Method for connecting optical fiber cables
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United States of America Patent
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-
Sep 17, 1996
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Jun 27, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A test piece 1 is prepared having the same metal tube 2 and metal sleeve 4 as in the case of metal tube covered optical fiber cables 10 and 20 to be connected and a sensor 5 for measuring temperatures in the vicinity of a welding part, prior to connection of the cables an optimum welding condition is set by variously changing welding conditions using the test piece 1 and measuring temperatures in the vicinity of the welding part with the sensor 5, the connection is made under such an optimum welding condition, and after this connection welding is done under one and the same condition as in the case of the connection using the other test piece 1, and then by the output of the sensor 5 it is to be made sure that the connection has been carried out almost under the same condition as the optimum welding condition.
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