INFLATABLE SUCTION CUP AND COW-MILKING DEVICE Russian patent published in 1994 - IPC

FIELD: agriculture. SUBSTANCE: inflatable suction cup comprises flexible tubular member having upper and lower bushings and bell. Walls of upper and lower bushings have the form of closed band with projections. Lower end of bushing has a circular projection. Wall of upper bushing extends from lower bushing to bell cavity. Inflatable device is made from silicon rubber elastomer. Band of inflatable device is 0.08" (2.03 mm) thick. Inflatable device improves control of teat penetration depth. EFFECT: increased yield of milk. 8 cl, 4 dwg