FIG. 1 is a front view of a first embodiment of the expandable ring, in unexpanded condition, showing my new design;
FIG. 2 is a front view thereof, in partially expanded condition;
FIG. 3 is a front view thereof, in partially expanded condition;
FIG. 4 is a front view thereof, in fully expanded condition;
FIG. 5 is a front top right perspective view thereof, in unexpanded condition;
FIG. 6 is a front top right perspective view thereof, in partially expanded condition;
FIG. 7 is a front top right perspective view thereof, in partially expanded condition;
FIG. 8 is a back top left perspective view thereof, in unexpanded condition;
FIG. 9 is a top view thereof, in unexpanded condition;
FIG. 10 is a bottom view thereof, in unexpanded condition;
FIG. 11 is a right/left view thereof, in unexpanded condition;
FIG. 12 is a bottom front perspective view thereof, in unexpanded condition;
FIG. 13 is a top front perspective view thereof, in fully expanded condition;
FIG. 14 is a bottom front perspective view thereof, in fully expanded condition;
FIG. 15 is a front view of a second embodiment of the expandable ring, in unexpanded condition;
FIG. 16 is a front view thereof, in partially expanded condition;
FIG. 17 is a front view thereof, in partially expanded condition;
FIG. 18 is a front view thereof, in fully expanded condition;
FIG. 19 is a front top right perspective view thereof, in unexpanded condition;
FIG. 20 is a front top right perspective view thereof, in partially expanded condition;
FIG. 21 is a front top right perspective view thereof, in partially expanded condition;
FIG. 22 is a back top left perspective view thereof, in unexpanded condition;
FIG. 23 is a top view thereof, in unexpanded condition;
FIG. 24 is a bottom view thereof, in unexpanded condition;
FIG. 25 is a right/left view thereof, in unexpanded condition;
FIG. 26 is a bottom front perspective view thereof, in unexpanded condition;
FIG. 27 is a top front perspective view thereof, in fully expanded condition;
FIG. 28 is a bottom front perspective view thereof, in fully expanded condition;
FIG. 29 is a front view of a third embodiment of the expandable ring, in unexpanded condition;
FIG. 30 is a front view thereof, in partially expanded condition;
FIG. 31 is a front view thereof, in partially expanded condition;
FIG. 32 is a front view thereof, in fully expanded condition;
FIG. 33 is a front top right perspective view thereof, in unexpanded condition;
FIG. 34 is a front top right perspective view thereof, in partially expanded condition;
FIG. 35 is a front top right perspective view thereof, in partially expanded condition;
FIG. 36 is a back top left perspective view thereof, in unexpanded condition;
FIG. 37 is a top view thereof, in unexpanded condition;
FIG. 38 is a bottom view thereof, in unexpanded condition;
FIG. 39 is a right/left view thereof, in unexpanded condition;
FIG. 40 is a bottom front perspective view thereof, in unexpanded condition;
FIG. 41 is a top front perspective view thereof, in fully expanded condition; and,
FIG. 42 is a bottom front perspective view thereof, in fully expanded condition.
The broken lines shown in the drawings illustrate portions of the expandable ring that form no part of the claimed design.