Device for transferring a fiber web
CA 2099645 A1 · Owner: J. M. Voith G.M.B.H. · Inventors: Kotitschke, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for transferring a paper web from the press section into the dry end of a paper making machine. The web contacts a rotatable press surface e.g. on a, press roll, and travels with the press surface through a press nip against a backing roll, and thereafter travels with the press surface to a web removal place. The web is transferred by a suction device across an adjustable gap to a porous transport belt which transports the web toward a first dryer group. The first dryer group has a number of drying cylinders and a web support belt that transfers the web from drying cylinder to drying cylinder. Either a suction device or another intermediate transfer roll transfers the web from the …
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
- Filed June 24, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 24, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 2015.
- 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.