Sheet metal bending machine with offset press rollers
CA 2257192 A1 · Owner: Gravier, Michel · Inventors: Gravier, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention features a sheet metal bending machine constituted by a smooth press roller around which the sheet metal is rolled after bending, and by smooth carrying rollers against which the press roller presses is characterised in that the carrying roller (2) is supported at one end by a fixed bearing (15) and at its other end by a retractable bearing (18) and in that the press rollers (3, 4) are supported directly or indirectly (support rollers) by a plurality of bearings (5) supported by a control mechanism called "inclined blocks" (7,8).
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 March 28, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 28, 2019.
- 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.