Simplified valve for tubeless tire

Details Simplified valve for tubeless tire Simplified valve for tubeless tire

1976-10-28

1978-03-07

Hoffman, Drayton E.

Resilient tires and wheels

Tires, resilient

Inflating devices

141 38, 137223, B60C 2900

Patent

active

040774562

ABSTRACT:
An extremely simple valve stem assembly for a tubeless tire and rim, comprising an elastomeric boot or flexible enclosure adapted to be inserted into a rim hole from one side thereof, and a hard plastic insert, which is specially configured to be joined with the boot, such insert being inserted from the opposite side of the rim so as to create a tight, mechanical fit, the dimensions being so proportioned that a perfect seal is established between the periphery of the boot and the rim by reason of boot expansion, as well as an extremely tight seal between the insert and the inner portion of the boot by virtue of compression between insert and rim.

REFERENCES:
patent: 3032091 (1962-05-01), McCord
patent: 3087529 (1963-04-01), Morton
patent: 3258051 (1966-06-01), Kilmarx
patent: 3511295 (1970-05-01), Kilmarx

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