JPH0375385U - - Google Patents
Info
- Publication number
- JPH0375385U JPH0375385U JP13672489U JP13672489U JPH0375385U JP H0375385 U JPH0375385 U JP H0375385U JP 13672489 U JP13672489 U JP 13672489U JP 13672489 U JP13672489 U JP 13672489U JP H0375385 U JPH0375385 U JP H0375385U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- spiral
- main body
- polyethylene
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims 2
- -1 polyethylene Polymers 0.000 claims 2
- 229920000573 polyethylene Polymers 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 2
- 239000000057 synthetic resin Substances 0.000 claims 2
- 230000035699 permeability Effects 0.000 claims 1
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13672489U JPH0375385U (no) | 1989-11-24 | 1989-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13672489U JPH0375385U (no) | 1989-11-24 | 1989-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0375385U true JPH0375385U (no) | 1991-07-29 |
Family
ID=31683917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13672489U Pending JPH0375385U (no) | 1989-11-24 | 1989-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375385U (no) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5327239A (en) * | 1976-08-27 | 1978-03-14 | Akio Nagayoshi | Method of making underdrain pipe of high flexibility |
-
1989
- 1989-11-24 JP JP13672489U patent/JPH0375385U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5327239A (en) * | 1976-08-27 | 1978-03-14 | Akio Nagayoshi | Method of making underdrain pipe of high flexibility |