Apparatus for performing roll bending on shape metal

Details Apparatus for performing roll bending on shape metal Apparatus for performing roll bending on shape metal

1983-11-08

1986-04-01

Combs, E. Michael

Metal deforming

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

To form helical coil or tube

72224, B21B 108, B21B 1310

Patent

active

045789770

ABSTRACT:
An apparatus for performing roll bending on shape metal including a first rolling roll, a second rolling roll having an outer circumferential surface juxtaposed against an outer circumferential surface of the first rolling roll, and third and fourth rolling rolls having outer circumferential surfaces opposed against end faces of the first and second rolling rolls respectively. Two to four rolls selected from the group of the four rolling rolls are used for performing roll bending on shape metal in such a manner that the shape metal has, after being subjected to the roll bending, a thickness which successively decreases in going toward its outer portion from its central portion.

REFERENCES:
patent: 1602788 (1926-10-01), Thomes
patent: 1920154 (1933-07-01), Carlson
patent: 2374802 (1945-05-01), Breuer
patent: 3472054 (1969-10-01), Schmitt et al.

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