Method of forming brush with integral holder
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United States of America Patent
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-
Jan 3, 1989
Grant Date -
N/A
app pub date -
Sep 29, 1986
filing date -
Sep 29, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of forming a brush from a plurality of thermoplastic bristle filaments. The steps of the method include inserting the plurality of thermoplastic bristle filaments into a hollow mold tube, moving a hole former pin into a first end of the bristles, and heating the mold tube adjacent the first end of said bristles to melt the first end of the thermoplastic bristle filaments around the pin. The steps also includes cooling the mold tube, extracting the first end of the filaments out of the mold tube and extracting the pin out of the first end of said bristle filaments, whereby a brush having a hollow brush holder is formed for use.
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