JPH0315653Y2 - - Google Patents
Info
- Publication number
- JPH0315653Y2 JPH0315653Y2 JP4330387U JP4330387U JPH0315653Y2 JP H0315653 Y2 JPH0315653 Y2 JP H0315653Y2 JP 4330387 U JP4330387 U JP 4330387U JP 4330387 U JP4330387 U JP 4330387U JP H0315653 Y2 JPH0315653 Y2 JP H0315653Y2
- Authority
- JP
- Japan
- Prior art keywords
- edge
- frame
- opening edge
- housing
- underground
- 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 claims description 26
- 239000007769 metal material Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 description 17
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4330387U JPH0315653Y2 (enrdf_load_html_response) | 1987-03-23 | 1987-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4330387U JPH0315653Y2 (enrdf_load_html_response) | 1987-03-23 | 1987-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63151564U JPS63151564U (enrdf_load_html_response) | 1988-10-05 |
| JPH0315653Y2 true JPH0315653Y2 (enrdf_load_html_response) | 1991-04-04 |
Family
ID=30860033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4330387U Expired JPH0315653Y2 (enrdf_load_html_response) | 1987-03-23 | 1987-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315653Y2 (enrdf_load_html_response) |
-
1987
- 1987-03-23 JP JP4330387U patent/JPH0315653Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63151564U (enrdf_load_html_response) | 1988-10-05 |
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