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Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2014097765
Kind Code:
A
Abstract:

To provide a pneumatic tire capable of suppressing occurrence of uneven wear of a land part while maintaining wet performance.

Shoulder lateral grooves 10 are inclined to one side in a tire circumferential direction from a shoulder main groove 3 and extend to at least a tread ground contact end Te. A pair of groove edges of the respective shoulder lateral grooves 10 includes groove edges on one side and on the other side. On a cross section perpendicular to a groove central line of the shoulder lateral groove 10, the shoulder lateral groove 10 includes a groove wall face 14 on one side extending toward the inside of tire radial direction from the groove edge 12 on one side and a groove wall face 15 on the other side extending toward the inside of tire radial direction from the groove edge 13 on the other side. The shoulder lateral grooves 10 has an inclination angle β on the groove wall face 14 on the one side with respect to a tread normal line 7 perpendicular to a tread face and passes the groove edge 12 on the one side, which includes a larger portion than an inclination angle α on the groove wall face 15 on the other side with respect to a tread normal line 7 perpendicular to a tread face 2s and passes the groove edge 13 on the other side.


Inventors:
TANAKA SUSUMU
Application Number:
JP2012251505A
Publication Date:
May 29, 2014
Filing Date:
November 15, 2012
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C11/11; B60C11/04; B60C11/12; B60C11/13
Domestic Patent References:
JPH10203118A1998-08-04
JP2000225812A2000-08-15
JPH05178026A1993-07-20
JPS6185206A1986-04-30
JP2012136187A2012-07-19
JP2011240773A2011-12-01
JP2003182315A2003-07-03
JPH10203118A1998-08-04
Attorney, Agent or Firm:
Sumitomo Shintaro