Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2016028964
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing vehicle outside sound while reducing rolling resistance.SOLUTION: A pneumatic tire 1 is formed with grooves in a tread part 10 in which SW/OD that is ratio between total width SW and an outside diameter OD satisfies "SW/OD≤0.3". In a ground contact region G of the tread part, when setting groove area ratio to a ground contact area as GR, setting ground contact width as W, setting a region having width of 50% of the ground contact width W around a tire equator line CL as a center region AC, setting the groove area ratio in the center region AC as GCR, setting ground contact regions on outer sides in a tire width direction than the center region AC as shoulder regions AS, and setting the groove area ratio in the shoulder region AS as GSR, the ground contact region of the tread part is formed so as to satisfy "10[%]≤GR≤25[%]" and "GCR≤GSR".SELECTED DRAWING: Figure 2
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Inventors:
KUBOTA MASATAKA
MINAMI YUJI
MINAMI YUJI
Application Number:
JP2015237790A
Publication Date:
March 03, 2016
Filing Date:
December 04, 2015
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C11/03; B60C3/04; B60C9/08; B60C11/01
Domestic Patent References:
| JP2012162194A | 2012-08-30 | |||
| JP2013028289A | 2013-02-07 | |||
| JPH07172110A | 1995-07-11 | |||
| JP2015037945A | 2015-02-26 | |||
| JP2012091736A | 2012-05-17 | |||
| JP2011255845A | 2011-12-22 | |||
| JP2010215221A | 2010-09-30 | |||
| JP2012020671A | 2012-02-02 |
Foreign References:
| WO1995031345A1 | 1995-11-23 | |||
| WO2011135774A1 | 2011-11-03 |
Attorney, Agent or Firm:
Atsushi Aoki
Tetsuro Shimada
Shinji Mitsuhashi
Takuya Shinoda
Hisato Kato
Tone Yuuki
Tetsuro Shimada
Shinji Mitsuhashi
Takuya Shinoda
Hisato Kato
Tone Yuuki