Patent ID: 9006574
Filing Date: 2015-04-14
Classification: B32B,H01B,Y02A,Y10T

Abstract:
1. An undersea cable for offshore floating facilities, comprising at least: a power line core in which an insulating layer, a shield layer, a first water shielding layer, and an anticorrosion layer are formed on a conductor; a wire armor member formed by providing, on an outer periphery side of the power line cores as a whole, a plurality of wire rods in a circumferential direction of the outer periphery of the power line cores, and arranging the plurality of wire rods helically in an axial direction of the power line cores; and an outer anticorrosion layer formed on an outer periphery side of the wire armor member, wherein the first water shielding layer is formed using a multilayer tape in which a metal layer is sandwiched by resins, wherein a cross sectional shape of the metal layer of the multilayer tape is a convex-concave shape, and wherein the convex-concave shape of the metal layer is formed such that on a plane surface of the multilayer tape, mountain portions or valley portions of the convex-concave shape are alternately and continuously repeated toward two different directions.