Metallurgical apparatus – Process – Plugging or tapping
Reexamination Certificate
2005-01-11
2005-01-11
Kastler, Scott (Department: 1742)
Metallurgical apparatus
Process
Plugging or tapping
C266S239000, C222S595000
Reexamination Certificate
active
06841120
ABSTRACT:
An apparatus for dispensing a molten material from a reservoir of molten material includes a dispensing chamber in communication with the reservoir and a first valve adapted to regulate communication of the dispensing chamber with the reservoir. A riser communicates with the dispensing chamber for dispensing the molten material, and a second valve is adapted to regulate communication of the riser with the dispensing chamber. Also disclosed is a method for reducing the inclusion of oxides in a casting of a molten metal.
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Campbell John
Grassi John R.
Alotech Ltd. LLC
Fay Sharpe Fagan Minnich & McKee LLP
Kastler Scott
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