Patent ID: 7669741
Filing Date: 2010-03-02
Classification: D03D,D06J,D10B,Y10T

Abstract:
1. A method of manufacturing a pleated product, the method comprising: providing a fabric comprising warp and weft, one of said warp and said weft being formed of polyester yarn constituting an easy-to-pleat yarn and the other of said warp and said weft being formed of a material constituting a hard-to-pleat yarn selected from a group consisting of rayon yarn, acrylic yarn, and natural fiber yarn which is composed entirely of natural fibers; folding said fabric along a first folding line, said first folding line being angled relative to said warp and said weft; pleating said fabric up to said folding line in a passing direction of one of said warp and said weft; and unfolding and washing said fabric.