Torch type pipe cutter

Details Torch type pipe cutter Torch type pipe cutter

1973-11-19

1976-08-17

Lake, Roy

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

With means for cutting tubular workpiece

30 97, 59 93, 266 69, 266 71, B23K 704, B23K 710

Patent

active

039750035

ABSTRACT:
A pipe cutter including a wheeled carriage which mounts a torch and rolls circumferentially about a pipe so that the torch can progressively make a cut thereabout. The carriage may be held snugly to the pipe by a chain or rope and take-up mechanism, and be advanced about the pipe by a crank unit detachably mounted to the pipe.

REFERENCES:
patent: 612138 (1898-10-01), Reeve
patent: 1879444 (1932-09-01), Ost et al.
patent: 1886855 (1932-11-01), Wagner
patent: 2021441 (1935-11-01), Brown
patent: 2502660 (1950-04-01), McLean
patent: 2851265 (1958-07-01), Cink
patent: 3572669 (1971-03-01), Brand
patent: 3700223 (1972-10-01), Elliott
patent: 3810359 (1974-05-01), Schreyer et al.
patent: 3856283 (1974-12-01), Johnson

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