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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2013043613
Kind Code:
A
Abstract:

To provide a pneumatic tire which improves ride comfort while reducing road noise.

A plurality of blocks 7 with a pitch length periodically changed in a tire circumferential direction are formed on a surface of a tread section 6, and a ratio P1/P2 of the greatest pitch length P1 to the smallest pitch length P2 of the block 7 is set within a predetermined range. In accordance with change of the pitch length of the block 7, a height H4 of a bead filler 4 located inside the block 7 in a tire radial direction is periodically changed in a tire circumferential direction in such a manner that it may be low inside the block 7 with a large pitch length, and it may be high inside the block 7 with a small pitch length.


Inventors:
AKASHI YASUTAKA
Application Number:
JP2011184434A
Publication Date:
March 04, 2013
Filing Date:
August 26, 2011
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C15/06; B60C11/03; B60C11/11
Attorney, Agent or Firm:
Seiryu International Patent Service Corporation
Takayoshi in the daytime
Shinichi Ogawa
Takashi Noguchi
Kenji Sato
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita