Electrically conductive extensible hose

Claim 1

IN A FLEXIBLE AND EXTENSIBLE HOSE OF THE TYPE HAVING A CYLINDRICAL SPIRALLY WOUND HIGH STRENGTH REINFORCING COIL STRESSED SO THAT ITS TURNS WILL MOVE TOWARD EACH OTHER WHEN THE HOSE IS EXTENDED AND RELEASED AND A THIN WALL TUBE OF AN ELASTOMERIC THERMOPLASTIC MATERIAL EMBRACING THE TURNS OF SAID COIL IN WHICH SIAD TUBE IN ITS NORMAL STATIC CONTACTED CONDITION HAS ALTERNATE INWARDLY AND OUTWARDLY FACING SPIRAL FOLDS IN ITS WALL WITH SAID INWARDLY FACING FOLD EMBRACING THE TURNS OF SAID COIL AND WITH SAID OUTWARDLY FACING FOLD LYING BETWEEN THE TURNS OF SAID COIL IN THE FORM OF LOOP PORTIONS INWARDLY OF THE TURNS OF SAID COIL WHICH ARE FREE TO UNFOLD WHEN THE HOSE IS EXTENDED, IN WHICH SAID COIL IS FORMED OF AN ELECTRICALLY CONDUCTIVE ELEMENT SO AS TO FORM ONE LINE OF AN ELECTRIC CIRCUIT AND A SECOND ELECTRICAL CONDUCTIVE ELEMENT IS INTEGRALLY ASSOCIATED WITH THE TURNS OF SAID COIL OVER THE ENTIRE LENGTH OF THE HOSE TO FORM A SECOND LINE OF SAID ELECTRICAL CIRCUIT, SAID ELECTRICALLY CONDUCTIVE ELEMENTS BEING INSULATED FROM EACH OTHER.