Metallurgical apparatus – With control means responsive to sensed condition
Reexamination Certificate
2008-07-22
2008-07-22
Kastler, Scott (Department: 1793)
Metallurgical apparatus
With control means responsive to sensed condition
C266S099000, C266S225000
Reexamination Certificate
active
07402274
ABSTRACT:
A fully automated system and method for rapidly and reliably detecting the ingestion of slag within the tip of a metal making lance. The system utilizes a temperature sensor disposed adjacent to the inner surface of the inner wall of a metal making lance tip. The sensor is in communication with a control station. The control station is preferably in operative communication with a valve for shutting off gas flow to the lance and, optionally, at least one alarm, a coolant fluid shut-off valve, and any other lance operation mechanisms as may be desired or necessary when slag is detected by the sensor. The inner wall of the lance tip is also preferably formed with a slag collecting reservoir for collecting ingested slag and directing it toward the temperature sensor for quick and reliable slag detection.
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Cingle, III George
Mattich Michael T.
Rymarchyk, Jr. Nicholas M.
Archer & Greiner, P.C.
Berry Metal Company
Kastler Scott
Letchford John F.
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