| 摘要 |
PROBLEM TO BE SOLVED: To improve workability of a water supply box and the interchangeability of the box and implements installed in the box and facilitating the connection of branch metal fittings on the way of existing resin pipes. SOLUTION: In the water supply box having a resin tube, a resin tube joint connected to the resin tube, an implement detachably connected to the resin tube joint, and a box covering these joint parts, the internal diameter of the resin tube insertion inlet of the box is larger than the external diameter of the resin tube joint. And further, a resin tube holder holding the resin tube inserted in the inlet of the resin tube insertion opening is provided. COPYRIGHT: (C)2003,JPO
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