Bulk material compressor
CA 1304329 C · Owner: St. Clair, Rodney D. · Inventors: St. Clair, Rodney D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for compressing bulk material into a storage bag including a hopper, an auger tube having an inlet port and a discharge port, an auger rotatably mounted within the auger tube, and a storage bag support framework affixed to the auger tube at its discharge end. The auger extends through the discharge port and into the area defined by the storage bag support framework to permit lateral displacement of the bulk material from the auger into the storage bag support and thence into the storage bag. The auger preferably extends through the discharge port a distance of at least one flight; the pitch of the flights being shorter than those within the auger tube. The auger is unsupported …
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 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 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.