Premeasuring dispenser secured to leakproof container closure assembly

Claim 1

IN A CARTON FOR FLOWABLE MATERIAL, A WALL COMPRISING: FIRST FOLDED AND SECOND FOLDED OVERLAPPING PANELS, SAID FIRST PANEL PROVIDED WITH A U-SHAPED OPEN CUT SECTION DEFINED BY A BASE EDGE, PARALLEL SIDE EDGES, AND END EDGES, SAID BASE EDGE BEING SPACED FROM AND PARALLEL TO THE FOLDED EDGE OF SAID FIRST PANEL, SAID PARALLEL SIDE EDGES BEING JOINED AT ONE END AT RIGHT ANGLES WITH SAID BASE EDGE SAID END EDGES BEING JOINED AT RIGHT ANGLES WITH THE OTHER ENDS OF SAID PARALLEL SIDE EDGES, SAID FIRST PANEL PROVIDED WITH A TAB LOCKING SLIT DEFINED BETWEEN AND PARALLEL TO SAID FOLDED EDGE AND SAID BASE EDGE, SAID SECOND PANEL COMPRISING A FRANGIBLE SECTION AND TWO END SECTIONS WHICH ARE JOINED TO SAID FRANGIBLE SECTION BY PERFORATED CUT LINES, SAID CUT LINES EXTENDING FORM AND IN A DIRECTION NORMAL TO THE FOLDED EDGE OF SAID SECOND PANEL TO THE EXTREME EDGE OF SAID SECOND PANEL, SAID CUT LINES BEING SEPARATED BY A DISTANCE LARGER THAN THE DISTANCE BETWEEN SAID PARALLEL SIDE EDGES OF SAID FIRST PANEL, SAID FRANGIBLE SECTION EXTENDING FROM SAID FOLDED EDGE OF SAID SECOND PANEL TO AN END EDGE, SAID FRANGIBLE SECTION PROVIDED WITH A SCORE LINE EXTENDING TRANSVERSELY BETWEEN SAID CUT LINES AND SPACED FROM SAID END EDGE DEFINING BETWEEN SAID SCORE LINE AND SAID END EDGE A MARGINAL FLANGE, SAID MARGINAL FLANGE PROVIDED WITH A TAB MEANS, SAID TAB MEANS, IN THE OVERLAPPING POSITION OF SAID FIRST AND SECOND PANELS, BEING IN REGISTER WITH SAID TAB LOCKING SLIT, SAID FRANGIBLE SECTION PROVIDED WITH A PREMEASURING DISPENSER UNIT SECURED TO SAID SECTION AND EXTENDING INTO SAID OPEN CUT SECTION OF SAID FIRST PANEL IN THE OVERLAPPING POSITION OF SAID PANELS, SAID DISPENSER UNIT INCLUDING A PAIR OF OPPOSED SIDE AND END WALLS TO CONTAIN A PREDETERMINED VOLUME, SAID SIDE WALLS BEING SECTOR SHAPED WITH THE CURVED OUTER EDGES THEROF ENGAGING SAID BASE EDGE AND WITH THE OUTERMOST SIDE EDGES THEREOF ENGAGING SAID PARALLEL SIDE EDGES THROUGHOUT THE PIVOTAL MOVEMENT OF SAID DISPENSER UNIT, SAID FIRST AND SECOND PANELS BEING BONDED TOGETHER IN OVERLAPPING RELATIONSHIP BY AN ADHESIVE IN THE AREA UNDER SAID END SECTIONS OF SAID SECOND PANEL AND BY COHESION IN THE REMAINING AREA OF SAID FIRST PANEL, WHEREBY SAID WALL IS HERMETICALLY SEALED UNTIL SAID FRANGIBLE SECTION IS INITIALLY PULLED AWAY FROM SAID FIRST PANEL, SEPARATING FROM SAID END SECTIONS ALONG SAID CUT LINES, ROTATING SAID DISPENSER UNIT THROUGH SAID OPEN CUT SECTION TO DESPENSE A PREDETERMINED VOLUME OF SAID FLOWABLE MATERIAL AND SAID WALL IS RESEALED IN A LEAKPROOF CONDITION UPON SAID FRANGIBLE SECTION BEING ROTATED TOWARD SAID FIRST PANEL AND SAID TAB BEING INSERTED INTO SAID TAB LOCKING SLIT.