Tube rolling

Metal deforming – By use of roller or roller-like tool-element – Including tautening of work during deformation

Patent

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Details

72234, B21B 1700

Patent

active

040206670

ABSTRACT:
A multistand rolling mill for stretch reducing tubes is provided in which the first stands of a plurality of successive stands are operated to build up tension and at least one of said stands is provided with means for varying the roll speed to provide a desired speed step in those stands designed to build up tension.

REFERENCES:
patent: 3074300 (1963-01-01), Justus
patent: 3645121 (1972-02-01), Pfeiffer et al.

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