FIG. 1 is a perspective view of a first sealing ring showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a right side view of thereof, a left side view being identical thereto;
FIG. 7 is an enlarged perspective view, observed from above thereof;
FIG. 8 is an enlarged plane view, observed from above thereof;
FIG. 9 is an enlarged cross-section view taken along the line 9-9 of FIG. 8 thereof;
FIG. 10 is a perspective view of a second sealing ring showing our new design;
FIG. 11 is a top plan view thereof;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a front view thereof;
FIG. 14 is a rear view thereof;
FIG. 15 is a right side view thereof, a left side view being identical thereto;
FIG. 16 is an enlarged perspective view, observed from above thereof;
FIG. 17 is an enlarged plane view, observed from above thereof; and,
FIG. 18 is an enlarged cross-section view taken along the line 18-18 of FIG. 17 thereof.
The particular cross-hatching patterns in FIGS. 9 and 18 do not represent any particular materials.
The environmental structures shown in FIGS. 1-6 and 10-15 depict unclaimed environmental subject matter.