Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2014213618
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing deterioration in external appearance due to ozone cracks generated in tire circumferential grooves.SOLUTION: A tread part includes at least one circumferential groove extending continuously in a tire circumferential direction. The circumferential groove includes: a groove bottom portion; a pair of groove wall portions located on both sides across the groove bottom portion; and curved portions connecting the groove bottom portion to the respective groove wall portions in the form of a curve convex inward in a tire radial direction. A plurality of sipes is arranged aligned in at least one of the curve portions of the circumferential groove in an extension direction of the circumferential groove.
Inventors:
WADA JUNICHIRO
Application Number:
JP2013089653A
Publication Date:
November 17, 2014
Filing Date:
April 22, 2013
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B60C11/04; B60C11/12; B60C11/13
Attorney, Agent or Firm:
Kenji Sugimura
Osamu Suzuki
Tanoura 弘 and others
Osamu Suzuki
Tanoura 弘 and others