Means for splash separation on paper machine
CA 2450714 A1 · Owner: Klintaeng, Christer · Inventors: Holm, Ake; Bergstroem, Johan; Klintaeng, Christer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed towards a means on paper machines and in particular a means for splash separation at a dandy roll (1) on a fourudrinier machine. The means comprises a doctor blade (9) and a cover (11) in order to separate and divert water further from the dandy roll (1). A rotating roll (3) is positioned for collecting the separated water from the dandy roll (1). An additional doctor blade (4) is used for wiping off the water from the roll (3) and for diverting it into a tub (10). The water leaves the tub (10) at one or both short sides (14), which are open. In order to divert the water towards the respective short end (14), the tub (10) is positioned or shaped …
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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
- Filed June 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2024.
- 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.