Method for continuous casting and device for carrying out the method
CA 2322266 A1 · Owner: Abb Ab · Inventors: Lehman, Anders
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and a device for continuous or semi-continuous casting of metal where hot melt is supplied to a cooled continuous casting mold and the melt is cooled and formed to a at least partly solidified strand as it passes through the mold. An inductive coil is arranged at the top end of the mold to when , supplied with an alternating electric high frequency current generate a high , frequency magnetic field to act upon the melt in the mold whereby heat is , developed in the melt and compressive forces acting to separate the melt from the mold wall are generated. The coil is supplied with the high frequency current from a power supply unit with current control means to supply an …
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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
- Filed February 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 18, 2021.
- 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.