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. 24, 1988
Filed:
Jan. 22, 1986
Applicant:
Inventor:
Jorgen Niske, Lund, SE;
Assignee:
Tetra Pak International AB, Lund, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
229 / ; 229132 ;
Abstract
A blank for packing containers having a carrier layer of paper or cardboard and a layer of thermoplastic-coated aluminum foil which is used for generating by means of induction devices the heat required for sealing overlapping plastic layers of the blank in a Z-shaped configuration wherein the aluminum foil layer is removed locally along the sealing regions in outer layers but is kept intact in the inner layer.