Filter section for a rotatable filter
CA 1316836 C · Owner: Nilsson, Bjarne · Inventors: Nilsson, Bjarne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter section for a rotatable filter of the kind including a plurality of sections assembled into an annular filter disk. Each section comprises two mutually spaced plate-shaped elements which are at least partially perforated and provided with protrusions keeping a filter cloth spaced from the plate-shaped elements. The space between the plate-shaped elements is in communication with a discharge conduit for filtrate. At least one substantially radial drainage channel is arranged between the elements, this channel having communication with the outlet of the section. The space between the plate-shaped elements at the side of the channel is filled with a hardened compound. The plate-shaped …
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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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.