Composite ferrule with ceramic coating, adapted in particular for ink-transferring ferrules
CA 2275947 A1 · Owner: Societe Seites · Inventors: Francille, Jean; Francille, Philippe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a composite ferrule adapted in particular for being mounted on a metal carrier cylinder and used for transferring ink comprising a base ferrule (10) capable of radial deformation a layer (12) with limited deformability an intermediate layer (14) for absorbing radial deformation and a ceramized layer (16) made of a material with high capacity for dissipating heat. The ceramic coating (18) is etched generally laser etched, so as to give to the external surface of the ferrule capacity for retaining ink for use as anilox in a printing machine.
Read the whole patent
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 December 30, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 30, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 30, 2019.
- 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.