Elbow mandrel

Details Elbow mandrel Elbow mandrel

1979-04-23

1981-01-27

Hinson, Harrison L.

Turning

Process of turning

269 481, 408 80, B23B 322, B23B 4100

Patent

active

042468140

ABSTRACT:
A mandrel arrangement for mounting a pipe machining tool for rotation relative to at least one end of a pipe bend to be machined. Locating plate means are detachably mountable on the mandrel for positioning the mandrel in the pipe bend in a predetermined location. Clamping means are provided on the mandrel for clamping the pipe means in the predetermined location. A mandrel shaft means is detachably mounted to the mandrel adjacent one or both of the ends thereof for receiving the pipe machining tool to machine the ends of the pipe bend. The locking means is cam actuated to frictionally clamp the mandrel in the pipe bend at the predetermined position and the structure of the cam operated locking means allows utilization of the pipe mandrel in comparatively small internal diameter pipe bends.

REFERENCES:
patent: 2478318 (1949-08-01), Payne
patent: 4050836 (1977-09-01), Anders
patent: 4169396 (1979-10-01), Astle

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