A press apparatus for a papermaking machine
CA 2263502 A1 · Owner: Sandberg, Brian · Inventors: Sandberg, Brian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A press apparatus (10) is disclosed for a paper making machine for pressing a web (12). The apparatus (10) includes a frame (14) and an extended nip module (16) which is removably connected to the frame (14). A backing roll (18) is disposed beneath the module (16) and is removably connected to the frame (14). The backing roll (18) cooperates with the module (16) for defining therebetween an elongate press nip (20) for the passage therethrough of the web (12). A felt (22) extends through the press nip (20) for receiving water ejected from the web (12) during passage of the web (12) and felt (22) therethrough. A looped bearing blanket (24) extends around the module (16) 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 August 15, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 15, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 15, 2019.
- 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.