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. 31, 1987
Filed:
Nov. 27, 1985
Applicant:
Inventors:
Debasis Bose, Piscataway, NJ (US);
Howard H Liebermann, Succasunna, NJ (US);
Assignee:
Allied Corporation, Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
428606 ; 75251 ; 420563 ; 420566 ; 420570 ;
Abstract
A lead based, tin free alloy is modified by adding thereto about 0.5 to 4 weight percent of tin. The alloy is rapidly solidified by forming a melt thereof containing the tin addition and quenching the melt on a moving chill surface at a quenching rate of at least about 10.sup.5 .degree. C./sec. Addition of the tin inhibits formation of lead oxide film in the rapidly solidified alloy and substantially increases the storage life thereof.