Method and apparatus for containing and ejecting a thixotropic metal slurry
CA 2410667 A1 · Owner: Wang, Shaupoh · Inventors: Norville, Samuel M. D.; Wang, Shaupoh; Lombard, Patrick J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container system (10A) including a vessel (20A) for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet (60A) and an ejection system for cleanly discharging the processed thixotropic semisolid aluminum billet (60A). The crucible (20A) is preferably formed from a chemically and thermally stable material (such as graphite or a ceramic). The crucible (20A) defines a mixing volume (30A). The crucible ejection mechanism may include a movable bottom portion (22A) mounted on a piston (56A) or may include a solenoid coil for inducing an electromotive force in the electrically conducting billet for urging it from the crucible (20A). During processing, a …
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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
- Filed May 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2023.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.