JPS6051230A - 結氷防止鉄蓋 - Google Patents
結氷防止鉄蓋Info
- Publication number
- JPS6051230A JPS6051230A JP58155717A JP15571783A JPS6051230A JP S6051230 A JPS6051230 A JP S6051230A JP 58155717 A JP58155717 A JP 58155717A JP 15571783 A JP15571783 A JP 15571783A JP S6051230 A JPS6051230 A JP S6051230A
- Authority
- JP
- Japan
- Prior art keywords
- receiving frame
- steel cover
- cover
- iron
- lid
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 6
- 239000010959 steel Substances 0.000 title abstract 6
- 239000012212 insulator Substances 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 43
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 238000005485 electric heating Methods 0.000 claims description 2
- 230000008014 freezing Effects 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58155717A JPS6051230A (ja) | 1983-08-27 | 1983-08-27 | 結氷防止鉄蓋 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58155717A JPS6051230A (ja) | 1983-08-27 | 1983-08-27 | 結氷防止鉄蓋 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6051230A true JPS6051230A (ja) | 1985-03-22 |
JPS636690B2 JPS636690B2 (en]) | 1988-02-10 |
Family
ID=15611945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58155717A Granted JPS6051230A (ja) | 1983-08-27 | 1983-08-27 | 結氷防止鉄蓋 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6051230A (en]) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6389738A (ja) * | 1986-09-30 | 1988-04-20 | 東北電力株式会社 | 地中空洞槽の凍結防止装置 |
JPH0643051U (ja) * | 1992-11-10 | 1994-06-07 | 株式会社クボタ | マンホール蓋およびピット構造 |
WO1999067469A1 (en) * | 1998-06-05 | 1999-12-29 | Luneng, Liv | Device for heating manhole covers |
EP2194192A1 (de) * | 2008-12-08 | 2010-06-09 | Günter Arndt | Schachtabdeckung |
CN103422513A (zh) * | 2012-05-16 | 2013-12-04 | 江苏心日源建筑节能科技有限公司 | 地源热泵检查装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4525950Y1 (en]) * | 1967-07-18 | 1970-10-09 |
-
1983
- 1983-08-27 JP JP58155717A patent/JPS6051230A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4525950Y1 (en]) * | 1967-07-18 | 1970-10-09 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6389738A (ja) * | 1986-09-30 | 1988-04-20 | 東北電力株式会社 | 地中空洞槽の凍結防止装置 |
JPH0643051U (ja) * | 1992-11-10 | 1994-06-07 | 株式会社クボタ | マンホール蓋およびピット構造 |
WO1999067469A1 (en) * | 1998-06-05 | 1999-12-29 | Luneng, Liv | Device for heating manhole covers |
EP2194192A1 (de) * | 2008-12-08 | 2010-06-09 | Günter Arndt | Schachtabdeckung |
CN103422513A (zh) * | 2012-05-16 | 2013-12-04 | 江苏心日源建筑节能科技有限公司 | 地源热泵检查装置 |
CN103422513B (zh) * | 2012-05-16 | 2016-04-20 | 江苏心日源建筑节能科技股份有限公司 | 地源热泵检查装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS636690B2 (en]) | 1988-02-10 |
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