FLEXIBLE HOSE Russian patent published in 1995 - IPC

FIELD: ventilation and air-conditioning systems. SUBSTANCE: flexible elastic band is wound on the bearing reinforcement in the form of metal band. The edges of the adjacent band turns overlap each other. The reinforcement and band are wound with the same pitch. Flexible band is made of airproof cloth, it is fastened to the reinforcement by a glue line. The band edges are also connected by a glue line located above the metal band. Both glue lines are of the same width, which does not exceed the width of the metal band. The winding pitch and slime diameter are bound up by a preset relation. EFFECT: enhanced reliability. 2 cl, 3 dwg