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Armored optical fiber cable

  • US 10,578,820 B2
  • Filed: 03/05/2019
  • Issued: 03/03/2020
  • Est. Priority Date: 08/09/2013
  • Status: Active Grant
First Claim
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1. An optical communication cable, comprising:

  • a core of the cable, comprising;

    optical fibers;

    buffer tubes surrounding subsets of the optical fibers; and

    a central strength member, wherein the buffer tubes are stranded around the central strength member in a pattern of stranding including reversals in lay direction of the buffer tubes; and

    a binder film to hold the buffer tubes in position around the central strength member,wherein using pull-through testing the binder film has a static friction force between the stranded buffer tubes and the central strength member of at least 10 N for a 100 millimeter length of the stranded buffer tubes.

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