Powder dispensing apparatus

摘要

An apparatus for and method of dispensing a powderlike material by gravity with substantial uniformity and a minimum contamination of the immediate environment is provided wherein the apparatus comprises a substantially horizontally disposed tubular body having opening means through a bottom portion thereof and conveying means moveable within the body for moving the powder-like material over the opening means enabling gravity flow therethrough and wherein the conveying means comprises a flexible conveying device which is moveable through the tubular body and a plurality of flights fastened in spaced relation on the device for engaging and moving the powder-like material along the tubular body and over the opening means.