Belt splitting machine
CA 2272159 A1 · Owner: Willis, John A. · Inventors: Willis, Adrian J.; Stoner, George Herman Iii; Willis, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for variable length belt splitting includes a stepwise feeder which urges the belt, such as conveyor belt forward in discrete steps and a, reciprocating cutter disposed downstream from the feeder. The feeder preferably, includes both a holding clamp and a feed clamp that is connected to and is , moved, with respect to, the holding clamp by a feed actuator. The cutter preferably moves, parallel to the holding clamp and is moved back and forth by a bi-directional ram. The cutter splits the belt edge to edge at a predetermined depth in length increments, corresponding to the feeder's step length to a total length determined by the user. Optionally, the feeder and cutter are …
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 May 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 18, 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.