(δ) inférieure à une valeur maximale de tan(δ) de la seconde couche. La valeur maximale de tan(δ) de la première couche est comprise entre 0,06 et 0,15, et la valeur maximale de tan(δ) de la seconde couche est comprise entre 0,12 et 0,27. Le pneu comprend également un élément sculptural qui réduit l'usure irrégulière.
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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, JP, 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: English (EN)
Filing Language: English (EN)