Method for the preparation of fiber-reinforced metal composite material
CA 1202553 A · Owner: Sumitomo Chemical Co. Ltd. · Inventors: Yamatsuta, Kohji; Nishio, Ken-Ichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a process for preparing a fiber-reinforced metal composite material which comprises (1) combining inorganic fibers comprising alumina as a main component and silica as a secondary component with an, aluminum alloy containing at least one of the elements copper, silicon, magnesium and zinc as a secondary component at a temperature of not lower than the melting point of the alloy to form a composite, (2) subjecting the composite to a solid solution treatment, (3) quenching the treated composite and (4) optionally tempering the quenched composite at a temperature of from 100 to 250°C. The resulting fiber-reinforced metal composite material has improved mechanical …
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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 April 1, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 2003.
- 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.