Method and equipment in cutting/guiding of a lead-in strip in a paper/board machine
CA 2306750 A1 · Owner: Valmet Corporation · Inventors: Autio, Jukka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method and an equipment in cutting/guiding of a leadin strip (W') in a paper/board machine. In the method an equipment (10) is , employed which comprises a cutting device (15) in which connection, by its , means, an edge band (Wa) which has been formed out of the web (W) first is , cut off by passing the device (10) along a linear path (L1). After this by , means of the blowing (S1) produced by the blow device (13a1) in the equipment (10), the lead-in strip (W') thus formed is separated from the face (T'; H1) and transferred further in the paper/board machine by means of a support blowing (S2) from the blow device (13a2).
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 October 15, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 2020.
- 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.