FIELD: mechanical engineering; quick connection or dismantling of pipe lines. SUBSTANCE: quick-acting joint of pipe lines is provided with connecting member having two embracing ends of opposite directions; connecting member contains also sealing ring acting in opposite direction and locking rings engageable with open circular wave-shaped flexible member made from metal spring strip whose width is equal to width of grooves for locking rings. EFFECT: increased linear and angular mobility of pipes. 3 dwg
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