Tool plate for abrasive surface smoothing
CA 1313312 C · Owner: Sonefors, Yngve · Inventors: Sonefors, Yngve
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved abrasive tool plate for surface smoothing of wood, plastic and other soft materials comprises a thin steel plate (10), on one side of which a pattern of etch fluid resistant material has been applied followed by, etching away the surface between the pattern elements down to a determined depth. Parts of the steel plate protected by the etch fluid resistant material pattern will remain between the etched away parts as protruding elements with flat tops, which can serve as cutting elements (11). According to the invention the tool plate (10) is, thereafter rolled in multiple steps between one rigid roller with raised parallel strips and one elastically deformable roller to deform …
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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 February 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2010.
- 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.