Seal for irrigation valve

Details Seal for irrigation valve Seal for irrigation valve

1985-02-26

1986-05-20

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285910, 16 2, 137556, F16L 304

Patent

active

045896909

ABSTRACT:
A sealing structure to couple an irrigation valve through a rectangular opening in the side of a pipe includes a rectangular conduit portion and a rectangular gasket of elastomeric material. The gasket has a side wall which is wider than the other walls and flange portions which extend outwardly against the inner and outer surfaces of the pipe around the rectangular opening. The conduit includes a laterally extending flange which, upon assembly, encompasses the wider wall. Compression of the wider wall permits insertion of the other side of the conduit through the central opening in the gasket, forming a watertight seal with the rectangular opening.

REFERENCES:
patent: 2367836 (1945-01-01), Brown
patent: 2454707 (1948-11-01), Meyers et al.
patent: 3277234 (1966-10-01), Dekko et al.
patent: 3879069 (1975-04-01), Oostenbrink
patent: 4232421 (1980-11-01), Tucker
patent: 4291904 (1981-09-01), Eversen et al.

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