FIELD: light industry; determination of stiffness of knitted, composite and textile materials. SUBSTANCE: ttransverse shears of elementary sample are connected together at moment of clamping elementary sample, it is bent along longitudinal shears and folded with shears upwards; then length of sag is measured. Device has clamp made in form of profiled plate rigidly secured on cantiler, guide plates and hold-down jaws mounted for horizontal motion. Horizontal platform for elementary sample is mounted for vertical motion. EFFECT: enhanced reliability. 3 cl, 4 dwg
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