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. 05, 2008
Filed:
Dec. 22, 2003
Applicants:
Raymond J. Kilmer, Lancaster, PA (US);
James L. Kirby, Delmont, PA (US);
Inventors:
Raymond J. Kilmer, Lancaster, PA (US);
James L. Kirby, Delmont, PA (US);
Assignee:
Alcoa Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 15/20 (2006.01); B32B 15/01 (2006.01); B23K 35/22 (2006.01); B22D 19/04 (2006.01); B22D 19/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of casting a multi-layered metal ingot including the steps of delivering a metallic divider member into a direct chill mold, pouring a first molten metal into the mold on one side of the divider member, and pouring a second molten metal into the mold on the other side of the divider member, and allowing the first molten metal and the second molten metal solidify to form a metal ingot which includes the divider metal layer disposed there between.