Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP5029787
Kind Code:
B1
Abstract:
The pneumatic tire includes a belt layer that is formed by laminating a pair of cross belts and a circumferential reinforcing layer. Additionally, the pneumatic tire 1 includes a plurality of circumferential main grooves, and a plurality of land portions partitioned and formed by the circumferential main grooves in a tread portion. Also, the pneumatic tire includes a mark on a buttress portion in order to determine the time for renewal of the tire. Also, an outermost circumferential main groove is on an outer side in a tire width direction of the circumferential reinforcing layer. Also, a groove bottom gauge t of the outermost circumferential main groove and a distance D in a tire radial direction from a predetermined intersection point A to the mark have a relationship such that −1.0≰D/t≰1.0, taking the outer side in the tire radial direction to be positive.
Inventors:
Okabe Hidetoshi
Application Number:
JP2011542379A
Publication Date:
September 19, 2012
Filing Date:
September 22, 2011
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
B60C13/00; B60C3/04; B60C9/18; B60C9/20; B60C9/22; B60C11/04
Domestic Patent References:
| JPH02310107A | 1990-12-25 | |||
| JPS5919403U | 1984-02-06 | |||
| JP2007106152A | 2007-04-26 |
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura
Jun Takamura