Title:
乗用車用空気入りラジアルタイヤ及びその使用方法
Document Type and Number:
Japanese Patent JP6408520
Kind Code:
B2
Abstract:
An object of the present invention is to adequately control relationship between a cross sectional width SW and an outer diameter OD of a pneumatic radial tire for a passenger vehicle. Specifically, a ground contact surface 1 of the tread of the pneumatic radial tire for a passenger car of the present invention is provided with either, as a groove, only at least one main groove 2a extending in the tread circumferential direction or, as grooves, only the main groove 2a and at least one auxiliary groove 2b other than the main groove, wherein the auxiliary groove has a groove width ‰¤ 2 mm in a tread widthwise region and a negative ratio of the main groove 2a is in the range of 12% to 20% (inclusive of 12% and 20%).
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Inventors:
Shintaro Hatanaka
Hiroyuki Matsumoto
Isao Kuwayama
Hiroyuki Matsumoto
Isao Kuwayama
Application Number:
JP2016140176A
Publication Date:
October 17, 2018
Filing Date:
July 15, 2016
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C11/03; B60C3/04
Domestic Patent References:
| JP2011207283A | ||||
| JP2010076561A | ||||
| JP6105480B2 | ||||
| JP2000190706A |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu
Yamaguchi Yusuke
Mitsutsugu Sugimura
Yasuyuki Komatsu
Yamaguchi Yusuke