The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2005
Filed:
Jan. 31, 2002
Gyula Balla, Malmö, SE;
Gyula Balla, Malmö, SE;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
An apparatus in the production of a package or a packaging material comprising at least one metal layer and one polymer layer, the apparatus including an inductor connectable to a high frequency current source. According to the invention, said inductor includes a core () of a ferromagnetically conductive material, the core displaying two shanks () with an air gap () between a first respective end of these shanks (), as well as an arc section () which interconnects a second respective end of the two shanks () with each other for conducting a magnetic flow () between the shanks, the arc section () displaying an electrically conductive coil () wound around same, the coil displaying connection points () for said high frequency current source ().