Rotating scraping or abrading tool
CA 1069311 A · Owner: Moen, Asbjorn · Inventors: Moen, Asbjorn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary scraping or abrading tool in which a rotatable disc has a multiple of guiding bores through which scraping elements are axially arranged. The scraping elements have outer active ends extending beyond the face of the disc facing the workpiece to be treated. Inner ends of the scraping elements bear against a disc of elastic material. The scraping elements are provided with axial play within the bores which are arranged as coacting sets of holes in at least two adjacent parallel discs. The scraping elements are in the form of circular cylindrical tubular studs with a scraping end cross-cut and with an inner end thereof having a head. The cross section of the head exceeds the cross …
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
- Granted January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.