Device for coupling pipeline flanges

Details Device for coupling pipeline flanges Device for coupling pipeline flanges

1978-12-04

1981-05-19

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

285 84, 285320, 285364, F16L 2300

Patent

active

042680719

ABSTRACT:
A device for connecting the flanges of two pipelines including a series of radially equally spaced gripping dogs on one of the pipelines for gripping the flange on the other of the pipelines means for moving the gripping dogs axially and radially whereby the gripping dogs axially pull the flanges toward the other pipeline into sealing relationship.

REFERENCES:
patent: 2368137 (1945-01-01), Harmon
patent: 2645506 (1953-07-01), Sturgis
patent: 3071188 (1963-01-01), Raulins
patent: 3077330 (1963-02-01), Lamphear
patent: 3199553 (1965-10-01), Garrett et al.
patent: 4153278 (1979-05-01), Ahlstone

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