Cylinder dryer for paper machines
CA 1063343 A · Owner: Svenska Flaktfabriken · Inventors: Lindgren, Stig R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A cylinder dryer for incorporation in the first part of the dryer section of a paper machine, comprises a multiplicity of heated cylinders that are arranged at two substantially parallel levels, the wet sheet during the drying process travelling in loops up and down around the cylinders at least, some of which are fitted with hoods that cover part of their curved surfaces and comprise orifices for blowing hot air mainly perpendicularly on to the sheet travelling from one cylinder to another. The hoods are designed with extended wing members whose surfaces facing the wet sheet project parallel and in close vicinity to the wet sheet that travels unsupported between …
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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 October 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 2, 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.