Handle configuration for brush production by fusion
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United States of America Patent
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Jun 22, 2004
Grant Date -
Jun 13, 2002
app pub date -
Apr 17, 2001
filing date -
Dec 15, 1999
priority date (Note) -
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Abstract
A handle for use in production of brushes by fusion. The handle is injection molded with a set of pre-formed holes. Each hole contains, on its bottom surface, a protrusion of excess material. Bristles for the brush are heated to form a small fuse at their ends. When the fused ends are inserted into the holes, material from the protrusion flows around the fuses, retaining them in the holes upon cooling.
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