Stratification division and selective recombination of ore slurry streams
CA 1107689 A · Owner: Bhp Titanium Minerals Pty Ltd · Inventors: Giffard, Philip J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus is provided for the wet gravity concentration of particulate ores that will reduce the proportion of material previously requiring re-treatment for a predetermined degree of concentration. A stream of ore pulp consisting of a mixture of concentrate particles and lighter tailing particles in water is stratified so that at least a portion of the concentrate particles become located at or near the bottom of the stream. As a result a concentrate enriched stratum is located at the bottom of the stream with a concentrate depleted stratum at the top of the stream and an intermediate stratum of approximately feed grade material between the two. The stream is divided to remove …
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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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.