Thermo-chromatic detergent level indicator

G - Physics – 01 – F

Patent

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Details

G01F 23/22 (2006.01) A47L 15/44 (2006.01) B01F 1/00 (2006.01) B65D 25/26 (2006.01) G01F 17/00 (2006.01)

Patent

CA 2169184

Disclosed is an indicator (15, 35) for determining the level of contents in an opaque, plastic container (10). The container (10) is filled with a solid chemical (11), such as a detergent. A spray of warm or hot water (19) impinges upon the eroding surface (16) of the solid chemical (11) to produce a chemical solution. The container (10) is provided with a thermochromatic strip (15, 35) for detecting the level of solid chemical (11) within the plastic capsule (10). A method of dispensing a solid chemical (11) and a dispensing container (10) are also disclosed.

Indicateur (15, 35) permettant de déterminer le niveau du contenu d'un récipient opaque (10) en matière plastique. Le récipient (10) est rempli d'un produit chimique solide (11) tel qu'un détergent. Une pulvérisation d'eau tiède ou chaude (19) heurte la surface d'érosion (16) du produit chimique solide (11) pour produire une solution chimique. Le récipient (10) est pourvu d'une bande thermochromique (15, 35) permettant de détecter le niveau du produit chimique solide (11) à l'intérieur de la cartouche en matière plastique (10). Un procédé de distribution d'un produit chimique solide (11) et un récipient distributeur (10) sont également décrits.

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