JPS6231994Y2 - - Google Patents
Info
- Publication number
- JPS6231994Y2 JPS6231994Y2 JP7096880U JP7096880U JPS6231994Y2 JP S6231994 Y2 JPS6231994 Y2 JP S6231994Y2 JP 7096880 U JP7096880 U JP 7096880U JP 7096880 U JP7096880 U JP 7096880U JP S6231994 Y2 JPS6231994 Y2 JP S6231994Y2
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- heater
- tip
- core metal
- well
- 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims 1
- 229910001026 inconel Inorganic materials 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096880U JPS6231994Y2 (hu) | 1980-05-23 | 1980-05-23 | |
| GB8031547A GB2076618B (en) | 1980-05-23 | 1980-09-30 | Preheater for mounting in a well tube |
| DE19803038177 DE3038177A1 (de) | 1980-05-23 | 1980-10-09 | Vorwaermvorrichtung zum einbau in ein ummantelungsrohr |
| FR8021606A FR2483157A1 (fr) | 1980-05-23 | 1980-10-09 | Dispositif de prechauffage destine a etre monte dans un tube de guidage |
| US06/196,035 US4359627A (en) | 1980-05-23 | 1980-10-10 | Preheater mounted within a well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096880U JPS6231994Y2 (hu) | 1980-05-23 | 1980-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56172288U JPS56172288U (hu) | 1981-12-19 |
| JPS6231994Y2 true JPS6231994Y2 (hu) | 1987-08-15 |
Family
ID=29664800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7096880U Expired JPS6231994Y2 (hu) | 1980-05-23 | 1980-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6231994Y2 (hu) |
-
1980
- 1980-05-23 JP JP7096880U patent/JPS6231994Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56172288U (hu) | 1981-12-19 |
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