Fluent material handling – with receiver or receiver coacting mea – With manipulation of flexible or collapsible receiver or supply
Reexamination Certificate
2007-11-13
2007-11-13
Douglas, Steven O. (Department: 3771)
Fluent material handling, with receiver or receiver coacting mea
With manipulation of flexible or collapsible receiver or supply
C141S391000, C222S181200, C414S403000
Reexamination Certificate
active
11320573
ABSTRACT:
An apparatus for unloading a comminuted material contained in a bag having means disposed at an upper end portion thereof for suspending the bag and a closable discharge outlet disposed at a lower end thereof generally consisting of a support means; and a hopper having an upper inlet functional for receiving the closable discharge spout portion of the bag when the bag is disposed in a suspended position above the hopper, a lower outlet communicable with a material conveying means, a side opening through which an operator may obtain access to a lower end of the bag inserted into the hopper, and a baffle extending downwardly and transversely from a wall section of the hopper, from and below the access opening, toward and short of a hopper wall disposed opposite the hopper wall provided with the access opening, providing a flow path of material introduced into the hopper for the hopper outlet.
REFERENCES:
patent: 4998991 (1991-03-01), Poulton
patent: 5531360 (1996-07-01), Berdel et al.
patent: 5944070 (1999-08-01), Schmidt et al.
patent: 5947333 (1999-09-01), Hoffmann et al.
patent: 6227408 (2001-05-01), Poulton
patent: 6666573 (2003-12-01), Grassi
patent: 6923340 (2005-08-01), Ambs
patent: 7063493 (2006-06-01), Pfeiffer et al.
Douglas Steven O.
Stevens Davis Miller & Mosher LLP
The Young Industries, Inc.
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