The ornamental design for a controlling apparatus for hotair blowing tool for melting solder, as shown and described.
FIG. 1 is a first perspective view of a controlling apparatus for hot air blowing tool for melting solder;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof; and,
FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 3 in which the internal mechanism is omitted thereof.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to unclaimed subject matter and are for illustrative purposes only; the broken lines form no part of the claimed design.