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:
Sep. 28, 1976
Filed:
Jun. 08, 1971
Applicant:
Inventor:
Heinrich Zoller, Benken, CH;
Assignee:
Swiss Aluminium Ltd., Chippis, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
428 35 ; 75144 ; 428421 ; 428463 ; 428472 ;
Abstract
A method of production of cooking pans and the like, using an aluminum base alloy containing principally 1.2 to 2.3 % copper, 0.3 to 1.2 % nickel and other elements within prescribed ranges, the metal articles made of this alloy being provided with a good adherent coating of enamel directly applied on this metal (e.g. on the outside) and/or of other non-metallic material such as polytetrafluorethylene (e.g. on the inside) and these metal articles showing good thermal resistance at service temperatures.