Dispensing – With recorder – register – indicator – signal or exhibitor
Patent
1980-06-30
1982-06-22
Tollberg, Stanley H.
Dispensing
With recorder, register, indicator, signal or exhibitor
B67D 522
Patent
active
043358330
ABSTRACT:
A soap solution dispenser for use in public and private lavatories, washrooms and so forth, has a refill cartridge for aqueous soap solution. This exchangeable refill or supply cartridge has a flexible connecting member mounted upon a hollow plug element of a solution level indicator. During use of the dispenser, first the cartridge is emptied, then the solution level indicator, and only then a reservoir within the dispenser. Thus, the contents of the cartridge can be used up completely, while the dispenser still remains operative because of the reservoir volume, until such time as the cartridge can be conveniently replaced. For higher contrast indication of the solution level, the indicator can contain an optical body or element which is immersed in the soap solution. The optical element only becomes totally internal reflecting when the refill cartridge is empty. Prisms can be provided so as to optimize the use of existing sources of light, and optical filters can be employed for an indication in color.
REFERENCES:
patent: 1886288 (1932-11-01), McDow
patent: 2319244 (1943-05-01), Cascio et al.
patent: 3120125 (1964-02-01), Vasel
patent: 3531021 (1970-09-01), Bassett
patent: 3709433 (1973-01-01), Oberfell et al.
patent: 4053002 (1977-10-01), Ludlow
patent: 4214676 (1980-07-01), Cassia
Europtool Trust
Kleeman Werner W.
Tollberg Stanley H.
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