Method for producing hot strips consisting of lightweight steel
CA 2591060 C · Owner: Spitzer, Karl-Heinz · Inventors: Schaeperkoetter, Markus; Bormann, Guido; Spitzer, Karl-Heinz
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 hot strips (18) from a deformable lightweight steel which is especially suitable for cold deep drawing , and includes as main elements Fe Mn, Si and Al, and which has a high tensile strength and TRIP and/or TWIP properties. Melt is cast close to its final dimension in a horizontal continuous strip casting installation (1) under a protective gas in order to form a pre-strip between 6 and 20 mm and the , temperature of the pre-strip is adjusted after complete solidification and before , the beginning of a hot-rolling process. According to the invention the pre-, strip , is passed through a device (10) under a protective gas for …
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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 December 14, 2005 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 14, 2025.
- 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.