Filter

Details Filter Filter

2011-07-12

2011-07-12

King, Roy (Department: 1733)

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

Means to melt and separate metal from mass of diverse...

C266S227000, C266S229000, C266S230000, C266S231000, C266S238000, C210S364000, C210S365000, C210S367000, C210S388000, C210S389000

Reexamination Certificate

active

07976772

ABSTRACT:
A filter includes a crucible, a filtering container, and a receiving tank. The crucible has a heater for heating a pre-filtered object to comprise a primary material in liquid and at least one other material in solid. The filtering container has a body, a sieve, and a press rod. The body connects with the crucible for receiving the heated pre-filtered object in a channel and provides a guide-out member; the sieve is disposed in said channel; and the press rod movably received in the channel for pressing the primary material of the pre-filtered object to flow through the sieve and to the guide-out member. The receiving tank has an entrance facing the guide-out member of the filtering container to receive the filtered primary material.

REFERENCES:
patent: 4995972 (1991-02-01), Kramer et al.
patent: 5755889 (1998-05-01), Johnson
patent: 2006/0199125 (2006-09-01), Evans
patent: 2007/0272058 (2007-11-01), Orth et al.
patent: 09-220413 (1997-08-01), None
patent: 176994 (1992-01-01), None

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