Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent
1979-03-23
1980-09-30
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
With separate, encased pipe-gripping means
285312, 285323, 285338, F16L 3718
Patent
active
042251591
ABSTRACT:
This invention relates to a fitting for mounting to the ends of smooth wall tubes, particularly smooth wall tubes having a bead on the ends thereof. The fitting both grips and seals the inside diameter of the tube, with positive adjustable handle torque action.
REFERENCES:
patent: 3058760 (1962-10-01), Bankowski
patent: 3542076 (1970-11-01), Richardson
patent: 3868132 (1975-02-01), Racine
patent: 4154465 (1979-05-01), Van Meter
Callaghan Thomas F.
Ramer Test Tools, Inc.
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