Fastener device

Claim 1

AN ARTICLE OF MANUFACTURE COMPRISING, A FLEXIBLE CONTAINER HAVING WALLS FORMED OF READILY DEFORMABLE BUT DURABLE SHEET MATERIAL, ONE OF SAID WALLS HAVING A PORTION EXTENDING BEYOND AND FOLDABLE OVER AN ADJACENT WALL TO PROVIDE A CLOSURE FLAP AND SAID ADJACENT WALL BEING PROVIDED WITH AN APERTURE, A MALE FASTENER PART SECURED TO SAID CLOSURE FLAP AND HAVING A HEAD DEFINED BY A REDUCED NECK PORTION PROJECTING TOWARD THE APERTURE IN SAID ADJACENT WALL WHEN SAID CLOSURE FLAP IS FOLDED THEREOVER, A THIN SHEET METAL PLATE HAVING A RAISED PORTION PROVIDED WITH AN ELONGATED OPENING AND SURROUNDED BY AN INTEGRAL OUTWARDLY EXTENDING FLANGE, THE RAISED PORTION OF SAID PLATE CORRESPONDING IN SHAPE AND SIZE TO THE APERTURE IN SAID ADJACENT WALL AND SAID PLATE BEING POSITIONED WITH THE FLAT FLANGE THEREOF SEATED DIRECTLY AGAINST THE INNER SURFACE OF SAID ADJACENT WALL WITH THE RAISED PORTION OF SAID PLATE EXTENDING OUTWARDLY THROUGH THE APERTURE IN SAID ADJACENT WALL, AND A RESILIENT FEMALE FASTENER PART OF SUBSTANTIAL THICKNESS HAVING A BASE PORTION CONFINED WITHIN THE RAISED PORTION OF SAID PLATE AND HAVING A REDUCED PORTION CORRESPONDING IN SHAPE AND SIZE TO AND EXTENDING OUTWARDLY THROUGH THE ELONGATED OPENING IN SAID PLATE, SAID FEMALE FASTENER PART HAVING A RECESS OF GREATER WIDTH AND DEPTH THAN THE DIAMETER OF THE HEAD OF SAID MALE FASTENER PART, THE REDUCED OUTWARDLY EXTENDING PORTION OF SAID FEMALE FASTENER PART BEING FORMED WITH AN INTEGRAL LIP OVERHANGING THE RECESS THEREIN TO PROVIDE AT LEAST ONE ACCESS OPENING FOR REMOVABLY RECEIVING THE HEAD OF SAID MALE FASTENER PART, THE ACCESS OPENING FORMED BY THE LIP BEING OF LESS WIDTH THAN THE DIAMETER OF THE HEAD OF SAID MALE FASTENER PART.