| 摘要 |
pipes-envelopes made from composite materials. SUBSTANCE: outer circular projection of protective coat of housing is provided with layers of woven reinforcement embracing it; woven reinforcement is made from textile low-modulus fibers, for example, kapron and fabric. Outer circular projection with layers of woven reinforcement embracing it is received by circular groove of housing made on side of its end face and is fastened with load-bearing layers of reinforcing material of housing. EFFECT: enhanced strength, tightness and reliability of pipe-envelope. 3 cl, 7 dwg |
