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Strand having a limited spring effect

  • US 8,552,290 B2
  • Filed: 10/05/2009
  • Issued: 10/08/2013
  • Est. Priority Date: 10/16/2008
  • Status: Expired due to Fees
First Claim
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1. A strand comprising:

  • one or more electrical conductor wires sized such that the strand has a total section of no more than 0.35 mm2, wherein each electrical conductor wire is constituted by an alloy of copper and tin with;

    a tin content of not less than 1500 ppm and not more than 2500 ppm;

    an oxygen content of not more than 400 ppm;

    an inevitable impurities content of not more than 100 ppm; and

    the balance of the content of said alloy being copper;

    the electrical conductor wire(s) being exempt from heat treatment during fabrication of the strand.

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