Patent ID: 6632163
Filing Date: 2003-10-14
Classification: B31B

Abstract:
A method for manufacturing a carton comprising the steps ofserially feeding a supply of paperboard carton blanks through a work station, each said blank having a paperboard substrate, a glue panel and a coating layer covering at least a portion of said glue panel, directing a laser beam onto each of said carton blanks to remove at least a portion of said coating layer and expose a portion of said paperboard substrate on each of said the glue panels, applying glue from a gluing module to that portion of each of said glue panels from which said coating layer has been removed by said laser beam, allowing said glue to impregnate and bond with said paperboard substrate, folding each carton blank into a configuration where said glue panel is glued to another panel of said carton blank, and folding said carton blanks into a flattened configuration whereby they can be shipped to a user for erection into a final three-dimensional product-holding configuration.