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. 19, 1981
Filed:
Apr. 02, 1979
Applicant:
Inventors:
Lars-Eric Piltz, Dalby, SE;
Bo T Quist, Bjarred, SE;
Folke Kiellarson, Barseback, SE;
Siwer Mansson, Lund, SE;
Bengt Nilsson, Sodra Sandby, SE;
Assignee:
AB Akerlund & Rausing, , SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
15624413 ; 15624414 ; 15624418 ; 15624419 ; 264514 ; 264515 ; 264524 ; 264531 ; 264563 ; 264564 ; 264566 ; 264568 ; 264573 ; 220 67 ; 229 43 ; 229 / ;
Abstract
A method for manufacturing retortable cans is taught which includes the step of cable extruding a tube of plastic. Subsequently, a substantially gas-tight material is laminated to the outside of the tube and a plastic layer is laminated to the layer of substantially gas-tight material. Preferably, the gas-tight material comprises a metallic foil.