Timed drop applicator

Details Timed drop applicator Timed drop applicator

1973-12-14

1976-03-02

Tollberg, Stanley H.

Dispensing

With wick or absorbent material feed

222420, B67D 300

Patent

active

039412830

ABSTRACT:
Arrangements are disclosed for dispensing liquid in droplet form at timed intervals from a receptacle defining a liquid reservoir. The receptacle includes openings at opposite ends thereof defined in part by integral externally threaded neck portions. One of the openings is employed to fill the receptacle and control the venting of the interior of the receptacle to atmosphere, thus to control stopping and starting of drop dispensing. The other of the openings is a dispensing opening including dispensing and timing means through which liquid in the receptacle is dispensed and by which the rate of drop dispensing is controlled. Absorbent material may be supported beneath the receptacle to receive drops dispensed therefrom to facilitate evaporation of the liquid, and fan means may be associated with the receptacle and absorbent material to further facilitate evaporation of the liquid and entrainment of odoriferous vapors from the liquid into the moving airstream caused by fan operation.

REFERENCES:
patent: 118194 (1871-08-01), Burson
patent: 762316 (1904-06-01), Kelsey
patent: 1171737 (1916-02-01), Madigan
patent: 2406746 (1946-09-01), Davis
patent: 2520056 (1950-08-01), Pozun

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