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:
Aug. 10, 1993
Filed:
Nov. 25, 1992
Applicant:
Inventors:
Rene Layre, Grenoble, FR;
Serge Terroni, Les Abrets, FR;
Assignee:
Pechiney Recherche, Courbevoie, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
220266 ; 229205 ; 229237 ;
Abstract
The invention relates to lids of easy-opening cans for perishable foodstuffs, and a method of obtaining them. These lids are composed of a metal foil and a plastics film, the metal foil having a mechanical non-traversing pre-incision corresponding to a tearing line and the thermo-shrinkable plastics film having a continuous depression situated opposite the mechanical pre-incision. The pre-incision and the depression, obtained by the action of heat, makes it possible to avoid the defects known as 'feathering' and the plastics film is less expensive and more resistant to corrosion than is conventional lacquer.