CUTTING APPARATUS

Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Frictionally engaging sides of opening in work

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Details

279 16, 408112, 408196, 408204, B23b 4100

Patent

active

039443795

ABSTRACT:
Apparatus for cutting work provided with centering means and supported adjacent a housing drivably mounted for rotation on a frame, the housing being arranged to support a floating, cutting assembly having a cutting head and centering means for initial alignment with the centering means on the work and subsequent cutting of the metal by the cutting head to remove an annular portion of material from the work.

REFERENCES:
patent: 182744 (1876-10-01), Bowen
patent: 1377663 (1921-05-01), Brown et al.
patent: 1424535 (1922-08-01), Watts
patent: 1469500 (1923-10-01), De Long
patent: 1823032 (1931-09-01), De Vlieg
patent: 3364798 (1968-01-01), Girardin

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