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Inventor: Hans Georg Hartung


Address: Pulheim, DE
No. of patents: 8
Last patent issue date: 01/09/2007

NumberTitleIssue Date
7159431Method of operating a section straightening machine
A section straightening machine is operated by a method which involves passing the structural sections through the array of straightening tools. Section straightening forces are applied to adjustable shafts carrying the tools and adjusters at the service sides of th...
01/09/2007
7059163Roll stand comprising a crown-variable-control (CVC) roll pair
The invention relates to a roll stand comprising a crown-variable-control (CVC) roll pair, preferably a CVC working roll pair and a back-up roll pair, which comprise a contact area (B cont) in which a horizontally active torque (M) acts that leads to a twisting of t...
06/13/2006
6925845Method and device for tension leveling a cold-rolled strip and regulating the degree of leveling
The invention relates to a method for tension levelling a cold-rolled strip, whereby the strip passes through a series of break rolls and a series of traction rolls and in the course of its extension is subjected to traction between the two series of rolls. The stri...
08/09/2005
6843091Section straightening machine
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) dispose...
01/18/2005
6436205Method for surface processing of a continuously cast steel product and device therefor
In a surface processing method for removing surface flaws, surface contaminants, and the like from a continuously cast metal product in a hot state, at least a portion of at least one metal product surface is cooled for a defined temperature decrease of a...
08/20/2002
6216519Roll for a roll stand
A roll for a roll stand including a roll shaft with at least one roll ring mounted on the roll shaft, wherein the roll shaft is axially displaceable. The roll stand for rolling a metal strip may be, for example, a two-high stand, a four-high stand or six-...
04/17/2001
6138487Roll for influencing flatness
A roll, particularly a back-up roll, for rolling flat material is composed of a rotating roll shell and a unit arranged within the roll shell for influencing the bending stiffness of the roll shell. The unit for influencing the bending stiffness of the ro...
10/31/2000
5964116Roll stand for rolling strip
A roll stand for rolling strip includes work rolls which rest against back-up rolls through intermediate rolls, wherein the work rolls and/or the back-up rolls and/or the intermediate rolls are arranged so as to be axially slidable relative to each other,...
10/12/1999
 
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