Optical communication cable

Details Optical communication cable Optical communication cable

G - Physics

02

B

88/97.1

G02B 7/26 (1980.01)

Patent

CA 1118252

A B S T R A C T In an optical communication cable for the transmission of light, two or more optical fibres are secured side by side on or within a flat flexible support member which is so housed that it is capable of limited movement relative to the cable when the cable is flexed, thereby reducing risk of fracture of any optical fibre. The flexible support member is loosely housed in, and has dimensions less than the diameter of, a bore in an extruded elongate body of insulating material, which bore has a smooth continuous boundary wall and is of uniform transverse cross-section throughout its length. To provide reinforcement for the cable, two separate elongate reinforcing members are embedded in the extruded body throughout its length and are arranged on opposite sides of and parallel to the bore. As compared with optical communication cables hitherto proposed, the optical cable is simple and inexpensive and because limited movement of the flexible support member - and hence of each optical fibre - can take place within the cable, there is substantially less risk of fracture of or damage to any optical fibre during manufacture and installation of the cable.

291828

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