JPS6124592Y2 - - Google Patents
Info
- Publication number
- JPS6124592Y2 JPS6124592Y2 JP16828182U JP16828182U JPS6124592Y2 JP S6124592 Y2 JPS6124592 Y2 JP S6124592Y2 JP 16828182 U JP16828182 U JP 16828182U JP 16828182 U JP16828182 U JP 16828182U JP S6124592 Y2 JPS6124592 Y2 JP S6124592Y2
- Authority
- JP
- Japan
- Prior art keywords
- receiving frame
- iron
- lid
- iron lid
- elongation
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 86
- 229910052742 iron Inorganic materials 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000003746 surface roughness Effects 0.000 claims description 11
- 229910001141 Ductile iron Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16828182U JPS5973449U (ja) | 1982-11-05 | 1982-11-05 | 丸型蓋構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16828182U JPS5973449U (ja) | 1982-11-05 | 1982-11-05 | 丸型蓋構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5973449U JPS5973449U (ja) | 1984-05-18 |
| JPS6124592Y2 true JPS6124592Y2 (enrdf_load_html_response) | 1986-07-23 |
Family
ID=30367935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16828182U Granted JPS5973449U (ja) | 1982-11-05 | 1982-11-05 | 丸型蓋構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5973449U (enrdf_load_html_response) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5572492B2 (ja) * | 2010-09-13 | 2014-08-13 | 日本鋳鉄管株式会社 | 地下構造物用蓋と受枠との嵌合構造 |
| JP6324367B2 (ja) * | 2013-02-18 | 2018-05-16 | 日之出水道機器株式会社 | 地下構造物用蓋 |
-
1982
- 1982-11-05 JP JP16828182U patent/JPS5973449U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5973449U (ja) | 1984-05-18 |
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