Method for reconditioning dryer screens
CA 1096649 A · Owner: Canadian International Paper Company · Inventors: Levesque, Herman R.; Blais, Joseph P.E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method for cleaning and reconditioning dryer screens for papermaking machines comprises the steps of removing the dryer screen from the machine and processing the screen section by section in assembly-line fashion through a sequence of cleaning steps, including bathing the screen in a cleaning solution, scrubbing the screen with oscillating brushes, showering the screen with an oscillating high pressure stream of water, rinsing the screen with a stationary low pressure stream of water and drying the, screen with an air shower.
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 March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- 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.