| 摘要 |
PROBLEM TO BE SOLVED: To reliably efficiently supply fluid such as grinding fluid and cooling water to a contacting part (a machining part) between a grinding wheel of a grinder or a polisher and machining material, and the grinding wheel or the machining material. SOLUTION: The nozzle comprises a nozzle body 2 having a fluid passage 6 formed to gradually expand an opening from an inflow port 4 to a front side of a discharge port 5 and gradually contract the opening from the front side of the discharge port 5 to the discharge port 5. COPYRIGHT: (C)2005,JPO&NCIPI
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