Apparatus for cutting and chamfering irregular shaped pipes

Details Apparatus for cutting and chamfering irregular shaped pipes Apparatus for cutting and chamfering irregular shaped pipes

1977-01-14

1978-04-18

Hinson, Harrison L.

Turning

Severing or cut-off

Flying cutter type

82 19, B23B 3700, B23B 328

Patent

active

040844633

ABSTRACT:
A rotatable drum 4 is supported by rollers 5 on a travelling frame member 1, and surrounds a pipe 3 gripped by the frame member. Swing levers 6, 6' coupled at their one ends to and driven by fluid pressure cylinders 10, 10' are pivotally mounted on the drum at journals 7, 7', and guide rollers 11, 11' and associated cutting and chamfering members 9, 9' rotatably driven by motors 8, 8' are mounted on the swing levers and extend inwardly towards the pipe. Pressure fluctuations in the cylinders are absorbed by accumulators 13, 13', whereby the chamfering and cutting members are sequentially driven into engagement with and smoothly follow the uneven contours of the pipe surface.

REFERENCES:
patent: 2312573 (1943-03-01), Motch, Jr. et al.
patent: 3756128 (1973-09-01), Armstrong et al.
patent: 3771393 (1973-11-01), Gatto et al.

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