Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2016055660
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To achieve rolling resistance performance, high-speed durability performance and electric resistance reduction performance.SOLUTION: The pneumatic tire comprises: a rim cushion rubber 5A provided at a position contacting a rim R of a bead part 5; and a conductive rubber 11, arranged together with the rim cushion rubber 5A, which is provided so that one end 11a thereof is exposed to an outer face of the rim cushion rubber 5A so as to contact the rim R and the other end 11b thereof contacts a tire constituting member (for example a carcass layer 6) adjacent to the rim cushion rubber 5A and is lower in electric resistance than the rim cushion rubber 5A, where loss tangent tan δ at 60°C of the rim cushion rubber 5A is equal to 0.20 or less and loss tangent tan δ at 60°C of the conductive rubber 11 is equal to 0.20 or more.SELECTED DRAWING: Figure 3
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Inventors:
KISHIZOE ISAMU
Application Number:
JP2014181059A
Publication Date:
April 21, 2016
Filing Date:
September 05, 2014
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C15/06; B60C19/08
Domestic Patent References:
| JP2004268863A | 2004-09-30 | |||
| JPH0781334A | 1995-03-28 | |||
| JP2015171850A | 2015-10-01 | |||
| JP2013086724A | 2013-05-13 | |||
| JP2012192876A | 2012-10-11 | |||
| JPH1081110A | 1998-03-31 | |||
| JP2014062259A | 2014-04-10 | |||
| JP2007176437A | 2007-07-12 | |||
| JP2015502357A | 2015-01-22 |
Foreign References:
| WO2013083749A1 | 2013-06-13 |
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura
Jun Takamura
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