Patent ID: 7607281
Filing Date: 2009-10-27
Classification: B65B

Abstract:
1. A method for manufacturing packages of products, comprising the steps of: (a) feeding a plurality of trays arranged substantially horizontally and so that cavities of said trays are directed upward and are distributed in a line along at least one advancement direction; (b) filling at least one of said trays at a time with a product and stopping said at least one of said trays at an end filling position, where filling ends, with respect to said advancement direction such that said at least one of said trays filled with the product at said end filling position remains stationary; (c) placing covering means on said at least one of said trays filled with the product at said end filling position while said at least one of said trays remains stationary; (d) temporarily rigidly coupling said covering means and said tray so as to obtain a package; wherein said covering means comprise at least one protective film and in that said placing step comprises the step of applying said film to said tray, and wherein said step of temporary rigid coupling comprises a step of heat-sealing said film to said tray, the film being of the heat-sealable type and wherein said heat-sealing step is performed by a heat sealing means at least at said end filling position, and wherein said step of temporary rigid coupling comprises a step of advancing said heat sealing means from said end filling position along said advancement direction, which is performed simultaneously with said heat-sealing step, and a step for returning said heat sealing means to said end filling position.