Refillable bottle for the retail packaging of liquids

Claim 1

A PACKAGE FOR LIQUIDS COMPRISING A RIGID CONTAINER HAVING OPPOSITE ENDS AND INCLUDING A TAPERED NECK PORTION AT ONE END AND A REMOVABLE PORTION AT THE OTHER END, A CLOSED AND SEALED REFILL CONTAINER ADAPTED FOR CONTAINING A SUBSTANCE THEREIN, SAID REFILL CONTAINER HAVING A NORMAL PRE-FORMED SHAPE APPROXIMATELY CORRESPONDING TO THAT OF THE RIGID CONTAINER AND BEING MOVABLY DISPOSED WITHIN SAID RIGID CONTAINER, AND REFILL CONTAINER INCLUDING A TAPERED NECK PORTION WHICH IS LONGER THAN THAT OF THE RIGID CONTAINER, AND MEANS FOR ENGAGING SAID CONTAINERS TO DISPLACE THE SAME RELATIVE TO ONE ANOTHER TO CAUSE THE NECK PORTION OF THE REFILL CONTAINER TO BE URGED INTO CONTACT WITH THE NECK PORTION OF THE RIGID CONTAINER AND TO PROJECT THEREFROM, WHEREBY THE NECK PORTION OF THE REFILL CONTAINER CAN THEREAFTER BE SEVERED TO PERMIT DISPENSING THE CONTENTS THEREFROM, SAID NECK PORTION OF SAID REFILL CONTAINER HAVING A SCREW THREAD ON ITS OUTER SURFACE, SAID MEANS FOR ENGAGING SAID CONTAINER COMPRISING A CYLINDRICAL POSITIONING SLEEVE EXTENDING PARTIALLY INTO SAID NECK PORTION OF THE RIGID CONTAINER AND HAVING A SCREW THREAD ON ITS INNER SURFACE WHICH IS ENGAGED WITH SAID SCREW THREAD ON SAID NECK PORTION OF SAID REFILL CONTANER, SAID SLEEVE BEING ROTATABLY MOUNTED ON SAID RIGID CONTAINER WHEREBY UPON ROTATION THE SLEEVE OF SAID REFILL CONTAINER IS DISPLACED WITH RESPECT TO THE RIGID CONTAINER.