Method and apparatus for cutting sheet metal
CA 2323985 A1 · Owner: Koenders, Wilfred · Inventors: Koenders, Wilfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for cutting sheet metal pieces from a sheet metal coil comprises a coil support adapted to support the sheet metal coil such that same may rotate about the coil axis to unroll an end portion of the sheet metal coil and a sheet support adapted to support the end portion for cutting. A cutting head is mounted above the end portion and is operative to cut through the end portion. A cutting head drive is operative to move the cutting head back and forth along a first path parallel to the coil axis and a sheet metal drive is operative to move the end portion forward and rearward along a second path perpendicular to the coil axis. A computer is operative to control and coordinate the …
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 October 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 19, 2022.
- 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.