Cap for a Reaction Vessel or the Like

FIG. 1 is a top, left perspective view of a cap for a reaction vessel or the like, showing the cap in an upright configuration, in accordance with the present invention; FIG. 2 is a bottom, right perspective view thereof; FIG. 3 is a top plan view thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 is a front elevation view thereof, the rear, right, and left elevation views being identical to the front elevation; FIG. 6 is a top, left perspective view of the cap for a reaction vessel or the like in an inverted configuration; FIG. 7 is a bottom, right perspective view thereof; FIG. 8 is a top plan view thereof; FIG. 9 is a bottom plan view thereof; and, FIG. 10 is a front elevation view thereof, the rear, right, and left elevation views being identical to the front elevation.