SWIVEL JOINT FOR PIPE LINE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; fuel and hydraulic pipe lines. SUBSTANCE: proposed swivel joint includes male holder which has stepped engageable surface. Part of holder surface has projection located opposite joint area of female holder and connecting member. Sealing member consists of gasket and collar made integral. Gasket is made in form of sleeve mounted on projection by its inner surface. Mounting surface of gasket has circular bore. Flange is used as connecting member. Engageable surfaces of holders are provided with opposite circular grooves where swivel members made in form of rolling solids of revolutions are mounted. EFFECT: extended functional capabilities; enhanced tightness of joint. 4 cl, 1 dwg