JPH01106900U - - Google Patents
Info
- Publication number
- JPH01106900U JPH01106900U JP20101187U JP20101187U JPH01106900U JP H01106900 U JPH01106900 U JP H01106900U JP 20101187 U JP20101187 U JP 20101187U JP 20101187 U JP20101187 U JP 20101187U JP H01106900 U JPH01106900 U JP H01106900U
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- tunnel
- heating element
- treatment furnace
- atmospheric heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Tunnel Furnaces (AREA)
Description
第1図は、本考案にかゝるトンネル型雰囲気熱
処理炉の模式図、第2図は、第1図の―矢視
線に沿う断面図、第3図は従来のトンネル型雰囲
気熱処理炉の模式図、第4図は、その炉内温度分
布図である。
1……炉本体、6……徐冷室、7……冷却室、
21……発熱体。
Figure 1 is a schematic diagram of a tunnel type atmospheric heat treatment furnace according to the present invention, Figure 2 is a sectional view taken along the - arrow line in Figure 1, and Figure 3 is a schematic diagram of a conventional tunnel type atmosphere heat treatment furnace. FIG. 4 is a diagram of the temperature distribution inside the furnace. 1... Furnace body, 6... Annealing chamber, 7... Cooling chamber,
21...Heating element.
Claims (1)
の長手方向に連続してまたは断続的に発熱体を配
設したことを特徴とするトンネル型雰囲気熱処理
炉。 (2) 発熱体が、少なくとも950°C以上の自
己発熱を有することを特徴とする実用新案登録請
求の範囲第1項記載のトンネル型雰囲気熱処理炉
。[Claims for Utility Model Registration] (1) A tunnel-type atmospheric heat treatment furnace characterized in that a heating element is disposed continuously or intermittently in the longitudinal direction of a zone in the furnace that does not have a heater. (2) The tunnel-type atmospheric heat treatment furnace according to claim 1, wherein the heating element has self-heating of at least 950°C or more.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20101187U JPH0431516Y2 (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20101187U JPH0431516Y2 (en) | 1987-12-29 | 1987-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01106900U true JPH01106900U (en) | 1989-07-19 |
JPH0431516Y2 JPH0431516Y2 (en) | 1992-07-29 |
Family
ID=31491392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20101187U Expired JPH0431516Y2 (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0431516Y2 (en) |
-
1987
- 1987-12-29 JP JP20101187U patent/JPH0431516Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0431516Y2 (en) | 1992-07-29 |
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