SIMULTANEOUS MULTI-ALLOY CASTING

Application 480/KOLNP/2004 published 2006-09-01, filed 2004-04-12
A method of casting a multi-layered metal ingot including the steps of delivering a metallic divider (14) member into a direct chill mold (4), 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 (10) which includes the divider metal layer disposed there between. (FIG. - 1)

Applicant

ALCOA INC
ALCAO CORPORATE CENTER 201 ISABELLA STREET PITTSBURGH PA 15212-5858 USA

Inventor

1. KILMER RAYMOND J 2. KIRBY JAMES L

International Info

Classification: B22D 11/00
Publication Number: WO 02/035305 A1
Application Date: 2002-10-22

Priority Information

10/004,041 US 2001-10-23