Run-flat insert for tires

Resilient tires and wheels – Tires – resilient – Cushion and pneumatic combined

Reexamination Certificate

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Details

C152S520000

Reexamination Certificate

active

07044180

ABSTRACT:
A run-flat insert200for enabling a vehicle to run for limited duration on a deflated tire20, is mounted in an assembly comprising a pneumatic tire20and a wheel rim10, and said insert is mounted inside the tire and secured to the wheel rim. The insert200has improved characteristics in load carrying, vehicle handling, mass, and shock transmission. Such a run-flat insert200comprises an outer, reinforced annular band220that is coupled with a sidewall portion230having little resistance to compressive loads, and the sidewall portion230tell mates in a base member240fitted around the wheel rim10for securing the insert200to the rim10.

REFERENCES:
patent: 4153095 (1979-05-01), Sarkissian
patent: 6769465 (2004-08-01), Rhyne et al.
patent: 2003/0121581 (2003-07-01), Thompson et al.
patent: 2004/0187996 (2004-09-01), Grah

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