Dispensing – Supply containers with traps – With trap chamber cutoffs
Patent
1976-08-30
1978-07-25
Reeves, Robert B.
Dispensing
Supply containers with traps
With trap chamber cutoffs
222449, 222452, G01F 1128
Patent
active
041024770
ABSTRACT:
A device for dispensing a free-flowing particulate substance comprises a chamber having a normally open inlet and a normally closed outlet. The substance is dispensed by substantially simultaneously opening the outlet of the chamber and closing the inlet of the chamber. A wall of the chamber may be moveable to set positions relative to the remaining stationary walls of the chamber to vary the volume of the chamber and thereby dispense various desired quantities of substance.
REFERENCES:
patent: 1401412 (1921-12-01), Klein
patent: 2059135 (1936-10-01), Moe
patent: 2748995 (1956-06-01), Hightower et al.
Reeves Robert B.
Skaggs H. Grant
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