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:
Mar. 15, 1988
Filed:
Aug. 22, 1986
Applicant:
Inventor:
Charles G Purnell, Wantage, GB;
Assignee:
BNF Metals Technology Centre, Oxon, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ; C22F / ;
U.S. Cl.
CPC ...
148 / ; 148441 ; 420516 ; 420902 ;
Abstract
A zinc/aluminum alloy feedstock containing 18-30% by weight Al, 0.003-0.2% by wt. Mg, 0.5-2.5% by wt. Cu, 0.02-0.5% by wt. Fe, 0-0.1% by wt. Si, Zn balance (including any impurities) is capable of achieving high plasticity at temperatures of 240.degree. C. or above after being subjected to a multistage heat treatment including an extrusion step.