stull

Claim 1

IN COMBINATION, A CONTAINER NECK HAVING ANNULAR INNER AND OUTER SURFACES AND A PLASTIC CLOSURE CAP CONSTRUCTION CARRIED BY THE CONTAINER NECK, SAID CAP CONSTRUCTION BEING CONSTITUTED OF, A MOLDED RESILIENT PLASTIC PIECE COMPRISING A CAP BODY PORTION AND A COOPERABLE STOPPER PORTION, SAID BODY PORTION HAVING MEANS ENGAGING THE EXTERIOR OF AND MOUNTING IT ON THE CONTAINER NECK AND HAVING AN ANNULAR INNER WALL ENGAGING THE INTERIOR OF THE CONTAINER NECK TO SEAL THEREAGAINST AND FURTHER HAVING A TRANSVERSE BOTTOM WALL CONNECTED TO AND DISPOSED INWARDLY OF THE LOWER PORTION OF THE INNER WALL AND TOGETHER THEREWITH DEFINING AN OUTWARDLY-OPENING RECESS, SAID BOTTOM WALL HAVING A DISCHARGE ORIFICE PORTION FOR DISPENSING THE CONTENTS OF A CONTAINER ON WHICH THE CAP CONSTRUCTION MAY BE CARRIED AND THE STOPPER PORTION HAVING A DEPENDING RESILIENT SEALING SKIRT RECEIVABLE IN SAID RECESS AND A SEALING PLUG CONCURRENTLY RECEIVABLE IN SAID ORIFICE PORTION WHEREBY A DOUBLE SEAL IS EFFECTED WHEN THE STOPPER PORTION IS IN PLACE ON THE CAP BODY PORTION, SAID ANNULAR INNER WALL HAVING A SEALING SURFACES ENGAGED WITH THE CONTAINER NECK AND DISPOSED CLOSELY ADJACENT THE SAID BOTTOM WALL FOR REINFORCEMENT THEREBY.