Manufacturing sheets, strips and foils from age hardenable aluminum-silicon-magnesium alloys
CA 1097196 A · Owner: Swiss Aluminium Ltd. · Inventors: Tragner, Erich; Lenz, Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There are a number of applications for thin sheet aluminum. Such material must have good deep drawing properties durability, and strength. Additionally the aluminum alloy must have a sufficiently low cost for deformation to permit the production of a competative product. The present invention seeks to achieve this desiderata by providing a process for fabricating high strength, improved formability low earing aluminum strip, sheet and foil from age hardenable aluminum alloys of the Al-Si-Mg type comprising:, (A) forming an aluminum alloy melt composition consisting essentially of from about 1.0 to 1.8 weight percent silicon from about 0.2, to 0.6 weight percent magnesium and the balance …
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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 March 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 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.