Seal

FIG. 1 is front view of a first embodiment of a seal, the rear view being a mirror image of the front view;

FIG. 2 is a top plan view of the seal of FIG. 1 ;

FIG. 3 is a bottom plan view of the seal of FIG. 1 ;

FIG. 4 is a cross-sectional view of the seal of FIG. 1 taken along line 4 - 4 ;

FIG. 5 is an enlarged detail perspective view of the outer circumferential surface of the seal of FIG. 1 ;

FIG. 6 is front view of a second embodiment of the seal, the rear view being a mirror image of the front view;

FIG. 7 is a top plan view of the seal of FIG. 6 ;

FIG. 8 is a bottom plan view of the seal of FIG. 6 ;

FIG. 9 is a cross-sectional view of the seal of FIG. 6 taken along line 9 - 9 ;

FIG. 10 is an enlarged detail perspective view of the outer circumferential surface of the seal of FIG. 6 ;

FIG. 11 is front view of a third embodiment of the seal, the rear view being a mirror image of the front view;

FIG. 12 is a top plan view of the seal of FIG. 11 ;

FIG. 13 is a bottom plan view of the seal of FIG. 11 ;

FIG. 14 is a cross-sectional view of the seal of FIG. 11 taken along line 14 - 14 ;

FIG. 15 is an enlarged detail perspective view of the outer circumferential surface of the seal of FIG. 11 ;

FIG. 16 is front view of a fourth embodiment of the seal, the rear view being a mirror image of the front view;

FIG. 17 is a top plan view of the seal of FIG. 16 ;

FIG. 18 is a bottom plan view of the seal of FIG. 16 ;

FIG. 19 is a cross-sectional view of the seal of FIG. 16 taken along line 19 - 19 ;

FIG. 20 is an enlarged detail perspective view of the outer circumferential surface of the seal of FIG. 16 ;

FIG. 21 is front view of a fifth embodiment of the seal, the rear view being a mirror image of the front view;

FIG. 22 is a top plan view of the seal of FIG. 21 ;

FIG. 23 is a bottom plan view of the seal of FIG. 21 ;

FIG. 24 is a cross-sectional view of the seal of FIG. 21 taken along line 24 - 24 ; and,

FIG. 25 is an enlarged detail perspective view of the outer circumferential surface of the seal of FIG. 21 .

The dashed broken lines in the drawings represent portions of the seal that form no part of the claim. The dash-dot-dash broken lines define surface boundaries of the claim, and indicate cutoff boundaries for enlarged detail portion views that form no part of the claim.