Run-flat tire and tire/wheel assembly
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United States of America Patent
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Jan 10, 2006
Grant Date -
Jan 29, 2004
app pub date -
Jul 14, 2003
filing date -
Jul 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present inventions are a run-flat tire and a tire/wheel assembly in which the workability of the tire-to-rim fit has been improved while including a core-type run-flat support member. The tire/wheel assembly is formed by fitting a pneumatic tire into a wheel rim. In the tire/wheel assembly, the run-flat support member constituted of a circular shell and elastic rings is inserted into a cavity of the pneumatic tire, in which the circular shell has a support surface thereof extended toward the periphery of the tire and leg portions along each end of the support surface, and the elastic rings are attached to the leg portions of the circular shell. Meanwhile, stages extending in a tire circumferential direction are formed on the inner walls of a pair of right and left beads in the pneumatic tire, and the elastic rings are locked into the stages.
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