Device and method for discharging dry materials from storage...

Details Device and method for discharging dry materials from storage... Device and method for discharging dry materials from storage...

2004-09-14

2008-10-07

Kaufman, Joseph A. (Department: 3754)

Dispensing

With casing or support

For bottom discharge dispenser supported on horizontal surface

C222S195000

Reexamination Certificate

active

07431180

ABSTRACT:
An apparatus for discharging dry bulk material by aeration having a substantially annular flexible aeration liner supported by a substantially cone-shaped perforated hopper, which is affixed to an air disc assembly, whereby air introduced into the air disc assembly is distributed evenly through the perforated hopper that supports the aeration liner that tends to fluidize dry bulk material, thereby allowing the material to discharge.

REFERENCES:
patent: 3708209 (1973-01-01), Dugge
patent: 4413758 (1983-11-01), Walters
patent: 4846377 (1989-07-01), Fix et al.
patent: 5096096 (1992-03-01), Calaunan
patent: 5603359 (1997-02-01), Geiser

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