Double-ended closure

FIG. 1 is a perspective view showing a double-ended closure according to a first embodiment of our design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a cross-sectional view thereof taken along line 5 — 5 of FIG. 2 ;

FIG. 6 is a perspective view of FIG. 5 ;

FIG. 7 is a side elevation view of the double-ended closure of FIG. 1 with an end of the double-ended closure fastened on a tube shown in broken lines;

FIG. 8 is a side elevation view of the double-ended closure of FIG. 1 with an other end of the double-ended closure fastened on a tube shown in broken lines;

FIG. 9 is a perspective view showing a double-ended closure according to a second embodiment of our design;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a side elevation view thereof;

FIG. 13 is a cross-sectional view thereof taken along line 13 — 13 of FIG. 10 ;

FIG. 14 is a perspective view of FIG. 13 ;

FIG. 15 is a side elevation view of the double-ended closure of FIG. 9 with an end of the double-ended closure fastened on a tube shown in broken lines; and,

FIG. 16 is a side elevation view of the double-ended closure of FIG. 9 with an other end of the double-ended closure fastened on a tube shown in broken lines.

Throughout the Figures, broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design.