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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2011255803
Kind Code:
A
Abstract:

To provide a pneumatic tire in which a display part showing characters or patterns can be formed in a portion having ridges while maintaining an effect of suppressing the extension of cracks by ridges.

In the pneumatic tire, by making portions of respective angle-varied parts 11a and 11b having reduced inclination angles of sidewalls apparent compared to other portions on the side wall of a ridge 10, a display part 20 showing characters or patterns etc. can be formed in a ridge forming part 2 by the portion. Also, even if the cracks are generated at an outer surface 1a of a sidewall 1, the cracks are reliable to be suppressed from extending by the ridges 10. Thus, the display part 20 showing characters or patterns etc. can be formed in the ridge forming part 2 while maintaining the effect of suppressing the extension of the crack by the ridges 10.


Inventors:
NUKUSHINA RYOSUKE
Application Number:
JP2010000132603
Publication Date:
December 22, 2011
Filing Date:
June 10, 2010
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD:THE
International Classes:
B60C13/00
Domestic Patent References:
JP2003175707A2003-06-24
JP2004299662A2004-10-28
Attorney, Agent or Firm:
吉田 精孝
長内 行雄
柳 順一郎