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:
Dec. 17, 1985
Filed:
Aug. 09, 1984
Applicant:
Inventor:
Erling I Nilsson, .ANG.karp, SE;
Assignee:
Tetra Pak Developpement SA, Pully, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428152 ; 156 85 ; 156212 ; 156221 ; 264292 ; 428 35 ; 428458 ; 428480 ; 428910 ;
Abstract
A laminate, including an aluminum foil layer and a polyester layer, has the aluminum foil layer wrinkled or contracted into a large number of wrinkles. These can be straightened out when the plastic material is stretched, without any breaking of the aluminum foil layer.