Means for determining force applied to a roll by strip material
CA 1323771 C · Owner: Hope, Thomas · Inventors: Hope, Thomas; Swift, Colin; Lawson, Kenneth T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A roll for determining the force applied to it by strip material moving in the direction of its length and engaging part of the periphery of the roll comprises an arbor having a body of elastic material mounted on it. The elastic material is one whose resistance varies in a predictable manner when subjected to compressive forces.
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
- Granted November 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 2010.
- 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.