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. 25, 1981
Filed:
Dec. 21, 1978
Applicant:
Inventors:
Andre E Deruyttere, Louvain, BE;
Lucas J Delaey, Bertem, BE;
Etienne A Aernoudt, Bertem, BE;
Josef R Roos, Kessel-Lo, BE;
Assignee:
Leuven Research and Development VZW, Louvain, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148 / ; 75247 ; 75950 ; 148 / ;
Abstract
Solid bodies of copper-zinc-aluminium alloys having beta-crystal structure are manufactured by a powder-metallurgic process. Starting with a powder comprising 10-40% by weight of Zn, 1-12% by weight of Al and the balance Cu, the solid bodies are formed by means of a cold compacting step, an optional hot compacting step and a hot extrusion step.