The ornamental design for a case for steamiron, as shown and described.
FIG. 1 is a perspective view of the top, front and left side of a case for steam iron showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a perspective view in the separated condition showing the transparent part thereof; and,
FIG. 9 is a cross sectional view thereof, taken along line 9—9 of FIG. 2, and is provided to clarify the exact contour of the exterior surface of the claimed design, and not to illustrate features of internal construction.