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. 23, 1980
Filed:
Apr. 27, 1979
Applicant:
Inventors:
Paul J Bilek, Danbury, CT (US);
William A Henning, Lewiston, NY (US);
Thomas K McCluhan, North Tonawanda, NY (US);
Julian M Dong, Youngstown, NY (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
7513 / ; 75 53 ;
Abstract
A method for the production of cast nodular or ductile iron wherein molten iron having been first contacted with a graphite-spheroidizing agent is after-treated with an alloy consisting essentially of silicon, calcium, magnesium, aluminum, cerium, barium, and iron so as to reduce the formation of iron carbides or chill in the resulting cast nodular iron.