Process and device for producing metallic composite materials
CA 2221387 C · Owner: Von Hagen, Ingo · Inventors: El Gammal, Tarek; Von Hagen, Ingo; Pleschiutschnigg, Fritz-Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed to a process for producing metallic composite material in which there is applied to at least one side of a parent strand a material having different material characteristics. For this purpose according to the , invention, the parent strand is guided through a melt having the same material composition as the parent strand wherein , melt crystallizes on by inversion casting and at a , predefinable distance from the surface of the molten bath a , composite section is fed to the carrier section after it has exited from the molten bath, this composite section being welded with the surface of the carrier section. The invention is further directed to a device 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 May 17, 1996 and granted February 27, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 17, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 2018.
- 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.