Underwater submersible gaseous cutter for submerged pipe lines

Details Underwater submersible gaseous cutter for submerged pipe lines Underwater submersible gaseous cutter for submerged pipe lines

1977-05-02

1979-02-20

Kucia, Richard R.

Electric heating

Metal heating

Cutting or disintegrating

219 69W, 219 72, B23K 912

Patent

active

041408900

ABSTRACT:
An underwater cutter for submerged pipelines employing O.sub.2 or gaseous hydrogen fluoride and a continuously fed electrode to provide high temperature cutting means, said electrode being carried by a motor driven spool in a housing on rollers contacting the pipe, one of said rollers being electrically driven, an adjustable bracket carried by the housing and having rollers substantially opposed to the first mentioned rollers, a knife edge carried by the housing adapted to ride in a precut slot on the pipe for guiding the cutter about the pipe, with suitable connections on the housing from a power source, a compressed air source, a source of O.sub.2 or gaseous hydrogen fluoride, a welding cable, and a ground connection.

REFERENCES:
patent: 3102187 (1963-08-01), Coscia
patent: 3678239 (1972-07-01), Hill
patent: 3777103 (1973-12-01), White
patent: 3840170 (1974-10-01), Arikawa
patent: 3841000 (1974-10-01), Simon
patent: 4051342 (1977-09-01), Stubbings
Giachino et al., Welding, Skills and Practice published by American Technical Society, Chicago, Ill., 1976, p. 327, FIG. 32-6 relied on.

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