Method and arrangement of machinery for coating a travelling web of material with coating composition
CA 1056661 A · Owner: Aktiebolaget Karlstads Mekaniska Werkstad · Inventors: Bostrom, Mats G.D.; Hansson, Gosta H.; Lind, Hans-Erik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A traveling web is coated on both sides with liquid containing coating composition by a method that utilizes apparatus providing two coating stations. The two coating stations are spaced from each other in the direction of travel of the web and each station includes a backing roll wiping device such, as a doctor blade or the like and a device for applying coating composition to one side of the traveling web. One side of the web is brought into contact with the backing roll at the first coating station and liquid containing coating composition is applied to the other side of the web. The web is then passed between the backing roll and the wiping device at the first coating station. At the …
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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 June 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
- 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.