The cable is arranged so that the signal transmitting members 2 are surrounded by a first layer 3 that restricts movement between at least the outermost members of the bundle. An outermost thermoplastic polymer layer 4 surrounds the first layer, and has a Shore D hardness of at least 60....
The level of illumination may be varied by using the fibre-optic cable(s) to transmit light through two optically transparent portions (502,504,Fig.5), wherein the two portions have an area of contact between them which may be varied by sliding portion 504 along portion 502 in the ...
The stuffing box for a fibre optic cable 1 comprises an annular body 2 with fixing devices 3, 4 on both sides of the wall 5 through which the fibre passes. It has an inner shoulder 6 acting as a stop for a gasket 7 which can be compressed on to the cable. An annular member 8 ...