Patent ID: 7398631
Filing Date: 2008-07-15
Classification: B65D,Y10S

Abstract:
1. A method for applying a heat-shrink patch to a carton for forming a shape of the carton, the carton including a top panel, a bottom panel, at least one side panel extending between the top panel and the bottom panel and a movable section that is movable between a first position and a second position, said method comprising: providing a heat-shrink patch in a pre-shrunk configuration; coupling the heat-shrink patch in the pre-shrunk configuration to at least a portion of an interior surface of a blank of sheet material including at least a portion of the movable section; forming the carton from the blank of sheet material wherein the heat-shrink patch in the pre-shrunk configuration is coupled to an interior surface of the formed carton; and moving the movable section from the first position to the second position to form the shape of the carton by heating the heat-shrink patch to shrink the heat-shrink patch to a shrunk configuration.