HOSE Russian patent published in 1998 - IPC

FIELD: milking plants. SUBSTANCE: wall of hose is provided with at least one elongated reinforcing member made from material possessing higher hardness as compared with material of wall and located along hose in spiral chamber of wall for motion relative to wall. Reinforcing member fully fills the chamber. Reinforcing member is shifted at each radially widened end section of hose relative to hose along spiral trajectory from its position at end section of hose which is not widened. Reinforcing member forms spiral trajectory having larger diameter along each widened portion of end section as compared with wall of hose which is not widened. Hose withstands considerable internal rarefaction, easily bendable and washable. EFFECT: enhanced efficiency and reliability; low mass. 8 cl, 6 dwg