Process for the continuous casting of metal, in particular steel for producing billets and blooms
CA 2129964 C · Owner: Roehrig, Adalbert · Inventors: Roehrig, Adalbert; Kawa, Franciszek; Stilli, Adrian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the continuous casting of the metal is disclosed in particular of steel, for producing billets and blooms with a polygonal or approximately round cross-section. In order to improve chilling within the mould, thus achieving a better casting quality and to optimize, the casting process in the case of various operations steels is , introduced in a mould (3) with a cross-section at the pouring side that has sections (2) with bulges (9) distributed around the circumference of the mould cavity (6). The bulging skin that is created in the mould (3) is formed along at least a partial length of the mould (3). The extent of bulge elimination (9) is determined by setting a corresponding …
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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 17, 1993 and granted April 11, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2015.
- 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
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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.