Patent ID: 8056373
Filing Date: 2011-11-15
Classification: D04B,D10B,E06B

Abstract:
1. A light-transmitting sheet material comprising: a front fabric and a back fabric formed by arranging a plurality of stitch wales of chain stitches which are knitted in a warp direction, in a weft direction at a predetermined interval and by knitting an insertion yarn alternately in adjoining stitch wales by a predetermined length; and a plurality of light-shielding layers, being formed into sheet-like structures in the warp direction by knitting a connecting yarn alternately between the stitch wales of the front and back fabrics, arranged in the weft direction, wherein the stitch wales of the front and back fabrics opposed to each other are connected to adjoining light-shielding layers, wherein the light-shielding layers are formed between the stitch wales of the front and back fabrics, being opposed to each other, located at positions shifted from each other, and wherein entire constituent yarns are fixed by resin treatment so that the front and back fabrics are held with a predetermined distance therebetween, the light-shielding layers are maintained in an oblique state and the sheet material has no movable portion.