Method and apparatus for mixing liner material for moisture retention basins
CA 1080213 A · Owner: Slurry Systems · Inventors: Schmednecht, Fred C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous mixer includes a hopper for depositing sand on a conveyor belt, an adjustable striker for controlling the quantity of sand, a bentonite bin and a rotary feeder for controlling the quantity of bentonite deposited on the conveyor belt and a plurality of mixing units through which the conveyor passes each with a pair of rotating paddle wheels for lifting the sand and bentonite off the belt and vigorously mixing it in a chamber. A spray manifold and moisture supply and regulating means are provided for adding moisture to the mixture at a predetermined rate.
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 June 24, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 1997.
- 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.