Flotation apparatus with mechanical agitation
CA 1066820 A · Owner: Societe Miniere Et Metallurgique De Penarroya · Inventors: Casalis, Jean-Arnaud; Motte, Raymond; Teil, Yves
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An agitator for use in flotation of the type comprising two layers of bars which are disposed symmetrically on the generatrices of two opposite, coaxial truncated cones and which are mounted at their ends on circular bases at least one base, being perforated to allow passage of flotation medium and the bases being connected by a hollow central hub of which the upper portion is adapted to receive pressurized gas and the lower portion is provided with at least one orifice for discharging the gas which agitator also includes a solid, downwardly open frusto-, conical skirt which is situated between the bars and the central hub, is coaxial with the hub and is attached at its upper end to the hub.
Read the whole patent
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 November 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 20, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
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.