Patent ID: 7308990

Claim:
A cap for a bottle for an automated sprayer for spraying an enclosure with a liquid cleanser, the sprayer having a reservoir tray having an upwardly extending well suitable for supporting the bottle in an inverted orientation when the bottle is inserted in the tray, a spray head having an outlet orifice through which the cleanser from the bottle can be expelled if there is the liquid cleanser in the bottle, and a spring-loaded outlet valve that permits outflow of the cleanser from the spray head when the bottle is inserted in the tray and the cleanser is in the bottle, the cap comprising: a side wall; a transverse wall extending radially inwardly from the side wall, the transverse wall having a central piercable surface; and a plurality of segmented ridges spaced from each other by an air path slot there between and projecting axially upwardly, when the cap is upright and not inverted, from the transverse wall.