B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/10 (2006.01) B65D 65/40 (2006.01)
Patent
CA 2679291
The present invention relates to a process for making a laminate comprising paperboard and plastic film, and a non-aqueous adhesive layer between the paperboard and the plastic film, the process comprising the steps of: (a) surface oxidation treatment of at least one side of the plastic film; and (b) extrusion laminating the plastic film to the paperboard; wherein the non-aqueous adhesive layer is applied by extrusion between the plastic film and the paperboard to form the laminate, and wherein the process further comprises the step of printing inks onto the surface oxidation treated surface of the plastic film either before or after the extrusion lamination step; and to a process for making a carton, whereby the carton is erected from a blank which is formed from the laminate.
la présente convention concerne un processus de fabrication de laminé comprenant un carton et un film de plastique, et une couche adhésive non aqueuse entre le carton et le film de plastique. Ce processus comprend les étapes suivantes : (a) traitement d'oxydation de surface d'au moins un côté du film plastique, et (b) lamination par extrusion du film plastique sur le carton, la couche adhésive non aqueuse étant appliquée par extrusion entre le film plastique et le carton de façon à former le laminé et, le processus comprend aussi l'étape d'impression des encres sur la surface traitée par oxydation de surface du film plastique que ce soit avant ou après l'étape de lamination par extrusion, et un processus de fabrication de boîte pliante, cette boîte pliante étant obtenue à partir d'une ébauche qui est formée à partir du laminé.
Barakat Mohammed Ali
Beck Wolfram
Rogers Neil John
The Procter & Gamble Company
Torys Llp
LandOfFree
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