Deflecting device for viscous coating material freely flowing in the form of a sheet
CA 1299518 C · Owner: Spengler, Walter · Inventors: Spengler, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The deflecting device includes a deflecting electrode which is disposed at a spacing below a lip nozzle from which the viscous coating material flowing freely in the form of a sheet is emerging, and which electrode extends over the entire width of the coating material sheet. This deflecting electrode includes an electrode arrangement, the exposure region of which facing the surface of the flowing sheet is subdivided into a number of electrode elements which taper outwardly to a point. When voltage is applied, the electrode arrangement provides an ion stream directed towards the surface of the coating material sheet. The impact of this ion stream on the surface of the coating material sheet …
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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 April 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 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.