Apparatus for, and method of, purifying a melt, which, besides one or more impurities, essentially contains a light metal, in particular aluminium
CA 1325520 C · Owner: Van Wijk, Gijsbert Willem Meindert · Inventors: Van Wijk, Gijsbert Willem Meindert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Title: Apparatus for, and method of, purifying a melt which, besides one or more impurities, essentially contains a light metal, in particular aluminum, Abstract Apparatus for purifying a melt which, besides one or more impurities to be volatilized contains essential-, ly a light metal, in particular aluminum. The apparatus comprises a vacuum processing vessel, a vacuum pump one, or more conduits for supplying the melt to the vacuum processing vessel and means for spraying the melt into the vacuum processing vessel. According to the invention the vacuum processing vessel is provided with discharge means for discharging impurities expelled from the melt. The discharge means are connected to …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 28, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 2010.
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