Plastic zipper with heat shielding

Claim 1

A ZIPPER FASTENER STRINGER COMPRISING (A) A FILAMENT STRUCTURE FORMING A SERIES OF INTEGRALLY UNITED COUPLING ELEMENTS WITH LONGITUDINALLY ALIGNED HEAD PORTIONS ALONG THE OUTER EDGE OF SAID STRUCTURE, SPACED APART TRANSVERSELY EXTENDING LEG PORTIONS ON EACH ELEMENT AND BRIDGING PORTIONS ALONG THE INNER EDGE OF SAID STRUCTURE CONNECTING THE LEG PORTIONS OF EACH ELEMENT TO THOSE OF ADJACENT ELEMENTS; (B) A FLEXIBLE CORE IN THE SPACE BETWEEN SAID LEG PORTIONS; (C) A UNITARY SUPPORTING TAPE HAVING WIDE AND NARROW PORTIONS EACH CONSISTING OF INTERWOVEN WARP AND WEFT THREADS CONNECTED BY A SECTION OF ONLY WEFT THREADS, SAID WEFT THREADS PASSING ACROSS SAID STRUCTURE BETWEEN THE COUPLING ELEMENTS BEHIND SAID HEAD PORTIONS AND OUTWARDLY OF SAID CORE, SAID NARROW PORTION OF THE TAPE OVERLYING THE MAJOR JPART OF SAID FILAMENT STRUCTURE BEHIND SAID COUPLING HEAD PORTIONS; AND, (D) MEANS FOR HOLDING SAID TAPE IN POSITION COMPRISING STITCHING PASSING THROUGH SAID TAPE NARROW PORTION, THROUGH THE FILAMENT STRUCTURE BETWEEN SAID LEG PORTIONS WHILE AT THE SAME TIME PENETRATING THROUGH SAID FLEXIBLE CORE AND FINALLY THROUGH SAID WIDE PORTION OF THE TAPE.