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    • 4. 发明专利
    • Method for removing branch pipe
    • 拆卸分支管的方法
    • JP2005305599A
    • 2005-11-04
    • JP2004126278
    • 2004-04-22
    • Dai Ichi High Frequency Co Ltd第一高周波工業株式会社
    • YOSHIDA HIROTAKASATO MICHIOKUROKAWA YUJI
    • B23P21/00B21C37/16B21D39/06B23P11/02B23P19/00B23P19/02B23P19/04F22B37/58H01J1/62
    • B21C37/16B23P11/025B23P19/025Y10T29/49817Y10T29/49821Y10T29/49822
    • PROBLEM TO BE SOLVED: To provide a method for easily and quickly removing a branch pipe which is inserted into a hole of a pipe supporting plate and is fixed to the pipe supporting plate by enlarging its diameter, the hole having an annular groove on its inside peripheral surface. SOLUTION: When the branch pipe 3 fixed to the pipe supporting plate 1 by enlarging its diameter is removed, first the inserted portion 3a fixed to the hole 2 of the pipe supporting plate 1 is loosened from the hole 2 of the pipe supporting plate by reducing the diameter by heating and then cooling it, next the region 3h facing to the groove 4 formed on the inside peripheral surface of the hole is heated, and then the branch pipe 3 is drawn out from the pipe supporting plate 1 by pulling the branch pipe 3 in the longitudinal direction in order to shrink its diameter and break the red heated region 3h by elongating it. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种方法,用于容易且快速地移除插入到管支撑板的孔中并通过扩大其直径而固定到管支撑板的分支管,该孔具有环形槽 在其内周面。 解决方案:当通过扩大其直径固定在管支撑板1上的分支管3被去除时,首先将固定在管支承板1的孔2上的插入部分3a从管支撑件的孔2松开 通过加热减少直径然后冷却,然后加热面对形成在孔的内周面上的凹槽4的区域3h,然后通过拉动将支管3从管道支撑板1拉出 分支管3在纵向方向上以缩小其直径并通过使其红色加热区域3h断裂。 版权所有(C)2006,JPO&NCIPI