Rotatably adjustable pipe joint/coupling seal

Details Rotatably adjustable pipe joint/coupling seal Rotatably adjustable pipe joint/coupling seal

1987-04-02

1989-04-18

Arola, Dave W.

Pipe joints or couplings

Elbow

285184, 285212, F16L 4300

Patent

active

048220809

ABSTRACT:
A pipe joint for mating with a standard S.A.E. port includes at its outermost portion standard S.A.E. threads, an innermost threaded portion for receiving a nut, an annular groove between the innermost and outermost threaded portions for receiving a back-up washer adjacent the nut, and an "O"-ring between the washer and outermost threaded portion.

REFERENCES:
patent: 2342425 (1944-02-01), Parker
patent: 2343235 (1944-02-01), Bashark
patent: 2413878 (1947-01-01), Maky
patent: 2759743 (1956-08-01), Bloom
patent: 3101206 (1963-08-01), Franck
patent: 3240515 (1966-03-01), Schmohl
patent: 3498644 (1970-03-01), Davies et al.
patent: 4068863 (1978-01-01), Lasko
patent: 4252346 (1981-02-01), Sundholm

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