Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2017061202
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve uneven abrasion resistant performance by preventing a poor appearance, while securing braking performance on a wet road surface.SOLUTION: A pneumatic tire comprises a center main groove 3A provided in a grounding central part of a tread part 2, a shoulder main groove 3B provided on the outside in the tire width direction of the center main groove, a center land part 4A partitioned-formed by the center main groove and the shoulder main groove, a chamfer part 5 provided on the opening edge on the center land part side in the center main groove and arranging a plurality of chamfers 5A for obliquely changing a position of the opening edge to the tire circumferential direction along the tire circumferential direction, a bending groove 6 provided in the center land part, juxtaposed in the tire width direction of the opening edge having the chamber part of the center main groove and provided by bending in response to a shape of the chamfer of the chamfer part while extending along the tire circumferential direction and a sub-groove 7 provided between the shoulder main groove and the bending groove in the center land part, extending toward the bending groove by crossing in the tire circumferential direction and terminating one end 7a of turning to the bending groove in the center land part.SELECTED DRAWING: Figure 2
Inventors:
MITA MASAYA
Application Number:
JP2015186812A
Publication Date:
March 30, 2017
Filing Date:
September 24, 2015
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C11/03; B60C11/13
Domestic Patent References:
| JP2013189129A | 2013-09-26 | |||
| JP2003146024A | 2003-05-21 | |||
| JP2012218633A | 2012-11-12 |
Foreign References:
| WO2015033818A1 | 2015-03-12 | |||
| WO2014003033A1 | 2014-01-03 |
Attorney, Agent or Firm:
Hiroaki Sakai