Method for producing toothbrushes covered with bristles in an anchor-free manner

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9173480
APP PUB NO 20130333132A1
SERIAL NO

13952017

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The tips of pointed bristles are mechanically processed in order to remove any corroded threads or residual threads from the tip. Mechanically processed pointed bristles are fed to a receptacle recess of a tool in bundles, and aligned by means of a pin guided in the receptacle recess. The pointed bristles are pushed through the passage of the bristle carrier plate, and the end section are subsequently melted by means of a heating die in order to attach the pointed bristles to the bristle carrier plate. The mechanical processing of the tips of the bristles enables an error-free further processing of the pointed bristles utilizing the bristling method, particularly the AFT method.

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Patent Owner(s)

  • TRISA HOLDING AG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Loetscher, Jost Bueron, CH 2 32
Trevisan, Oskar Reussbuhl, CH 9 119

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