DETACHABLE JOINT FOR PIPE LINES Russian patent published in 2000 - IPC

FIELD: mechanical engineering; interconnection of pipes, connection of units of equipment by means of pipes in laying pipe lines. SUBSTANCE: taper angle of inner taper surface of sleeve exceeds taper angle of outer taper surface of nipple. Taper surface of nipple adjoining its end is undersized relative to second section of outer taper surface of nipple. Edge formed by rear side surface of groove and second outer taper surface of nipple is engageable with inner surface of sleeve. EFFECT: extended technological capabilities of joint; reduced labour consumption; enhanced reliability at high pressures of working medium. 1 dwg