JPS61189588U - - Google Patents
Info
- Publication number
- JPS61189588U JPS61189588U JP7431885U JP7431885U JPS61189588U JP S61189588 U JPS61189588 U JP S61189588U JP 7431885 U JP7431885 U JP 7431885U JP 7431885 U JP7431885 U JP 7431885U JP S61189588 U JPS61189588 U JP S61189588U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- metal tube
- lid
- sheath tube
- heating element
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 description 2
Landscapes
- Resistance Heating (AREA)
Description
第1図及び第2図は本考案のシース管の蓋部分
の溶接部形成前及び形成後の要部断面図、第3図
は従来のカートリツジヒータの断面図、第4図及
び第5図は従来例によるカートリツジヒータのシ
ース管の蓋部分の溶接部形成前及び形成後の要部
断面図である。
7……金属管、9……蓋、71……内壁、79
……溶接部。
Figures 1 and 2 are sectional views of essential parts of the sheath tube lid portion of the present invention before and after welding is formed, Figure 3 is a sectional view of a conventional cartridge heater, and Figures 4 and 5. 2A and 2B are cross-sectional views of main parts of a lid portion of a sheath tube of a conventional cartridge heater before and after welding is formed. 7...Metal tube, 9...Lid, 71...Inner wall, 79
……welded part.
Claims (1)
4に発熱体23を挿入するとともに、このシース
管4と発熱体23の隙間に電気絶縁粉末5を充て
んし、そのシース管4を減径してなるカートリツ
ジヒータにおいて、前記蓋9を金属管7の一端よ
りその内側に位置させ、金属管7の内壁71に溶
接したことを特徴とするカートリツジヒータ。 A heating element 23 is inserted into a sheath tube 4 having a lid 9 at one end of the metal tube 7, and the gap between the sheath tube 4 and the heating element 23 is filled with electrically insulating powder 5 to reduce the sheath tube 4. A cartridge heater characterized in that the lid 9 is located inside one end of the metal tube 7 and is welded to the inner wall 71 of the metal tube 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7431885U JPS61189588U (en) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7431885U JPS61189588U (en) | 1985-05-20 | 1985-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61189588U true JPS61189588U (en) | 1986-11-26 |
Family
ID=30614502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7431885U Pending JPS61189588U (en) | 1985-05-20 | 1985-05-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61189588U (en) |
-
1985
- 1985-05-20 JP JP7431885U patent/JPS61189588U/ja active Pending