Electrical cable with protecting layer of polyethylene terephthalate

Claim 1

BUILDING WIRE COMPRISING A SINGLE STRANDED CONDUCTOR SURROUNDED BY A LAYER OF RUBBER INSULATION THAT HAS A GENERALLY CYLINDRICAL OUTSIDE SURFACE A PROTECTIVE LAYER OVER SAID OUTSIDE SURFACE OF THE RUBBER INSULATION AND CONSISTING OF A THIN SMOOTH AND SLIPPERY STRIP OF POLYETHYLENE TEREPHTHALATE WOUND OVER THE RUBBER INSULATION IN A HELIX AND WITH PORTIONS OF EACH SUCCESIVE CONVOLUTION OVERLAPPING A PORTIONS AND ONLY A PORTION OF THE NEXT CONVOLUTION OF THE HELIX WHEREBY EACH CONVOLUTION IS IN INTIMATE CONTACT WITH RUBBER FOR A PORTION OF THE AXIAL LENGHT OF THE CONVOLUTION AND IS HELD AWAY FROM THE SURFACE OF THE RUBBER ALONG ANOTHER PORTION OF THE AXIAL LENGHT THE STRIP OF POLYETHYLENE TEREPHTHALATE BEING TIGHTLY WOUND ABOUT THE RUBBER INSULATION A WOVEN BRAID OF INSULATING MATERIAL OVER THE POLYETHYLENE TEREHTHALATE LAYER WITH STRANDS OF THE BRAID THAT PSSS UNDER OTHER STRANDS PRESSED TIGTHTLY AGAINST THE HELICALLY WOUND STRIP TO PRODUCE LOCAL SPOT CLAMPING OF THE STRIP AGAINST THE RUBBER INSULATION TO PREVENT AXIAL MOVEMENT OF THE STRIP RELATIVE TO THE SURFACE OF THE RUBBER.