Oscillating printing press roller and method for operating the same
CA 1330636 C · Owner: Kemp, James R. · Inventors: Kemp, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract Of the Disclosure, A pneumatic axially oscillated frictionally, rotated roller is disclosed and may be used in the ink or dampening systems of a printing press. The roller features an internal air piston-cylinder construction that causes the axial motion but permits the roller to freely rotate. Further, several air cylinders can be stacked on each side of the roller to permit even a small diameter roller to be pneumatically oscillated. The roller when used as an ink form roller, may be operated to oscillate in synchronization with an adjacent oscillating, vibrating roller to continually diagonally redistribute the ink so as to eliminate or minimize "ghosting". The foregoing is …
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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 July 12, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 12, 2011.
- 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.