Patent ID: 6830425
Filing Date: 2004-12-14
Classification: B29C,B65G

Abstract:
A process for handling and stacking a plurality of thermoformed objects, which comprises the following steps:obtaining thermoformed objects each formed with at least three stacking protrusions or spacers arranged in a same pattern on the bottom of each thermoformed object, at least one stacking protrusion or spacer being located in such a way as to be out of symmetry with respect to other stacking protrusions with respect to a centre line (mâ€”m), arranging said thermoformed objects on a support template to keep them in order, rotating every other thermoformed object by a predetermined angle before or during their transfer to a stacking station, and stacking the thermoformed objects with alternate thermoformed objects rotated by said predetermined angle to obtain stacks of thermoformed objects, wherein the stacking protrusions of a thermoformed object are offset with respect to those of the next thermoformed object in each stack.