PROCEDURE FOR THE MANUFACTURE OF BRUSH ITEMS AS WELL AS BRUSH ITEMS.

摘要

Procedure for the manufacture of articles of brushes with at least one support (6) and bristles (9) arranged in it, of a colable plastic material, the bristles of the plastic melt being obtained by injection molding in channels ( 71) which form the bristles, characterized in that - the support (6) is made of through holes (7) that act as spinning nozzles, and - the through holes (7), which are continued in the channels (71), have at least part of their height a minimum section of = 3 mm, - the relationship between this section and the flow path of the melt resulting from the height of the through holes (7) and the length of the channels (71) is chosen as = 1: 5, - the plastic melt is injected at least from one side of the support (6) - the feed side (3) of the melt - through the through holes (7) to the channels (71) forming the bristles (9).