Device for cutting circular openings in pipe, vessels, and flat

Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – With means for cutting tubular workpiece

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266 70, 266 62, B23K 700

Patent

active

060225068

ABSTRACT:
A circle cutting device that is particularly useful for cutting openings through pipe and round vessels and may also be utilized for cutting circular openings through flat material. The device utilizes a conventional oxygen acetylene cutting torch or plasma cutter and also may be angled to provide a means for bevel cutting circular openings at a desired angle. The device is portable and easily used in field operations by a craftsman.

REFERENCES:
patent: 866866 (1907-09-01), Jottrand
patent: 1991117 (1935-02-01), Porteous et al.
patent: 2497853 (1950-02-01), Arnold et al.
patent: 3388901 (1968-06-01), Fergurson
patent: 4411410 (1983-10-01), Sumner
patent: 5159756 (1992-11-01), McGuire

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