Casting apparatus
CA 1329460 C · Owner: Toshiba Kikai Kabushiki Kaisha · Inventors: Kitamura, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A casting apparatus comprising a crucible furnace for containing a molten metal, a die assembly defining a die cavity having a casting volume for producing a die casting by forcing molten metal from the crucible furnace thereinto an, injection sleeve having a feed slot located therein wherein, the injection sleeve is vertically oriented for supplying the molten metal upwardly towards the die cavity a feed block, proximate to the injection sleeve and comprising a curved passage therein one end of which communicates with the feed slot, a feed pipe connected to the other end of the curved passage for providing fluid communication between the crucible furnace and the curved passage feeder means …
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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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
- 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.