Pipe coupling

Details Pipe coupling Pipe coupling

1978-11-13

1980-12-23

Callaghan, Thomas F.

Pipe joints or couplings

Movable jaw

Wedge bushing

285372, 2853822, 285383, 285421, F16L 2100

Patent

active

042406552

ABSTRACT:
A flange compression pipe coupling wherein the end portions of the pipes to be coupled are surrounded by an inner jacket consisting of ductile metallic material. The inner jacket is surrounded by a radially deformable outer jacket which is biased against the exterior of the outer jacket by two flanged rings having conical internal surfaces. The outer jacket causes plastic deformation of the inner jacket until the latter sealingly engages the end portions of the pipes whereupon the extent of plastic deformation of the inner jacket remains unchanged.

REFERENCES:
patent: 654073 (1900-07-01), Olinger
patent: 1186813 (1916-06-01), McFerran
patent: 2288225 (1942-06-01), Boughton
patent: 2741498 (1956-04-01), Elliott
patent: 3104898 (1963-09-01), MacDonald et al.
patent: 3149860 (1964-09-01), Hallesy
patent: 3235293 (1966-02-01), Condon
patent: 3558164 (1971-01-01), Havell
patent: 3765708 (1973-10-01), Pease et al.
patent: 3933377 (1976-01-01), Arrowood
patent: 4101151 (1978-07-01), Ferguson

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