Leakproof carton

Claim 1

A CONTAINER FOR ICE CREAM AND THE LIKE COMPRISING: (A) CONTIGUOUS, ARTICULATED COVER, REAR, BOTTOM AND FRONT WALL PANELS, (B) SAID FRONT AND REAR PANELS HAVING SIDE FLAPS ARTICULATED THERETO, (C) A PAIR OF BODY END PANELS ARTICULATED TO OPPOSITE ENDS OF SAID BOTTOM WALL PANEL, (D) SAID END PANELS BEING OF FULL CARTON DEPTH ONLY ALONG THE END EDGE PORTION THEREOF AND BEING OF LESS THAN FULL CARTON DEPTH ALONG CENTRAL BODY PORTIONS THEREOF, (E) SAID FULL DEPTH PORTIONS DEFINING A PAIR OF SEALING EARS ADJACENT TWO CORNERS OF EACH END OF THE CONTAINER, AND A RECESS THEREBETWEEN OF PREDETERMINED WIDTH, SAID RECESS BEING SUBSTANTIALLY ADJACENT AN EDGE OF THE CONTAINER, (F) A PAIR OF COVER END PANELS ARTICULATED TO OPPOSITE ENDS OF SAID COVER PANEL, (G) SAID COVER END PANELS HAVING SEALING PORTIONS OF FULL CARTON WIDTH AND HAVING FIRST CONVERGENT EDGES IMMEDIATELY ADJACENT SAID COVER FRONT PANEL, (H) SAID SEALING PORTIONS HAVING A PREDETERMINED DEPTH MEASURED FROM THE OUTER ENDS OF SAID FIRST CONVERGENT EDGES TO SAID COVER PANEL SUBSTANTIALLY EQUAL TO SAID DEPTHS OF SAID RECESS, (I) SAID COVER END PANELS HAVING SECOND CONVERGENT EDGES PROVIDING PREDETERMINED TONGUE PORTIONS EXTENDING FROM SAID SEALING PORTIONS AND HAVING A WIDTH AT THE INSECTION OF SAID FIRST AND SECOND CONVERGENT PORTIONS NOT GREATER THAN THE WIDTH OF SAID RECESS, (J) SAID CORNER SEALING EARS OVERLYING SAID SEALING PORTIONS AT THE UPPER CORNERS OF SAID CARTON AND COOPERATING THEREWITH TO FORM CORNER SEALS HAVING A PREDETERMINED EFFICIENCY, AND SAID TONGUE PORTIONS EXTENDING THROUGH SAID RECESSES AND OVERLYING SAID CENTRAL BODY PORTIONS, WHEREBY INWARDLY DIRECTED FORCES APPLIED TO SAID TONGUE PORTIONS TEND TO INCREASE THE EFFICIENCY OF SAID CORNER SEALS, AND (K) SAID SIDE FLAPS OVERLYING SAID COVER BODY END PANELS.