US Patent 11160320 Fabric, multilayer structured fabric, and fiber product

The invention addresses the problem of providing a cloth, a multilayered cloth, and a textile product, which have flame retardancy and heat insulation and develop a relief structure when exposed to flame or heat. As a means for resolution, a cloth characterized in that a yarn A having a high thermal shrinkage rate and a yarn B having a low thermal shrinkage rate are alternately arranged in the warp direction or weft direction is obtained, then, as necessary, a multilayered cloth is obtained using the cloth as an intermediate layer, and further, as necessary, a textile product is formed using the multilayered cloth.