Method and apparatus for processing reduced iron
CA 1048275 A · Owner: Nippon Steel Corporation · Inventors: Miyasita, Satoru; Kanbara, Kenjiro; Iguchi, Masaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus for producing reduced iron in which granular iron oxide charged into a vertical furnace is reduced by reducing gas comprising mainly carbon monoxide and hydrogen, the substantial portion of the waste gas generated in the reduction process being regenerated in a recirculating system. The reduced iron which has been reduced in the vertical furnace is continuously discharged at a temperature above 500°C under the condition isolated from exterior atmosphere and received in a plurality of air tight sealable component adjusting receptacles. The reduced iron received in the receptacles is subjected to component adjustment at a temperature ranging from 700 to 1100°C by using …
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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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 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
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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.