Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP6781578
Kind Code:
B2
Abstract:
In a pneumatic tire, three or four zigzag main grooves extending in a tire circumferential direction with amplitude in a tire width direction, a plurality of lateral grooves extending in a direction intersecting the main grooves, and block rows formed by the main grooves and the lateral grooves are provided at a tread portion. When a tire is grounded, a ratio of a total sum of lengths of groove center lines of the main grooves in a ground contact surface to a total sum of lengths of amplitude center lines of the main grooves in the ground contact surface is set to 1.05 to 1.25.
Inventors:
Takeshi Fujioka
Application Number:
JP2016130532A
Publication Date:
November 04, 2020
Filing Date:
June 30, 2016
Export Citation:
Assignee:
toyo tire Co., Ltd.
International Classes:
B60C11/00; B60C11/03; B60C11/12
Domestic Patent References:
| JP2016043897A | ||||
| JP2014133549A | ||||
| JP2001219714A | ||||
| JP2015089796A | ||||
| JP2005053268A | ||||
| JP2012111342A |
Foreign References:
| US5361815 | ||||
| US20160159158 |
Attorney, Agent or Firm:
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Ariyoshi Yasuomi
Tetsuji Nakamura
Katsuyuki Tomita
Ariyoshi Yasuomi