The ornamental design for a ring for sealing, as shown and described.
FIG. 1 is an upper front perspective view of a ring for sealing showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is an enlarged perspective cut away view of a portion of the ring for sealing shown in FIG. 1;
FIG. 4 is a top plan view thereof, with a bottom plan view thereof being identical;
FIG. 5 is a right side elevation view thereof, with a left side elevation view thereof being identical;
FIG. 6 is a cross section view of the ring for sealing shown in FIG. 1, as indicated in FIG. 2; and,
FIG. 7 is another cross section view thereof, as indicated in FIG. 2.
The ring for sealing depicted in FIGS. 1–7 has a non-circular cross section with a flattened part of the radial inside of the ring along the majority of the ring circumference. Two second portions each comprise a recess between two projections.