JPS63120099U - - Google Patents
Info
- Publication number
- JPS63120099U JPS63120099U JP982687U JP982687U JPS63120099U JP S63120099 U JPS63120099 U JP S63120099U JP 982687 U JP982687 U JP 982687U JP 982687 U JP982687 U JP 982687U JP S63120099 U JPS63120099 U JP S63120099U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- heating element
- molybdenum
- protection tube
- alumina
- 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 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Furnace Details (AREA)
Description
第１図は従来の真空焼結炉を一部断面で示す概
略図、第２図は従来の電極とカーボン質発熱体と
の接続部の部分拡大側断面図、第３図はコバルト
ガスを浴びて溶損を発生した従来電極を示す部分
側断面図、第４図は本考案のリングを装着した状
態を示す第２図相当の部分拡大側断面図である。
図中１…炉体、２…耐火断熱材、３…カーボン
質発熱体、４…アルミナ質保護管、５…モリブデ
ン電極、６…水冷式電極ターミナル、９…カーボ
ン質リング。
Figure 1 is a partial cross-sectional schematic diagram of a conventional vacuum sintering furnace, Figure 2 is a partially enlarged side cross-sectional view of the connection between a conventional electrode and a carbonaceous heating element, and Figure 3 is a partial cross-sectional view of a conventional vacuum sintering furnace exposed to cobalt gas. FIG. 4 is a partially enlarged side sectional view corresponding to FIG. 2 showing a state in which the ring of the present invention is attached. In the figure, 1...Furnace body, 2...Refractory heat insulating material, 3...Carbon heating element, 4...Alumina protection tube, 5...Molybdenum electrode, 6...Water-cooled electrode terminal, 9...Carbon ring.
Claims (1)
ボン質発熱体、前記発熱体に接続されたモリブデ
ン電極、前記電極を冷却する水冷式電極ターミナ
ル及び前記モリブデン電極を保護するアルミナ質
保護管とからなるとともに、前記カーボン質発熱
体と前記アルミナ質保護管との間に介在しかつ前
記モリブデン電極をリング状に被覆する保護リン
グを更に備えてなる電極保護リングを有する真空
焼結炉の構造。 A carbonaceous heating element provided inside the refractory heat insulating material in the furnace body, a molybdenum electrode connected to the heating element, a water-cooled electrode terminal that cools the electrode, and an alumina protection tube that protects the molybdenum electrode. The structure of a vacuum sintering furnace has an electrode protection ring further comprising a protection ring interposed between the carbon heating element and the alumina protection tube and covering the molybdenum electrode in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP982687U JPH0228397Y2 (en) | 1987-01-28 | 1987-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP982687U JPH0228397Y2 (en) | 1987-01-28 | 1987-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63120099U true JPS63120099U (en) | 1988-08-03 |
| JPH0228397Y2 JPH0228397Y2 (en) | 1990-07-30 |
Family
ID=30795506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP982687U Expired JPH0228397Y2 (en) | 1987-01-28 | 1987-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228397Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363494A (en) * | 1989-07-31 | 1991-03-19 | Hanawa Netsuden Kinzoku Kk | High temperature heating device |
-
1987
- 1987-01-28 JP JP982687U patent/JPH0228397Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363494A (en) * | 1989-07-31 | 1991-03-19 | Hanawa Netsuden Kinzoku Kk | High temperature heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0228397Y2 (en) | 1990-07-30 |
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