Method and device for resawing or slotting rigid material, in particular wood
CA 1296602 C · Owner: Dietz, Hans · Inventors: Dietz, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and a device serve for resawing or slotting rigid material, in particular wood, having a modulus of elasticity of, preferably, approximately 50,000 to 400,000 kg/cm2. A gap of finite width is cut into the material by a narrow tool comprising cutting elements, in particular a circular saw blade, at a cutting speed of over 40 m/s. After passage of the cutting element a timber section is always lifted off the rest of the material and bent out of the plane of the gap. In order to reduce the thermal loading of the tool which is, generated by the friction between the timber section and the tool, the timber section is always bent off in such a manner that once the timber section has left …
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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.