Method of manufacturing of brushes, in particular, tooth brushes
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United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Apr 6, 1994
filing date -
Apr 6, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The method of manufacturing brushes, in particular, tooth brushes, includes injection molding of the brush body, together with the brush head having a plurality of openings for receiving bristle bundles and a recess defining a back surface of the brush head, inserting into the opening finished bristle bundles and fusing the ends of the bristle bundles projecting from the back surface of the brush head, and filling thereafter the brush head recess with a plastic material.
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Family
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