JOINT FOR PIPE LINES Russian patent published in 2004 - IPC

FIELD: connection of domestic water counters with pip lines without welding jobs. SUBSTANCE: proposed joint has body and union nut and sealing ring made in form of cylindrical bush with external taper surfaces. Washers fitted on both sides of sealing ring are engageable with external taper surfaces of sealing ring by their internal taper surfaces. Angle of inclination of internal taper surfaces is lesser than angle of inclination of external taper surfaces of sealing ring. Sealing rings are mounted between body, bush and bearing ring. EFFECT: enhanced reliability of joint. 1 dwg