Valveless metering dispenser

Details Valveless metering dispenser Valveless metering dispenser

1981-08-31

1984-07-24

Rolla, Joseph J.

Dispensing

Processes of dispensing

222175, 222456, 222457, 239598, G01F 1126

Patent

active

044614004

ABSTRACT:
A valveless dispenser and method of operating the same is disclosed for first gravitatinally collecting a measured volume of granular material from an elevated supply source by moving the dispenser into a first position, and for thereafter discharging the measured volume of material while precluding discharge of unmeasured material from the tank by moving the dispenser to a second position. The dispenser includes a wand, a measuring chamber, and a discharge chute all communicating with each other at a junction and all having longitudinal axes lying in a common substantially vertical plane. In one embodiment the wand is twisted about its longitudinal axis between said two positions; and in the other embodiments the wand is swung in the vertical planes between said two positions while maintaining said axes substantially vertical.

REFERENCES:
patent: 1684313 (1928-09-01), Graham
patent: 2820577 (1958-01-01), Winters et al.
patent: 3391836 (1968-07-01), Hartley
patent: 4298038 (1981-11-01), Jennings

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