Supply of charge material to shaft furnaces
CA 1064699 A · Owner: S.A. Des Anciens Etablissements Paul Wurth · Inventors: Engel, Aloyse; Mahr, Rene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The service life of the components of a bell-less shaft furnace charging installation is enhanced by controlling the trajectory of charge material delivered thereto to obtain an essentially entirely vertical discharge from a discharge funnel through a feed channel to the furnace. Also erosion of the, wall of the discharge funnel is minimized by creating an annular build up of charge material about the discharge end of the funnel the material build up extending along the funnel wall to at least the impact region of freely falling charge material delivered thereto.
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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 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.