TIRE FOR HEAVY LOAD

PROBLEM TO BE SOLVED: To prevent generation of a crack on the surface of a buttress caused by aging of rubber. SOLUTION: This tire has a SOT structure in which side wall rubber 3G is extended up to a buttress part 10 to cover an outer end part of tread rubber 2G. The ratio of Ts/T of thickness Ts of...

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Bibliographic Details
Main Author ASANO KENZO
Format Patent
LanguageEnglish
Published 11.11.2003
Edition7
Subjects
DEVICES OR ARRANGEMENTS RELATED TO TYRES
PERFORMING OPERATIONS
REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL
TRANSPORTING
TYRE CHANGING OR REPAIRING
TYRE INFLATION
VEHICLE TYRES
VEHICLES IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To prevent generation of a crack on the surface of a buttress caused by aging of rubber. SOLUTION: This tire has a SOT structure in which side wall rubber 3G is extended up to a buttress part 10 to cover an outer end part of tread rubber 2G. The ratio of Ts/T of thickness Ts of the side wall rubber 3G on a line J connecting contacts of a circle K in contact with a radial direction intermediate position P of the surface 10S of the buttress part 10 and a tire inner cavity face HS and total thickness T between the contacts is made 1/2 to 2/3. The side wall rubber 3G is made to have rubber hardness (durometer A hardness) of 50 to 57° and loss tangent tanδ of 0.10 to 0.20. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020130735