Cartridges for mixing machines

FIG. 1 is a perspective view of a cartridge for a mixing machine with the handle in the closed position showing the new design for a cartridges for mixing machines;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings are shown for illustrative purposes only and form no part of the claimed design. In addition, the surface shading illustrated in the drawings is provided merely to highlight contour of design; it is not intended to be illustrative of texture or gloss.