Tire retreading bladder

Details Tire retreading bladder Tire retreading bladder

1980-09-15

1981-10-06

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Product or preform repair or restoring means

Tire recapping, rebeading or sidewall replacing means

425 17, 425 36, 425 43, 425 52, 425 58, 425812, B29H 504, B29H 502

Patent

active

042932939

ABSTRACT:
A tire retreading bladder which includes a generally angular member of a U-shaped cross-sectional configuration defined by a bight portion and a pair of legs with the annular member defining an interior volume, each leg terminating in a terminal edge of a generally circular configuration, each leg having interior and exterior surfaces, a plurality of pairs of closely adjacent ribs along the exterior surfaces for venting air from between such exterior surfaces and an interior surface of an associated tire adapted to receive therewithin the bladder, each pair of ribs setting off a venting groove therebetween, and venting means further including transverse venting slots disposed lengthwise along the ribs.

REFERENCES:
patent: D247118 (1978-01-01), MacMillan
patent: 2791805 (1957-05-01), White
patent: 2835921 (1958-05-01), White
patent: 2871514 (1959-02-01), White
patent: 3170195 (1965-02-01), Knox
patent: 3701615 (1972-10-01), Johnson
patent: 3997284 (1976-12-01), MacMillan
patent: 4028029 (1977-06-01), MacMillan
patent: 4197064 (1980-04-01), MacMillan

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