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US 2002/0157440 A1Published application
Stretch leveler for steel and other metal strip
AssigneeBWG Bergwerk- und Walzwerk-Maschinenbau GmbH
InventorsAndreas Noe, Rolf Noe
Life of this patent
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Abstract
A stretch leveling apparatus having at least two stretching zones and wherein the lengths of the first and second stretching zones are each at least 0.5 times the maximum strip width.
Claims13
A stretch leveler for metal strip having a thickness range of substantially 0.1 to 4 mm between a minimum thickness and a maximum thickness and a strip width range between a minimum width and a maximum width, said stretch leveler comprising:
- a brake roll set having a plurality of brake rolls around which a traveling metal workpiece strip passes for exerting a drag upon said traveling metal workpiece strip;
- a traction roll set spaced from said brake roll set and having a plurality of traction rolls around which said traveling metal workpiece strip passes for exerting traction upon said traveling metal workpiece strip;
- and
- a driven roll engaging said traveling metal workpiece strip between said brake roll set and said traction roll set and defining a first leveling stretching zone between said brake roll set and said driven roll and a second leveling stretching zone between said driven roll and said traction roll set such that each of said zones has a length which is at least 0.5 times said maximum strip width.
1 more element
Dependencies are inferred from the claim text.