FIG. 1 is a top perspective view of a first embodiment of a sealing ring showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is an enlarged view of portion 8 of FIG. 3;
FIG. 9 is a cross-sectional view thereof taken along section line 9-9 of FIG. 8;
FIG. 10 is a top perspective view of a second embodiment of a sealing ring showing my new design;
FIG. 11 is a bottom perspective view thereof;
FIG. 12 is a top view thereof;
FIG. 13 is a bottom view thereof;
FIG. 14 is a front view thereof;
FIG. 15 is a right side view thereof;
FIG. 16 is a left side view thereof;
FIG. 17 is an enlarged view of portion 17 of FIG. 12; and,
FIG. 18 is a cross-sectional view thereof taken along section line 18-18 of FIG. 17.
The broken lines shown in the drawings illustrate portions of the sealing ring that form no part of the claimed design.