Method and apparatus for the manufacture of brushware and...

Details Method and apparatus for the manufacture of brushware and... Method and apparatus for the manufacture of brushware and...

A - Human Necessities

46

D

A46D 3/00 (2006.01) A46B 3/20 (2006.01)

Patent

CA 2212721

Bristled articles comprise a rubber-elastic carrier having at least one recess accommodating a cluster of bristles which comprises at its fastening-side end a thickened portion which connects the bristles and whose cross-section is larger than that of the cluster and larger than the narrowest cross-section of the recess. The resilience of the carrier material is set as a function of the ratio of the cross-sections of the recess and thickened portion such that the cluster of bristles can be driven into the recess by a force acting on the thickened portion and, when the cluster of bristles has been driven in, the thickened portion is held in an interlocking manner as a result of resilient recovery of the bristle material. The length of the bristle cluster located in the carrier is tightly embraced thereby.

Ces brosses sont constituées par un support ayant l'élasticité du caoutchouc et présentant au moins un évidement pour le logement d'un faisceau de poils. Ce dernier présente, à son extrémité située du côté de la fixation, un épaississement qui relie les poils les uns aux autres et dont la section est supérieure à celle du faisceau et supérieure à la plus faible section de l'évidement. L'élasticité du matériau du support est ajustée, en fonction du rapport entre la section de l'évidement et celle de l'épaississement, de manière que le faisceau de poils puisse être enfoncé en force dans l'évidement, au moyen d'une force appliquée sur la partie épaissie, après quoi, du fait du retrait élastique du matériau des poils, la partie épaissie est maintenue en place par liaison de forme, et le faisceau de poils est enserré étroitement par le support, sur sa longueur insérée dans celui-ci.

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