Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP4818266
Kind Code:
B2
Abstract:
The present invention provides a pneumatic tire in which the rolling resistance can be reduced without reducing the wear resistance and the durability. The present invention is a pneumatic tire including a tread part contacting a road surface, at least two belt layers each formed of a plurality of parallel cords covered with rubber, and a pair of bead toes. Here, an angle at which the line segment BQ and the line segment SW cross is 50° or smaller when, in a cross section including the axis of rotation: the ends of a shortest belt layer, which is the shortest one, in length in a tire width direction, of the belt layers are set to be points B; points on a tire surface, between which the width of the tire is the widest, are set to be points Q; a line segment connecting each point B and the corresponding one of the points Q is set to be a line segment BQ; and a line segment connecting the pair of points Q is set to be a line segment SW.
Inventors:
Akihiko Abe
Application Number:
JP2007519044A
Publication Date:
November 16, 2011
Filing Date:
May 31, 2006
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C9/18; B60C3/04; B60C9/08; B60C11/00
Domestic Patent References:
JP2000016015A | 2000-01-18 | |||
JPS57209404A | 1982-12-22 | |||
JP2006001360A | 2006-01-05 | |||
JPH08337101A | 1996-12-24 | |||
JPH0825906A | 1996-01-30 | |||
JP2003080906A | 2003-03-19 |
Attorney, Agent or Firm:
Hidekazu Miyoshi