Structure of roll-forming machine

Details Structure of roll-forming machine Structure of roll-forming machine

2007-06-19

2007-06-19

Crane, Daniel C. (Department: 3725)

Metal deforming

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

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

C072S226000

Reexamination Certificate

active

11038073

ABSTRACT:
A roll-forming machine formed of a machine base, a plurality of sheet-transfer roll sets, and a plurality of forming roll sets and adapted for the formation of a C-shaped component or a Z-shaped component from a sheet material is disclosed to have an adjustment structure for adjusting the horizontal pitch between the left-side forming rolls and the right-side forming rolls, the vertical pitch between the first left-side forming toll and the second left-side and the vertical pitch between the first right-side forming roll and the second right-side forming roll, and the pitch between the impression roll and sheet-transfer roll of each sheet-transfer roll set.

REFERENCES:
patent: 1673787 (1928-06-01), Frahm et al.
patent: 2843178 (1958-07-01), Nighthart
patent: 4787232 (1988-11-01), Hayes
patent: 5722278 (1998-03-01), Horino et al.
patent: 5787748 (1998-08-01), Knudson et al.
patent: 6216514 (2001-04-01), Bradbury et al.
patent: 6772616 (2004-08-01), Cunningham et al.

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