Device for the production of brushes and brush
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United States of America Patent
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Dec 17, 2013
Grant Date -
Mar 15, 2012
app pub date -
Sep 7, 2011
filing date -
Sep 9, 2010
priority date (Note) -
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Abstract
A device (17) for the production of brushes (1, 1a) that have a twisted carrier part (3) made from wire sections (2) with a set of bristles (4) and a handle-side and/or a head-side overmolding (5, 6) has an injection molding tool for holding and for the overmolding of the head-side or handle-side end region of a brush pre-form (32). The tool has a mold part (33) with a passage (13) for the end region. In this way, a mechanism (20) for the attachment or introduction of a sealing element (7) is provided on the carrier part (3), wherein this sealing element (7) is arranged in the region of the passage (13) for the overmolding and seals this passage.
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