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Shrinkable Tubing

Fusion Splicer

A fusion splicer that can execute fusion splice and reinforcement preparations of optical fibers to be next subjected to reinforcement treatment efficiently at a proper timing by keeping track of the reinforcement treatment progress state to perform fusion splice and reinforcement treatment in parallel with each other is provided.

TECHNICAL FIELD

This invention relates to a fusion splicer including a reinforcement treatment device for reinforcing a fusion splice part with a reinforcement sleeve after executing otdr of optical fibers by a fusion splicing device.

BACKGROUND ART

Fusion splice of optical fibers is executed by removing the fiber coatings of splice ends of the optical fibers and heating and fusing the butt end parts of bare fiber parts of exposed glass. Each bare fiber portion subjected to the fusion splicer with the fiber coating removed has weak mechanical strength and thus needs to be protected by a reinforcement member. The reinforcement member usually is formed by adding a tensile strength body (also called a reinforcement rod) in a heat-shrinkable tube shrunk radially by heating and storing a hot-melt adhesive resin material (for example, refer to patent document 1).

In general fusion splicer , for example, assuming that the time taken for fusion splice work is 10 to 20 seconds, the time required for reinforcement work is 30 to 135 seconds. Thus, even if the splice work is performed rapidly, if preparations for performing the next reinforcement treatment are delayed or much time is taken for the reinforcement treatment, the total work efficiency cannot be enhanced. Thus, patent document 1 discloses an art of placing an air blower below an electric heater plate of a reinforcement treatment device, providing a temperature sensor, executing forced cooling by the air blower after the termination of the reinforcement treatment, and making a notification of the termination of the reinforcement treatment using the temperature sensor for shortening the time of one cycle.

About the Author

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