WATER TAP Russian patent published in 1999 - IPC

FIELD: the tap is applicable in municipal service, in particular, in water supply. SUBSTANCE: a curving membrane with different- thickness walls installed in a seat of the body partition is used as a sealing member and seat. It has beads in outside and inside diameters. Leak-proofness of the sealing is ensured by the fact that the membrane middle surface is pressed to the spindle cup cone under water pressure fed to the cavity formed by the membrane in the closed position of the tap. EFFECT: enhanced simplicity of design and leak- proofness during a prolonged period of time. 3 cl, 2 dwg