Patents Examined by David A. Simmens
  • High voltage cable
    Patent number: 4008113
    Abstract: A stranded filament bundle is coated with a cross-linking plastic that contains carbon black followed by enveloping in a plastic that cross-links in the presence of moisture. The inner coating will cross-link either when the outer layer cross-links by water treatment; or by conduction of heat in the extruder for the outer layer; or by microwave heating.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: February 15, 1977
    Assignee: Kabel-und Metallwerke Gutehoffnungshutte Aktiengesellschaft
    Inventors: Fritz Glander, Hermann Uwe Voigt