Method and apparatus for forming gravure cells in a gravure cylinder
CA 1202684 A · Owner: Gravure Research Institute, Inc. · Inventors: George, Harvey F.; Toor, Yair
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and associated apparatus for forming gravure cells in a gravure cylinder for accurately reproducing an image including the steps of, coating the peripheral surface of a gravure cylinder with an insulating coating revealing a first group of predetermined portions of the coated gravure cylinder by selectively removing the insulating coating overlying portions of the peripheral surface of the gravure cylinder ablating the first group of, exposed portions of the gravure cylinder to a predetermined depth and repeat-, ing the revealing and ablating steps until a predetermined number of different groups of predetermined portions of the gravure cylinder have been revealed with each …
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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 April 1, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 2003.
- 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.