MECHANICAL SPLICE CLOSURES FOR TELEPHONE CABLES,

During the post-war shortage of lead, new alpeth and stalpeth cable, sheathed in polyethylene, have proved excellent substitutes for traditional lead-sheathed cable in meeting urgent demands for new voiceways. But their use has been limited by the difficulty in closing a sheath that cannot be soldered and sealed by the long-established techniques used with lead sheath. This article tells how this difficulty was overcome by using an entirely new procedure, in which a die cast aluminum casing is conveniently bolted to the cable and sealed gas-tight with a special compound. Author