Laser welding apparatus
CA 2347287 A1 · Owner: Aman, Gary A. · Inventors: Aman, Gary A.; Scannell, James D.; Fletcher, Jimmie B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary welding apparatus for joining two metallic workpieces together by forming a semi-circular weld at a semi-circular interface formed at mating surfaces, of the workpieces. A turntable is rotated by a turntable drive. The turntable supports and indexes three lower tools around a circular path between a load station and a weld station. Each lower tool supports two workpieces to be welded, together. A workpiece rotary drive connects to whichever of the lower tools is at, the weld station then rotates that lower tool about a workpiece axis. A laser emitter supported adjacent the weld station directs a laser beam at a circular or, semi-circular interface between respective mating …
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 May 9, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 9, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2023.
- 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.