Patent ID: 6048295
Filing Date: 2000-04-11
Classification: B31B,B65D

Abstract:
A method in the forming of packaging containers which include a sealing fin in which a packaging material is sealed inside-to-inside, and projecting, double-walled corner flaps which are flat-laid, folded down and sealed to an outside surface of the packaging container, said method comprising:providing a packaging material blank having a sealing fin which extends both over one side of the packaging container and over a corner flap prior to a folding down of the corner flap;forming a deformation in said sealing fin by laterally displacing at least a portion of the sealing fin in relation to a further portion adjacent to the at least one portion of the sealing fin while said packaging container blank is in a flat, unfolded state, and thereafter, folding the packaging material blank to form the packaging container.