Patent ID: 8585857
Filing Date: 2013-11-19
Classification: B29C,B65H,Y10T

Abstract:
1. A method for butt joining ends of a flexible laminated band (W) destined for product packaging having at least the side destined to be disposed inside the package which is heat-sealing, said band (W) being unwound from a parent reel ( 10 ), longitudinally cut into strips (W 1 , W 2 ) and re-wound in rolls or reels ( 20 ), the method comprising the steps of: overlaying a tail edge (L performing a transverse cut across the bands along a cutting line (R) in the area where the two edges (L eliminating the ends (E applying along said cutting line (R) and said heat-sealing side of the band (W) a strip (S) having two surfaces of heat-sealing material, the surface of the strip facing the heat sealing side of band (W) being an inner surface, and the surface of the strip remaining exposed being an exterior surface, said strip comprising a layer of barrier material, and heat sealing the heat-sealing strip (S) to the heat-sealing side of the band (W).