Combined flexible closure and pouring spout

Claim 1

IN COMBINATIN, A CONTAINER HAVING AN OPENING PROVIDED WITH AN EXTERNAL ANNULAR BEAD AND A COMBINATION CLOSURE AND POURING SPOUT CONSTRUCTED OF RESILIENT MATERIAL CAPABLE OF CONTRCTING AND EXPANDING, SAID POURING SPOUT COMPRISING A CYLINDRICAL BODY HAVING AND AXIAL FLANGE AND AN ANNULAR SKIRT ON ITS LOWER SIDE DEFINING AN ANNULAR GROOVE ADATPTED TO RECEIVE FIRMLY THEREIN THE EXTERNAL BEAD, AN AXIAL POURING OPENING IN SAID BODY, A POURING LIP PARTIALLY SURROUNDING SAID POURING OPENING AND EXTENDING UPWARDLY FROM THE UPPER SIDE OF AND INTERGRAL WITH SAID BODY, AN UPSTANDING ANNULAR FLANGE ON THE UPPER SIDE OF SAID BODY SPACED FROM SAID POURING LIP, SAID FLANGE HAVING A FLAT CHORDAL AREA ON ITS OUTSIDE CIRCUMFERENTIAL SURFACE, AND THE CLOSURE COMPRISING AN INVERTED SUBSTANTIALLY CYLINDRICAL CUP-SHAPED BODY THE PERIMETER WALL OF WHICH IS ADAPTED TO NEST OVER SAID UPSTANDING ANNULAR FLANGE, SAID WALL HAVING A FLAT CHORDAL AREA COINCIDENT WITH THE CHORDAL AREA OF THE FLANGE TO PREVENT RELATIVE ROTATION OF THE POURING SPOUT AND CLOSURE, MEANS INTERGRALLY CONNECTING SAID CLOSURE HINGEDLY TO SAID BODY AT A POINT DIAMETRICALLY OPPOSED TO THE FLAT CHORDAL AREA, AND AND AXIAL SLEEVE ON SAID CLOSURE FOR TELESCOPING INTO AND CLOSING THE POURING OPENING.