Pipe connector with threaded seal in nonthreaded cavity

Details Pipe connector with threaded seal in nonthreaded cavity Pipe connector with threaded seal in nonthreaded cavity

1990-02-05

1992-07-21

Arola, Dave W.

Pipe joints or couplings

Particular interface

Tapered

285353, 285379, 285924, 285388, F16L 2500

Patent

active

051316927

ABSTRACT:
A pipe connector device for selectively interconnecting a pair of pipe elements in an end-to-end relationship and for sealing a junction between the elements to prevent leaks. A first and a second pipe element each includes a cavity adjacent to a center bore in the pipe element. The first pipe element has a substantially smooth inner surface which defines an outer boundary of a first cavity. An annular seal mounted in the cavities seal the junction between the pipe elements. A threaded outer portion of the seal has a plurality of radially outer points which press against the inner surface of the first cavity to retain the annular seal in the first cavity when the pipe elements are separated.

REFERENCES:
patent: 216736 (1879-06-01), Hall
patent: 1996855 (1935-04-01), Cheswright
patent: 3767233 (1973-10-01), Hodge
patent: 4114930 (1978-09-01), Perkins et al.
patent: 4563025 (1986-01-01), Poe
patent: 4597594 (1986-07-01), Kacalieff et al.
patent: 4927192 (1990-05-01), Ungchusri et al.
patent: 4997214 (1991-03-01), Reese

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