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Patent Searching and Data


Title:
RUN-FLAT TIRE
Document Type and Number:
WIPO Patent Application WO/2010/104139
Kind Code:
A1
Abstract:
A run-flat tire (1) provided with a pair of bead sections (10) including at least bead cores (10a), a carcass (12), and reinforcing rubber layers (40) extending in the tread width direction (W) and the tire radial direction (D) and having a crescent cross-section. The run-flat tire (1) is provided with side-reinforcing layers (14) provided along the reinforcing rubber layers (40), and also with turned-back bead-reinforcing layers (16) provided along the bead sections (10) and each turned back around the bead core (10a) from the inner side to the outer side in the tread width direction (W). The turned-back bead-reinforcing layers (16) are each provided with a bead-reinforcing layer body section (16A) provided on the inner side of the bead section (10) in the tread width direction (W), and also with a turned-back section (16B) connecting to the bead-reinforcing layer body section (16A) and turned back around the bead core (10a) from the inner side to the outer side in the tread width direction (W).

Inventors:
WAKIYAMA TAKASHI
Application Number:
PCT/JP2010/054080
Publication Date:
September 16, 2010
Filing Date:
March 11, 2010
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
WAKIYAMA TAKASHI
International Classes:
B60C17/00; B60C13/00; B60C15/06
Domestic Patent References:
WO2008010388A12008-01-24
Foreign References:
JPH05112110A1993-05-07
JPH0958229A1997-03-04
JP2007191154A2007-08-02
JP2006130995A2006-05-25
JP2006123707A2006-05-18
JP2007106398A2007-04-26
JP2009057990A2009-03-19
Other References:
See also references of EP 2407321A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
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