Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP5520334
Kind Code:
B2
Abstract:
A pneumatic tire is provided in the outer surface of each sidewall portion with a serrated zone formed by a number of serration grooves extending at an angle of at most 45 degrees with respect to the tire radial direction. Each of the serration grooves has a variable depth such that the deepest point lies between the radially outermost end and innermost end of the serration groove. The deepest point is positioned in a range between 0.2 time and 0.4 times a radial distance Ha from the maximum carcass section width position to the radially outermost end of the tire. As a result, the rolling resistance of the tire can be reduced.
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Inventors:
Tadao Matsumoto
Application Number:
JP2012085755A
Publication Date:
June 11, 2014
Filing Date:
April 04, 2012
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C13/00
Domestic Patent References:
| JP4260802A | ||||
| JP2004017828A | ||||
| JP2010260378A |
Attorney, Agent or Firm:
Sumitomo Shintaro