Method and apparatus for sorting elongate articles
CA 1206440 A · Owner: Macmillan Bloedel Limited · Inventors: Churchland, Mark T.; Schilling, Walter W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for sorting elongate articles by length is disclosed. The apparatus includes a first conveyor belt second, conveyor belt, a holding mechanism located at the discharge end of the first conveyor belt and a grasping mechanism located at an inlet end of the second conveyor belt. The holding and grasping mechanisms are spaced from one another by a gap through which articles having a length less than a preselected length fall. The holding mechanism holds the article which pass the discharge end of the first conveyor belt in alignment with a plane in which the top run of the first conveyor belt moves. The grasping mechanism grasps the front ends of desired elongate articles …
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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 June 24, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 2003.
- 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
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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.