Method and device for dewatering of suspensions
CA 1055293 A · Owner: Kamyr Aktiebolag · Inventors: Jacobsen, Finn; Gustavsson, Lennart
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A screening method and apparatus for dewatering suspensions including at lease one movable screen, the improvement being that the filtrate under pressure, causes movement of the screen the movement acting to clear, the screen openings so that they do not become clogged and to decrease the, friction between the screen and the pulp.
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 May 29, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 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.