Centrifugal jig
CA 1289115 C · Owner: Kelsey, Christopher George · Inventors: Kelsey, Christopher George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A centrifugal jig of the type in which a feed slurry is introduced into a container (40) rotating about a vertical axis within a region (51) radially bounded by a screen (52) provided with ragging on its inner surface, water in the hutch region (54) beyond the screen being pulsed repetitively to dilate the ragging, in which pulsion of the hutch water is achieved at an interface such as a diaphragm (57) or an air/water interface (101) which is substantially wholly located beyond the projected free surface of the feed material. The screen (52) is substantially parabolic.
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 September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2008.
- 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.