Patent ID: 6363197
Filing Date: 2002-03-26
Classification: G02B

Abstract:
An illumination fiber optic conduit assembly comprising:a clad core sub-assembly including at least one polymeric, thermoset visible light transmitting core having a visible light transmitting fluoropolymer cladding; a first polymeric layer at least partially surrounding the sub-assembly; a second polymeric layer surrounding said first polymeric layer and said subassembly; and a predetermined quantity of fire retardant material extending along the length of the conduit, positioned between said clad core sub-assembly and said second polymeric layer, and at least partially surrounding the radial periphery of the clad core; wherein the clad core sub-assembly includes a single clad core, the first layer is a U-shaped channel formed of an intumescent material and the second layer is a jacket completely surrounding the radial periphery of the channel and the clad core sub-assembly.