Thermoelectric paint color changing apparatus

Details Thermoelectric paint color changing apparatus Thermoelectric paint color changing apparatus

1990-11-19

1992-08-11

Makay, Albert J.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

132118, 62 33, F25B 2102

Patent

active

051368501

ABSTRACT:
An apparatus for generating cold and hot for application selectively by contact on an object having a paint or coating whose color changes in response to cold and hot temperatures. The apparatus is easy to hold and handle with one hand while holding an object for application, e.g., a doll or toy car, in the other hand. The apparatus includes a battery powered thermoelectric device having a cold sink shaped to form a cold applicator for cooling the paint sufficiently to change its color, and a heat sink shaped to form a heat applicator for changing back the color. For a doll, the cold sink applicator is used to change, for example, the natural color of the lips and cheeks to a make-up color, and a heat sink shaped to form a comb for combing the doll's hair and a heat applicator for returning the natural color of the doll's lips and cheeks through heat application.

REFERENCES:
patent: 1376416 (1921-05-01), Forshee
patent: 3273347 (1966-09-01), Elfving
patent: 3274995 (1966-09-01), Eidus
patent: 3289749 (1966-12-01), Crump
patent: 3971229 (1976-07-01), Privas
patent: 4308013 (1981-12-01), Major
patent: 4930317 (1990-06-01), Klein

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