JPH0242749Y2 - - Google Patents
Info
- Publication number
- JPH0242749Y2 JPH0242749Y2 JP13332284U JP13332284U JPH0242749Y2 JP H0242749 Y2 JPH0242749 Y2 JP H0242749Y2 JP 13332284 U JP13332284 U JP 13332284U JP 13332284 U JP13332284 U JP 13332284U JP H0242749 Y2 JPH0242749 Y2 JP H0242749Y2
- Authority
- JP
- Japan
- Prior art keywords
- cap
- key hole
- top plate
- manhole cover
- keyhole
- 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
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13332284U JPH0242749Y2 (en]) | 1984-08-31 | 1984-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13332284U JPH0242749Y2 (en]) | 1984-08-31 | 1984-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6150142U JPS6150142U (en]) | 1986-04-04 |
| JPH0242749Y2 true JPH0242749Y2 (en]) | 1990-11-14 |
Family
ID=30691871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13332284U Expired JPH0242749Y2 (en]) | 1984-08-31 | 1984-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242749Y2 (en]) |
-
1984
- 1984-08-31 JP JP13332284U patent/JPH0242749Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6150142U (en]) | 1986-04-04 |
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