Abstract: A method for inducing oxygen scavenging within paperboard package structures using ultraviolet light to activate the scavenging material during the filling process or prior to the filling process for gable-type paperboard packages. An ultraviolet light source is placed in close proximity to a gable-top blank or along the horizontal chain or line following bottom formation and prior to filling a carton with product.
Type:
Grant
Filed:
August 2, 2001
Date of Patent:
February 10, 2004
Assignee:
International Paper Company
Inventors:
Alexander Craig Bushman, Gregory J. Castle, Richard D. Pastor, Tricia S. Reighard