Method for regulation of grinding process in a pocket grinder
CA 1261434 A · Owner: Oy Tampella Ab · Inventors: Blomqvist, Seppo; Liimatainen, Heikki; Sundstrom, Kaj
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for regulation of a grinding process in a pocket grinder by, which method a wood batch in at least one pocket is pressed against a rotating grindstone by means of a grinding plate movable in the pocket. Then the apparent pulp quantity produced is calculated at fixed intervals to give a grinding stroke at different measuring points, also considering the changes in wood batch density occurred during the grinding stroke at the measuring points. The value thus calculated is compared with the target value for the pulp quantity produced and the grinding procedure of the wood batch is regulated to reach the target value for the pulp quantity produced. To achieve a …
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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.