Packaging unit for continuously producing sealed packages for pourable food products

摘要

A packaging unit (1) for continuously producing aseptic sealed packages (2) of a pourable food product from a tube (3) of packaging material filled with the food product; the unit (1) has a first and a second forming chain (10, 11) in turn having, respectively, a number of jaws (12) and counterjaws (13) for pressure gripping and sealing the tube (3) at respective transverse bands (33); and the counterjaws (13) have respective cutters (50) for detaching the packages (2) from the tube (3), and which are activated by fixed rollers (74) via respective transmission members (63) hinged to the counterjaws (13) and cooperating with tappet members (53) integral with the respective cutters (50).