Patents by Inventor Vesa Tuunanen

Vesa Tuunanen 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).

  • Multi-layer reinforced and stabilized cable construction
    Patent number: 6178277
    Abstract: A multi-layer reinforced and stabilized cable construction comprising a core portion (1, 11) and a non-metallic sheathing portion having barrier and protective layers and two or more outer reinforcement layers. In order for the mechanical and barrier properties of the cable to be controlled, the barrier and protective layers and/or the reinforcement layers (12, 13) are oriented in a controlled manner at different angles by fibrous reinforcements or lamellar barriers.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: January 23, 2001
    Assignee: NK Cables OY
    Inventors: Jussi Ravela, Markku T. Suvanto, Vesa Tuunanen, Markku Heino, Jyri J{umlaut over (a)}rvenkyl{umlaut over (a)}, Kari Kirjavainen
  • Coaxial high-frequency cable and dielectric material thereof
    Patent number: 6130385
    Abstract: The invention relates to a coaxial high-frequency cable including an inner conductor, a dielectric material formed about the inner conductor, and an outer conductor formed about the dielectric material. According to the invention, the dielectric material is made from an expanded polymer blend compounded from two a-olefin polymers of different densities, whereby the polymer of the higher density forms the matrix of the polymer blend.
    Type: Grant
    Filed: February 23, 1999
    Date of Patent: October 10, 2000
    Assignee: NK Cables Oy
    Inventors: Vesa Tuunanen, Hans-Bertil Martinsson
  • Optical cable
    Patent number: 6002825
    Abstract: The invention relates to an optical cable comprising a reinforcing structure (1) for providing sufficient tensile and compression strength for the cable, and one or more longitudinally extending fibre channels (4) in which optical fibres in the form of single fibres (2), fibre bundles or fibre ribbons are positioned. In the cable of the invention, the fibre channel/fibre channels (4) is/are defined directly by said reinforcing structure (1), and the reinforcing structure is made of plastic reinforced with fibre bits (3).
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: December 14, 1999
    Assignee: NK Cables Oy
    Inventors: Markku Suvanto, Vesa Tuunanen