JPH0388079U - - Google Patents
Info
- Publication number
- JPH0388079U JPH0388079U JP14962989U JP14962989U JPH0388079U JP H0388079 U JPH0388079 U JP H0388079U JP 14962989 U JP14962989 U JP 14962989U JP 14962989 U JP14962989 U JP 14962989U JP H0388079 U JPH0388079 U JP H0388079U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- gap
- synthetic resin
- air core
- resin inner
- 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
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
第１図は本考案にかかる排水管の１実施例をあ
らわす一部切欠いて断面であらわす斜視図である
。
１……排水管、２……外管、３……内管、４…
…断熱吸音材層、３２……リブ（空気芯形成手段
）。
FIG. 1 is a perspective view, partially cut away, showing an embodiment of a drain pipe according to the present invention. 1...Drain pipe, 2...Outer pipe, 3...Inner pipe, 4...
...Heat-insulating sound-absorbing material layer, 32...Ribs (air core forming means).
Claims (1)
するように小径の合成樹脂製内管が挿通されてい
て、前記間隙に断熱吸音材層が形成されており、
かつ、前記合成樹脂製内管の内周面に、排水を管
壁面に沿つて螺旋状に流下するように導き管内に
中央に空気芯を形成する空気芯形成手段が設けら
れていることを特徴とする排水管。 A small-diameter synthetic resin inner tube is inserted inside the large-diameter metal outer tube so as to have a gap at a desired interval, and a heat-insulating and sound-absorbing material layer is formed in the gap,
Further, the inner circumferential surface of the synthetic resin inner tube is provided with an air core forming means for guiding the wastewater to flow down in a spiral manner along the tube wall surface and forming an air core at the center within the tube. and drain pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989149629U JPH0735181Y2 (en) | 1989-12-25 | 1989-12-25 | Drainage pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989149629U JPH0735181Y2 (en) | 1989-12-25 | 1989-12-25 | Drainage pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0388079U true JPH0388079U (en) | 1991-09-09 |
| JPH0735181Y2 JPH0735181Y2 (en) | 1995-08-09 |
Family
ID=31696008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989149629U Expired - Fee Related JPH0735181Y2 (en) | 1989-12-25 | 1989-12-25 | Drainage pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735181Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102580892B1 (en) * | 2022-12-29 | 2023-09-20 | (주)뉴보텍 | Apparatus for increasing of flow velocity and pipe with the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48100957A (en) * | 1972-04-04 | 1973-12-19 | ||
| JPS5129715A (en) * | 1974-09-06 | 1976-03-13 | Nippon Steel Corp | SANJUKOKAN |
-
1989
- 1989-12-25 JP JP1989149629U patent/JPH0735181Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS48100957A (en) * | 1972-04-04 | 1973-12-19 | ||
| JPS5129715A (en) * | 1974-09-06 | 1976-03-13 | Nippon Steel Corp | SANJUKOKAN |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735181Y2 (en) | 1995-08-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |