Process for the production of molten pig iron and plant for carrying out the process
CA 1338125 C · Owner: Deutsche Voest-Alpine Industrieanlagenbau G.M.B.H. · Inventors: Kepplinger, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To produce molten pig iron by melt-reduction of iron ores of various grain sizes containing a fraction A including grain sizes to which diameters of less than 0.2 mm correspond, by pre-reducing the ore by reducing gas completely reducing the pre-reduced material and smelting it to molten pig iron in a melter gasifier the pre-reduced ore, fraction A is separated from a fraction B including larger grain-size particles by classification by means of reducinggas and the two fractions A and B are completely reduced separately and fed to the melting zone of the melter gasifier. A plant for carrying out the process according to the invention consists of a melter gasifier and a reduction cyclone, a …
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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 March 12, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2013.
- 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.