A container closure includes a shell attachable to a container around a container opening thereof. The shell has a shell opening in fluid communication with the container opening when the shell is attached to the container. A tip is received on the shell movable between a closed position sealing the shell opening and an open position. A cover is releasably attached to the shell in a manner indicative of the tip being positioned in the closed position when the cover is attached to the shell. The cover includes rib engaging ribs for maintaining the cover tip and shell in proper alignment when the cover is attached to the shell.
CROSS REFERENCE TO RELATED APPLICATIONS
This application claims the benefit of U.S. Provisional Patent Application Ser. No. 60/345,312, filed Jan. 2, 2002, entitled "Anti-Leak Dust Cover and Closure Used Therewith", which is incorporated herein by reference.
