Patents Assigned to Foptica
  • Optical cable designed to withstand high pressures
    Patent number: 4521072
    Abstract: The invention relates to an optical cable designed to withstand high pressures and made up of at least one elementary cable comprising optical fibres disposed in a circular cylindrical support and surrounded by at least one wound strip giving more than 100% overlap, the strip being in turn surrounded by a sealing-tight sheath and the elementary cable or cables being in turn surrounded by bearing means, mechanical protection means and electric conducting means.
    Type: Grant
    Filed: June 28, 1982
    Date of Patent: June 4, 1985
    Assignee: Foptica
    Inventors: Henri E. Cholley, Jean J. Laupretre, Jean Rollet