Snow gliding board with outer face having a transparent protective film and production method

Abstract

A snow gliding board ( 1 ) comprises, in particular, an outer face ( 6 ) formed by a decorative and protective upper assembly, said decorative and protective upper assembly being covered with at least one varnish film on at least its outer surface ( 6 ). The varnish film or films form a set of bosses ( 21, 22 ) protruding from some or all of the outer face ( 6 ) of the snow gliding board ( 1 ).

1 . A snow gliding board comprising, in particular, an outer face ( 6 ) formed by a decorative and protective upper assembly, said decorative and protective upper assembly being covered with at least one varnish film on at least its outer surface, wherein the varnish film or films ( 19 ) form a set of bosses ( 21 ,  22 ) protruding from some or all of the outer face ( 6 ) of the snow gliding board ( 1 ).  
     
     
         2 . The gliding board as claimed in  claim 1 , wherein the set of bosses form a visible relief decoration on the outer face ( 6 ) of the snow gliding board ( 1 ), having an appearance of drops ( 22 ) or streaks ( 21 ), giving an impression that a liquid having been sprayed and/or having flowed onto said outer face ( 6 ) of said snow gliding board ( 1 ) has frozen.  
     
     
         3 . The snow gliding board as claimed in  claim 1  or  2 , wherein the bosses ( 21 ,  22 ) belonging to the set of bosses are distributed randomly over some or all of the outer face ( 6 ) of the snow gliding board ( 1 ).  
     
     
         4 . The snow gliding board as claimed in one of the preceding claims, wherein the bosses ( 21 ,  22 ) belonging to the set of bosses have a height substantially lying between 0.2 mm and 1.2 mm, preferably substantially equal to 0.5 mm.  
     
     
         5 . The snow gliding board as claimed in one of the preceding claims, wherein the set of bosses has a number of bosses ( 21 ,  22 ) substantially lying between 200/dm 2  and 2000/dm 2 .  
     
     
         6 . The snow gliding board as claimed in one of the preceding claims, wherein the varnish film or films ( 14 ,  19 ) covering the decorative and protective upper assembly are transparent or translucent, so as to allow the decoration of said decorative and protective upper assembly to be seen.  
     
     
         7 . A method for producing a snow gliding board ( 1 ) comprising, in particular, an outer face ( 6 ) formed by a decorative and protective upper assembly, by molding or infection molding, which furthermore comprises the final steps of: 
 preparing (I) the outer surface ( 9 ) of the decorative and protective upper assembly;    applying (II) a regular first film ( 14 ) of a varnish based on acrylate monomers and oligomers that cures under UV radiation, having a dry extract substantially lying between 90 and 100, onto the prepared outer surface ( 12 ) of the decorative and protective upper assembly;    curing (III) the first film ( 14 ) under UV radiation with a radiated energy substantially lying between 0.5 J/cm 2  and 1.5 J/cm 2 ;    applying (IV) a second film ( 19 ), with a thickness substantially lying between 20 μm and 120 μm, of a varnish based on acrylate monomers and oligomers that cures under UV radiation, having a dry extract substantially lying between 90 and 100, onto the cured first film by spraying ( 17 );    curing (V) the second film ( 19 ) under UV radiation with a radiated energy substantially lying between 1.5 J/cm 2  and 2 J/cm 2 ;    so as to obtain a set of bosses ( 21 ,  22 ) protruding from some or all of the outer face ( 6 ) of the snow gliding board ( 1 ).    
     
     
         8 . The method as claimed in  claim 7 , wherein the step (I) of preparing the outer surface ( 9 ) of the decorative and protective upper assembly is carried out by a graining or sanding operation.  
     
     
         9 . The method as claimed in  claim 7  or  8 , wherein the varnish based on acrylate monomers and oligomers that cures under UV radiation, of the first film ( 14 ) and of the second film ( 19 ), is a varnish selected from the group comprising, individually or as a mixture, urethane-acrylate, epoxy-acrylate, acrylic-acrylate and polyester-acrylate varnishes.  
     
     
         10 . The method as claimed in one of  claims 7  to  9 , wherein the thickness of the second film ( 19 ) is substantially equal to 40 μm.  
     
     
         11 . The method as claimed in one of  claims 7  to  10 , wherein a step of holding the snow gliding board ( 1 ) vertical is inserted between the step (IV) of applying the second film ( 19 ) and the step (V) of curing the second film ( 19 ) under UV radiation, so as to obtain bosses in the form of streaks over substantially the entire length of the gliding board.  
     
     
         12 . The method as claimed in one of  claims 7  to  11 , wherein a step of decorating the outer surface of the decorative and protective upper assembly is inserted between the step (I) of preparing said outer surface of the decorative and protective upper assembly and the step (II) of applying the first film ( 14 ).