PACKAGING UNIT FOR CONTINUOUSLY PRODUCING SEALED PACKAGES, CONTAINING POURABLE FOOD PRODUCTS, FROM A TUBE OF PACKAGING MATERIAL

摘要

A packaging unit (1) for continuously producing aseptic sealed packages (2), containing a pourable food product, from a tube (14) of packaging material filled with the food product; the unit (1) has a first and second chain conveyor (10, 11) respectively having a number of jaws (12) and a number of counter-jaws (13), which interact with and grip the tube (14) to heat-seal the tube at successive cross sections by means of induction heating elements (29) on the jaws (12); and each counter-jaw (13) has a push bar (35) fitted to a main body (20) of the counter-jaw via the interposition of springs (75) defining the gripping pressure exerted on the packaging material.