Device for feeding material into a vertical screw conveyor
CA 1308053 C · Owner: George, Bengt-Goran · Inventors: George, Bengt-Goran
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a vertical screw conveyor with a feeder at the lower end of the conveyor casing. The feeder is formed by a short screw conveyor, which is arranged inclined to one side of the vertical conveyor. Between an opening in the conveyor casing and the feeder casing there is a passage through which the material is thrown from the feeder into the conveyor.
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 September 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 2009.
- 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.