Vorrichtung zum Verteilen von pülverförmigen Materialen in einem vorherbestimmten Muster auf einen Träger

摘要

The apparatus for distributing powders on a support (2) in a predefined pattern comprises: a conveyor belt (1) for transporting the support (2); an applicator head (3) for applying the powders, located above the conveyor belt (1), which head (3) comprises a belt (4) exhibiting a plurality of perforations set out according to a predefined pattern and being of such dimensions as to allow passage of determined quantities of the powders; means for controlled supply of the powders to the head (3). The motion of the perforated belt (4) is correlated with a motion of the conveyor belt bearing and supplying the support (2).