KR890003565Y1 - 조립식 부동 수위계 - Google Patents
조립식 부동 수위계 Download PDFInfo
- Publication number
- KR890003565Y1 KR890003565Y1 KR2019820004799U KR820004799U KR890003565Y1 KR 890003565 Y1 KR890003565 Y1 KR 890003565Y1 KR 2019820004799 U KR2019820004799 U KR 2019820004799U KR 820004799 U KR820004799 U KR 820004799U KR 890003565 Y1 KR890003565 Y1 KR 890003565Y1
- Authority
- KR
- South Korea
- Prior art keywords
- tube
- heating tube
- current heating
- skin
- water level
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 33
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000005485 electric heating Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 20
- 239000010959 steel Substances 0.000 description 20
- 230000008014 freezing Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 241000555745 Sciuridae Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982061972U JPS58165625U (ja) | 1982-04-30 | 1982-04-30 | 組立式不凍水位計 |
JP57-61972 | 1982-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840000732U KR840000732U (ko) | 1984-02-29 |
KR890003565Y1 true KR890003565Y1 (ko) | 1989-05-27 |
Family
ID=30072146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019820004799U Expired KR890003565Y1 (ko) | 1982-04-30 | 1982-06-18 | 조립식 부동 수위계 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS58165625U (enrdf_load_stackoverflow) |
KR (1) | KR890003565Y1 (enrdf_load_stackoverflow) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6018925B2 (ja) * | 1980-03-12 | 1985-05-13 | 日本工営株式会社 | 電気的凍結防止水位計 |
-
1982
- 1982-04-30 JP JP1982061972U patent/JPS58165625U/ja active Granted
- 1982-06-18 KR KR2019820004799U patent/KR890003565Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6234263Y2 (enrdf_load_stackoverflow) | 1987-09-01 |
KR840000732U (ko) | 1984-02-29 |
JPS58165625U (ja) | 1983-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19820618 |
|
UG1501 | Laying open of application | ||
UA0201 | Request for examination |
Patent event date: 19840905 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19820618 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19890428 |
|
UE0701 | Decision of registration |
Patent event date: 19890825 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
UR0701 | Registration of establishment |
Patent event date: 19890907 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19890907 |
|
UR1001 | Payment of annual fee |
Payment date: 19920427 Start annual number: 4 End annual number: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 19930331 Start annual number: 5 End annual number: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 19940308 Start annual number: 6 End annual number: 6 |
|
UC1801 | Expiration of term |
Termination category: Others Termination date: 19951120 |