I claim the ornamental design for a blowing machine, as shown and described.
FIG. 1 is a side view of the blowing machine, including a tubular air blower extension;
FIG. 2 is an enlarged partial front view of the design shown in FIG. 1;
FIG. 3 is a perspective rear view of the design shown in FIG. 1;
FIG. 4 is an enlarged partial perspective opposite side view of the design shown in FIG. 1;
FIG. 5 is a rear view of the design shown in FIG. 1; and,
FIG. 6 is an enlarged partial opposite side view of the design shown in FIG. 1.
Any surfaces of the design not shown, including interior or bottom surfaces, form no part of the claimed invention.
The broken line showing of details in FIGS. 1–6 is included for the purpose of showing environmental portions of the Blowing Machine and forms no part of the claimed design.