Strainer assembly for pulp and the like
CA 1232575 A · Owner: Celleco Ab · Inventors: Fjallstrom, Roland O.A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An assembly for straining pulp suspensions and the like comprises a strainer drum mounted in a strainer housing. One or more devices are provided, in order to remove impurities from the fibers which devices are, preferably designed as an impact plate located in the strainer housing in the flow path, so that the particles in the stream are subjected in part to, impact action, and so that the stream is subjected to variations in velocity.
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 February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
- 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.