Process for controlling the charging of a shaft furnace
CA 1269831 C · Owner: Breden, Emile · Inventors: Bernard, Gilbert; Lonardi, Emile; Breden, Emile
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A b s t r a c t, " Process for controlling the charging of a shaft furnace ", In a shaft furnace, comprising a distribution spout, one or more storage hoppers, each provided with a dosing device serving to regulate the flow of charging material from the hopper to the spout and a weighing system to determine the contents of the hopper and to adjust the position of the dosing device, the doing valve is opened whenever the real flow Qr is below the reference flow Qc and held in position when the real flow Qr is above the reference flow Qc .
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 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
- 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.