Cage-roll unit for metal pipe forming

Details Cage-roll unit for metal pipe forming Cage-roll unit for metal pipe forming

1979-09-06

1981-11-10

Combs, Ervin M.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflector arranged to bend work transversely of...

72 52, 72181, 228 17, 228147, 228151, B21D 508, B21D 5100, B21D 3900

Patent

active

042991080

ABSTRACT:
A metal pipe forming mill progressively forms a flat metal sheet into a circular form along the mill axis by forming rolls including pairs of cage rolls. A cage-roll unit in this type of mill has a pair of movable bases disposed on both sides of the mill axis, with the space between the two movable bases being freely adjustable, and a pair of stands mounted on the movable bases, one on each. The stands rotatably support, on their surfaces facing the mill axis, two or more pairs of cage rolls, one pair following another along the mill line.

REFERENCES:
patent: 2098989 (1937-11-01), Yoder
patent: 2203855 (1940-06-01), Anderson
patent: 2471490 (1949-05-01), Mercer
patent: 3472053 (1969-10-01), Chang
patent: 4070887 (1978-01-01), Hankin
patent: 4122696 (1978-10-01), Midzutani et al.

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