Hot tap cutter for plastic pipe

Details Hot tap cutter for plastic pipe Hot tap cutter for plastic pipe

1992-06-12

1993-11-02

Jones, Eugenia

Fluid handling

With repair, tapping, assembly, or disassembly means

Tapping a pipe, keg, or apertured tank under pressure

83171, F16K 4300

Patent

active

052576442

ABSTRACT:
An apparatus for hot tap cutting of plastic pipe comprising an electrode having a cutting edge, means for heating said electrode, and an insulating sheath, means for controlling movement of the electrode, and a housing containing the electrode, said housing sealingly securable to at least a portion of a plastic pipe whereby fluid pressure is maintained in the plastic pipe.

REFERENCES:
patent: 2676604 (1954-04-01), Senna
patent: 3465627 (1969-09-01), Vigneault
patent: 3546742 (1970-12-01), Kugler
patent: 3599623 (1971-08-01), Ver Nooy
patent: 4051734 (1977-10-01), Harcuba et al.
patent: 4063844 (1977-12-01), Pessia
patent: 4204447 (1980-05-01), Slaughterbeck
patent: 4270559 (1981-06-01), Wallberg
patent: 4331170 (1982-05-01), Wendell
patent: 4343111 (1982-08-01), Inoue
patent: 4449434 (1984-05-01), Johnson
patent: 4655480 (1987-04-01), Thalmann
patent: 4667552 (1987-05-01), Calligarich
patent: 4992639 (1991-02-01), Watkins et al.
patent: 5159865 (1992-11-01), Hinckley

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