Pipeline repair clamp

Details Pipeline repair clamp Pipeline repair clamp

1987-06-04

1990-05-22

Callaghan, Thomas F.

Pipe joints or couplings

Repair

277206A, 277236, 285917, F16L 5516

Patent

active

049271822

ABSTRACT:
A clamp for repair of a leak in a pipeline or other structure having a flanged joint. The clamp comprises arcuate clamp sections, typically two semi-circular sections, which are assembled end to end to form a clamp ring about the flanges at the site of the leak. Each clamp section has an inner surface with spaced edges, and a seal tube of deformable metal is attached to each of the clamp sections at each of the edges, with the metal tube having a folded wall with ridges and troughs.

REFERENCES:
patent: 3047301 (1962-07-01), Taylor et al.
patent: 3542380 (1970-11-01), Klein
patent: 4171142 (1979-10-01), Harrison
patent: 4568091 (1986-02-01), Harrison
patent: 4676531 (1987-06-01), Martin

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