Closures

Claim 1

A CLOSURE FOR A BOTTLE HAVING AN UPPER PORTION GENERALLY CIRCULAR IN CROSS SECTION AND COMPRISING AN INTERIOR THROAT EXTENDING TO AN ANNULAR TOP PORTION AND THEN TO A BULBOUS PORTION HAVING AN UNDERCUT LOCKING LEDGE THEREBENEATH, SAID CLOSURE BEING FORMED OF PLASTIC AND COMPRISING, AS INTEGRALLY FORMED COMPONENTS, A TOP PORTION TO OVERLIE THE TOP PORTION OF THE BOTTLE, A PERIPHERAL SKIRT DEPENDING FROM THE CLOSURE TOP PORTION TO BE TELESCOPED OVER THE BULBOUS PORTION OF THE BOTTLE, A LOCKING LIP CANTED DOWNWARDLY AND INWARDLY FROM THE LOWER END OF THE SKIRT AND TERMINATING IN A CIRCULAR OUTLINE LARGER THAN THE TOP PORTION OF THE BOTTLE AND SMALLER THAN THE BULBOUS PORTION THEREOF, WHEREBY THE LOCKING LIP WIL BE FOLDED TO AN ESSENTIALLY UPRIGHT POSITION AS THE SKIRT IS TELESCOPED OVER THE BULBOUS PORTION OF THE BOTTOLE, THE LENGTH OF SAID LIP BEING SUCH TO ENGAGE THE LOCKING LEDGE, A CONVERGING SEALING CONE DEPENDING FROM THE UNDERSURFACE OF THE CLOSURE TOP PORTION TO BE INSERTED INTO THE INTERIOR THROAT OF THE BOTTLE, SAID CORE BEING OPEN ENDED WITH A RELATIVELY THIN WALL TO PROVIDE A PRESSURE ASSIST SEAL WITH A WIDE RANGE OF INTERIOR THROAT DIAMETERS, A LIFT TAB PROJECTING LATERALLY AND OUTWARDLY OF SAID SKIRT, AND A SPACING RIB ON THE INNER SURFACE OF SAID SKIRT ADJACENT SAID LIFT TAB, SAID SPACING RIB BEING ENGAGEABLE WITH THE MAJOR DIAMETER OF THE BULBOUS PORTION OF THE BOTTLE, WHEREBY FINGER PRESSURE OR THE LIKE ON THE LIFT TAB WILL TILT THE CLOSURE FROM THE BOTTLE WITH THE LOCKING LIP REMAINING IN ITS UPRIGHT POSITION.