Nozzle for liquid coating thickness control apparatus
CA 1097909 A · Owner: National Steel Corporation · Inventors: Ernest, Robert T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nozzle for use in apparatus for controlling the thickness of liquid coating on a continuous web where the nozzle or pair of such nozzles are used to direct a thin jet of fluid for impingement across the width of the moving web having liquid coating thereon. The nozzle is constructed such that the fluid in the portion of the jet on either side of the centre of the nozzle have components of motion towards the edges of the web. The nozzle is in the form of an elongated body disposed transversely to the length of the web in the coating apparatus. The elongated body has a cavity providing a plenum chamber extending longitudinally along the body and an orifice along one edge of the body …
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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 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 1998.
- 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.