Method of forming long metal tubing to tapered shape

Details Method of forming long metal tubing to tapered shape Method of forming long metal tubing to tapered shape

1984-09-25

1986-11-18

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

72235, 72402, 72404, 29DIG41, B21B 1714, B21D 4104

Patent

active

046228411

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

REFERENCES:
patent: 1696697 (1928-12-01), Sommer
patent: 1888607 (1932-11-01), Offutt
patent: 1982874 (1934-12-01), Jamison
patent: 2089311 (1937-08-01), Tolles
patent: 2642762 (1953-06-01), Evans
patent: 3136053 (1964-06-01), Powell
patent: 3969155 (1976-07-01), McKeighen

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