JPH036176U - - Google Patents
Info
- Publication number
- JPH036176U JPH036176U JP6759689U JP6759689U JPH036176U JP H036176 U JPH036176 U JP H036176U JP 6759689 U JP6759689 U JP 6759689U JP 6759689 U JP6759689 U JP 6759689U JP H036176 U JPH036176 U JP H036176U
- Authority
- JP
- Japan
- Prior art keywords
- spiral protrusion
- reinforcing strip
- hollow
- hollow spiral
- protrusion
- 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.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989067596U JPH0726628Y2 (ja) | 1989-06-09 | 1989-06-09 | 耐圧合成樹脂管 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989067596U JPH0726628Y2 (ja) | 1989-06-09 | 1989-06-09 | 耐圧合成樹脂管 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036176U true JPH036176U (en]) | 1991-01-22 |
| JPH0726628Y2 JPH0726628Y2 (ja) | 1995-06-14 |
Family
ID=31601304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989067596U Expired - Lifetime JPH0726628Y2 (ja) | 1989-06-09 | 1989-06-09 | 耐圧合成樹脂管 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726628Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101026329B1 (ko) * | 2008-03-11 | 2011-03-31 | 김영욱 | 합성수지관 성형장치 및 이에 의해 제조된 합성수지관 |
-
1989
- 1989-06-09 JP JP1989067596U patent/JPH0726628Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101026329B1 (ko) * | 2008-03-11 | 2011-03-31 | 김영욱 | 합성수지관 성형장치 및 이에 의해 제조된 합성수지관 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0726628Y2 (ja) | 1995-06-14 |