Method for molding shape of bristles of mascara brush for eyelashes, mold used in the method, and mascara brush molded by the method
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United States of America Patent
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Nov 14, 2017
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app pub date -
Jun 28, 2011
filing date -
Dec 17, 2010
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Abstract
The present invention relates to a method for molding a shape of bristles of a mascara brush for eyelashes, a mold in used in the method. Two strands of iron cores are twisted and brush bristles respectively having dorsal portions are radially spread between the twisted iron cores through post-process so as to form a mascara brush, wherein the dorsal portions are formed by the brush bristles of the same length on the basis of the iron cores without difference in the length of the brush bristles, so that a mascara solution contained in the dorsal portion does not run down when being applied to eyelashes, and the mascara provides more volume and a beautiful eyelash make-up when a sufficient amount of the mascara solution is applied.
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