Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2018008618
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of preventing high speed durability from lowering, caused by heat accumulation of a sound absorber during high speed traveling, while obtaining sufficient quietness by the sound absorber mounted on a tire inner surface.SOLUTION: A pneumatic tire is obtained by: adhering a first sound absorber 31 and a sound absorber 32 to a tire inner surface in a tread part 1; bringing the total volume of the first sound absorber 31 and the second sound absorber 32 to 10%-40% of a tire inner cavity; arranging the first sound absorber 31 at one side in a tire width direction than a position of 40% of a width Wc of a center land part 21c from an end at one side in the tire width direction of the center land part 21c to the other side in the tire width direction; arranging the second sound absorber 32 at the other side in the tire width direction than the position of 40% of the width Wc of the center land part 21c from an end at the other side in the tire width direction of the center land part 21c to the one side in the tire width direction; and separating the first sound absorber 31 from the second sound absorber 32 by 60% or more of the width Wc of the center land part 21c.SELECTED DRAWING: Figure 2
Inventors:
NIIZAWA TATSURO
Application Number:
JP2016139182A
Publication Date:
January 18, 2018
Filing Date:
July 14, 2016
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C5/00; B60C11/03
Domestic Patent References:
| JP2005262920A | 2005-09-29 | |||
| JP2010269767A | 2010-12-02 | |||
| JP2013112062A | 2013-06-10 | |||
| JP2007160979A | 2007-06-28 | |||
| JPS56167505A | 1981-12-23 |
Foreign References:
| WO2015111315A1 | 2015-07-30 |
Attorney, Agent or Firm:
Seiryu International Patent Service Corporation
Takayoshi in the daytime
Masao Sakaizawa
Takayoshi in the daytime
Masao Sakaizawa