Method for repairing a one-piece bladed disk, start and end samples
CA 2537427 C · Owner: Pagnon, Claude Andre Charles · Inventors: Kerneis, Stephane Michel; Pagnon, Claude Andre Charles; Derrien, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention pertains to a repair process for a one-piece bladed disc in a turbomachine comprising at least one damaged zone by reloading metal onto the said damaged zone using a reloading machine including preparation steps for the damaged zone reloading the damaged zone with metal and reworking the repaired zone. The process is characterised by the fact that the preparation step includes machining the zone so as to obtain a specific profile then reloading a sample, said to be the start sample and having the said profile with the reloading machine. The reloading machine is a laser machine with pre-established operating parameters. The quality of the sample is verified after reloading and …
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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 February 24, 2006 and granted January 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 24, 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.