JPS6348553Y2 - - Google Patents
Info
- Publication number
- JPS6348553Y2 JPS6348553Y2 JP4087884U JP4087884U JPS6348553Y2 JP S6348553 Y2 JPS6348553 Y2 JP S6348553Y2 JP 4087884 U JP4087884 U JP 4087884U JP 4087884 U JP4087884 U JP 4087884U JP S6348553 Y2 JPS6348553 Y2 JP S6348553Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- lid body
- inspection port
- ribs
- frame
- 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
- 238000007689 inspection Methods 0.000 claims description 15
- 239000003365 glass fiber Substances 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000004567 concrete Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4087884U JPS60154298U (ja) | 1984-03-22 | 1984-03-22 | Ｇｒｃ点検口ユニツト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4087884U JPS60154298U (ja) | 1984-03-22 | 1984-03-22 | Ｇｒｃ点検口ユニツト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60154298U JPS60154298U (ja) | 1985-10-15 |
| JPS6348553Y2 true JPS6348553Y2 (en, 2012) | 1988-12-14 |
Family
ID=30550181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4087884U Granted JPS60154298U (ja) | 1984-03-22 | 1984-03-22 | Ｇｒｃ点検口ユニツト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60154298U (en, 2012) |
-
1984
- 1984-03-22 JP JP4087884U patent/JPS60154298U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60154298U (ja) | 1985-10-15 |
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