C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
327/38, 49/82
C03B 23/207 (2006.01) B23K 9/00 (2006.01) G02B 6/255 (2006.01)
Patent
CA 1112302
APPARATUS FOR FUSION SPLICING OF OPTICAL FIBERS Abstract of the Disclosure A fusion apparatus for fusing a pair of optical fibers end-to-end by an electrical arc has a fiber gripping head on a support housing in which the various electrical and electronic circuits and control devices are housed. The gripping head has two fiber holding members, each member having a first portion for holding a coated portion of a fiber and a second spring loaded portion for bearing on a stripped portion of a fiber end. The second portion is deflectable relative to the first portion. Two electrodes, in opposition, are mounted one on each side of an axis through the fiber ends. A prefusion arc can be provided for initial rounding of the fiber ends. The prefusion arc and fusion arc times can be preset. Transfer members can be mounted on the housing for moving a fused pair of fibers to a heating position where a heat shrank sleeve, previously slid on one of the fiber ends can be positioned over the splice and heat shrunk on to the splice. - i -
329570
Hvezda Jaroslav M.
Pacey Grant K.
Jelly Sidney Thomas
Northern Telecom Limited
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