Nozzle for die casting apparatus
CA 1213121 A · Owner: Pegasus Industries, Inc. · Inventors: Zecman, Kenneth P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nozzle for use in zinc and other metal casting operations wherein it is necessary to heat the nozzle with a gas-fired torch to prevent the zinc from freezing in the nozzle. Heat from the local area heated by the nozzle is conducted away from such area to be distributed through the balance of the nozzle body by means of a copper filled channel in the exterior surface of the nozzle body. In one embodiment the channel includes a wide band portion which extends around the nozzle body and includes the locally heated area and which feeds into a thinner helical groove. An insulative sleeve covers the nozzle but has an opening for a torch flame. In another embodiment the groove is more uniform …
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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 October 28, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 28, 2003.
- 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.