Fastener components adapted for electronic heat sealing

Claim 1

AN ASSEMBLY COMPRISING, IN COMBINATION, A SUPPORT, A UNITARY FASTENING DEVICE OF HARD, TOUGH, NONHEAT-SEALABLE MATERIAL INCLUDING A BASE PORTION, AN UPSTANDING POST EXTENDING LONGITUDINALLY FROM SAID BASE PORTION, AND AN INTEGRAL PERIPHERAL FLANGE EXTENDING LATERALLY OUTWARDLY FROM ONE OF SAID BASE PORTION AND SAID POST, SAID FLANGE HAVING A SERIES OF THROUGH APERTURES FORMED THEREIN AND DISPOSED ABOUT SAID POST, AND ATTACHING MEANS SECURING SAID FASTENING DEVICE TO SAID SUPPORT, SAID ATTACHING MEANS BEING IN THE FORM OF A WASHER OF SYNTHETIC THERMOPLASTIC MATERIAL HAVING CERTAIN PORTIONS THEREOF SUPERIMPOSED ON THE SURFACE OF SAID FLANGE REMOTE FROM SAID SUPPORT, OTHER PORTIONS THEREOF HEAT-SEALED TO SAID SUPPORT EXTRAPERIPHERALLY OF SAID FLANGE, AND STILL FURTHER PORTIONS THEREOF EXTENDING THROUGH SAID FLANGE AND HEAT-SEALED TO SAID SUPPORT OPPOSITE THE APERTURES IN SAID FLANGE WHEREBY PORTIONS OF SAID FLANGE ARE ENCAPSULATED BETWEEN SAID WASHER AND SAID SUPPORT.