Thermally color-changeable toy
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United States of America Patent
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Feb 10, 1998
Grant Date -
N/A
app pub date -
Jun 14, 1996
filing date -
Jun 16, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a thermally color-changeable toy constituted by a thermally color-changeable article, and a color-changing device in which the color-changeable article is stored in a air cooling chamber so that the color of the thermally color-changeable article is thermally changed by cool air. The color-changing device is constituted by a cooling source chamber for storing therein a plurality of piled up cool blocks, the air Cooling chamber communicating with the cooling source chamber so as to circulate air, and an air blower disposed in a communication path between the cooling source chamber and the air cooling chamber. Air flow gaps are formed among the cool blocks so as to improve the cooling efficiency.
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