Spiral separator
CA 1292445 C · Owner: Mineral Deposits Limited · Inventors: Giffard, Philip John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A splitter assembly for a spiral separator comprises a blade (1) having an upstream working edge (11) and has a rail (3) mounted above the sluice floor (2) to which blade (1) is slideably mounted by means of arm (10) which engages rail (3). The lower end of working edge (11) is in contact with floor (2) and the position of contact is adjustable along a path extending between a radially outer and radially inner part of floor (2). In preferred embodiments splitter arm (10) is flexible and working edge 11 moves in a path which is curvilinear with respect to a vertical and a horizontal plane.
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 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 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.