B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
26/197, 88/97.34
B32B 17/02 (2006.01) C03B 37/15 (2006.01) G02B 6/255 (2006.01) G02B 6/40 (2006.01) G02B 6/44 (2006.01) G02B 7/00 (2006.01)
Patent
CA 1054413
ABSTRACT An improved fibre-optic cable termination which substantially reduces light losses and also facilitates cable termination in the field as opposed to the factory. According to this method the fibres are compressed by pushing the bundle, preferably sheathed in a thin glass ferrule, into a heated tool having a tapered hole. A protective metal coupling may be incorporated by heating a metal sheath with a tapered bore and pushing the glass sheathed bundle into the metal sheath. The metal sheath may then constitute a pin of a pin and socket optical coupling. In all cases the temperature and pressure are adjusted so that the individual fibres are squeezed into approximately hexagonal form so as to eliminate the interstices to a substantial extend. The temperature and pressure are, however, limited to prevent any substantial fusion and coalescing of fibres and consequent loss of the optical barrier between them. -1-
256573
Larner David J.
Lewis Edward L.
Elliott Brothers (london) Limited
Na
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