Coating apparatus and method
CA 1298079 C · Owner: Embry, Lamar · Inventors: Embry, Lamar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating apparatus is disclosed for applying a coating onto a surface of a moving web. The apparatus includes a backing member which defines a perforate surface such that when the member is connected to a source of partial vacuum, the web is drawn towards the perforate surface of the member. A coating blade is disposed adjacent to the backing member such that the blade urges the web towards the perforate surface. A permeable belt extends around the backing member with the belt being disposed between the web and the backing member such that when the source of partial vacuum is connected to the backing member air flows, through the belt and the perforate surface for drawing the web into …
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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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
- 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.