Patent ID: 8832992

Claim:
A yarn object colored with a colorant, comprising a core yarn 2 colored with a predetermined colorant and an outer-layer yarn 3 comprising a transparent or semi-transparent filament made of ultra-high-molecular-weight polyethylene, wherein: the core yarn 2 comprises a plurality of filaments made of ultra-high-molecular-weight polyethylene, the outer-layer yarn 3 is disposed on a periphery of the core yarn 2 in such a manner that the outer-layer yarn 3 entirely covers the core yarn 2 , the core yarn 2 is prevented from contacting with other objects and a space 4 is not formed between adjacent windings or braids of the outer-layer yarn 3 , the core yarn 2 and the outer-layer yarn 3 are simultaneously subject to a drawing treatment and a heat treatment, and the predetermined colorant applied to the core yarn 2 is externally visible through the outer-layer yarn 3 .