HIGH-VACUUM UNION-NIPPLE JOINT Russian patent published in 1994 - IPC

FIELD: heated high-vacuum systems. SUBSTANCE: union-nipple joint has an annular turning on an end of the nipple, turned to the union; the turning, being near an axis of the joint, has a generatrix, parallel to cone generatrix surface of the nipple. A sealing end of the nipple is in the form of toroidal profile. The joint may be provided by a support and a base for mounting respectively the union and the nipple. The union is mounted with possibility of axial motion; between the support and the base a nut is arranged with possibility of rotation. EFFECT: enhanced reliability of the joint. 2 cl, 2 dwg