Pre-packaged material supply assembly

摘要: A material supply assembly for use with a spraying device, which includes housing of stiff comprising side wall having top end defining an opening into recess defined by the housing; and pre-filled container annular lip adapted to be positioned along wall, flexible portion fixed extend cavity in when is wall. The has inner surface cavity, quantity within portion. polymeric membrane extends across sealed retain cavity. also adapter through opening, at one transverse including peripheral part engagement on container, other engage inlet port liquid device. Means are provided securing therebetween. piercing structure projects from central distal pierce as engaged housing.