Conveyor for granular material
CA 1046006 A · Owner: Metsa-Ketela, Jorma · Inventors: Metsa-Ketela, Jorma
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A comveyor for granular material includes an elongated hollow channel means for receiving granular material which is to be conveyed along the interior of this channel means. A cover means covers the channel means. A rotary screw means extends longitudinally along the interior of the channel means for conveying granular materials therein longitudinally along the interior of the channel means. This rotary screw means includes an elongated shaft extending longitudinally along the interior of the channel means and a screw carried by the shaft. At least one bearing means is situated in the channel means at a portion of the shaft which is situated between opposed ends thereof, so as to support …
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 January 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 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.