Method and apparatus for sealing a discontinuity in a tubular as

Details Method and apparatus for sealing a discontinuity in a tubular as Method and apparatus for sealing a discontinuity in a tubular as

1983-08-05

1986-01-14

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 9, 277128, 285373, 285398, F16J 1502

Patent

active

045642010

ABSTRACT:
A method of forming a seal over at a discontinuity in a tubular area e.g. a joint between two pipes comprises providing a sealing element around the area and clamping the element in position with a clamping element extending around the sealing element. The clamping element has portions with interengaging formations (e.g. teeth) adapted to allow relative movement between said two portions to apply clamping pressure to the element but to prevent relative movement in the other direction.

REFERENCES:
patent: 509458 (1893-11-01), Still
patent: 3199899 (1965-08-01), Fujii
patent: 3521913 (1970-07-01), Verhein et al.
patent: 3960395 (1976-06-01), Cirule et al.

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