Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2008239094
Kind Code:
A
Abstract:
To provide a pneumatic tire suppressing cracks generated in a sector division position of groove bottoms in circumferential main grooves in a tire tread part vulcanized and formed by a sectional mold, and in particular suitable for a heavy load.
In the pneumatic tire vulcanized and formed by the sectional mold comprising a plurality of sectors, bottomed-up parts 5 raised from the groove bottoms of the circumferential main grooves 2 and connected to both groove walls are formed backwards and forwards in the longitudinal direction sandwiching the sector division position X of the circumferential main grooves 2, 2 at least positioned in shoulder sides among the plurality of circumferential main grooves 2.
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Inventors:
MARUYAMA HIROISA
Application Number:
JP2007085691A
Publication Date:
October 09, 2008
Filing Date:
March 28, 2007
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C11/04; B29C33/02; B29C35/02; B60C11/13; B29K21/00; B29K105/24; B29L30/00
Attorney, Agent or Firm:
Shinichi Ogawa
Takashi Noguchi
Kazuhiko Saishita
Takashi Noguchi
Kazuhiko Saishita
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