JPS61190352U - - Google Patents
Info
- Publication number
- JPS61190352U JPS61190352U JP7244885U JP7244885U JPS61190352U JP S61190352 U JPS61190352 U JP S61190352U JP 7244885 U JP7244885 U JP 7244885U JP 7244885 U JP7244885 U JP 7244885U JP S61190352 U JPS61190352 U JP S61190352U
- Authority
- JP
- Japan
- Prior art keywords
- ceramic bushing
- metal
- thermal expansion
- coefficient
- hole
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
Landscapes
- Measuring Volume Flow (AREA)
- Ceramic Products (AREA)
Description
第１図は本考案の一実施例を示す部分断面図、
第２図は第１図に示す電極アセンブリを作る場合
の型治具の構成を示す断面図、第３図は本考案の
第２の実施例を示す部分断面図、第４図は本考案
の第３の実施例を示す部分断面図、第５図は本考
案の第４の実施例を示す部分断面図、第６図は従
来の第１の電極接合構造を示す部分断面図、第７
図は従来の第２の電極接合構造を示す部分断面図
である。
１０，３８…管体、１３，２７，３４，４８，
５０…セラミツクスブツシユ、１７，２９，３６
，５１，５３…電極、２５，３１…金属スリーブ
、Ｂ，Ｃ，Ｆ…テーパ部。
FIG. 1 is a partial sectional view showing an embodiment of the present invention;
Fig. 2 is a cross-sectional view showing the configuration of a mold jig for making the electrode assembly shown in Fig. 1, Fig. 3 is a partial cross-sectional view showing the second embodiment of the present invention, and Fig. 4 is a cross-sectional view showing the structure of the mold jig for making the electrode assembly shown in Fig. 1. FIG. 5 is a partial sectional view showing the fourth embodiment of the present invention; FIG. 6 is a partial sectional view showing the conventional first electrode bonding structure;
The figure is a partial cross-sectional view showing a conventional second electrode bonding structure. 10, 38... tube body, 13, 27, 34, 48,
50... Ceramic bush, 17, 29, 36
, 51, 53... Electrode, 25, 31... Metal sleeve, B, C, F... Taper portion.
Claims (1)
ツシユと、軸方向の端部における断面積が中央部
より大きくなるように金属を溶融状にして前記貫
通孔に形成し熱膨脹率が前記セラミツクスブツシ
ユより大きいシヤフトと、熱膨脹率が前記セラミ
ツクスブツシユより大きい金属を前記セラミツク
スブツシユの外側に溶融状にして形成されたスリ
ーブとを有し、前記金属の凝固状態で前記金属と
前記セラミツクスブツシユの熱膨脹率の差により
面圧を生ぜしめ接合面の気密を確保することを特
徴とする気密接合構造。 A cylindrical ceramic bushing having a through hole in the center, and a molten metal formed in the through hole so that the cross-sectional area at the end in the axial direction is larger than the center part, and the coefficient of thermal expansion is higher than that of the ceramic bushing. The sleeve has a large shaft and a sleeve formed by melting a metal having a coefficient of thermal expansion larger than that of the ceramic bushing on the outside of the ceramic bushing, and when the metal is solidified, the metal and the ceramic bushing undergo thermal expansion. An airtight joint structure characterized by generating surface pressure due to the difference in ratio and ensuring airtightness of the joint surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7244885U JPS61190352U (en) | 1985-05-16 | 1985-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7244885U JPS61190352U (en) | 1985-05-16 | 1985-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190352U true JPS61190352U (en) | 1986-11-27 |
Family
ID=30610858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7244885U Pending JPS61190352U (en) | 1985-05-16 | 1985-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190352U (en) |
-
1985
- 1985-05-16 JP JP7244885U patent/JPS61190352U/ja active Pending
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