Roller coating method and coated roller

Abstract

The invention relates to a method of coating a roller with a covering formed from at least two components as well as to a roller coating. For this purpose, the two components are first blended under vacuum and then, the thus provided mixture is applied as a covering onto the roller. The roller coating is diamond dust in a coating matrix preferably made from a plastic material.

1 . A roller coating process for coating a roller with a covering formed from at least two curing components, characterized in that the two components are first mixed under vacuum or under anaerobic conditions and that the thus provided mixture is next applied as a covering onto the roller.  
   
   
       2 . The method as set forth in  claim 1 , characterized in that one of the two components is a plastic material in a liquid form and the other of the two components is a hardener.  
   
   
       3 . The method as set forth in  claim 2 , characterized in that the plastic component is a resin, more specifically an epoxy resin.  
   
   
       4 . The method as set forth in  claim 1 , characterized in that the two components are blended together under vacuum.  
   
   
       5 . The method as set forth in  claim 1 , characterized by a coating apparatus that is displaceable along an axis of the roller and that includes an application blade connected to a reservoir and at least one wiping blade trailing behind the application blade.  
   
   
       6 . The method as set forth in  claim 5 , characterized in that the wiping blade cooperates with an overflow.  
   
   
       7 . The method as set forth in  claim 5 , characterized in that the wiping blade moves away from the roller in a direction counter to its direction of movement.  
   
   
       8 . The method as set forth in  claim 1 , characterized by a coating apparatus that is displaceable along an axis of the roller and that includes an application blade connected to a reservoir and at least one smoothing blade trailing behind the application blade.  
   
   
       9 . The method as set forth in  claim 8 , characterized in that the smoothing blade is movable independently of the application blade.  
   
   
       10 . The method as set forth in  claim 5 , characterized in that the application blade is limited by at least one collar that, commencing at the application blade and at the reservoir, forms a partial grip around the roller.  
   
   
       11 . The method as set forth in  claim 1 , characterized in that a head is attached at least to one side of the roller first, that both the head and the roller are coated next and that the head is removed thereafter.  
   
   
       12 . The method as set forth in  claim 11 , characterized in that the coating is applied in spirals.  
   
   
       13 . A roller with a coating comprised of plastic material, characterized in that the surface of the coating has less than 50 pores per m 2 .  
   
   
       14 . The roller as set forth in  claim 13 , characterized in that the surface of the coating has less than 10 pores per m 2 .  
   
   
       15 . The roller as set forth in  claim 13 , characterized in that the coating comprises a plastic matrix in which hard material particles are embedded.  
   
   
       16 . The roller as set forth in  claim 15 , characterized in that the hard material particles include diamond dust particles.  
   
   
       17 . The roller as set forth in  claim 15 , characterized in that the hard material particles include cubic boron nitride particles.  
   
   
       18 . The roller as set forth in  claim 13 , characterized in that the coating corresponds on at least one side, as far as its average quality is concerned, to the average quality of the remainder of the coating.  
   
   
       19 . The roller as set forth in  claim 18 , characterized in that the coating has a basic structure spirally wound about the roller.