Electrical cables having low resistance and methods of making the same
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United States of America Patent
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Jun 19, 2001
Grant Date -
N/A
app pub date -
Nov 29, 1999
filing date -
May 2, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrically conductive cable includes a number of conductive strands which are twined to form a wire rope. The wire rope is drawn through a die to reduce its diameter until the outer surface of the conductor is smooth and the cross section of the conductor is substantially circular. According to a presently preferred embodiment, the electrically conductive cable is successively drawn through four dies of decreasing diameter so that the overall diameter of the wire rope is reduced by at least approximately 18 percent. The resulting electrically conductive cable has the tensile strength advantage and the low resistance advantage of a solid conductor with the flexibility advantage of a wire rope cable. In addition, the smooth outer surface of the electrically conductive cable according to the invention is easily insulated with an extruded material.
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