Installation for the continuous cleaning of a wiping roller of a machine for copper-plate printing
CA 1094883 A · Owner: De La Rue Giori S.A. · Inventors: Bonomi, Antonio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antonio BONOMI LAUSANNE / Switzerland, "INSTALLATION FOR THE CONTINUOUS CLEANING OF A WIPING ROLLER OF A, MACHINE FOR COPPER-PLATE PRINTING" ABSTRACT OF THE DISCLOSURE, A cleaning device for a wiping cylinder of a direct plate printing machine, comprising a container for receiving the cleaner liquid , a first scraper in contact with the periphery of the wiping cylinder followed by brushes and further scrapers at least two, rows of nozzles parallel with the axis of the wiping cylinder for ejecting the cleaning liquid such that in the direction of rotation of the cylinder, the area of the wiping cylinder located in from of said scrapers and brushes being wetted by a continuous film of liquid …
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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
- Granted February 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 1998.
- 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.