Title:
TIRE/WHEEL ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2005/023566
Kind Code:
A1
Abstract:
A tire/wheel assembly allowing the molding thereof without producing wrinkles and cracks even when a run-flat support body formed of an annular shell is machined by a metallic material with high breaking strength, wherein the run-flat support body formed of the annular shell with arch-like section and an elastic body ring fitted to the bent end part of the annular shell on the inner peripheral side is inserted in the hollow part of a pneumatic tire fitted to a rim. A plurality of cutout parts are formed at the bent end part of the annular shell along the circumferential direction, the circumferential length Ln (mm) of each of the cutout parts is set to 1.0 to 15 mm, and the ratio Ws/Wg of the width Ws (mm) of the bent end part of the annular shell to the wall thickness Wg (mm) of the elastic body ring is set to 0.55 to 0.92.
Inventors:
KUWAJIMA MASATOSHI (JP)
Application Number:
PCT/JP2004/007951
Publication Date:
March 17, 2005
Filing Date:
June 08, 2004
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
KUWAJIMA MASATOSHI (JP)
KUWAJIMA MASATOSHI (JP)
International Classes:
B60C17/04; B60C17/06; (IPC1-7): B60C17/06
Foreign References:
| JPH10297226A | 1998-11-10 | |||
| JP2001519279A | 2001-10-23 | |||
| JP2003341312A | 2003-12-03 | |||
| JP2004075002A | 2004-03-11 | |||
| JP2004058749A | 2004-02-26 |
Attorney, Agent or Firm:
Ogawa, Shin-ichi (Noguchi & Saika International Patent
Office Toranomon 11 Mori Building, 6-4,
Toranomon 2-chom, Minato-ku Tokyo, JP)
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