Patent ID: 7021085

Claim:
A concave-and convex-patterned multi-colored fiber pile fabric produced from the multi-colored fiber pile fabric comprising a ground structure portion having a knit or weave structure formed from organic fiber yarns and at least one cut pile layer comprising a plurality of cut piles, combined with the ground structure portion by a knitting or weaving procedure of the organic fiber yarns, and extending outward from at least one surface side of the ground structure portion, the cut pile layer comprises (1) non-crimped pile fibers comprising non-crimped organic fibers, (2) crimped pile fibers comprising crimped organic fibers and having a pile height lower than that of the non-crimped pile fibers ( 1 ), and (3) crimped or non-crimped pile fibers comprising crimped or non-crimped organic fibers and having a pile height lower than that of the crimped pile fibers ( 2 ), and at least one type of pile fibers of the pile fibers ( 1 ), ( 2 ) and ( 3 ) having a color different in lightness or hue or in lightness and hue from the other or others, wherein in at least one partial region of the cut pile layer, top portions of the non-crimped pile fibers ( 1 ) are removed by a chemical etching procedure to such an extent that the remaining non-crimped pile fibers ( 1 - a ) have a pile height controlled within the range of lower than that of the original non-crimped pile fibers ( 1 ) but not lower than that of the crimped pile fibers ( 2 ), to thereby increase the degree of exposure of the top portions of the crimped pile fibers ( 2 ) located in the partial region.