Water line test cap

Details Water line test cap Water line test cap

1990-10-09

1991-11-19

Schwadron, Martin P.

Valves and valve actuation

With correlated flow path

Pipe coupling or union

73 498, 138 89, F16L 5510

Patent

active

050659812

ABSTRACT:
A water line test cap is claimed comprising an elongated body closed at one end and having an elongated cylindrical recess and external threads at the other end thereof, an internally-threaded nut threaded to the elongated body, the nut being provided with a bore communicating with the elongated cylindrical recess and an expandable O-ring disposed therein, the cylindrical recess, the bore and said O-ring being linearly disposed and having the same internal diameter sufficient to permit the entry of a water pipe therein. In a preferred embodiment, the water line test cap is also provided with means to bleed the interior of air.

REFERENCES:
patent: 3814135 (1974-06-01), Hetzer et al.
patent: 3884070 (1975-05-01), Windle
patent: 4813569 (1989-03-01), Ruiz
patent: 4887646 (1989-12-01), Groves

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