High speed flame spraying process having particle velocity of at least 300 m/s
CA 2039944 C · Owner: Kolev, Sejko · Inventors: Kolev, Sejko; Koromzay, Tibor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for coating the blades of a rotating, thermal machine, said blades undergo a first cleaning process in the operating state of the machine i.e. "on line", the appropriate agent fox this which, depends on whether the blades are uncoated or coated being mixed in with the air stream to the compressor. After switching off the machine and opening the same the blades undergo in the stationary state that is to, say in the bladed state of the corresponding rotor or stator, a preparation process for the subsequent treatment stage. According to requirements this, preparation process may, for example consist in the, blades being immersed in a vibrating erosive bath. The actual coating of …
Read the whole patent
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 April 8, 1991 and granted January 2, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 8, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 8, 2013.
- 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.