Dispensing – Fluid flow discharge – Open blast
Patent
1998-06-19
2000-06-13
Jacyna, J. Casimer
Dispensing
Fluid flow discharge
Open blast
222412, 222413, 222630, 406 61, B65D 8300
Patent
active
060738189
ABSTRACT:
Apparatus and methods for accurate delivery of relatively small quantities of powdered solid materials. Preferred apparatus comprise: a primary chamber having a lateral surface extending between a first open end and a second open end; a rotating member that is positioned within the primary chamber and extends from a first position within the primary chamber to a second position within the primary chamber; a motor coupled with the rotating member and adapted to effect rotation thereof; a feed chamber having a lateral surface extending between a first open end and a second open end; and an air flow chamber coupled with the primary chamber and having a lateral surface extending between a first open end and a second open end.
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Hershman Richard Joel
Rothenberg Simon J.
Wong Brian Alan
Genzyme Transgenics Corporation
Jacyna J. Casimer
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