Rail welding machine

[0001]FIG. 1 is a top, front and right side perspective view of a rail welding machine showing our new design;

[0002]FIG. 2 is a top, front and left side perspective view thereof;

[0003]FIG. 3 is a front elevational view thereof;

[0004]FIG. 4 is a rear elevational view thereof;

[0005]FIG. 5 is a left side view thereof;

[0006]FIG. 6 is a right side view thereof;

[0007]FIG. 7 is a top plan view thereof;

[0008]FIG. 8 is a bottom plan view thereof;

[0009]FIG. 9 is an enlarged view of portion 9 in FIG. 1;

[0010]FIG. 10 is an enlarged view of portion 10 in FIG. 1;

[0011]FIG. 11 is an enlarged view of portion 11 in FIG. 2; and,

[0012]FIG. 12 is an enlarged view of portion 12 in FIG. 2.

[0013]The evenly dashed broken lines in the drawings illustrate portions of the rail welding machine which form no part of the claimed design.

[0014]The unevenly dashed broken lines illustrate the boundary of the enlarged view and form no part of the claimed design.