发明名称 |
GAS SUPPLY TUBE, HEAT TREATMENT FURNACE USING SAME, HEAT TREATMENT METHOD |
摘要 |
PROBLEM TO BE SOLVED: To provide a gas supply tube, a heat treatment furnace using the same, and a heat treatment method wherein atmospheric gas is uniformly injected over a wide area to keep uniformly the atmosphere in the het treatment furnace. SOLUTION: A gas injection hole 4 formed in a cylindrical section 2 is used as a through-hole formed by elongating the cylindrical section 2 axially. The gas injection hole formed in the cylindrical section is used as a substantially parallel slit shaped elongated holes located substantially parallel in its longitudinal direction with respect to an axial direction of the cylindrical section. 10r 2 or more of the gas injection holes are formed longitudinally of the cylindrical section, and 1 or 2 or more of the cylindrical sections are formed peripherally of the same.
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申请公布号 |
JP2002039691(A) |
申请公布日期 |
2002.02.06 |
申请号 |
JP20000226936 |
申请日期 |
2000.07.27 |
申请人 |
MURATA MFG CO LTD |
发明人 |
ITO TAKESHI;MORII HIROSHI |
分类号 |
F27B5/16;F27D7/02;(IPC1-7):F27D7/02 |
主分类号 |
F27B5/16 |
代理机构 |
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主权项 |
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地址 |
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