Friction stir welding tool

FIG. 1 is a front view of a friction stir welding tool of the present invention.

FIG. 2 is a rear view of the friction stir welding tool of FIG. 1 .

FIG. 3 is a top plan view of the friction stir welding tool of FIG. 1 .

FIG. 4 is a bottom view of the friction stir welding tool of FIG. 1 .

FIG. 5 is a right side view of the friction stir welding tool of FIG. 1 .

FIG. 6 is a left side view of the friction stir welding tool of FIG. 1 .

FIG. 7 is a perspective view of the friction stir welding tool of FIG. 1 .

FIG. 8 is an enlarged VIII-VIII sectional view of the I-I portion of the friction stir welding tool of FIG. 1 ; and,

FIG. 9 is a reference enlarged view of the II-II portion of the friction stir welding tool of FIG. 7 .

The features shown in broken lines depict environmental subject matter only and form no part of the claimed design.