Method of and apparatus for forming long metal tubing stock to t

Details Method of and apparatus for forming long metal tubing stock to t Method of and apparatus for forming long metal tubing stock to t

1983-07-08

1985-02-12

Combs, E. Michael

Metal deforming

By use of tool acting during relative rotation between tool...

Work-hammering tool

72402, B21J 716

Patent

active

044983212

ABSTRACT:
The method and apparatus permit a relatively long metal tubing stock to be finished to any desired tapered shape through a single-pass operation. The apparatus is provided in the form of a tandem configuration including any number of individual swaging units each having the identical construction including the same working parts and assemblies. The grooved roll arrangement associated with the tandem-configured swaging units is used as a preliminary step, and forms an initial metal tubing stock to a multiple-stepped shape.

REFERENCES:
patent: 2642762 (1953-06-01), Evans
patent: 2734404 (1956-02-01), Batty
patent: 3273367 (1966-09-01), Hallden
patent: 3812699 (1974-05-01), Koost et al.

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