Pipe repair clamp

Details Pipe repair clamp Pipe repair clamp

1996-12-11

1998-08-25

Ferensic, Denise L.

Pipes and tubular conduits

Repairing

Patches

138 97, 138155, 138158, 138167, F16L 55168

Patent

active

057974322

ABSTRACT:
A pipe repair clamp especially for subsea offshore work has two half-shells held together around the pipe by two sets of diametrically opposite interlocking formations comprising in each set a series of abutments integral with a half-shell and a series of hooks integral with the other half-shell. The abutments are arranged in a castellated formation and provide first surfaces opposed to and engaged by second surfaces provided by the hooks. The half-shells have opposed abutting longitudinal faces with a longitudinal seal between each two abutting longitudinal faces extending along the half-shells. The longitudinal seals at their ends seal against 180.degree. seals at each end of the clamp, each 180.degree. seal being at an end of a respective half-shell. An annular gap 18 between the clamp 10 and the pipe is fillable with repair grout.

REFERENCES:
patent: 164028 (1875-06-01), Peake
patent: 924262 (1909-06-01), Moll
patent: 1693081 (1928-11-01), Kass
patent: 2660200 (1953-11-01), Corey
patent: 2898945 (1959-08-01), Backer
patent: 3685545 (1972-08-01), Smith et al.
patent: 3914100 (1975-10-01), Guskea
patent: 3954288 (1976-05-01), Smith
patent: 4535822 (1985-08-01), Rogers, Jr.
patent: 4768813 (1988-09-01), Timmons
patent: 4790058 (1988-12-01), Miller
patent: 5301983 (1994-04-01), Porowski

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