Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP5102711
Kind Code:
B2
Abstract:
Disclosed is a pneumatic tire capable of improving traction performance, braking performance, and cornering performance on snow. The traction performance, braking performance, and cornering performance on snow are improved by means of a pneumatic tire comprising: a pair of center circumferential direction grooves, first lug grooves that connect to the center circumferential direction grooves and the directions of inclination of which is alternately in opposite directions in the tire circumferential direction, second lug grooves that extend from the center circumferential direction grooves to the edges of the tread and the directions of inclination are in opposite directions on one side and the other side across the equator in the tire width direction, a pair of shoulder circumferential direction grooves that delineate second blocks with the center circumferential direction grooves and the second lug grooves, and sub-grooves that traverse the second blocks in the tire circumferential direction to connect the second lug grooves, and extend in a direction that is orthogonal to the direction of inclination of the second lug grooves.
Inventors:
Naoya Ochi
Tomoaki Nemoto
Tomoaki Nemoto
Application Number:
JP2008185443A
Publication Date:
December 19, 2012
Filing Date:
July 16, 2008
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C11/03; B60C11/04; B60C11/11; B60C11/117; B60C11/13
Domestic Patent References:
| JP2003237318A | ||||
| JP2002248909A | ||||
| JP9193616A | ||||
| JP2000108615A | ||||
| JP200130720A | ||||
| JP2000225814A | ||||
| JP2008120232A |
Foreign References:
| WO2005005170A1 |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda