Title:
自動二輪車用空気入りタイヤ
Document Type and Number:
Japanese Patent JP5739932
Kind Code:
B2
Abstract:
A motorcycle pneumatic tire includes a belt, in a tire tread, including a circumferential belt layer formed by cords extending in the tread circumferential direction and covered by rubber and a width direction belt layer, provided outward in the tire radial direction from the circumferential belt layer, formed by cords extending in the tire width direction and covered by rubber; sections of cushion rubber, provided outward in the tire radial direction from the belt, separated in the tire width direction with the tire equatorial plane therebetween; and base rubber, provided in the area of separation between the sections of cushion rubber or outward in the tire radial direction from the area of separation, having a higher elastic modulus than the cushion rubber. Wn > Wb, where Wn is the length of the area of separation and Wb is the length of the base rubber in a tire width direction cross-section.
Inventors:
Kubo Masahiko
Application Number:
JP2013076885A
Publication Date:
June 24, 2015
Filing Date:
April 02, 2013
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C9/18; B60C9/22; B60C11/00
Domestic Patent References:
| JP2009096420A | ||||
| JP61016105A |
Attorney, Agent or Firm:
Kenji Sugimura
Koichiro God
Koichiro God