发明名称 GAS LEAK REPAIR METHOD OF COMMUNICATION LINE
摘要 <p>PROBLEM TO BE SOLVED: To provide a gas leak repair method of communication line capable of reliably repairing a gas leak point in a short time, without stopping a gas flow in a cable jacket of the communication line.SOLUTION: A gas leak repair method of communication line includes a step for bringing a gas valve 5 having a base 5a provided with a through hole 5b into a state that the ventilation can be made, and arranging the base 5a at a gas leak point of a communication line 1, a step for fixing the base 5a tightly to the communication line 1 with a gas leak sealing member 8 while keeping the state that the ventilation can be made with the gas valve 5, and a step for bringing the gas valve 5 into a state that the ventilation cannot be made by closing it, following to the step for fixing the base 5a tightly.</p>
申请公布号 JP2015033259(A) 申请公布日期 2015.02.16
申请号 JP20130162452 申请日期 2013.08.05
申请人 NIPPON TSUSHIN DENZAI KK 发明人 YAMANAKA MASANORI;UBUKAWA HISAHIKO;OSUGI TETSUYA
分类号 H02G15/28 主分类号 H02G15/28
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