| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a carburizing method for performing a carburizing treatment to a workpiece without retaining carburizing gas around the workpiece. <P>SOLUTION: The carburizing method for carburizing treatment to the workpiece W by a structure including a heating coil 10 for heating the workpiece W and a gas nozzle 20 to which a gas injection opening 21 that jets carburizing gas 30 is formed includes a carburizing process where the carburizing gas 30 of a concentration less than explosion mixture limit is sprayed directly from the gas injection opening 21 to the workpiece W which is heated by the heating coil 10. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
