FIELD: technological processes.
SUBSTANCE: method includes delivery of nonwoven linen from mineral wool that contains non-hardened binding agent, its winding onto winding template of winding machine and hardening of binding agent. Prior to nonwoven linen introduction into winding machine at least one reinforcing layer is applied so that during winding it forms constituent part of prepared tubular sleeve. Tubular sleeve contains nonwoven linen from mineral wool with hardened binding agent and at least one hardening layer.
EFFECT: improved mechanical properties; lower volume density and production with more economical and simple method.
22 cl, 6 dwg
