JPH0439385U - - Google Patents
Info
- Publication number
- JPH0439385U JPH0439385U JP8047590U JP8047590U JPH0439385U JP H0439385 U JPH0439385 U JP H0439385U JP 8047590 U JP8047590 U JP 8047590U JP 8047590 U JP8047590 U JP 8047590U JP H0439385 U JPH0439385 U JP H0439385U
- Authority
- JP
- Japan
- Prior art keywords
- longitudinal direction
- rib
- helical
- tube
- recesses
- 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 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 claims 2
- 238000009933 burial Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8047590U JP2515225Y2 (ja) | 1990-07-26 | 1990-07-26 | 地中埋設用の耐圧螺旋管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8047590U JP2515225Y2 (ja) | 1990-07-26 | 1990-07-26 | 地中埋設用の耐圧螺旋管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0439385U true JPH0439385U (en]) | 1992-04-03 |
JP2515225Y2 JP2515225Y2 (ja) | 1996-10-30 |
Family
ID=31625571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8047590U Expired - Lifetime JP2515225Y2 (ja) | 1990-07-26 | 1990-07-26 | 地中埋設用の耐圧螺旋管 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2515225Y2 (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016140800A (ja) * | 2015-01-30 | 2016-08-08 | 名古屋油化株式会社 | 複合リブ及び樹脂成形物並びにマスキング材 |
-
1990
- 1990-07-26 JP JP8047590U patent/JP2515225Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016140800A (ja) * | 2015-01-30 | 2016-08-08 | 名古屋油化株式会社 | 複合リブ及び樹脂成形物並びにマスキング材 |
Also Published As
Publication number | Publication date |
---|---|
JP2515225Y2 (ja) | 1996-10-30 |