Press section for a paper machine
CA 2136464 A1 · Owner: Steiner, Karl · Inventors: Steiner, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a press section for a paper machine with at least two presses which are successively passed by a web to be dewatered the, web alternately making contact with a press felt and a closed shell surface of a press roll. The first press is fashioned as a single-felted shoe press and configured such that the one web side will make contact with a first smooth press element. The second press is fashioned singlefelted as well and configured such that the other web side makes contact with a second, smooth press element. A web transport system is provided between each two adjacent presses. The invention is characterized in that the web transport system features a guide roll with …
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 November 23, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2016.
- 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.