Patent ID: 9648927
Date: 2017-05-16
CPC Classifications: A44B,D04B

Claim:
1. A warp-knitted tape, having a longitudinal direction, a left hand and a right hand sides parallel and opposite to each other and perpendicular to the longitudinal direction, and a plurality of wales extending parallel to each other along the longitudinal direction, comprising: a plurality of first yarns, each of which is knitted and chain-stitched to extend along the longitudinal direction L; a plurality of second yarns, each of which is knitted to extend along the longitudinal direction and move to the left and the right repeatedly to zigzag between at least two neighboring ones of the plurality of wales, wherein none of the plurality of second yarns is knitted between at least a first and a second ones, counted from each of the left hand and the right hand sides, of the plurality of wales; and a plurality of third yarns, each of which is knitted to extend along the longitudinal direction and move to the left and the right repeatedly to zigzag between at least three neighboring ones of the plurality of wales, wherein the plurality of wales are formed by the knitted first and third yarns; wherein, the left hand side and the right hand side are asymmetric regarding the plurality of wales that are not knitted with the plurality of second yarns.