Electric resistance furnace
CA 1078902 A · Owner: Biuro Projektow Przemystu Metali Niezelaznych "Bipromet" · Inventors: Gawlowski, Piotr; Morys, Zygmunt; Wieczorek, Alfons
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A furnace for melting metals maintaining them in a melted condition and producing alloys, particularly of non-ferrous metals by direct heating of, the melt with non-metallic heating elements. The described furnace has high capacity and simple design and enables series connection of two or more furnaces to the electric supply with the selection of a suitable electrode the alloy components may be melted directly in the crucible. In the furnace chamber there is at least one heating element in the shape of a vessel. A current supply electrode is positioned within the heating element and is connected electrically to it by a metal within the heating element. Another body of melted metal is in the …
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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
- Granted June 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
- 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.