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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2009214770
Kind Code:
A
Abstract:

To provide a pneumatic tire that achieves an improvement in high-speed durability and ride comfort while excellently maintaining a steering stability during high-speed traveling under the condition that a large negative camber is set.

The pneumatic tire is configured as follows. A carcass layer 4 with a cord angle in the range of 75-90 with respect to the tire circumferential direction is mounted between a pair of bead parts. A belt layer 8 is arranged on the outer peripheral side of the carcass layer 4. The carcass layer 4 is wound up from the tire inside to the tire outside around a bead core 5. A bead filler 6 is sandwiched by the body part 4a and the winding-up part 4b of the carcass layer 4. A height FH of the bead filler from a bead heel is set to 25 mm. A cross-sectional area of the bead filler 6 is set to 65 mm2. A winding-up part 4bo on the vehicle outside of the carcass layer 4 is extended to the lower region of the belt layer 8 while a winding-up part 4bi on the vehicle inside is wound up so as not to overlap the belt layer 8 and to be arranged at a position at a distance of 5 mm from the end 8i on the vehicle inside of the belt layer 8 to the bead part side.


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Inventors:
Ohijiri, Kojiro
Application Number:
JP2008000061806
Publication Date:
September 24, 2009
Filing Date:
March 11, 2008
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD:THE
International Classes:
B60C9/08; B60C3/04; B60C5/00; B60C11/00; B60C11/03; B60C15/06
Domestic Patent References:
JPH02185802A1990-07-20
JP2002127712A2002-05-08
JP2006213278A2006-08-17
JPH11286203A1999-10-19
JP2007090935A2007-04-12
JP2004306769A2004-11-04
Attorney, Agent or Firm:
小川 信一
野口 賢照
斎下 和彦