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Composite cable including portions having controlled flexural rigidities

  • US 5,039,195 A
  • Filed: 05/29/1990
  • Issued: 08/13/1991
  • Est. Priority Date: 05/29/1990
  • Status: Expired due to Fees
First Claim
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1. A composite communications cable, which comprises:

  • a core which includes at least one communication transmission medium, each said transmission medium in said core being enclosed in an enclosing covering material; and

    a sheath system which encloses said core and which has a longitudinal axis, said core having a cross section transverse to the longitudinal axis;

    wherein said cross section of the core is divided into two portions with the flexural rigidity of each portion in compression being equal to the flexural rigidity of the other portion in tension and the flexural rigidity of the one portion and of the other portion being predetermined in a manner to cause the neutral axis of bending in said cross section to be disposed in a desired location so that each said transmission medium experiences minimal stress.

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