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Patent Searching and Data


Title:
空気入りタイヤ及びその製造方法
Document Type and Number:
Japanese Patent JP4802101
Kind Code:
B2
Abstract:
This invention provides a pneumatic tire having a highly improved steering stability, wherein a reinforcing layer formed by spirally winding a strip-shaped triaxial fabric or triaxial fabric-rubber composite having a width W satisfying a relation of the following formula (I): W ‰¥ 2 / 3 × 3 1 / 2 × 2 ¢ b / a + d [wherein d=4×(D/(ÀÁ)) 1/2 ×10 -2 , D is a thickness (total dtex) of cord constituting the triaxial fabric, Á is a density (g/cm 3 ) of the cord constituting the triaxial fabric, and a is weaving density (cords/b mm) in one axis constituting the three axes] in a circumferential direction of the tire is disposed in one or more of a bead portion 1, a sidewall portion 2 and a belt portion 5.

Inventors:
Masahiko Yamamoto
Application Number:
JP2006537650A
Publication Date:
October 26, 2011
Filing Date:
August 23, 2005
Export Citation:
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Assignee:
Bridgestone Corporation
International Classes:
B60C9/18; B29D30/30; B60C9/20; B60C9/22; B60C13/00; B60C15/06; D03D13/00; D03D23/00; D03D25/00
Domestic Patent References:
JP2004203170A2004-07-22
JPH04303002A1992-10-27
JP2002002218A2002-01-08
JPH07156619A1995-06-20
JPH08192605A1996-07-30
JP2002059715A2002-02-26
JP2001287282A2001-10-16
JP2002187408A2002-07-02
JP2001233025A2001-08-28
JP2001121917A2001-05-08
JPH03220338A1991-09-27
Attorney, Agent or Firm:
Kosaku Sugimura
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita