Helically wound flexible hose

Claim 1

A HELICALLY WOUND FLEXIBLE HOSE COMPRISING, A PROFILE STRIP DEFINING AN INWARDLY OPEN FIRST CHANNEL AND AN OUTWARDLY OPEN SECOND CHANNEL, SAID PROFILE STRIP BEING HELICALLY WOUND TO FORM A FLEXIBLE HOSE WALL IN WHICH THE INWARDLY OPEN FIRST CHANNEL OF INDIVIDUAL TURNS OF THE PROFILE STRIP OVERLAPS AND FITS INTO THE OUTWARD OPEN SECOND CHANNEL OF ADJACENT TURNS OF THE PROFILE STRIP, THE LATERALLY OUTWARD SIDE OF EACH CHANNEL OF INDIVIDUAL TURNS OF SAID PROFILE STRIP TERMINATING IN A GENERALLY RADIAL LEG WHICH IS RECEIVED WITHIN THE OVERLAPPING CHANNEL OF ADJACENT TURNS OF THE PROFILE STRIP SO THAT THE HOSE WALL FORMED BY THE HELICALLY WOUND PROFILE STRIP HAS A SQUARE LOCKED CONSTRUCTION HOLDING TOGETHER ADJACENT TURNS OF THE PROFILE STRIP A HELICALLY WOUND SHIELD STRIP EXTENDING LENGTHWISE ALONG THE CORRESPONDING LENGTH OF THE HELICALLY WOUND PROFILE STRIP AND HAVING A SIDE SURFACE DISDPOSED IN CLOSE SURFACE ENGAGEMENT WITH SAID INWARDLY OPEN FIRST CHANNEL OF THE PROFILE STRIP, A FUSED BOND FORMED BETWEEN SAID SHIELD STRIP AND SAID PROFILE STRIP AND EXTENDING ALONG THE FULL LENGTH OF BOTH STRIPS TO INTEGRALLY UNITE THE TWO STRIPS TO FORM A SINGLE UNITARY STRIP; AND SAID SHIELD STRIP HAVING A LONGITUDINAL PORTION THEREOF DISPOSED OUTSIDE OF THE HOSE WALL FORMED BY THE PROFILE STRIP AND PROJECTING LATERALLY FROM THE FIRST CHANNEL OF INDIVIDUAL TURNS OF THE PROFILE STRIP INTO CLOSELY ADJACENT OVERLPPING RELATION TO THE FIRST CHANNEL OF ADJACENT TURNS OF THE PROFILE STRIP TO FORM ADJACENT TO SAID HOSE WALL AN EXTERNAL SHIELD EXTENDING BETWEEN AND CLOSELY OVERLAPPING ADJACENT TURNS OF THE PROFILE STRIP, EVEN WHEN THE ADJACENT TRUNS OF THE PROFILE STRIP ARE FULLY EXTENDED, TO PREVENT DISENGAGEMENT OF ADJACENT TURNS OF THE PROFILE STRIP AND AT THE SAME TIME PROVIDE FOR FREE FLEXING OF THE HOSE AND BENDIONG OF THE HOSE THROUGH SHARP TURNS.