Resilient tires and wheels – Tires – resilient – Inflating devices
Patent
1976-10-28
1978-01-03
Hoffman, Drayton E.
Resilient tires and wheels
Tires, resilient
Inflating devices
152349, 152367, 152370, B60C 2900
Patent
active
040661130
ABSTRACT:
An assembly for home installation replaces a metal-bodied valve in an inner tube with a vulcanized elastomeric valve so that the tube can be safely used for play, such as in a swimming pool. The assembly includes a vulcanized elastomeric cover having a diameter larger than the diameter of the flange of the elastomeric valve, with the cover having a vulcanized bond to the flange of the replacement valve. An annular disk of unvulcanized and vulcanizable material has a central opening fitting around the body of the replacement valve so that the disk underlies the inward facing surface of the valve flange. A nonvulcanizing adhesive temporarily adheres the disk to the flange, and an unvulcanized and vulcanizable material is provided under the cover radially outward from the flange. Release material overlies the unvulcanized material under the flange and the cover, and after the release material is stripped away, the assembly is bondable to the inner tube by vulcanizing the vulcanizable material to bond the flange, disk, cover, and inner tube all together.
REFERENCES:
patent: 1800178 (1931-04-01), Cooper et al.
patent: 2120346 (1938-06-01), Becker
patent: 2285008 (1942-06-01), Bronson
patent: 3802981 (1974-04-01), Oldshue
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