End-to-end jointing system for tubes and pipes

Details End-to-end jointing system for tubes and pipes End-to-end jointing system for tubes and pipes

1991-12-02

1993-10-26

Moore, Richard E.

Pipe joints or couplings

Essential catch

285423, F16L 3714

Patent

active

052559459

ABSTRACT:
The system is used for connecting sections of plastic tubing which form a sampling pipe for a well, in which a nose of one tube engages a sleeve on the neighboring tube. The system is an improvement to the tangential-key type of tube jointing system, where a flexible key passes through a key-hole in the sleeve, and around the circumference of the key-groove. The now system includes a rectangular key in place of the usual round key. Also shown is an O-ring seal, which resides in a seal-groove cut in the nose, outboard of the key-groove.

REFERENCES:
patent: 2436407 (1948-02-01), Stephens
patent: 2597482 (1952-05-01), Harrison et al.
patent: 2645513 (1953-07-01), Sterrett
patent: 2839218 (1958-06-01), Zerbe
patent: 3479067 (1969-11-01), Potts
patent: 4128265 (1978-12-01), Fenster et al.
patent: 4427221 (1984-01-01), Shay, Jr.
patent: 5083820 (1992-01-01), Hopperdietzel

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