04703782 is referenced by 31 patents and cites 18 patents.

A method and apparatus for filling bulk bags employ a filling tube assembly comprising an inner tubular wall having an auger disposed therein for forcing powdered material into a bulk bag and packing it densely therein, and an air-permeable outer tubular wall disposed coaxially about the inner tubular wall to define an exhaust chamber so that air in the material may be drawn inwardly through the outer tubular wall when the filling tube assembly is immersed in the material.

Title
Method and apparatus for filling bulk bags
Application Number
6/808451
Publication Number
4703782
Application Date
December 12, 1985
Publication Date
November 3, 1987
Inventor
Ernest H Henkel Sr
2815 Xanthus La., Plymouth, 55447
MN, US
Agent
Fitch Even Tabin & Flannery
IPC
B65B 1/04
B65B 1/26
B65B 1/12
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