Transition beam forming section for tube mill

Details Transition beam forming section for tube mill Transition beam forming section for tube mill

1997-03-10

1999-02-02

Larson, Lowell A.

Metal deforming

By tool-couple pressing together adjacent surface portions...

To form longitudinally-seamed tube

72176, B21D 3902, B21D 508

Patent

active

058650539

ABSTRACT:
A transition forming unit for a tube mill is provided for forming a strip into a generally annular shaped cross-sectional configuration. The forming process is performed by a plurality of roll assemblies mounted on at least a pair of spaced longitudinally extending beams, one disposed on each side of the longitudinal axis of the forming unit. The beams are mounted to rotate about their longitudinal axis and are horizontally and vertically adjustable.

REFERENCES:
patent: 3468150 (1969-09-01), Ruple
patent: 4393907 (1983-07-01), Konstadt
patent: 4487046 (1984-12-01), Abbey, III
patent: 4697446 (1987-10-01), Yamamoto et al.
patent: 4747289 (1988-05-01), Nakamura
patent: 4756204 (1988-07-01), Wittwer et al.

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