Patent ID: 8607535
Filing Date: 2013-12-17
Classification: B29C,B29K,B29L,B65B,B65D

Abstract:
1. A forming method for use in a packaging machine of the type where individual packages are produced from a tube of thermoplastic coated packaging laminate, comprising squeezing the tube in a flat-laid condition between two opposing sealing elements to heat the thermoplastic and obtain a first transverse seal of the tube, imparting, by way of two volume control elements arranged on opposite sides of the tube and positioned in a securing state, a predetermined shape to the tube in a first portion between the first transverse seal and a successive second transverse seal of the tube, the volume control elements also being positionable in a releasing state in which the tube is movable in relation to the volume control elements, and further comprising displacing the first transverse seal off-center in relation a longitudinal axis of the first portion of the tube in a displacement direction essentially perpendicular to the first transverse seal to enable later shaping of a corresponding final package with a wall arranged with a predetermined angle of inclination in relation to the displacement direction.