Integral reclosable bag

Claim 1

A RECLOSABLE FLEXIBLE CONTAINER COMPRISING, A BAG BODY HAVING FLEXIBLE WALLS FORMED OF A PLASTIC FILM HAVING AN OPENING THEREIN, RELEASABLY INTERLOCKING RIB AND GROOVE ELEMENTS INTEGRALLY PART OF THE WALLS ON FACING INNER SURFACES THEREOF FORMED OF A RESILIENT MATERIAL AND SEPARABLE BY DRAWING THE ELEMENTS APART AND INTERLOCKABLE BY PRESSING THE ELEMENTS TOGETHER, EXTERNAL FLANGES ON THE UPPER EXPOSED EDGES OF SAID WALLS WHICH MAY BE GRIPPED AND DRAWN APART TO SEPARATE SAID ELEMENTS, SAID RIB ELEMENT BEING ARROWHEAD SHAPED WITH THE RIB AND GROOVE ELEMENTS HAVING INTERENGAGING UPPER SURFACES EXTENDING TOWARD THE OUTSIDE OF THE BAG AND INTERENGAGING LOWER SURFACES EXTENDING TOWARD THE INSIDE OF THE BAG WITH THE UPPER ENGAGING SURFACE OF THE RIB ELEMENT BEING SHORTER THAN THE LOWER ENGAGING SURFACE OF THE RIB ELEMENT SO THAT THE BAG OPENS RELATIVELY EASILY FROM THE OUTSIDE AND RESISTS OPENING FROM THE INSIDE, SAID RIB ELEMENT SURFACES BEING ON THE BASE OF THE ARROWHEAD SHAPED RIB ELEMENT.