Object conveying surface with liner and method of applying the liner to the surface
CA 2326046 A1 · Owner: Beale, Scott Andrew · Inventors: Beale, Scott Andrew; Ritter, James Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stationary chute (1) for holding and moving objects e.g. packages (20) , along a transport surface wherein a transport substrate (2) has intimately bonded thereon a skived PTFE film or layer (10) with an acrylic adhesive (11) therebetween so that objects will move continuously without build-up; and a method of coating the skived PTFE film or layer (10) on the substrate (2) wherein the substrate is worked mechanically to a smooth surface then, cleaned with a non-soap, non-surfactant cleaner then, rinsed with water, and , then dried and then, the skived PTFE film or layer is gradually applied to the substrate with use of the acrylic adhesive and pressure.
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 March 25, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2021.
- 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.