JPH0430476Y2 - - Google Patents
Info
- Publication number
- JPH0430476Y2 JPH0430476Y2 JP7096289U JP7096289U JPH0430476Y2 JP H0430476 Y2 JPH0430476 Y2 JP H0430476Y2 JP 7096289 U JP7096289 U JP 7096289U JP 7096289 U JP7096289 U JP 7096289U JP H0430476 Y2 JPH0430476 Y2 JP H0430476Y2
- Authority
- JP
- Japan
- Prior art keywords
- spiral pipe
- protrusion
- reinforcing plate
- spiral
- synthetic resin
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 5
- 239000000057 synthetic resin Substances 0.000 claims description 5
- 239000002689 soil Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096289U JPH0430476Y2 (ko) | 1989-06-16 | 1989-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096289U JPH0430476Y2 (ko) | 1989-06-16 | 1989-06-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0311188U JPH0311188U (ko) | 1991-02-04 |
| JPH0430476Y2 true JPH0430476Y2 (ko) | 1992-07-22 |
Family
ID=31607578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7096289U Expired JPH0430476Y2 (ko) | 1989-06-16 | 1989-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430476Y2 (ko) |
-
1989
- 1989-06-16 JP JP7096289U patent/JPH0430476Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0311188U (ko) | 1991-02-04 |
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