Bristles of an applicator produced in a laser milled mold
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United States of America Patent
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Mar 23, 2004
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app pub date -
Dec 18, 2001
filing date -
Sep 14, 1999
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Abstract
A method for injection molding a plastic applicator with a ball of bristles produced integrally with a support handle. The mold consists of two opposing parts. The mold is machined by means of a laser. The mold is laser drilled with gradually decreasing depths of bores from the midpoint of the mold parts outwardly.
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