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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2011/126077
Kind Code:
A1
Abstract:
On a cross section in the width direction of a tread in a state with regular internal pressure and under no load, in the overlapping areas, the outermost point in the tread width direction is point (B), and a line passing through the outermost point (C') of a carcass layer in the tread width direction and extending along the tread width direction is line (CC); and on the tire surface, a point through which line (CC) passes is point (C), a line segment extending along the tread width direction from the equatorial center line to point (B) is line segment (BW), a line segment extending along the tread width direction from the equatorial center line to point (C) is line segment (CW), and a line segment connecting point (B) and point (C) is line segment (BC). The ratio (BW/CW) between the length of line segment (BW) and the length of line segment (CW) is in the range of 0.6 to 0.8. The angle (θ) formed by line segment (BC) and line segment (CW) is in the range of 50° to 70°.

Inventors:
ICHIHARA EIJI
Application Number:
PCT/JP2011/058823
Publication Date:
October 13, 2011
Filing Date:
April 07, 2011
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
ICHIHARA EIJI
International Classes:
B60C9/08; B60C15/00; B60C15/06
Foreign References:
JP2008105656A2008-05-08
JPH07186611A1995-07-25
JP2009137449A2009-06-25
JP2008201379A2008-09-04
JP2010088618A2010-04-22
JP2011056699A2011-03-24
JP2011056700A2011-03-24
Other References:
See also references of EP 2556970A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
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Claims: