Method for producing brushes and apparatus for performing said method
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United States of America Patent
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Oct 26, 2004
Issued Date -
N/A
app pub date -
Jun 20, 2002
filing date -
Dec 22, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for producing toothbrushes by way of injection molding is provided, wherein a brush body is formed in a mold cavity, bristle filaments are connected to the brush body for forming bristles, and at least one flexible element extending substantially in parallel with the bristle filaments is preferably formed by injection onto the brush body. The contouring and/or finishing of the bristle filaments can be carried out without any impairment by the flexible cleaning elements. During the finishing operation, the flexible cleaning element is removed from the operative area of the finishing tool.
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