Auger for bulk material compressors
CA 1292908 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
An improved auger for bulk material compressors of the type having a feed chamber and a packing chamber to which is attached a tubular silo bag The improved auger includes an inlet portion, located within the feed chamber and an, outlet portion, located within the packing chamber. The inlet portion includes a shaft and flights each preferably, of constant diameter. The outlet portion also has flights preferably of uniform diameter and a shaft which is cone-shaped, increasing in diameter from its connection with the shaft of the inlet portion, adjacent the beginning of the packing chamber, to the end of the auger flights within, the packing chamber, for gradual compression of bulk material …
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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 December 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 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.