Mixture of sinterable powders that form a self-lubricating solid material
CA 2532010 C · Owner: Snecma Services · Inventors: Perruchaut, Philippe; Braillard, Frederic; Foucher, Christelle
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a new self-lubricating solid material; a fabrication process for such a material from a mixture of powders; the said mixture of powders; and mechanical parts made from this new material. The said mixture of powders includes a metal allow powder precursor of the matrix of the said material particles of a first solid lubricant, like CeF3 designed to be inserted into the said matrix without interacting with the said metal alloy and particles of a second solid lubricant like WS2 or MoS2, designed to react with a component of the said metal alloy when the powder is sintered to form a lubricating phase. Use of the said material for the fabrication of a dowel (11) designed …
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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 January 9, 2006 and granted November 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 9, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.