A - Human Necessities – 47 – K
Patent
A - Human Necessities
47
K
73/173, 222/62,
A47K 5/12 (2006.01) G01F 23/02 (2006.01) G01F 23/292 (2006.01)
Patent
CA 1132812
ABSTRACT OF THE DISCLOSURE 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 indi- cation 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.
355443
Europtool Trust
Johnson & Hicks
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