Pipe connector and hole cutter

Details Pipe connector and hole cutter Pipe connector and hole cutter

1980-03-10

1981-03-24

Callaghan, Thomas F.

Pipe joints or couplings

Frangible element

137318, 285197, 285337, F16L 4106

Patent

active

042576288

ABSTRACT:
A hollow body is connected by a compression seal and a split collar over a closed end of a first pipe containing fluid under pressure. A lateral screw-type cutter connected to the body has a circular knife edge with one or more scallops, the knife edge being formed and being positioned to cut cleanly a single slug from a first pipe at a point within the body near the seal. An end of the body opposite that end sealed to the first pipe has a nipple to which a second pipe is connected, and a strainer positioned across the nipple retains the slug within the body. Space between the first pipe and the body is sufficient to provide a passgeway for full flow of fluid through the hole of the first pipe to the nipple for the second pipe. The second pipe usually continues in a direction coaxial with the first pipe.

REFERENCES:
patent: 688683 (1901-12-01), Phillips
patent: 3652107 (1972-03-01), Tickett
patent: 3817271 (1974-06-01), Roven
patent: 4063844 (1977-12-01), Pessia

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