Reducing hoop stress in silos
CA 1237912 A · Owner: South Australian Co-Operative Bulk Handling Limited · Inventors: Johinke, Bruce L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures in the silo base allowing entry of granular material into the grain tube and a restrictor below the apertures restricting the material flow so that when the silo cell first discharges the material, all of that discharge is through the upper ends of the tube, downwardly through the tube and outwardly from the silo cell through valve means beyond the lower and of the tube and restrictor.
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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 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.