Process for drying a material web and device for the application of the process
CA 1310182 C · Owner: J. M. Voith G.M.B.H. · Inventors: Haessner, Winfried; Kugler, Georg; Wolf, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process and device for drying a material web which together with a backing belt alternately runs across heatable drying cylinders which are contacted by the material web and across guide rolls contacted by the backing belt. At the travel section of the material web from one drying cylinder to the next drying, air is fed to the material web in relatively narrow blow zones. Located between the narrow blow zones are relatively wide steam release spaces from which the water vapor-laden drying air is removed. -19-
Read the whole patent
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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 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.