Leveling device and leveling method

Details Leveling device and leveling method Leveling device and leveling method

1991-12-23

1994-07-19

Crane, Daniel C.

Metal deforming

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

By use of deflected arranged to provide longitudinally...

72205, B21D 105

Patent

active

053297989

ABSTRACT:
A leveling device for correcting defective shape of a strip by repeatedly bending the strip under a tensioned condition of the strip, comprising a tension leveler including a stretching roll unit for correcting local elongations of the strip and a C-warp correcting roll unit for correcting the warp in the crosswise direction of the strip, and at least a tension fluctuation suppressing means for suppressing the tension fluctuation transferred from the bridle rolls and preventing the generation of charter mark. The tension fluctuation suppressing means may be composed of a rotary resistant body of at least two deflector rolls or of a pair of pinch rolls arranged one above the other.

REFERENCES:
patent: 2854056 (1958-09-01), Stanius
patent: 3401546 (1968-09-01), Greenberger
patent: 3429164 (1969-02-01), Oganowski
patent: 3838888 (1974-10-01), Greenberger
patent: 4134283 (1979-01-01), Noe
patent: 4651549 (1987-03-01), Masui
patent: 4898013 (1990-02-01), Mazodier

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