Dispensing unit of volatilizable substance capable of visible de

Details Dispensing unit of volatilizable substance capable of visible de Dispensing unit of volatilizable substance capable of visible de

1991-11-08

1993-01-19

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Slow diffusers

With empty or refill signal or indicator

239 55, 239 58, A61L 900

Patent

active

051801078

ABSTRACT:
Described is a dispensing unit of a volatilizable substance capable of visible determination of its extent of use. The unit has a variably located centroid initially positioned proximate the geometric center point of the unit with the centroid moving downward when the unit is in use. As the volatilizable substance evaporates, a weight eccentrically located in the same place as the volatilizable substance angularly rotates about the "z" axis leaving its upper position and finally coming to rest at a lower position when the volatilizable material is used up. At least the final position is rendered visibly detectable by means of a simple sighting mechanism.

REFERENCES:
patent: 2251058 (1941-07-01), Kirkman
patent: 2642310 (1953-06-01), Meek et al.
patent: 2942786 (1960-06-01), Wenner et al.
patent: 3104816 (1963-09-01), Jaffe
patent: 3805995 (1974-04-01), Lebel et al.
patent: 3964684 (1976-06-01), Schimanski et al.
patent: 4258004 (1981-03-01), Valenzona et al.

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