A fibre optic cable includes a core of primary coated optical fibres embedded in an inner layer of acrylate material, having sufficient tensile strength when cured to lock at least the outermost fibres in place and still allow the fibres to be easily broken out of the assembly for termination and splicing...http://www.google.co.uk/patents/US20050018983?utm_source=gb-gplus-sharePatent US20050018983 - Signal transmitting cable