Respirator mouthpiece

FIG. 1 is a front perspective view of a respirator mouthpiece showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an enlarged cross sectional view taken along the line 5--5 of FIG. 3;

FIG. 6 is an enlarged cross sectional view taken along the line 6--6 of FIG. 3;

FIG. 7 is a front elevational view of the respirator mouthpiece showing a second embodiment, the differences from the first embodiment, the differences from the first embodiment being in the generally oval lip-engaging portions and in the external shapes of the main body portion;

FIG. 8 is a right side elevational view of FIG. 7;

FIG. 9 is a top plan view of FIG. 7; and

FIG. 10 is a bottom plan view of FIG. 7.