PROCEDIMENTO ED APPARECCHIO PER PRODURRE STRATI DI FIBRE ASCIUTTE SU UNA SUPERFICIE DI FORMATURA

摘要

The invention relates to a method and an apparatus for producing layers of dry fibres and/or particles on a forming surface pervious to air. According to the invention, the material is distributed in air and passed to a forming unit where a turbulence with high intensity is effected in that air is injected through separate nozzles.