Reinforcement of articles of cast metal or metal alloy
CA 1250723 A · Owner: Ae Plc · Inventors: Cooper, James A.; Tommis, Norman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The reinforcement of articles of cast metal or metal alloy is formed by a mass of whiskers or fibres bound together by a binder such as starch which is such that on casting, the molten metal penetrates the reinforcement without deforming the reinforcement and dries off the binder by burning or vapourizing the binder. The casting process is preferably a squeeze casting process and the article produced may be a fibre or whisker reinforced piston for an internal combustion engine made of aluminium or aluminium alloy.
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 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 7, 2006.
- 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.