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. 24, 1993
Filed:
Jun. 17, 1992
Applicant:
Inventor:
Peter J Heyes, Wantage, GB;
Assignee:
CMB Foodcan plc, Worcester, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156243 ; 15624411 ; 15624423 ; 15624424 ; 15624427 ; 156498 ; 156500 ; 118 69 ; 118400 ; 118405 ; 118410 ; 118423 ; 118602 ;
Abstract
A process and apparatus for producing a laminate of metal and a polymeric film such as polypropylene bonded to a metal substrate such as steel or aluminum strip, preferably electrolytically chromium coated steel for making can ends, comprises laminating a polypropylene film to the metal and subjecting the film to a temperature above its melting point, and then uniformly and rapidly cooling the laminate to a temperature substantially below the melting point of the polypropylene by flooding the polypropylene coated surface of the laminate with cold liquid, e.g., water at room temperature.