| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a die temperature measuring device capable of sufficiently preventing attachment of a mold lubricant or water vapor to a lens of a radiation thermometer and capable of accurately measuring the temperature of a die. Ž<P>SOLUTION: The die temperature measuring device 1 includes the radiation thermometer 3 for measuring the temperature of the die, a protective case 2 for housing the radiation thermometer 3, an air purge tube 4 disposed in front of the protective case 2 so that the measuring light path of the radiation thermometer 3 can pass, and air supply means 5, 6 for supplying an air flow C which flows forward in the air purge tube 4 along its axis line direction. The die temperature measuring device 1 further includes second air supply means 8a, 8b, 9a, 9b, 4b, 10 for supplying air flows A, B which flow forward in the air purge tube 4 while rotating along its inner circumference surface 4c. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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