Sewing structure and sewing method of shielding material for roman shade

摘要

PROBLEM TO BE SOLVED: To improve a shading performance of a shield fabric without using special component such as heat-sealing material.SOLUTION: On a back of a fabric material 14 for a shield fabric 13 to which a head rail is attached at an upper end thereof, a plurality of plain tape 17 is sewn so as to extend in a vertical direction with spaces therebetween in a horizontal direction. Guide rings are attached to a plurality of guide ring attachment parts 18 provided to the plain tape with spaces therebetween in a vertical direction. The fabric material is composed of a front curtain 14a and a rear curtain 14b superposed in the same shape and size. Also, a first sewing part 21 is formed by sewing the rear curtain and the plain tape, and a second sewing part 22 is formed by sewing the rear curtain and the front curtain. Further, the first sewing part is positioned at a center of the plain tape in a width direction and extends in a longitudinal direction of the plain tape, and the second sewing part is provided parallel with the first sewing part and at a position which is hidden by both sides of the plain tape of the first sewing part.SELECTED DRAWING: Figure 1