Apparatus for manufacturing metal tube covered optical fiber...

Details Apparatus for manufacturing metal tube covered optical fiber... Apparatus for manufacturing metal tube covered optical fiber...

G - Physics

02

B

G02B 6/44 (2006.01) B23K 26/26 (2006.01)

Patent

CA 2046319

- 45 - A B S T R A C T An apparatus for manufacturing a metal tube covered optical fiber cable, including an assembly (2) having a plurality of roller pairs, for causing both side edges of a metal strip (1) to abut against each other to form the metal strip into a metal tube, a laser welding means (7) for radiating a laser beam to abutment portions of the metal tube to bond the abutment portions to obtain a sealed metal tube (lc), and an optical fiber guiding means (6) for guiding an optical fiber (5) in a formed metal tube (la) comprises an extra length control means comprising a tension adjusting means (15) for the metal strip (1) arranged in the upstream of the assembly (2) and a tension adjusting means (14) for the optical fiber (5) arranged in the upstream of the optical fiber guide means (6), and a traction means (11, 13) including tension variable means (11) for the metal tube covered optical fiber cable (ld).

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