Packing Ring for Tubes and Pipes

FIG. 1 is a perspective view of a packing ring for tubes and pipes;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the packing ring for tubes and pipes that form no part of the claimed design.