Dropper machine

Details Dropper machine Dropper machine

1983-02-08

1988-11-29

Rolla, Joseph J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

At least one nondispensing

222275, 184 24, B67D 508

Patent

active

047875348

ABSTRACT:
A first reservoir is provided for receiving a filling of the substance to be delivered, having a second reservoir superimposed thereon for receiving a filling of a lubricating substance. The reservoirs are traversed by tubular elements communicating at their upper ends with the second reservoir, each having apertures in an intermediate part for putting its interior into communication with the first reservoir and a dropper nozzle at its lower end. A plurality of pistons, each of which is slidable in a respective tubular element with a tolerance such as to achieve sealing without the need for washers, are movable between an upper position, allowing the substance to be delivered to flow into the tubular element, and a lower position causing the lower ends of the pistons to close to the dropper nozzle.

REFERENCES:
patent: 1407493 (1922-02-01), Stephens
patent: 1971542 (1934-08-01), Taylor
patent: 2765962 (1956-10-01), Perkins
patent: 2893078 (1959-07-01), Jahn et al.
patent: 3622048 (1971-11-01), Batlas
patent: 4396035 (1983-08-01), Maples

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