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:
Jun. 07, 1994
Filed:
Jul. 30, 1992
Applicant:
Inventors:
Peter J Heyes, Wantage, GB;
Alison M Brown, Wantage, GB;
Assignee:
CMB Foodcan plc, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B28B / ;
U.S. Cl.
CPC ...
15624424 ; 156 69 ; 15624411 ; 156282 ; 1563082 ; 1563099 ; 264145 ; 264153 ; 264163 ; 264280 ;
Abstract
A laminate and a process for making a laminate of aluminum or aluminum alloy and a polyester. The process includes forming a laminate by contacting an aluminum or aluminum alloy sheet or foil with a film of polyester at a temperature and pressure sufficient to adhere the film to the sheet or foil, reheating the laminate to a temperature above the crystalline melting point of the polyester, cooling the laminate at a cooling rate controlled to prevent crystallization of the polyester, and quenching in water such that the molecular weight of the polyester layers in the laminate is between 14,000 and 23,000.