Installation for die-casting of metal blanks
CA 1105231 A · Owner: Krjuchkov, Igor B. · Inventors: Khromov, Alexei M.; Glazunov, Sergei G.; Merkulov, Vasily V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The installation comprises a pressuretight casing with vacuum melting and casting chambers communicating with each other via a pressing chamber. The vacuum melting chamber accommodates an electrode holder arranged above a melting pot; located under the latter is a pouring device with tunnels one of which is inserted into a hole in the shell of the pressing chamber. The vacuum melting chamber incorporates an appliance for cleaning the used funnels and a mechanism for moving them. The pressing chamber communicates with the pressmould one half of which is secured on an immovable vertical plate while the other half is mounted on a movable vertical plate which can travel over horizontal guides. …
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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 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 1998.
- 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.