Pneumatic dispensing apparatus for finely divided dry substances

Details Pneumatic dispensing apparatus for finely divided dry substances Pneumatic dispensing apparatus for finely divided dry substances

1975-06-02

1977-03-22

Reeves, Robert B.

Dispensing

Jarring and/or vibrating

Hand manipulable shaker type

222200, 222231, 222233, 222414, 302 37, 302 56, B65G 5340

Patent

active

040131963

ABSTRACT:
A portable pneumatic dispenser wherein a bulk of finely divided dry substance, such as powdered or granulated industrial and agricultural chemicals, is deposited in a funnel-shaped hopper from which it flows downwardly to a suitable distribution outlet under concurrently acting forces of gravity, suction and agitation.

REFERENCES:
patent: 339468 (1886-04-01), Rand
patent: 707992 (1902-08-01), Warner
patent: 1406233 (1932-02-01), Skeldon
patent: 2031820 (1936-02-01), Crawford
patent: 2533538 (1950-12-01), Uhrenholdt
patent: 2771223 (1956-11-01), Ryan
patent: 3140677 (1964-07-01), Fraser
patent: 3637135 (1972-01-01), Luderer et al.
patent: 3824937 (1974-07-01), Turner et al.

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