Erasing and cleaning device for cylinders, in particular printing-form and rubber blanket cylinders of a printing machine
CA 2338103 A1 · Owner: Man Roland Druckmaschinen Ag · Inventors: Hartmann, Thomas; Schuster, Alfons
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an erasing and cleaning device for cylindrical surfaces in, particular of printing-forme and rubber-blanket cylinders of a printing machine, with the aid of a cleaning cloth capable of being moved by cleaningcloth transport means, the cleaning-cloth transport means comprising a freshcloth roll, a pressure element, which presses the cleaning cloth against the cylindrical surface, and a dirty-cloth roll for receiving the spent cleaning cloth, and cooperating with a positioning unit for the operating position and a drive, to make it easier to change the cleaning cloth and to achieve a reduction in the, time taken by this change and, moreover to make this erasing and cleaning, device …
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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 February 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 23, 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.