Patent ID: 9551093
Date: 2017-01-24
CPC Classifications: D03D,D10B

Claim:
1. A down-proof double-layer fabric, comprising: a first fabric layer, having a plurality of first warps and a plurality of first wefts; and a second fabric layer, having a plurality of second warps and a plurality of second wefts; wherein the first fabric layer and the second fabric layer have a plurality of coupling portions, in the coupling portions, the first fabric layer and the second fabric layer pass through each other repeatedly and the first warps and the second warps are interlaced, the first warps, the first wefts, the second warps, and the second wefts are between 20 denier and 75 denier, the warp densities of the first fabric layer and the second fabric layer are between 336 pieces/in and 456 pieces/in, and the weft densities of the first fabric layer and the second fabric layer are between 220 pieces/in and 300 pieces/in.