Filling Machine

1 . 1 is a front view of a first embodiment of a filling machine, showing our new design; 1 . 2 is a top plan view thereof; 1 . 3 is a right side view thereof; 1 . 4 is a left side view thereof; 1 . 5 is a rear view thereof; 1 . 6 is a bottom plan view thereof; 2 . 1 is a front view of a second embodiment of a filling machine, showing our new design; 2 . 2 is a top plan view thereof; 2 . 3 is a right side view thereof; 2 . 4 is a left side view thereof; 2 . 5 is a rear view thereof; and 2 . 6 is a bottom plan view thereof. The broken lines in the figures illustrate portions of the filling machine that form no part of the claimed design.