Radial cutting tool for cutting thick-walled tubular members

Details Radial cutting tool for cutting thick-walled tubular members Radial cutting tool for cutting thick-walled tubular members

1993-04-13

1995-03-07

Terrell, William E.

Turning

Portable lathe for pipe turning

30 95, 30 97, 407103, 407117, B23B 514, B23B 516, B23D 2110, B26D 316

Patent

active

053947762

ABSTRACT:
A portable cutting tool has an annular frame for surrounding the pipe. A rotatable ring on the frame carries a radially fed cutter which includes a bit subassembly for cutting the tubular member. The bit subassembly is indexed in response to orbital movement of the cutter. The bit subassembly includes a bit planar support block which has a dimension (as measured parallel to the longitudinal axis of the tubular member being cut) which is less than that of the bit which it carries. In such a manner, a channel passageway may be formed between the bit support block and the tubular member being cut as the bit penetrates into the tubular member during the cutting operation such that lubricating/flushing fluid may be directed to the bit.

REFERENCES:
patent: 3299491 (1967-01-01), Hall
patent: 3551977 (1971-01-01), Novkov
patent: 3889330 (1975-06-01), Zweekly
patent: 4320996 (1982-03-01), Roos
patent: 4357123 (1982-11-01), Zweekly
patent: 4938640 (1990-07-01), Pano et al.
patent: 4939964 (1990-07-01), Ricci

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