ARTICULATED JOINT FOR FLEXIBLE PIPE LINE Russian patent published in 2001 - IPC

FIELD: hydromechanization; submersible pulp lines of complexes developing shelf fields of minerals. SUBSTANCE: articulated joint includes ball with bowl; bowl is made from two parts with flanged joint and seal. One part is detachable and other part is secured on pipe line and is provided with wear-resistant bush with bell mouth over internal diameter of bowl which is mounted for rotation about longitudinal axis; springing guide mounted inside ball covers upper portion of sphere of ball by 2/3 of its internal diameter. EFFECT: increased service life; facilitated replacement of worn parts; improved ecological conditions due to avoidance of breaks in pipe lines. 3 cl, 2 dwg