| 摘要 |
PROBLEM TO BE SOLVED: To provide an economical water spray pipe joint designed so as to easily set intervals or kinds of water spray nozzles when constructing a watering system, and freely and readily varies the intervals or the like of the water spray nozzles, and to provide a watering system using the joint. SOLUTION: The water spray pipe joint is provided with the water spray nozzles 3 at the center of a pipe joint 2. The watering system uses the water spray pipe joints 1, 21, 31, or the like to freely set the intervals or the kinds of the water spray nozzles, and freely vary the water spray area to easily and economically construct the desired watering system. COPYRIGHT: (C)2006,JPO&NCIPI
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