Dispensing carton for interfolded tissues

Claim 1

IN COMBINATION; A CARTON OF RELATIVELY RIGID, FORMSUSTAINING PAPERBOARD SHEET STOCK HAVING FLAT, GENERALLY RECTANGULAR TOP, BOTTOM, SIDE AND END WALLS; A STACK OF INTERLEAVED TISSUES DISPOSED THEREIN; SAID TOP WALL BEING PROVIDED WITH AN ELONGATE OPENING THEREIN EXTENDING LONGITUDINAL THEREOF AND CENTRALLY LOCATED IN SAID TOP WALL; THE EDGES OF SAID OPENING BEING SPACED SUBSTANTIAL DISTANCES INWARDLY FROM THE SIDES AND ENDS OF SAID TOP WALL AND SUBSTANTIAL DISTANCES OUTWARDLY FROM THE CENTER OF SAID TOP WALL; AND FLEXIBLE FILM MATERIAL CONSISTING OF THIN, LIGHTWEIGHT PLASTIC WHICH HAS A THICKNESS SUBSTANTIALLY LESS THAN THAT OF SAID TOP WALL AND UNDERLIES SAID TOP WALL; SAID FILM MATERIAL BEING BONDED TO THE UNDERSURFACE OF THE TOP WALL ABOUT EDGES OF SAID OPENING SO THAT THE FILM MATERIAL IS HELD BY SAID UNDERSURFACE AND SPANS SAID OPENING FROM END TO END; SAID FILM MATERIAL HAVING A PAIR OF MARGINS EXTENDING ADJACENT EACH OTHER