Sealing member that heat seals the packaging material to produce a sealed package of food that can be poured into a tube made of the packaging material

摘要

A sealing element (15) for heat sealing packaging material for producing sealed packages (3) of food products which are pourable within a tube (2) of packaging material; sealing element (15) comprises heating means (20, 21) adapted to heat-seal the packaging material at spaced cross sections of tube (2) so as to form a plurality of sealed packages (3), and a groove (60) which may be engaged by a cutting element (62) carried by a counter sealing element (16) during a cutting operation in which a sealed package (3) is separated from tube (2); sealing element (15) comprises at least a slot (70) which extends between groove (60) and a first outer wall (53, 54) of sealing element (15).