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:
Jan. 05, 2010
Filed:
Mar. 22, 2005
Ebi Shokri, Vallentuna, SE;
Roland Palmquist, Åkarp, SE;
Reinhard Kupfer, Mainz, DE;
Renato Cetrelli, Lund, SE;
Ebi Shokri, Vallentuna, SE;
Roland Palmquist, Åkarp, SE;
Reinhard Kupfer, Mainz, DE;
Renato Cetrelli, Lund, SE;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
The invention relates to a counter element () being adapted to apply a pressure to a first portion of a packaging material in association with heating of the packaging material in order to seal the first portion of the packaging material to a second portion of the packaging material. The element () being provided with an abutment surface () adapted to at least abut said first portion of the packaging material. The abutment surface () is provided with a plurality of indentations () adapted to entrap fluid or gas present in the vicinity of the abutment surface () and the first portion of the packaging material. The inventions also relates to a method of providing a counter element () as described above.