Steel cord for reinforcing rubber article and adopt the pneumatic tire of this all-steel cord

Steel cord for reinforcing rubber article and adopt the pneumatic tire of this all-steel cord

  • CN 102,264,978 B
  • Filed: 12/22/2009
  • Issued: 11/25/2015
  • Est. Priority Date: 12/22/2008
  • Status: Active Grant
First Claim
Patent Images

1. a steel cord for reinforcing rubber article, comprising:

  • core, and it is made up of 2 untwisted core wires;

    And 6 epitheca wire rods, the twisting of this epitheca wire rod is around above-mentioned core;

    It is characterized in that,Above-mentioned epitheca wire rod is twisted under the state of the tension force being applied with 0.6N ~ 1.8N, the mean value of the clearance gap between adjacent above-mentioned epitheca wire rod is more than 68 μ

    m, further, the occupation rate of above-mentioned epitheca wire rod to epitheca wire rod configuring area being configured at the surrounding of above-mentioned core is more than 84%.

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