Patents Assigned to Alcatel NA Cable Sytems, Inc.
  • Polypropylene-polyethylene copolymer buffer tubes for optical fiber cables and method for making the same
    Patent number: 5574816
    Abstract: A buffer tube for an optical fiber cable is made from a polypropylene-polyethylene copolymer resin having nucleating agents and filler materials disbursed therein. The nucleating agents and filler materials improve compression-tension resistance and thermal expansion properties of the polypropylene-polyethylene copolymer buffer tube.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: November 12, 1996
    Assignee: Alcatel NA Cable Sytems, Inc.
    Inventors: Hou-ching M. Yang, James D. Holder, Christopher W. McNutt