Metal powder production apparatus

Details Metal powder production apparatus Metal powder production apparatus

2008-05-06

2008-05-06

Kastler, Scott (Department: 1793)

Metallurgical apparatus

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

Spray refining means

C075S343000

Reexamination Certificate

active

07368078

ABSTRACT:
A metal powder production apparatus includes a supply part for supplying molten metal and a nozzle provided below the supply part. The nozzle is provided with a flow path through which the molten metal supplied from the supply part can pass, the flow path having a gradually reducing inner diameter portion whose inner diameter is gradually reduced in a downward direction. The nozzle is further provided with an orifice opened at a bottom end of the flow path and adapted to inject fluid toward the flow path. The nozzle has a first member and a second member provided below the first member with a space left between the first member and the second member, wherein the orifice is defined by the first member and the second member. A clamp for restraining the orifice from being enlarged by the pressure of the fluid passing through the orifice is provided on the nozzle.

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patent: 5366204 (1994-11-01), Gigliotti
patent: 5656061 (1997-08-01), Miller
patent: 6533563 (2003-03-01), Otaigbe et al.
patent: 2155048 (1984-02-01), None
patent: 03-55522 (1991-08-01), None

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