Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2016124429
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve electrical resistance reduction performance while improving rolling resistance and high-speed durability.SOLUTION: Rim cushion rubber 53 is arranged at a point which contacts with a rim R of a bead part 5. The rim cushion rubber 53 is constituted of inside-rim cushion rubber 53A disposed inside in a tire radial direction and outside-rim cushion rubber 53B disposed outside in the tire radial direction which are different in rubber compositions, the inside-rim cushion rubber 53A is composed of rubber which is lower in electrical resistance and hither in rubber hardness than the outside-rim cushion rubber 53B, and the outside-rim cushion rubber 53B is composed of rubber which is lower in heat generation than the inside-rim cushion rubber 53A.SELECTED DRAWING: Figure 3
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Inventors:
NAGAYASU MASAAKI
Application Number:
JP2015000367A
Publication Date:
July 11, 2016
Filing Date:
January 05, 2015
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C15/06; B60C19/08
Domestic Patent References:
| JP2013216115A | 2013-10-24 | |||
| JP2012192876A | 2012-10-11 | |||
| JP2016521657A | 2016-07-25 | |||
| JP2014201202A | 2014-10-27 | |||
| JP2014201281A | 2014-10-27 | |||
| JP2011157495A | 2011-08-18 |
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura
Jun Takamura