JPS6215344Y2 - - Google Patents
Info
- Publication number
- JPS6215344Y2 JPS6215344Y2 JP8471281U JP8471281U JPS6215344Y2 JP S6215344 Y2 JPS6215344 Y2 JP S6215344Y2 JP 8471281 U JP8471281 U JP 8471281U JP 8471281 U JP8471281 U JP 8471281U JP S6215344 Y2 JPS6215344 Y2 JP S6215344Y2
- Authority
- JP
- Japan
- Prior art keywords
- joint
- engagement surface
- box culvert
- locking groove
- convex
- 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
- 238000012856 packing Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8471281U JPS6215344Y2 (h) | 1981-06-09 | 1981-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8471281U JPS6215344Y2 (h) | 1981-06-09 | 1981-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57197574U JPS57197574U (h) | 1982-12-15 |
| JPS6215344Y2 true JPS6215344Y2 (h) | 1987-04-18 |
Family
ID=29880060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8471281U Expired JPS6215344Y2 (h) | 1981-06-09 | 1981-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6215344Y2 (h) |
-
1981
- 1981-06-09 JP JP8471281U patent/JPS6215344Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57197574U (h) | 1982-12-15 |
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