Peeling apparatus with enhanced abrasive rollers and associated methods
CA 2441293 A1 · Owner: Fmc Technologies, Inc. · Inventors: Suter, Michael L.; Thomas, Donald C.; Schrader, Gregory W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A peeling apparatus includes a frame (30) and at least one set of abrasive , rollers (32a) carried by the frame to define at least one peeling chamber. Each abrasive roller includes an elongate body portion (60a) having an abrasive outer surface and may have a pair of mounting stubs (61a 62a) , permanently affixed to respective opposing ends of the elongate body portion. The elongate body portion and the pair of mounting stubs may each comprise metal, and the pair of mounting stubs may be welded to respective ends of the elongate body portion to provide the permanent fixation. The abrasive outer surface may include a plurality of knurls (75a) arranged in a pattern. Each knurl may …
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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 March 21, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 21, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 2024.
- 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.