Optical fiber cable fabrication technique

Details Optical fiber cable fabrication technique Optical fiber cable fabrication technique

1984-06-29

1986-03-04

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Assembling or joining

350 9623, B23P 1904, G02B 644

Patent

active

045732531

ABSTRACT:
A process and apparatus for fabricating an optical fiber cable assembly without significantly increasing the light attenuation in the optical fiber or fibers is described. An optical fiber assembly formed in accordance with the present invention comprises at least one optical fiber encapsulated within a metal or metal alloy tube. The tube is preferably formed using a draw forming technique of pulling a metal or metal alloy tape through at least one forming die. To compensate for the compressional strain induced in the fiber or fibers by tube springback upon relaxation of the pull force and to minimize increased light attenuation in the fiber or fiber, a back tension is imparted to each optical fiber during cable assembly. In a preferred embodiment, the back tension is imparted to each fiber by an accumulator about which the optical fiber is wound.

REFERENCES:
patent: 4199224 (1980-04-01), Oestreich
patent: 4232935 (1980-11-01), Rohner et al.
patent: 4257675 (1981-03-01), Nakagome et al.
patent: 4341440 (1982-07-01), Trezeguet et al.
patent: 4367917 (1983-01-01), Gray
patent: 4372792 (1983-02-01), Dey et al.
patent: 4396446 (1983-08-01), Franken
patent: 4446686 (1984-05-01), Panuska et al.

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