Replacement method and device for assembling and disassembling modules of an electric arc furnace
CA 2462926 A1 · Owner: Schubert, Manfred · Inventors: Schubert, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a replacement method and a device for assembling and disassembling modules of an electric arc furnace. Said method consists in lifting and pivoting the furnace cover or in only lifting it; when disassembling, it consists in removing the agent and power supply ducts as well as the instrument leads of the upper container (3) and/or of the lower container (2) and, after assembling in connecting them. The invention aims at enabling use of a low-power load crane and in significantly reducing replacement time. Therefor, once the lower container has been detached (2) the upper container (3) remains in its position or once the energy agent , supply ducts and the …
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
- Filed September 13, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 13, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 13, 2024.
- 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.