Retreaded tire, method and apparatus

Details Retreaded tire, method and apparatus Retreaded tire, method and apparatus

1979-01-29

1981-03-31

Kittle, John E.

Resilient tires and wheels

Tires, resilient

Patches

152209R, 156 96, 51106R, 157 13, B60C 920, B60C 1102, B29H 1736, B29H 2101

Patent

active

042587760

ABSTRACT:
A retreaded belted tire and a method and apparatus for use in preparing same. The tire is prepared for retreading by removing a portion of the existing crown area rubber material so as to leave not greater than a predetermined amount of rubber material lying radially outward of the belt structure. New tread rubber material of uniform thickness throughout its length and width is added to the prepared tire and the assembly is cured under heat and pressure. When the newly added tread material is unvulcanized rubber, the assembly is cured in a mold having a crown area profile complementary to that of the prepared tire.

REFERENCES:
patent: 2228212 (1941-01-01), Heintz
patent: 2382269 (1945-08-01), Stephens et al.
patent: 2697472 (1954-12-01), Hawkinson
patent: 3002549 (1961-10-01), Boussu et al.
patent: 3080899 (1963-03-01), Robertson
patent: 3409066 (1968-11-01), Antraigne
patent: 3473596 (1969-10-01), Meixner
patent: 3897813 (1975-08-01), Verdier
patent: 3910337 (1975-10-01), Pelletier
patent: 4071071 (1978-01-01), Graves et al.
patent: 4088521 (1978-05-01), Neal
patent: 4155392 (1979-05-01), Duderstadt et al.

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