FIELD: technological processes.
SUBSTANCE: two-component extruded grid comprises the first layer of parallel strands extending in the longitudinal direction, the second layer of parallel strands on one side of the first layer extending transversely and containing elastomeric strands and the third layer of parallel strands on the opposite side of the second layer relative to the first layer, extending in the same direction as the strands of the first layer. The first, second and third layers are obtained by coextrusion substantially simultaneously so that the strands in the first layer are positioned or aligned in space between the strands in the third layer.
EFFECT: increasing the elastic properties of the grid under load and improving the elastic restoration of the grid by thickness.
72 cl, 10 dwg
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