Flat metal, production device and production method

Abstract

The present invention relates to a device ( 1 ) for production of flat metal. The device ( 1 ) includes at least two rolls ( 2, 3 ) extending essentially parallel to each other, their axes of rotation ( 4 ) lying in a plane ( 5 ) more or less perpendicular to the direction of gravity ( 7 ).

1 .- 21 . (cancelled)  
   
   
       22 . A device for producing flat metal comprising at least two rolls extending essentially parallel to each other, their axes of rotation lying in a plane substantially perpendicular to the direction of gravity, at least one of the rolls being axially adjustable such that a distance between the rolls can be controlled, and wherein at least two of the rolls are subject to a drive torque.  
   
   
       23 . A device according to  claim 22 , wherein the distance between the rolls is adjustable by translation of one of the rolls by precision feed.  
   
   
       24 . A device according to  claim 22  wherein at least two rolls are subject to a drive torque independently of torque transfer between the rolls by way of their surfaces.  
   
   
       25 . A device according to  claim 22  comprising a transport mechanism for feeding the flat metal through the device.  
   
   
       26 . A device according to  claim 25 , wherein the transport mechanism comprises a feed roller which feeds the flat metal between the rolls free from tensile stresses.  
   
   
       27 . A device according to  claim 25 , wherein the transport mechanism comprises a transport roller which removes the flat metal from between the rolls free from tensile stresses.  
   
   
       28 . A device according to  claim 22  comprising at least two contact elements adapted to supply an electric current through the flat metal strip after it exists the rolls, and a regulator to regulate the quantity of current fed into the flat metal strip.  
   
   
       29 . A device according to  claim 28 , wherein the contact elements each comprise rolls with electrically conductive surfaces which are rotatably mounted about their lengthwise axis.  
   
   
       30 . A device according to  claim 29 , wherein the quantity of current flowing through the flat metal is regulated as a function of the transport velocity of the flat metal.  
   
   
       31 . A device according to  claim 22  comprising a reel on which the flat metal can be wound after exiting the rolls, an axis of rotation of the reel being substantially perpendicular to the direction of entry of the flat metal, the reel being mounted such that it is movable along its axis of rotation.  
   
   
       32 . A device according to  claim 28  comprising a reel on which the flat metal can be wound after exiting the rolls, an axis of rotation of the reel being substantially perpendicular to the direction of entry of the flat metal, the reel being mounted such that it is movable along its axis of rotation.  
   
   
       33 . A device according to  claim 29  comprising a reel on which the flat metal can be wound after exiting the rolls, an axis of rotation of the reel being substantially perpendicular to the direction of entry of the flat metal, the reel being mounted such that it is movable along its axis of rotation.  
   
   
       34 . A device for heat treating flat metal during a rolling process comprising at least two contact elements adapted to supply an electric current through the flat metal strip, and a regulator to regulate the quantity of current fed into the flat metal strip.  
   
   
       35 . A device according to  claim 34 , wherein the contact elements each comprise rolls with electrically conductive surfaces which are rotatably mounted about their lengthwise axis.  
   
   
       36 . A device according to  claim 34 , wherein the quantity of current flowing through the flat metal is regulated as a function of the transport velocity of the flat metal.  
   
   
       37 . A device for winding rolled flat strip metal comprising a reel on which the flat metal can be wound, an axis of rotation of the reel being substantially perpendicular to the direction of entry of the flat metal, the reel being mounted such that it is movable along its axis of rotation.  
   
   
       38 . A device according to  claim 37 , comprising a traveling mechanism for displacing the reel to and fro during winding along its axis of rotation to distribute the wound flat metal uniformly over a winding width of the reel.