STUFFING PENETRATION FOR ELECTRIC LINES Russian patent published in 2003 - IPC

FIELD: stuffing arrangements for passing electric lines to wall-separated ionizing-radiation areas. SUBSTANCE: proposed penetration has cylindrical box with changeable modules secured at its butt end and formed by electrical conductors electrically insulated at ends and terminated in tubular sealing lugs; the latter are sealed in their turn relative to penetration box with aid of stuffing gland incorporating threaded clamping bushing. Installed in butt ends of penetration box for fixing the modules are threaded clamping bushing of stuffing gland, clamping nut, and threaded snap ring with taper ends engageable with taper surfaces of internal stop of clamping nut and threaded clamping bushing. Trapezoidal slots are made in butt ends of clamping bushing and clamping nut. EFFECT: enhanced reliability, reduced space requirement, facilitated manufacture, in-situ installation, and maintenance. 2 cl, 3 dwg