Coal-water slurry producing system
CA 1298259 C · Owner: Meguri, Nobuyasu · Inventors: Takamoto, Shigehito; Meguri, Nobuyasu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coal-water slurry producing system comprises: a continuous wet-type ball mill for grinding the coal with the addition of water and additives thereto to obtain coal-water slurry, supplying device for supplying the coal-water slurry discharged from the ball mill to a filtering apparatus, the filtering apparatus for filtering the supplied coal-water slurry to remove coal particles of a predetermined particle size or above delivery device for delivering the filtered coal-water slurry containing coal particles of the predetermined particle size or below to a slurry storage tank a, combustion apparatus, or the like. The coal-water slurry producing system further comprises a screen apparatus …
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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 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 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.