PNEUMATIC TIRE

PROBLEM TO BE SOLVED: To discharge static electricity inside of a vehicle to a road surface while employing a strip winding method, to improve formation accuracy of a cap rubber portion, and to suppress crack or the like between rubber strips. SOLUTION: This pneumatic tire is provided with the cap r...

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Bibliographic Details
Main Authors MAFUNE TOSHIYUKI, NOBUCHIKA HIDEO
Format Patent
LanguageEnglish
Published 27.11.2008
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 discharge static electricity inside of a vehicle to a road surface while employing a strip winding method, to improve formation accuracy of a cap rubber portion, and to suppress crack or the like between rubber strips. SOLUTION: This pneumatic tire is provided with the cap rubber portion 12 formed with a contact surface SL with an inner peripheral surface brought into contact with a tread conductive portion 13 electrically conducted with a rim J and a grounding surface SU with a peripheral surface grounded on the road surface. The cap rubber portion 12 has a structure of a plurality of layers radially superposed. Each rubber layer portion 14 is provided with a non-conductive winding portion 41A composed of a non-conductive strip portion 15A and a conductive winding portion 41B composed of a conductive strip portion 15B by spirally winding a strip 15 with the non-conductive strip portion 15A and the conductive strip portion 15B spliced longitudinally. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070133196