MONOFILAMENT FOR BRUSH AND METHOD FOR PRODUCING MONOFILAMENT FOR BRUSH

PROBLEM TO BE SOLVED: To provide a monofilament capable of being used as a bristle for a tooth brush. SOLUTION: Each monofilament has a diameter within a range of 0.0025-0.012 inch, and a six-follicles or eight-follicles shape. The monofilament is produced by a step for extruding two or more thermop...

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Bibliographische Detailangaben
1. Verfasser: RACKLEY ROBERT L
Format: Patent
Sprache:eng
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