Process and apparatus for producing bristle tuft material and si

Details Process and apparatus for producing bristle tuft material and si Process and apparatus for producing bristle tuft material and si

1983-02-08

1989-02-14

Echols, P. W.

Brush, broom, and mop making

Processes

A46D 100

Patent

active

048042323

ABSTRACT:
In a process for producing bristle tuft material or separate bristles of plastic or synthetic resin for making sweeping brushes, brooms or housepainters' and artists' brushes, endless monofilaments are extruded and then directly wound on a bobbin or guided together in the form of tow, such tow then being twisted and cross wound onto a bobbin without end flanges so that, for a given diameter or size of bobbin, the material is less sharply bent, and will be less permanently curled when taken off the bobbin. Furthermore it is possible for a much greater length of endless monofilament material to be put in a single package so that less of the weight of such a package is made up by the weight of the bobbin. From the point of view of production engineering, there is the useful effect that the monofilaments or the twisted tow may be run off parallel to the axis of the cross wound package and the drawing off part of the brush making machine made of simpler design.

REFERENCES:
patent: 2317401 (1943-04-01), Penn-Gaskill Hall et al.

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