| 摘要 |
PURPOSE: A channel pipe packing structure seals up the gap between a channel pipe and a tube to prevent leakage and does not need separate packing. CONSTITUTION: A packing structure comprises a channel pipe(40), a nut joint(42), a tube(46) and a sealing part(42c). The channel pipe(40) is an outlet of a tank which is a part of a water purification flow channel of a refrigerator. The nut joint(42) has an engaging groove(42a) to which the channel pipe(40) is inserted and screw engaged by screw. The tube(46) is inserted inside the connecting part of the channel pipe(40) and the nut joint(42). The sealing part(42c) is protrusively formed inside the nut joint(42) to be inserted between the tube(46) and the channel pipe(42).
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