High strength aluminium alloy for pressure casting
CA 1287987 C · Owner: Iwai, Hideki · Inventors: Iwai, Hideki; Ogawa, Masahiro; Ueno, Tuneo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high strength aluminum alloy including 5 to 13 wt% Si, 1 to 5 wt% Cu, 0.1 to 0.5 wt% Mg, 0.005 to 0.3 wt% Sr, and the balance Al and inevitable impurities. The aluminum alloy is subjected to pressure casting and T6 heat treatment. The solution treatment time can be shortened.
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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 August 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 2008.
- 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.