Apparatus for the compaction of material and the reduction of its liquid content
CA 1290186 C · Owner: Bruke, Richard · Inventors: Bruke, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for the compaction and reduction of liquid content in a material includes at least one floating helice (3) rotatable about its axis by drive means (4, 30) and disposed in a casing (2) which. at least along a portion of its extent in the longitudinal direction, completely encloses the helice. In conjunction with the discharge portion of the apparatus, the casing encloses the helice with slight play. Seen in the direction of movement of the material the discharge portion includes a helice-free region most proximal the discharge opening of the casing, intended for the formation of a counterpressure member which arrests the movement of the material. In this region, the helice is …
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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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2008.
- 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.