Method and arrangement for automatic bow adjustment
CA 2303665 A1 · Owner: Larsson, Jonas Leo · Inventors: Larsson, Jonas Leo; Berntsson, Peter Ingemar; Larsson, Jan Olof
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method for automatic bow adjustment for a venetian blind assembly machine; said bow adjustment station comprising rollers (48; 104, 106) for guiding, bending and levelling a strip material (43; 112) and , further comprising a, forming section (36; 102) where mating concave and convex upper and lower form rollers, (50; 108, 110) are arranged for creating a transverse curvature in the strip material, further, comprises the steps of: providing levelling through means for offsetting (34; 100, 102) in, order to straighten the bow of the strip material (43; 112) within a predetermined deviation on, a predetermined length of strip material; measuring the …
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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 April 3, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 3, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 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.