Specialized metallurgical processes – compositions for use therei – Processes – Process control responsive to sensed condition
Reexamination Certificate
2002-11-07
2008-12-09
Kastler, Scott (Department: 1793)
Specialized metallurgical processes, compositions for use therei
Processes
Process control responsive to sensed condition
C075S678000
Reexamination Certificate
active
07462218
ABSTRACT:
A process and a device for melting aluminum where solid aluminum is melted in a furnace to form aluminum melt pool. The temperature and carbon monoxide (CO) concentration of the flue gas generated in the melting process is detected and examined for variations. Using this variation information, it is determined if aluminum oxides have formed on the surface of the aluminum melt pool and if they have, the melting process is regulated accordingly.
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patent: 2002/0031737 (2002-03-01), Von Drasek et al.
patent: 2007/0171954 (2007-07-01), Lucas et al.
patent: 0 962 540 (1998-09-01), None
patent: WO 01/33200 (2001-05-01), None
Haynes Elwood
Kastler Scott
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Survei
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