Agricultural bag loading machine
CA 1292090 C · Owner: Poly Farms, Inc. · Inventors: Johnson, William C.; Marpoe, Roland Willis; Cox, Larry B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An agricultural bag loading machine having an improved mechanical assembly for automatically effecting controlled continuous compression and delivery of compacted animal feed material into a flexible agricultural storage bag via a compression and delivery chamber. The compressed delivered, feed material has a uniform air tight side wall density, throughout the bag-delivered feed material mass. The loading machine has additional features including a pneuma-, tic bladder assembly for changing the forming chamber dimensions and configuration, an improved agricultural bag attachment and continuous feeding mechanism which eliminates bag fold-over and wrinkling problems during filling and an, …
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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 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.