Dispensing – Supply containers with traps – With trap chamber cutoffs
Patent
1974-10-18
1976-06-22
Aegerter, Richard E.
Dispensing
Supply containers with traps
With trap chamber cutoffs
141198, 222373, 222457, 251325, G01F 1128
Patent
active
039646505
ABSTRACT:
A bag filling machine has a closed chamber with an inlet valve. The inlet valve includes an outer casing and a slidably mounted inner chamber which, when in its lower position, extends down into the chamber to limit the level of the material passing through aligned openings in the two casings. When the inner casing slides upwardly, the inner casing serves as a gate to cut off the flow of material and at the same time the upward movement of the lower edge of the inner casing permits the material within it to drop down into the chamber. A felt liner is disposed between the two casings.
REFERENCES:
patent: 2128734 (1938-08-01), Schmidt
patent: 3633692 (1972-01-01), Lau
patent: 3831643 (1974-08-01), Lau
Aegerter Richard E.
Black Products Co.
Schmidt Frederick R.
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