Positive pressure web floater dryer with parallel flow
CA 1315974 C · Owner: Hagen, Kenneth G. · Inventors: Hagen, Kenneth G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nozzle assembly for a web dryer is described. The nozzle assembly includes (a) an elongated plenum chamber defined by a base plate, upstream and downstream vertical parallel side plates, and end closure plates, (b) a flat pressure plate adapted to form a gas flow zone with a moving web (c) a primary jet of, the air foil Coanda type disposed at the upstream of the pressure plate continuously directing gas downstream along the face of the plate, and (d) a single secondary jet of the impingement type disposed at the generally right angled downstream terminus of the pressure plate to continuously direct gas initially substantially perpendicularly to the web and to gas flowing downstream along …
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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 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 2010.
- 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.