Brush for automatic motor vehicle washing systems

Details Brush for automatic motor vehicle washing systems Brush for automatic motor vehicle washing systems

A - Human Necessities

46

D

A46D 1/00 (2006.01)

Patent

CA 2400142

Disclosed is a brush for automatic motor vehicle washing systems, comprising a bristle supporting layer suitable for being attached to a rotating support, and brush bristle being made of an extruded closed cell foamed plastics material. The closed cell foamed plastics material is made of foamed polyethylene or polypropylene, the plastic material being foamed by using, as a foaming agent, a modified azodicarbonamide, dispersed in high fluidity polyethylene, in a rate from 1.5% to 2% by weight based on the cell foamed plastics material, and the plastic material is foamed at a temperature from 160°C to 190°C. The temperature can vary within 15%- with the resulting foamed plastics material bristles having a density from 300 to 700 kg/m3.

La présente invention concerne une brosse spécialement conçue pour des systèmes de nettoyage automatique de véhicules à moteur. Cette brosse comprend une couche (1) de support de poils pouvant être enroulée autour d'une barre. Cette invention se caractérise notamment en ce que ces poils (2) sont fabriqués par extrusion d'une matière plastique à alvéoles fermés.

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