Method and arrangement for fastening a grinding segment
CA 2089197 A1 · Owner: Valmet-Tampella Oy · Inventors: Valli, Juhani
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
14, Abstract, A method and arrangement for fastening a grinding segment (2) to the frame (1a) of a grindstone and a grind-, ing segment. The grinding part (3) of the grinding segment (2) is attached to a separate base plate (4) by means of fastening mass (5), which is advantageously made of concrete. The grinding segment (2) is fastened to the frame (1a) of a grindstone by bolts or other fastening means (6) such that the fastening force of the grinding segment affects only the metallic base plate (4) of the grinding segment and that the forces between the frame of the grindstone and the ceramic grinding part are transmitted only through the fastening mass (5). (Fig. 2)
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
- Filed February 10, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 10, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 10, 2015.
- 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.