Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Means to melt and separate metal from mass of diverse...
Reexamination Certificate
2011-05-03
2011-05-03
Kastler, Scott (Department: 1733)
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
Means to melt and separate metal from mass of diverse...
C266S227000
Reexamination Certificate
active
07935302
ABSTRACT:
An automatic dross processing system has a pivotably-mounted reaction vessel and a vertically movable motor and impeller. A microprocessor controls the operation of the motor and a series of actuators that move the motor vertically, move a probe that removes a plug to drain collected metal from the reaction vessel, and move the reaction vessel between a loading-and-processing position and a dumping position. The microprocessor coordinates the actions of these elements to complete a dross processing cycle to recover metal from a dross without requiring the attention of an operator throughout the process. The reaction vessel can have an inner shell and an outer shell that are bolted together with a gap therebetween to accommodate insulation, which can include a felt overlying one or more pieces of rigid material. A drain tube can be attached to the inner shell by an accordion-like structure to reduce thermal stresses in service.
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patent: 6464929 (2002-10-01), Groteke
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Kastler Scott
Q. C. Designs, Inc.
Semprebon Jeffrey E.
Weins Michael J.
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