| 摘要 |
PROBLEM TO BE SOLVED: To provide a nozzle capable of being easily manufactured and preventing clogging. SOLUTION: The nozzle 1 is provided with a tubular sintered compact 2 and a tubular sintered compact 3 arranged inside the sintered compact 2 so that the outer peripheral surface is brought into contact with the inner peripheral surface of the sintered compact 2 and having a density higher than that of the sintered compact 2. The nozzle 1 is provided further with a tubular metallic tube 7 having a density higher than that of the sintered compact 3. The sintered compact 2 is arranged inside the metallic tube 7 so that the outer peripheral surface 2b is brought into contact with the inner peripheral surface 7a of the metallic tube 7. COPYRIGHT: (C)2008,JPO&INPIT
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