Pouring nozzle with captive cap

Claim 1

IN A CONTAINER OF THE TYPE HAVING A POURING NOZZLE, A NOZZLE-TO-CONTAINER CONNECTION COMPRISING A CONTAIJNER END FORMED OF THIN SHEET MATERIAL NAD HAVING AN UPSTANDING CIRCULAR FLANGE DEFINING AN OPENING, SAID UPSTANDING CIRCULAR FLANGE TERMINATING IN A GENERALLY HORIZONTAL OUTWARDLY DIRECTED ANNULAR FLANGE HAVING A FREE EDGE, SAID NOZZLE INCLUDING AN INTEGRAL ANNULAR BASE, A TUBULAR EXTENSION EXTENDING DOWN FROM SAID BASE, AN INTEGRAL CIRCUMFERENTIAL FLANGE DEPENDING FROM SAID BASE LOCATED RADIALLY OUTWARDLY OF SAID TUBULAR EXTENSION AND CONCENTRIC THERETO TO DEFINE A DOWNWARDLY OPENING ANNULAR CHANNEL OF A WIDTH GREATER THAN THE THICKNESS OF SAID SHEET MATERIAL, AND AN INWARDLY DIRECTED ANNULAR SEAT FORMED IN THE UPPER PART OF SAID CIRCUMFERENTIAL FLANGE IN THE INNER SURFACE THEREOF, SAID UPSTANDING CIRCULAR FLANGE AND SAID OUTWARDLY DIRECTED ANNULAR FLANGE BEING SEATED IN SAID ANNULAR CHANNEL AND SAID FREE EDGE BEING SEATED ON SAID SEAT IN SEALED ENGAGEMENT THEREWITH, WHEREBY SAID FREE EDGE IS PROTECTED, SAID TUBULAR EXTENSION HAVING AN OUTWARDLY DIRECTED PROJECTION UNDERLYING SAID ANNULAR CHANNEL AND RETAINING SAID CONTAINER END FLANGES WITHIN SAID ANNULAR CHANNEL.