Shaping machine for cylindrically bending a plate

Details Shaping machine for cylindrically bending a plate Shaping machine for cylindrically bending a plate

1991-04-10

1992-05-26

Crane, Daniel C.

Metal deforming

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

By use of deflectors arranged to bend work longitudinally of...

72173, 72169, 72249, 72420, B21D 514

Patent

active

051156580

ABSTRACT:
A shaping machine for bending a plate into a cylindrical shape which comprises a frame and first, second, and third roll assemblies disposed on the frame. Each of the roll assemblies includes a roll for engaging a plate to be bent and a plurality of pairs of support rollers axially distributed along and supporting the roll. There is a drive disposed at the frame for rotatably driving each of the rolls of the first, second, and third roll assemblies, and at least one of the roll assemblies is displaceable transversely to the longitudinal axis of its roll.

REFERENCES:
patent: 518765 (1894-04-01), Plecker
patent: 1767835 (1930-06-01), Dallas
patent: 2612934 (1952-10-01), Dubosclard
patent: 3091279 (1963-05-01), O'Neill
patent: 3564889 (1971-02-01), Herburg
patent: 4132099 (1979-01-01), Elsener
patent: 4285222 (1981-08-01), Jagelid
patent: 4367640 (1983-01-01), Heitzman
patent: 4491004 (1985-01-01), Ivanoff
patent: 4614099 (1986-09-01), Coulter

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