Single filament end portion chemical rounding method, brush filament manufacturing method and brush filament manufactured thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DUPONT XINGDA FILAMENTS
- Publication Date
- 2007-03-14
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a method for chemically rounding the ends of a monofilament, a monofilament produced by the method and a toothbrush filament produced by the monofilament. The invention also relates to a method for manufacturing brush filaments with different shapes at both ends, and the brush filaments manufactured by the method. The filaments can be directly used as toothbrush filaments. Background technique
[0002] Brushes are common production and daily necessities. The most important part of the brush is neither the handle nor the head, but the filaments planted on the head. The main part of the brush filament is at its end again, because the brush filament end directly contacts the surface that needs cleaning or treatment, such as the brush filament of a toothbrush will directly contact teeth, gums and gingival sulcus.
[0003] It is known that the shape of the ends of the filaments affects the performance of the various functions of ...