C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 34/12 (2006.01) B30B 9/12 (2006.01) B30B 9/14 (2006.01) C22B 3/02 (2006.01) C22B 5/04 (2006.01)
Patent
CA 2497997
A transfer mechanism between a first vessel containing a slurry of liquid and solids and a second vessel under vacuum. A housing is in communication with the first and second vessels and contains a screw in which the volume between adjacent screw threads and the housing diminishes between the first and the second vessels to form a plug sealing the second vessel from the first vessel. A method of forming the seal is also disclosed. The slurry typically may contain liquid alkaki metal, titanium metal particles and halide salt particles such as obtained in the production of titanium metal by reduction of Ti halide with alkali metal.
La présente invention concerne un mécanisme de transfert entre une première enceinte contenant une boue de liquide et de solides, et une seconde enceinte sous vide. Un boîtier est en communication avec la première et la seconde enceinte et contient une vis dans laquelle le volume compris entre les filets adjacents de la vis et le boîtier diminue entre la première et la seconde enceinte pour former un système d'obturation qui isole la seconde enceinte de la première. L'invention a également pour objet un procédé pour constituer ledit système d'obturation. La boue peut en général contenir du métal alcalin liquide, des particules de métal de titane et des particules de sel d'halogénure, tels qu'obtenus lors de la production de métal de titane par réduction d'halogénure de Ti avec un métal alcalin.
Anderson Richard
Armstrong Donn
Jacobsen Lance
International Titanium Powder Llc.
Osler Hoskin & Harcourt Llp
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