Cement slurry batcher apparatus and process
CA 1300593 C · Owner: Alslur Enterprises Ltd. · Inventors: Brown, Ronald O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel process and apparatus for discharging on, a batch basis, cement and water as a slurry or in the form of separate discharges of slurry and cement where the, materials so discharged contain a predetermined amount of water and a predetermined amount of cement is disclosed. A, major quantity of water and all or a major quantity of the cement is mixed in a slurry mixer to produce a primary slurry. A major portion of the primary slurry is then discharged, and the remaining slurry mixed with the remaining quantity of water for discharge as a second slurry. A minor portion of the cement can optionally be added to a dry chamber for discharge therefrom. The slurry mixer and dry chamber, which …
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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 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 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.