Patents Assigned to Von Roll Isola Winding Systems GmbH
  • Insulation for electrical conductors that produces no partial discharges
    Patent number: 6927342
    Abstract: Electrical conductors, such as bare or round wires, are insulated by taping with a micaceous insulating tape, having a film support of a polymer which can be heat-shrunk above 150° C. and a layer of mica fastened to the film support by means of a binder, and subsequent heat shrinkage of the polymer. The micaceous tape can also have a second film support of a polymer which can be heat shrunk above 150° C.; this second film support is then fastened to the mica layer on the side opposing the first film support.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: August 9, 2005
    Assignee: Von Roll Isola Winding Systems GmbH
    Inventors: Heinz Brandes, Thomas Hillmer, Jean-Luc Rediger, François Jund, Franz Hänggi, José Fernandez