Means of Jointing and Bonding Between Lead-covered or Lead-covered and Armoured Electric Cables, and Cast Iron, Wrought Iron or Mild Steel Sleeves or Joint Boxes.

摘要

22,868. Mitchell, R. B., and Cooper, F. J. Oct. 17. Couplings.-Lead-covered or lead-covered and armoured cables are bonded to cast-iron, wrought-iron, mild-steel, and like sleeves or junction boxes by casting metal in a mould round each end of the sleeve and upon the cable armouring. The ends H of the box and the lead covering are first tinned or otherwise prepared, and the ends of the armouring Band the lead covering E are turned up, the latter serving to retain a packing-ring D. The earthing wire A is also cast into the cast body C.