Fire-resistant optical fiber cable especially suitable for use in buildings, contains one or more hollow or solid optical fibers in mica casing

摘要

The cable, contains one or more optical fibers (11, 21, 31, 43), equipped with a mica casing (16, 26, 35, 44). The fibers are solid (21) or hollow (11). They are individual, or in bundles (31). The casing is a band closely applied onto the individual fibers. The fibers are stranded. The band is made of glass. Stress relief components (47) are included in the casing (48), formed of glass filaments. The casing is made of a flame-resistant, non-corrosive material.