Pressure control device for equipment having rolls
CA 1065700 A · Owner: Kusters, Eduard · Inventors: Kusters, Karl-Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a pressure ratio monitoring device for equipment having at least one floating roll and a pneumatic or hydraulic loading device engaging either the floating roll or a back-up roll. The controlling element which is either the loading device or the floating roll has a control pressure derived, from a pressure therein whereby the pressure in the other of the loading device or the floating roll (i.e. a controlled element) can be adjusted by means of the pressure ratio monitoring device to maintain a predetermined ratio to the pressure in the controlling element. The pressure ratio monitoring device compares the control pressure with the actual pressure in the controlled element and, …
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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
- Granted November 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 6, 1996.
- 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.