Transposed winding and insulation arrangement for electrical apparatus

Claim 1

ELECTRIC CABLE COMPRISING AN ODD NUMBERED PLURALITY OF ELECTRICALLY INSULATED, ELECTRICALLY CONDUCTIVE STRANDS; SAID STRANDS BEING ARRANGED INTO TWO LAYERS, WITH A STRAND AT THE END OF TONE OF SAID LAYERS PROJECTING PAST THE ADJACENT LAYER; SAID STRANDS BEING CONTINUOUSLY TRANSPOSED ABOUT THE MAIN AXIS OF THE CABLE AT SUCCESSIVE SPACED TRANSPOSITION POINTS; EACH TRANSPOSITION POINT INCLUDING A FIRST DISCRETE BEND WHICH MOVES THE PROJECTING STRAND TO THE ADJACENT LAYER, AND A SECOND DISCRETE BEND WHICH MOVES EACH OF THE STRANDS IN THE NEWLY VACATED LAYER ONE STRAND POSITION IN THE SAME LAYER TO FILL THE NEWLY VACATED STRAND POSITION; SAID FIRST AND SECOND DISCRETE BENDS AT EACH TRANSPOSITION POINT BEING SPACED A PREDETERMINED MINIMUM DISTANCE APART TO ALLOW THE PROJECTING STRAND FREEDOM OF MOVEMENT AND PREVENT EDGE-TO-EDGE CONTACT BETWEEN SAID STRANDS WHEN THE CABLE IS WOUND INTO A COIL; SAID TRANSPOSITION POINTS BEING SPACED TO PROVIDE A PREDETERMINED MINIMUM DISTANCE BETWEEN SUCCESSIVE SECOND DISCRETE BENDS; THE LENGTH OF CABLE OCCUPIED BY EACH OF SAID SECOND DISCRETE BENDS BEING SUBSTANTIALLY LESS THAN THE DISTANCE BETWEEN SUCCESSIVE FIRST DISCRETE BENDS, TO ENABLE THE CABLE TO MAINTAIN PREDETERMINED OUTER DIMENSIONS WHEN WOUND INTO A COIL; SAID TRANSPOSITION POINTS BEING REPEATED, AT LEAST UNTIL EACH STRAND SUCCESSIVELY OCCUPIES EACH STRAND POSITION.