Method and device for positioning edges, especially in tube welding
CA 2350512 A1 · Owner: Elpatronic Ag · Inventors: Gysi, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to the invention, a stop element is used for tube welding which engages with the tube and which travels with the tube so as to position the edges of the clot before the weld is produced by la laser beam (4). The travelling stop element has a plurality of stop pieces (8 9, 10, 11) which , are arranged on a chain (7) which is rotation-driven. Form elements (15 15') , act on the exterior of the clot to position the edges thereby effecting an , exact positioning of the edges for welding especially for tube welding.
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 August 19, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 19, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 19, 2021.
- 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.