US 11,851,730 B2
Apparatus and method for production of high purify copper-based alloys
Timothy Frederick Strelitz, Long Beach, CA (US)
Assigned to DOGGONE INVESTMENT CO. LLC, Dover, DE (US)
Filed by Doggone Investment Co. LLC, Los Angeles, CA (US)
Filed on Apr. 4, 2023, as Appl. No. 18/295,700.
Claims priority of provisional application 63/387,076, filed on Dec. 12, 2022.
Claims priority of provisional application 63/362,509, filed on Apr. 5, 2022.
Prior Publication US 2023/0349026 A1, Nov. 2, 2023
Int. Cl. C22C 1/02 (2006.01); C22C 9/00 (2006.01); F27B 14/04 (2006.01); F27B 14/06 (2006.01); F27B 14/08 (2006.01); F27D 7/06 (2006.01)
CPC C22C 1/02 (2013.01) [C22C 9/00 (2013.01); F27B 14/04 (2013.01); F27B 14/061 (2013.01); F27B 2014/0843 (2013.01); F27D 2007/063 (2013.01)] 30 Claims
OG exemplary drawing
 
1. An apparatus for manufacturing a copper-based alloy, the apparatus comprising:
a melting furnace configured to form a molten copper-based alloy comprising at least 50 weight % copper; and
a diffusive lining formed on an inner surface of the melting furnace and comprising an aluminum-silicate ceramic having a porous structure adapted for bubbling an inert gas through the molten copper-based alloy.