Tubular rubber products

Details Tubular rubber products Tubular rubber products

1984-11-09

1987-04-14

Gallagher, John J.

Pipe joints or couplings

Nonmetal to metal

Internal member

138103, 138109, 138137, 156187, 156281, 1563073, 1563312, 156335, 285239, 285259, 4274121, F16L 3300

Patent

active

046572856

ABSTRACT:
A process for producing a tubular rubber product such as a rubber hose and a rubber coupling in which a polyamide resin and/or polyester resin layer is formed to the main body of a tubular rubber product. The resin layer is formed either by coating an organic solvent-soluble nylon to the surface of the main body of the tubular rubber product applied with the surface treatment of a halogenoid compound, or by polyamide resin or by polyester resin film having a softening point in the vulcanization temperature region and treated with an adhesive mainly comprising a resorcine-formaldehyde resin and a rubber latex or treated with an adhesive rubber mainly comprising a resorcine, a formaldehyde-forming substance and a vinylpyridine-butadiene-styrene copolymer rubber and then bonding under vulcanization onto the main body of the non-vulcanized tubular rubber product.

REFERENCES:
patent: 3017203 (1962-01-01), Macleod
patent: 3210100 (1965-10-01), Lowles et al.
patent: 3234067 (1966-02-01), Krysiak
patent: 4251409 (1981-02-01), Neubert

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