Section straightening machine

Details Section straightening machine Section straightening machine

2005-01-18

2005-01-18

Crane, Daniel C. (Department: 3725)

Metal deforming

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

By use of deflected arranged to provide longitudinally...

Reexamination Certificate

active

06843091

ABSTRACT:
In a straightening machine for straightening sections like rolled beams, wherein tools (11) are arranged on a plurality of mutually parallel driven straightening shafts (8, 9; 21a,21b,22a,22b) disposed above and below the alignment line in the transport direction of the product to be straightened, and of which preferably the upper straightening shafts (2a,21b) are adjustable for setting the straightening gap, the straightening shafts (2a,21a, b) are individually adjustable and each have on both sides an adjusting means engaging straightening shaft ends (6, 7; 23a,23b) whereby in straightening operations at least the adjusting means on the service side (6; 23a) remote from the drive side I is provided with a force (FA) acting opposite to the straightening force (FR) relevant hereto.

REFERENCES:
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patent: 4022046 (1977-05-01), Serizawa et al.
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patent: 6266989 (2001-07-01), Pohl et al.
patent: 6354127 (2002-03-01), Rossini
patent: 0 689 884 (1996-01-01), None
patent: 1 038 602 (2000-09-01), None

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