Metallurgical apparatus – Means for holding or supporting work – Receptacle
Patent
1992-09-25
1994-08-02
Kastler, Scott
Metallurgical apparatus
Means for holding or supporting work
Receptacle
266286, 432262, 432265, C21B 300
Patent
active
053338448
ABSTRACT:
A multi-piece crucible for high temperature applications comprises a tubular side wall member having a lip on the inside surface and a bottom member or members forming a container for containing a melt of a material during a high temperature melt-casting operations. The multi-piece design prevents cracking of the crucible or leakage of the melt from the crucible during the melt-casting operation. The lip of the tubular member supports the bottom member. The contacting surfaces where the lip of the tubular side wall member contacts the bottom member of the multi-piece crucible contains a ceramic sealing material. The ceramic sealing material forms a seal sufficient to prevent the melt of the material from leaking out of the multi-piece crucible during the melt-casting process. The multi-piece crucible is made of a material which is chemically inert to the melt and has structural integrity at the melting point temperature of the melt, or of a material coated with such a material.
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Holcombe Cressie E.
Pfeiler William A.
Adams Harold W.
Ericson Ivan L.
Kastler Scott
Martin Marietta Energy Systems Inc.
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