Method and apparatus for grinding the tread and/or guide surfaces of rails or the like
CA 1301459 C · Owner: Guntermann, Hans · Inventors: Arndt, Gerhard; Guntermann, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus for grinding the tread and/or guide surfaces of rails or the like ABSTRACT, A method for grinding the running and/or guide surfaces of rails or the like wherein the surfaces are ground by a continuous, rotating abrasive belt that is movable against them the, running and/or guide surfaces of the rail being ground by the abrasive belt that travels transversely to the longitudinal axis of the rail and when prestressed is at least partially wrapped around the running and/or guide surfaces as well as a device to, realize the method. The device comprises a grinding machine movably guided on at least one rail of the track this grinding, machine having a continuous abrasive …
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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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.