Packaging laminate, creasing roller,and a layer for use as a packaging laminate

Abstract

The present disclosure describes a packaging laminate where at least one of the material layers included in the laminate includes magnetisable particles. Further, a roller is disclosed which includes means for applying crease line patterns on a packaging laminate and means for applying magnetic fields for magnetising magnetisable particles in the packaging laminate. Finally, a layer is also described for use for a packaging laminate, the layer including magnetisable particles.

1 . A packaging laminate, wherein at least one of the material layers included in the laminate comprises magnetisable particles.  
   
   
       2 . The packaging laminate as claimed in  claim 1 , which includes a layer with a basic matrix of plastic, said magnetisable particles being admixed in said basic matrix.  
   
   
       3 . The packaging laminate as claimed in  claim 2 , wherein said basic matrix is a thermoplastic, preferably a polyolefin plastic.  
   
   
       4 . The packaging laminate as claimed in  claim 1 , wherein said particles are metallic.  
   
   
       5 . The packaging laminate as claimed in  claim 1 , wherein said particles comprise at least 0.0001 weight percent of the layer which includes magnetisable particles.  
   
   
       6 . A roller including means for applying crease line patterns to a packaging laminate, wherein it further includes means for applying magnetic fields for magnetising magnetisable particles in the packaging laminate.  
   
   
       7 . A layer for use for a packaging laminate, wherein it includes magnetisable particles.  
   
   
       8 . A layer for use for a label for a package, wherein it includes magnetisable particles.  
   
   
       9 . An apparatus for carrying out a working operation on a laminate, comprising means for carrying out said working operation, wherein the apparatus further includes means for applying a magnetic field for magnetising magnetisable particles in the laminate.