Control and/or regulating system for a machine used for producing a fiber web
CA 2264771 A1 · Owner: Griech, Wolfgang · Inventors: Griech, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a control and/or regulating system for a machine used for producing a fiber web, in particular a paper and/or cardboard web. This system comprises several actuators (A1-A6) each associated to at least one , final control element for affecting certain properties of the fiber web that is to be produced. The actuators (A1-A6) are intelligent components of a decentralized communication/hardware structure (10) in which they are coupled , together via a closed pipeline ring (12) and/or a local LAN network.
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 19, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 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.