Jacketed sheathed power cable

Claim 1

A LEAD-SHEATHED CABLE HAVING AN AIR AND MOISTUREIMPERVIOUS PROTECTIVE COVERING APPLIED OVER THE OUTER SURFACE OF THE LEAD SHEATH, SAID COVERING COMPRISING A FIRST BUTT-LAPPED HELICALLY WRAPPED LAYER OF A VULCANIZED TOUGH RUBBER TAPE HAVING ITS OUTER SURFACE COATED WITH A FILM OF WATER-SOLUBLE ADHESIVE, A BUTT-LAPPED HELICALLY WRAPPED LAYER OF TENSILE-REINFORCED SOFT READILY DEFORMABLE PLASTICIZED RUBBER TAPE APPLIED OVER SAID ADHESIVECOATED SURFACE IN OVERLAPPED RELATION WITH THE BUTT-LAPPED SEAMS OF SAID FIRST LAYER, A SECOND BUTT-LAPPED HELICALLY WRAPPED LAYER OF A VULCANIZED TOUGH RUBBER APPLIED OVER SAID SOFT RUBBER TAPE LAYER IN OVERLAPPING RELATION WITH THE BUTT-LAPPED SEAM THEREOF, THE INNER SURFACE OF SAID SECOND LAYER OF VULCANIZED TOUGH RUBBER BEING COATED WITH A FILM OF WATER-SOLUBLE ADHESIVE, EACH OF SAID HELICALLY WRAPPED TAPES BEING UNDER SUBSTANTIAL TENSION, WHEREBY SAID SOFT READLY DEFORMABLE TAPE IS IN INTIMATE CONTACT WITH THE ADHESIVE-COATED SURFACES OF SAID FIRST AND SECOND VULCANIZED RUBBER TAPE LAYERS, DESPITE MINOR IRREGULARITIES OF SAID SURFACES, OVER SUBSTANTIALLY THE ENTIRE AREAS THEREOF, SAID ADHESIVE FILMS INTIMATELY BONDING SAID LAYERS INTO A UNITARY AIR- AND MOISTURE-IMPERVIOUS PROTECTIVE JACKET SURROUNDING THE LEAD SHEATH.