Apparatus for filling a valve bag

Details Apparatus for filling a valve bag Apparatus for filling a valve bag

1982-09-28

1985-02-12

Marcus, Stephen

Fluent material handling, with receiver or receiver coacting mea

With soil removing, coating, lubricating, sterilizing and/or...

141 10, B65B 118

Patent

active

044985118

ABSTRACT:
An apparatus and method for use in filling a valve bag eliminates sifting of product during the filling process. A filling nozzle is inserted into the valve of a bag to be filled. A flow of particulate material is provided through the filling nozzle and into the bag. When the bag is full, the flow of particulate material is terminated. A blast of high pressure air is then introduced into the nozzle in order to clear the nozzle of any residual particulate material therein. A low pressure blast of air is introduced between the nozzle and the filling valve to suspend any particles present in the filling valve after the nozzle has been cleared by the high pressure blast. A vacuum is introduced into the nozzle to suck any suspended particles out of the filling valve after the low pressure blast has been introduced. A boot can be inflated around the nozzle to seal the nozzle within the bag valve before filling the bag.

REFERENCES:
patent: 3072208 (1963-01-01), Titchenal et al.
patent: 3137328 (1964-06-01), Swenson et al.
patent: 3258041 (1966-06-01), Lau
patent: 3331404 (1967-07-01), Gehring et al.
patent: 3384134 (1968-05-01), Hillerns
patent: 4219054 (1980-08-01), Carter et al.

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