JPS6453690U - - Google Patents
Info
- Publication number
- JPS6453690U JPS6453690U JP14901387U JP14901387U JPS6453690U JP S6453690 U JPS6453690 U JP S6453690U JP 14901387 U JP14901387 U JP 14901387U JP 14901387 U JP14901387 U JP 14901387U JP S6453690 U JPS6453690 U JP S6453690U
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- protrusions
- pipe wall
- height
- same
- 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
- 238000004804 winding Methods 0.000 claims 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Sewage (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987149013U JPH0454390Y2 (cs) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987149013U JPH0454390Y2 (cs) | 1987-09-29 | 1987-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6453690U true JPS6453690U (cs) | 1989-04-03 |
JPH0454390Y2 JPH0454390Y2 (cs) | 1992-12-21 |
Family
ID=31420850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987149013U Expired JPH0454390Y2 (cs) | 1987-09-29 | 1987-09-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0454390Y2 (cs) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6220289U (cs) * | 1985-07-22 | 1987-02-06 |
-
1987
- 1987-09-29 JP JP1987149013U patent/JPH0454390Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6220289U (cs) * | 1985-07-22 | 1987-02-06 |
Also Published As
Publication number | Publication date |
---|---|
JPH0454390Y2 (cs) | 1992-12-21 |