Sealed carton

Claim 1

A PAPERBOARD CARTON HAVING A BODY INCLUDING ANGULARLY DISPOSED SIDE WALLS AND INNER AND OUTER END CLOSURE FLAPS FOLDABLY CONNECTED TO SAID SIDE WALLS ON LINES OF FOLD AND ADAPTED, WHEN IN FOLDED RELATION, TO FORM AN END WALL CLOSURE ANGULARLY DISPOSED TO SAID SIDE WALLS, ALL OF SAID WALLS AND FLAPS BEING FREE OF ANY EXTERIOR SURFACE COATING OTHER THAN THAT INCIDENT TO NORMAL ORNAMENTATION; AND MEANS FOR JOINING SAID FLAPS IN SIFT-PROOF AND VERMIN-PROOF ASSEMBLY WITH RESPECT TO SAID BODY, COMPRISING A PERMANENTLY SETTING ADHESIVE INTERPOSED BETWEEN AND SERVING TO EFFECT RETENTION OF MATING SURFACES OF CERTAIN OF SAID INNER AND OUTER FLAPS IN END WALL-FORMING RELATION, AND A PLASTIC SEALING MATERIAL DISPOSED IN STRIP FORM AT MARGINAL PORTIONS ONLY OF SAID OUTER FLAPS AND HAVING THE PROPERTY OF RETAINING ITS PLASTICITY IN THE PRESENCE OF ALL ATMOSPHERIC CONDITIONS TO WHICH THE SEALED CARTON MAY NORMALLY BE SUBJECTED, EACH MARGINAL PORTION TO WHICH SUCH SEALING MATERIAL IS APPLIED FORMING THAT PART OF THE END WALL PERIPHERY EXTENDING FROM THE LINE OF FOLD OF ONE OF SAID OUTER FLAPS TO THE LINE OF FOLD OF THE OTHER OF SAID OUTER FLAPS, SAID SEALING MATERIAL, IN THE PRESENCE OF PRESSURE APPLIED DURING THE FLAP SEALING OPERATION AND THE COACTION OF THE CLOSURE FLAPS AND PROXIMATE PORTIONS OF THE SIDE WALLS INCIDENT TO SUCH APPLICATION OF PRESSURE, BEING DISPOSED IN SEALING RELATION TO THE SAID MARGINAL PORTIONS OF SAID END FLAPS AND COMPLETELY FILLING ANY VOIDS ADJACENT TO SAID MARGINAL PORTIONS AT THE JUNCTURE OF THE CARTON END WALL CLOSURE AND SIDE WALLS.