Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1992-12-03
1993-11-23
Echols, P. W.
Metal working
Method of mechanical manufacture
Assembling or joining
295272, 264 15, 15624412, 228148, B23P 2500, B29C 4700, B29D 1100, B21D 3902
Patent
active
052632393
ABSTRACT:
A method is disclosed for manufacturing an optical fiber cable element having plurality of optical fibers which are arranged with excess length inside a pressure-tight metal tube. Means are provided inside the metal tube for protecting the optical fibers and for longitudinal sealing. The optical fibers are first embedded in a soft or compressible compound to form a cable element core. The outside, diameter of the cable element core generally corresponds to the inside diameter of the metal tube in the finished cable and the optical fibers being present with excess length in the cable element core. A metal band is subsequently continuously formed into a slotted tube surrounding the cable element core. A distance remains between the cable element core and the tube. The slotted tube is welded together and the tube is drawn down onto the cable element core.
REFERENCES:
patent: 4129468 (1978-12-01), Knab
patent: 4468435 (1984-08-01), Shimba et al.
patent: 4741470 (1988-05-01), Winter et al.
patent: 4759487 (1988-07-01), Karlinski
patent: 4852790 (1989-08-01), Karlinski
Bryant David P.
Echols P. W.
Kabelmetal Electro GmbH
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