Filaments having changeable shape for a toy or accessory
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United States of America Patent
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Sep 29, 2020
Grant Date -
N/A
app pub date -
Jul 12, 2019
filing date -
Jul 20, 2018
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Abstract
Hair for a doll, toy or a wearable item is reversibly stylable. The hair can change between straight and curly hair by subjecting the hair to a change of temperature. This temperature change can be by the application of heat, coolness or cold. In one form, then, straighten of curved doll hair filaments is through hot air or hot water. (38-40 degrees). A doll figure can include auto fitting smart hair filaments for practicing the method. Pulling straight doll hair turns the hair to curly. Straightening is affected through heat. The doll has hair filaments which are formed by shape memory plastic material.
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Family
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