Plastic molding fastener

Claim 1

A FASTENER ASSEMBLY FOR ATTACHING AN ARTICLE OF MANUFACTURE TO AN APERTURE SUPPORT COMPRISING A STUD ELEMENT AND A SOCKET ELEMENT, SAID STUD ELEMENT INCLUDING A HEAD PORTION AND A SHANK EXTENDING FROM SAID HEAD PORTION, SAID SHANK HAVING A BULBOUS, FREE TERMINAL END INCLUDING AN OBTUSE ANGULAR SURFACE DIRECTED TOWARDS THE PLANE OF THE HEAD PORTION, SAID SOCKET ELEMENT BEING FORMED OF A FLEXIBLE MATERIAL AND INCLUDING A CONTINUOUS, UNINTERRUPTED, TUBULAR, UPSTANDING BODY PORTION HAVING A RELATIVELY LARGE OPENING AT ONE END AND A FLANGE EXTENDING OUTWARDLY THEREFROM ADJACENT SAID END, AND A BASE PORTION EXTENDING INTO THE AREA DEFINED BY SAID BODY PORTION, SAID BASE PORTION HAVING AN INTERNAL WALL DEFINING A SMALLER OPENING ADJACENT THE OTHER END OF SAID BODY PORTION, SAID WALL HAVING A HEIGHT GREATER THAN THE THICKNESS OF SAID FLANGE AND SUBSTANTIALLY EQUAL TO THE LENGTH OF THE ANGULARLY EXTENDING SURFACE ON THE BULBOUS END OF SAID STUD SHANK, SAID SECOND OPENING HAVING A DIAMETER SMALLER THAN THE GREATEST EXTERNAL DIAMETER OF SAID BULBOUS END WHEREBY ON AXIAL INSERTION OF SAID SHANK THROUGH SAID SMALLER OPENING SAID BASE PORTION WILL BE FLEXED OUTWARDLY AND SAID INTERNAL WALL WILL MATE WITH THE ANGULARLY DISPOSED SURFACE IN FLUSH, ABUTTING RELATION.