Thermal measuring and testing – Temperature measurement – Of molten metal
Reexamination Certificate
2005-08-02
2005-08-02
Verbitsky, Gail (Department: 2859)
Thermal measuring and testing
Temperature measurement
Of molten metal
C374S141000, C374S148000, C374S124000, C374S125000, C374S131000, C374S132000, C374S208000, C266S088000, C266S100000, C266S135000, C250S491100
Reexamination Certificate
active
06923573
ABSTRACT:
The invention provides a cooling system for protecting an image fiber and an imaging device from thermal influences and a temperature measurement apparatus, for a molten metal, capable of being easily controlled and stably measuring the temperature. The temperature measurement apparatus for a molten metal comprises four connectable portions of a nozzle portion a purge/cooling gas introduction portion, an image fiber fitting portion with a window glass and an image fiber to a double pipe nozzle protection tube. A distance from a nozzle distal end as an introduction portion of thermal radiation light to a light reception portion at an image fiber distal end becomes short so that a greater amount of thermal radiation light can be received.
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Horikoshi Kiyomi
Sugiura Masato
Sumi Makoto
Tanaka Tomoaki
Yamashita Kosuke
Baker & Botts LLP
Nippon Steel Corporation
Nittetsu Plant Designing Corporation
Pruchnic Jr. Stanley J.
Verbitsky Gail
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