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Patent Searching and Data


Title:
RUN-FLAT TIRE
Document Type and Number:
WIPO Patent Application WO/2013/038903
Kind Code:
A1
Abstract:
[Problem] To provide a pneumatic tire (82) having outstanding durability. [Solution] A tire (2) is provided with: a tread (4), wings (6), sidewalls (8), a clinching part (10), a bead (12), a carcass (14), a support layer (16), a belt (18), a band (20), an inner liner (22) and a chafer (24). Dimples (62) are formed on the sidewall (8) that constitutes the inner side of the tire in the widthwise direction of the vehicle when the tire is fitted to the vehicle. Dimples (62) are not formed on the sidewall (8) that constitutes the outer side of the tire in the widthwise direction of the vehicle when the tire is fitted to the vehicle. The ratio (Ha/Hb) of the height (Ha) of the radial-direction outside edge (52) of the bead (12) from the baseline (BL) to the height (Hb) of the maximum width position Pmax from the baseline falls within the range of 0.8 to 1.10.

Inventors:
MITARAI YASUO
Application Number:
PCT/JP2012/071755
Publication Date:
March 21, 2013
Filing Date:
August 29, 2012
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
MITARAI YASUO
International Classes:
B60C17/00; B60C5/00; B60C13/00
Domestic Patent References:
WO2007032405A12007-03-22
Foreign References:
JP2009298397A2009-12-24
JP2010260376A2010-11-18
JPH06166306A1994-06-14
JPS63203406A1988-08-23
JP2009298397A2009-12-24
Other References:
See also references of EP 2756966A4
Attorney, Agent or Firm:
OKA Kengo et al. (JP)
岡 Kengo (JP)
Download PDF:
Claims: