Method and apparatus for controlling dispensing of powdered compositions

摘要: Method and apparatus for controlling dispensing of ''dry'' powdered compositions particularly carpet cleaning wherein the confined finely divided particles descend in a stream under gravity have oscillatory movement imparted thereto next before discharge through an orifice leading therefrom so as to agitate, separate propel therethrough case operations depositing discharged onto surface fibres substantially uniform pattern thereover followed by working same into application rotary brush or beater (78) thereafter recovering residues suitable suction vacuum unit utilizing associated two stage cyclone separator (14).