Patents by Inventor Mats O. Bortas

Mats O. Bortas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5391836
    Abstract: The present invention relates to an electric cable which includes at least one cable part and at least one shield which surrounds at least one cable part, and which further includes a plastic or a rubber sheath which embraces the cable part or parts and the shield, wherein each cable part includes a conductor made of copper wire or some other electrically conductive material, and a plastic or a rubber insulating layer. According to the invention, the shield is comprised of one or more prefabricated, woven or braided bands which are placed longitudinally around the cable part or parts. The total width of the shield band or bands can be larger than the perimeter of the underlying construction to allow an overlap of the shield. Different diameters of wire in the shield allow interlocking of the shield about the cable part.
    Type: Grant
    Filed: January 29, 1993
    Date of Patent: February 21, 1995
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventors: Mats O. Bortas, Lars O. G. Efraimsson, Agne H. Nyberg