DUCK FABRIC Russian patent published in 1997 - IPC

FIELD: manufacture of special-purpose products, such as jackets for fencers, using electric rapiers and electric sabers. SUBSTANCE: duck fabric is made by fine-pattern weaving method and contains sets of core and filling threads. Each set contains chemical single filaments and metal doubled threads. Diameter of core threads exceeds that of filling threads by 2-3 times. Warp weaving repeat is equal to four threads. Metal threads of warp are disposed in each fifteenth repeat. EFFECT: increased wear-resistance and electric conductivity, reduced hardness and enhanced reliability in operation. 3 dwg