JPH0747461Y2 - マンホール蓋用受枠 - Google Patents
マンホール蓋用受枠Info
- Publication number
- JPH0747461Y2 JPH0747461Y2 JP10707589U JP10707589U JPH0747461Y2 JP H0747461 Y2 JPH0747461 Y2 JP H0747461Y2 JP 10707589 U JP10707589 U JP 10707589U JP 10707589 U JP10707589 U JP 10707589U JP H0747461 Y2 JPH0747461 Y2 JP H0747461Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat insulating
- manhole
- insulating material
- receiving frame
- manhole cover
- 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 - Lifetime
Links
- 239000011810 insulating material Substances 0.000 claims description 35
- 230000002093 peripheral effect Effects 0.000 description 10
- 238000005192 partition Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10707589U JPH0747461Y2 (ja) | 1989-09-12 | 1989-09-12 | マンホール蓋用受枠 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10707589U JPH0747461Y2 (ja) | 1989-09-12 | 1989-09-12 | マンホール蓋用受枠 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0346547U JPH0346547U (en]) | 1991-04-30 |
| JPH0747461Y2 true JPH0747461Y2 (ja) | 1995-11-01 |
Family
ID=31655792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10707589U Expired - Lifetime JPH0747461Y2 (ja) | 1989-09-12 | 1989-09-12 | マンホール蓋用受枠 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747461Y2 (en]) |
-
1989
- 1989-09-12 JP JP10707589U patent/JPH0747461Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0346547U (en]) | 1991-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |