Title:
RUN-FLAT TIRE
Document Type and Number:
WIPO Patent Application WO/2011/021466
Kind Code:
A1
Abstract:
Disclosed is a run-flat tire having greatly increased run-flat endurance. The disclosed run-flat tire is provided with: a carcass (6) going from a tread section (2) through a sidewall section (3) to a bead core (5) of a bead section (4); and a side-reinforcement rubber layer (9) that has a crescent-shaped cross-section and is disposed inside the carcass (6) in the sidewall section (3). A heat-conducting rubber (11) having a coefficient of thermal conductivity of at least 0.3 W/(m∙K) is distributed on the inner surface (12) of the tire. At least part of said heat-conducting rubber (11) is distributed in a side-reinforcement rubber layer projection area (T), consisting of the projection of the side-reinforcement rubber layer (9) onto the inner surface (12) of the tire.
Inventors:
HINO HIDEHIKO (JP)
HANYA MASAHIRO (JP)
HANYA MASAHIRO (JP)
Application Number:
PCT/JP2010/062241
Publication Date:
February 24, 2011
Filing Date:
July 21, 2010
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
HINO HIDEHIKO (JP)
HANYA MASAHIRO (JP)
HINO HIDEHIKO (JP)
HANYA MASAHIRO (JP)
International Classes:
B60C17/00; B60C1/00
Domestic Patent References:
| WO2004013222A1 | 2004-02-12 |
Foreign References:
| JP2004249888A | 2004-09-09 | |||
| JP2008273288A | 2008-11-13 | |||
| JP2004359097A | 2004-12-24 | |||
| JP2007182095A | 2007-07-19 | |||
| JP2007137370A | 2007-06-07 | |||
| JPH04238703A | 1992-08-26 | |||
| JPH04297310A | 1992-10-21 | |||
| JP2004330822A | 2004-11-25 | |||
| JP2004231861A | 2004-08-19 | |||
| JPH07331536A | 1995-12-19 | |||
| JP2009184510A | 2009-08-20 | |||
| JPH07331536A | 1995-12-19 |
Other References:
See also references of EP 2468539A4
Attorney, Agent or Firm:
SUMITOMO Shintaro (JP)
Shintaro Sumitomo (JP)
Shintaro Sumitomo (JP)
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