ARMOR-CLAD ELECTRICAL CABLE Russian patent published in 2008 - IPC H01B7/18 

FIELD: cabling.

SUBSTANCE: when manufacturing armor-clad electrical cables steel tape armoring is applied over protective padding with special profile " ", which forms profile lock when applied over cable strands with 10÷40% overlapping. And below the lock a screwed closure along the longitudinal surface of insulated cable strands is formed with overlapping pitch matched with the 110÷40% armor-clad overlapping.

EFFECT: improvement of cable reliability during its operation in wells and in pulling-and-running operations, as well as saving of steel tape in the process of cable manufacturing.

2 dwg