Patent ID: 6260333
Filing Date: 2001-07-17
Classification: B31B

Abstract:
A pressure pad for sealing a base of a carton made from paperboard, the pressure pad comprising:a top surface being generally flat and defining an intermediate plane of the pressure pad, the top surface of the pressure pad having a plurality of components extending from the top surface of the pressure pad and lying in a first plane, and the pressure pad having a plurality of components recessed into the top surface of the pressure pad and lying in a third plane, and at least the plurality of components which lie in the first and intermediate planes facilitate sealing of the base of the carton made from paperboard;the pressure pad having a pair of opposed chevrons being located in a central portion of the top surface of the pressure pad, a set of parallel arranged railroad tracks, for engaging with a glue panel of the paperboard, being spaced from the pair of chevrons and located in a quadrant of the pressure pad, and a plurality of dam pits located to facilitate sealing of the base of the carton made from paperboard, and the pair of chevrons, the set of railroad tracks and the plurality of dam pits all extend from the top surface of the pressure pad and lie in the first plane; anda plurality of recesses formed in a top surface of the pressure pad, and the plurality of recesses each having a planar surface lying in the third plane and the plurality recesses formed in a top surface of the pressure pad provide areas which relieve pressure and prevent burnout during sealing of the base of the carton made from paperboard.