Apparatus for bending and twisting elongated pieces

Details Apparatus for bending and twisting elongated pieces Apparatus for bending and twisting elongated pieces

1980-08-22

1983-01-11

Crane, Daniel C.

Metal deforming

By twisting axially moving work

With adjustment of machine or variation in effect of tool on...

72166, 72307, 72 64, B21D 1114

Patent

active

043676413

ABSTRACT:
A method and apparatus for bending an elongated piece, wherein the piece is fed to and held by feeding rolls and bending rolls which are spaced from each other, the piece is bent by displacing the bending rolls in directions perpendicular to the longitudinal axis of the piece and is twisted by rotating the bending rolls about the longitudinal axis of the piece.

REFERENCES:
patent: 1463594 (1923-07-01), Rust
patent: 2233869 (1941-03-01), Lukacs
patent: 2944582 (1960-07-01), Ahonen
patent: 3058511 (1962-10-01), Phillips
patent: 3280607 (1966-10-01), Esken et al.
patent: 3421351 (1969-01-01), Newman et al.
patent: 3673844 (1972-07-01), Heijenga
patent: 3678723 (1972-07-01), Tenpas

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