Grinding machine for wet grinding flat rolls with weak profiles
CA 1264946 C · Owner: Hoesch Aktiengesellschaft · Inventors: Bottcher, Wolfgang; Stutzinger, Ferdinand; Kopineck, Hermann-Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a grinding machine for wet grinding the rolls of flat rolling works. The grinding machine contains an especially accurate measuring device for measuring diameter changes, which measures the diameter change of the roll in a non-contacting manner during the grinding process at exactly the area being ground. This takes place with the help of a holder having an air jet fixed to it. The air jet has a spacing of about 0.2 mm to the surface of the roll. As soon as this spacing is slightly changed the changed pressure head works on a piston which operates to return the spacing to the desired value. In addition to the length measuring device for measuring the changes in roll …
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 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.