FABRIC FOR UNDERLYING MATERIAL OF COVE OF THERMAL INSULATING AND HEAT REFLECTING SUIT Russian patent published in 1996 - IPC

FIELD: gas and oil extracting industry. SUBSTANCE: fabric is made by canvas or serge weaving of 1/2 with filling of 110 - 134 % on warp and filling threads of inhomogeneous twisted thread based on heat-resistant polymers. Each inhomogeneous twisted wrap and filling thread is made of two strands - complex threads with ratio of diameters of complex and elementary threads in each strand equal to 53 - 200 : 1. Direction of twisting of each twisted inhomogeneous thread is similar with direction of each strand twisting. Inclination angle of complex threads to axis of inhomogeneous thread twisting is equal to 20 - 45 deg.. EFFECT: fabric allows to increase adhesion strength and to estimate tangential resistance factor and tensile residual deformations by wrap and filling threads. 2 cl