Molten metal supplying apparatus
CA 1320331 C · Owner: Kubota, Shoko · Inventors: Yamada, Sadayoshi; Kubota, Shoko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A molten metal supplying apparatus has an electromagnetic pump for supplying molten metal unclear electromagnetic forces through a molten metal feed tube to a die-casting machine. An adapter is provided for maintaining molten metal therein at the same surface level as that of molten metal which is kept in a molten metal holding furnace at a prescribed temperature. The molten metal holding furnace is movable toward and away from a molten metal receiving member of the die-casing machine. No oxidized layer is prevented from being formed in the molten metal as it is fed through the feed tube, and the feed tube can easily be inspected and serviced. An orifice member is disposed in the feed tube …
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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 July 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 20, 2010.
- 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.