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:
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
Takayoshi in the daytime
Shinichi Ogawa
Takashi Noguchi
Kenji Sato
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita
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