Packaging machine has heating unit comprising several heating elements which are controllable individually or in groups, and is additionally provided with heat exchanger element

摘要

The packaging machine (4) has packaging troughs (3) on which an upper sealing film web is formed in molding station (43). The film web material is heated by a heating unit (1) comprising several heating elements before reaching the molding station. The heating elements are controllable individually or in groups, and the heating unit is additionally provided with a heat exchanger element. An independent claim is included for method for heating and sealing upper sealing film web with heating element.