Process for joining bristle bundles to a plastic bristle carrier

Details Process for joining bristle bundles to a plastic bristle carrier Process for joining bristle bundles to a plastic bristle carrier

1991-08-21

1997-04-22

Han, Frances

Brush, broom, and mop making

Processes

264243, 425805, A46D 304

Patent

active

056224117

ABSTRACT:
A process for joining bristle bundles to a plastic bristle carrier, wherein the bristles of each bundle are melted at their fastening-side ends, accompanied by the formation of a thickened portion. The bristle carrier is provided at the bristle reception side with holes for receiving the thickened portions. The bristle bundles with the thickened portions are pressed into the bristle carrier, with a space above a bristle receiving side and between the bristle bundles, annularly surrounding the bristle area, being sealed against the bristle carrier, and with material rising during pressing on pressure application and filling the sealed area being displaced and compressed.

REFERENCES:
patent: 3408112 (1968-10-01), Piotrowski
patent: 4609228 (1986-09-01), Bickel
patent: 4633559 (1987-01-01), Loren
patent: 4637660 (1987-01-01), Weihrauch
patent: 4936633 (1990-06-01), Weihrauch
patent: 4988146 (1991-01-01), Weihrauch

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