Method for continuous casting of an aluminum-lithium alloy
CA 1328978 C · Owner: Yanagimoto, Shigeru · Inventors: Yanagimoto, Shigeru; Kondo, Ryoichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method for Continuous Casting of an Aluminum-Lithium Alloy, In a method for continuous casting of an aluminum-lithium alloy through an open-ended mold for forming an ingot wherein, gas under pressure is brought into contact with a molten surface part of said ingot directly before solidification the gas used, consists of from 1 to 15 volume % of oxygen and balance of inert gas. The casting is stabilized and cast skin is improved by the use of said gas.
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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 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.