Combined laser and plasma-arc processing torch and method
CA 2379182 A1 · Owner: Bogachenko, Evgeny · Inventors: Bogachenko, Evgeny; Dynkhno, Igor; Ignatchenko, Georgy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combined laser and plasma-arc welding torch which joins features of , separate laser and plasma-arc welding devices in a single tool. A laser beam is directed by an optic system to be co-linear with the central axis of a plasma-arc torch. The laser beam passes through a group of electrodes whose , longitudinal axes are disposed at an acute angle to the torch central axis on the generatrix of a cone, the apex of which lies on the torch central axis close to the section plane of a constricting nozzle and the base of which , faces the main body of the torch. The electrodes may be both cathodes or , anodes, or cathodes and anodes. The welding torch may be additionally provided with 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 July 5, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2022.
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Timeline
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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.