Patent ID: 6722406
Filing Date: 2004-04-20
Classification: B65B,G03G

Abstract:
An apparatus for directing powder from a hopper containing a supply of powder to fill as well as cleanly cutoff filling of a container without post-cutoff dribbling, the apparatus comprising:(a) a conduit member connected to the hopper and having a discharging end for permitting a quantity of powder to be moved therethrough; (b) a conveyor device located at least partially within said conduit member for moving the quantity of powder from the hopper in a powder moving direction towards the container; and (c) an anti-dribbling nozzle device for directing the powder from said conveyor device to cleanly fill the container, said anti-dribbling nozzle device including a nozzle member having a first end connected to said discharge end of said conduit member and a second and opposite end for dispensing moving powder Into the container, said anti-dribbling nozzle device including means for selectively applying and stopping positive air pressure and alernatively applying negative pressure to walls of said nozzle member and a post-cutoff controllable vibrator assembly for selectively enabling clean cutoff of powder flowing into the container without post-cutoff dribbling.