Method for solution heat treatment of 6201 aluminum alloy
CA 1100391 A · Owner: Southwire Company · Inventors: Powers, Frank M.; Chia, Enrique H.; Chadwick, Kenneth E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved method of continuously manufacturing a hot formed heat treatable aluminum base alloy product comprising casting a molten aluminum base alloy metal cooling the cast, metal during casting at a rate at which solidification shrinkage will not occur, raising the temperature of the cast metal prior to the initiation of the step of hot forming the cast metal to a temperature above the temperature level at which the alloy metals will precipitate to the grain boundaries of the aluminum base metal and subsequently reducing the metal temperature from the solutionizing temperature of the metal to a temperature at which no substantial immediate precipitation occurs within a time imterval …
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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 May 5, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 1998.
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Timeline
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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.