Patent ID: 8240119

Claim:
A high-strength tether cable for a deep sea exploration machine, comprising: an outer coating defining an outer periphery of the high-strength tether cable; and a plurality of non-metallic reinforcing elements disposed within the outer coating, wherein each of the plurality of non-metallic reinforcing elements includes: a coating element defining an outer periphery of each individual non-metallic reinforcing element, a plurality of fiber elements disposed within the coating element; and a filling material, separate from the coating element, disposed between each of the plurality of fiber elements, each of the plurality of non-metallic reinforcing elements contacts at least one other of the plurality of non-metallic reinforcing elements, each of the plurality of fiber elements is made of copolyparaphenylene-3,4′-oxydiphenyleneterephthalic amide, and the lateral compression stress of each of the plurality of fiber elements of the copolyparaphenylene-3,4′-oxydiphenyleneterephthalic amide is 75 cN/dtex or more.