System for non-contact colored label identification and inspection and method therefor
CA 2069150 A1 · Owner: Davies, Jeffrey P. · Inventors: Cormack, Robert H.; Wertz, Ronald D.; Davies, Jeffrey P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical inspection system which inspects for the presence of defects in colored labels placed for, example, on the side walls of cylindrical beverage cans. The optical inspection system utilizes a conveyor for conveying the beverage cans in a production line where such beverage cans typically are randomly oriented. The optical inspection system positions an optical head near the beverage cans as they move in the production line without physically interfering or interacting with the movement. The optical head senses a preselected number of different colors which appear in a predetermined field of view of each moving can. The cans being randomly oriented have different portions of the …
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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
- Filed May 21, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2014.
- 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.