Method for producing grain oriented magnetic steel strip
CA 2616088 C · Owner: Sowka, Eberhard · Inventors: Lahn, Ludger; Ploch, Andreas; Sowka, Eberhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for producing a high-grade grain-oriented electric steel sheet known per se as so-called CGO-material (Conventional Grain Oriented-Material) in a cost-effective manner by a continuous thin slab casting method from a steel alloy containing 2,5-4.0 mass % Si 0.01-0.10 mass , % C, 0.02-0.50 % Mn and S and Se elements with such a content that the total of said two elements ranges from 0.005 to 0.04 mass % wherein said invention , offers an operation sequence whose individual stages are co-ordinated in such a way that they make it possible to obtain an electric steel sheet exhibiting optimised properties by means of conventional units wherein said …
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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 July 20, 2006 and granted May 5, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 20, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.