Brush head and method and tool for producing same
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United States of America Patent
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Sep 30, 2014
Grant Date -
Dec 20, 2012
app pub date -
Jun 14, 2012
filing date -
Jun 15, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A brush head, particularly a toothbrush head, may have a plurality of cleaning elements, in particular bristle tufts, which are anchored by an end section in a brush carrier, wherein the cleaning elements may be cast with positive engagement in blind-hole shaped retaining recesses. For producing such a brush head different cleaning elements may be placed successively or simultaneously in different mold cavities and may be over-molded using different plastic materials from which injection-molding sections of the bristle carrier are formed in the process. In doing so, a first cleaning element is over-molded in a first mold cavity using a first plastic material, while a second cleaning element is over-molded in a second mold cavity using a second plastic material.
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