Patents Assigned to Huhtamaki Forcheim Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG
  • Process for bonding several layers of plastic film
    Patent number: 7022197
    Abstract: A process for bonding several layers of plastic film, particularly plastic bags, into a block, where it is supposed to be possible to remove the plastic films or plastic bags form the block individually; the plastic films or plastic bags are bonded together in an edge strip by means of ultrasonic welding.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: April 4, 2006
    Assignee: Huhtamaki Forcheim Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG
    Inventor: Stefan Sitzmann