Dampening apparatus for an offset lithographic printing machine
CA 1284059 C · Owner: May, Fritz · Inventors: Zimmer, Heinrich; May, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides dampening apparatus for an offset lithographic printing machine, comprising at least one rotatable disc for spraying dampening agent, and at least one first dampening roller for receiving the dampening agent from the rotatable disc or discs, wherein the apparatus further comprises an inking roller for applying ink to a printing cylinder or plate; at least two additional dampening rollers, the additional rollers comprising a second dampening roller which has a resilient surface and is arranged to receive dampening agent from the first dampening roller and a third dampening roller which is arranged to receive dampening agent from the second dampening roller the inking …
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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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.