Liquid-cooled electrode for electric arc furnaces
CA 1106429 A · Owner: Korf-Stahl Ag · Inventors: Elsner, Emil; Kasper, Rudolf; Schwabe, William E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid-cooled electrode for electric arc furnaces having a cover secured to an electrode supporting arm and containing cooled metal elements and having a core which can be axially displaced in the cover, into which core the electrode current can be conducted by way of a current connection. The current connection is disposed above the cover while the cover, is electrically insulated from the core and the insulation includes an insulating layer between the cover and the core. In addition, a device for producing a magnetic field is provided in the lower portion of the cover.
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 August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
- 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.