Pipe patching clamp

Details Pipe patching clamp Pipe patching clamp

1980-09-02

1983-07-05

Smith, Robert I.

Pipes and tubular conduits

Repairing

Patches

F16L 5516

Patent

active

043913008

ABSTRACT:
A patch clamp for repairing holes and splits or cracks in pipes that convey liquids or gases having a unitary, cylindrical strap adapted to surround the pipe with a pair of opposed, interconnectable dogs forming the opposite ends thereof. The strap also includes two pairs of longitudinally extending grooves in the inner surface thereof located at substantially 180 degrees from one another. A resilient sealing strip to be positioned between the strap and the pipe against the hole or split to be repaired has one side conforming to the inner surface of the strap member and two spaced tongues having the same cross-sectional shapes as in one pair of the grooves in the strap member to form an interlocking connection therebetween. The other side of the strip has a convex surface facing the pipe which is compressed between the strap member and the pipe upon securing the dogs together by a threaded member.

REFERENCES:
patent: 1559442 (1925-10-01), Lacy
patent: 1806867 (1931-05-01), Welsh
patent: 2429411 (1950-11-01), Northrup

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