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Patent Searching and Data


Title:
RUN-FLAT TIRE
Document Type and Number:
WIPO Patent Application WO/2015/125387
Kind Code:
A1
Abstract:
A tire (10) has: a pair of bead sections (12) having bead cores (18) embedded therein and having a bead heel diameter (DH) smaller by 0.42% to 0.72% than the diameter (DR) of a standard rim (30); a carcass (22) straddling the pair of bead sections (12) and engaged at ends thereof with the bead cores (18); bead fillers (20) extending outward in the radial direction of the tire from the bead cores (18) along the outer surface (22O) of the carcass (22); and side reinforcement rubber (26) which is provided to tire side sections (14), extends in the radial direction of the tire along the inner surface (22I) of the carcass (22), has bead core (18)-side ends (26B) overlapping the bead fillers (20) with the carcass (22) therebetween, and has a breaking elongation of 130% or greater.

Inventors:
SAKURAI KENICHI (JP)
Application Number:
PCT/JP2014/083049
Publication Date:
August 27, 2015
Filing Date:
December 12, 2014
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C17/00; B60C15/024
Domestic Patent References:
WO2014199756A12014-12-18
Foreign References:
JPH0415111A1992-01-20
JP2001225614A2001-08-21
JP2009126262A2009-06-11
JP2007039015A2007-02-15
JP2000198327A2000-07-18
JP2005126555A2005-05-19
JP2000190715A2000-07-11
JP2004017668A2004-01-22
JP2014226980A2014-12-08
Other References:
See also references of EP 3109068A4
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
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