Valve bag filling nozzle
CA 1203215 A · Owner: Champion International Corporation · Inventors: Lepisto, J. George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filling nozzle for use in filling a valve bag eliminates sifting of product during the filling process. The nozzle has an air conduit that supplies high pressure air to clear the nozzle of product after a bag has been filled. An air conduit for low pressure air is provided to introduce air between the nozzle and the bag's valve sleeve for suspending any particles remaining in the valve sleeve after the bag has been filled. A vacuum suction passage is provided to withdraw the suspended particles from the valve sleeve. The nozzle can be used in conjunction with a slitted valve sleeve. The discharge end of the nozzle directs the flow of product downwardly through the slit in the valve sleeve …
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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
- 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.