Method of and apparatus for casting
CA 1314686 C · Owner: Cosworth Research & Development Limited · Inventors: Smith, Robert Arthur
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of making a casting comprising the steps of at of casting station, feeding molten metal from a primary source of molten molten into a mould cavity through an ingate below the top of the mould cavity placing the, cavity out of feeding relationship with the primary source by changing the orientation of the cavity relative to the force duo to gravity to prevent flow of molten metal from the cavity towards the primary source and to permit of flow of metal from a secondary source to the cavity the cavity being, contiuously connected to the primary source during said change of orientation, transferring the mould cavity to a cooling station spaced from the casing station and, at the …
Read the whole patent
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 March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 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.