Vehicle tire having run flat insert

Details Vehicle tire having run flat insert Vehicle tire having run flat insert

1980-02-15

1981-08-04

Kittle, John E.

Resilient tires and wheels

Tires, resilient

Cushion and pneumatic combined

152330RF, 156110R, 428 36, 428109, B60C 1704

Patent

active

042817013

ABSTRACT:
A pneumatic vehicle tire having an internal device to impart run-flat capability is described, the device being comprised of an outer ring member for rotational support when operating in the run-flat condition, and an inner support for the ring which is highly flexible before insertion within the tire and which becomes fixed and less flexible after insertion. In preferred aspects the ring is essentially a highly flexible porous body made up of successive circumferential windings of elastomer-coated filamentary material, and the support is a structure made up of a plurality of hinged bracing elements which move into a fixed position after insertion of the device within the tire.

REFERENCES:
patent: 3568286 (1971-03-01), Ross
patent: 3638701 (1972-02-01), Rossler
patent: 3730244 (1973-05-01), Ross
patent: 3730794 (1973-05-01), Ross
patent: 3828836 (1974-08-01), Bradley
patent: 3872907 (1975-03-01), Curtiss et al.
patent: 4137894 (1979-02-01), Gardner et al.
patent: 4137960 (1979-02-01), Cataldo
patent: 4153095 (1979-05-01), Sarkissian
patent: 4157107 (1979-06-01), Cataldo
patent: 4163466 (1979-08-01), Watts

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