Method of producing bristles

Details Method of producing bristles Method of producing bristles

2006-03-21

2006-03-21

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

C264S103000, C264S129000, C264S138000, C264S151000, C264S171130, C264S173110, C264S173120, C264S177130, C427S002290, C427S293000, C427S421100, C427S434600

Reexamination Certificate

active

07014800

ABSTRACT:
Bristles for applying media are produced in that a filament, which can be cut into bristles, is extruded with a core which also determines the mechanical properties of the bristle. Cavities are formed at a separation from the center of the core and open towards the circumference of the filament which can be filled with medium from the outside, wherein the circumferential openings of the cavities are formed such that the medium is discharged only when the bristle is appropriately used. The cavities may also have a larger opening width and be covered by a layer or jacket. A bristle and brushes having such bristles produced in accordance with this method are also described.

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