JPH0140742B2 - - Google Patents
Info
- Publication number
- JPH0140742B2 JPH0140742B2 JP58033628A JP3362883A JPH0140742B2 JP H0140742 B2 JPH0140742 B2 JP H0140742B2 JP 58033628 A JP58033628 A JP 58033628A JP 3362883 A JP3362883 A JP 3362883A JP H0140742 B2 JPH0140742 B2 JP H0140742B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- synthetic resin
- wall
- air supply
- extrusion
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58033628A JPS59158818A (ja) | 1983-02-28 | 1983-02-28 | 合成樹脂製排水管の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58033628A JPS59158818A (ja) | 1983-02-28 | 1983-02-28 | 合成樹脂製排水管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59158818A JPS59158818A (ja) | 1984-09-08 |
JPH0140742B2 true JPH0140742B2 (en]) | 1989-08-31 |
Family
ID=12391711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58033628A Granted JPS59158818A (ja) | 1983-02-28 | 1983-02-28 | 合成樹脂製排水管の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59158818A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106553322B (zh) * | 2016-11-08 | 2018-12-14 | 浙江双林机械股份有限公司 | 塑料波纹管成型机滑动座运行轨道 |
AU2022444816A1 (en) * | 2022-03-04 | 2024-10-17 | Reinhart, Gregory J. | Polygonal drainage channel system and method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50117609U (en]) * | 1974-08-12 | 1975-09-25 |
-
1983
- 1983-02-28 JP JP58033628A patent/JPS59158818A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59158818A (ja) | 1984-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3926222A (en) | Corrugated tubing with integral coupling means thereon | |
US4487232A (en) | Doubled-walled corrugated synthetic resin pipe | |
US4838317A (en) | Hydraulically efficient ribbed pipe | |
US4006599A (en) | Plastic drain pipe and apparatus for producing the same | |
US8820801B2 (en) | Multi-wall corrugated pipe couplings and methods | |
US8820800B2 (en) | Multi-wall corrugated pipe couplings and methods | |
US4964440A (en) | Ribbed pipe | |
EP0173693A1 (en) | Method of and means for forming and sealing helically wound tubes | |
US4834430A (en) | Pipe socket insert | |
EP0368096A2 (en) | Apparatus for producing tubing having interrupted helical ribs | |
JPH0140742B2 (en]) | ||
US3792941A (en) | Mold blocks for forming coupler collar integral with pipe | |
KR102036168B1 (ko) | 하수관용 이중벽관 및 그 제조방법 | |
CN213637030U (zh) | 一种通信用改性聚丙烯内平壁外波纹管 | |
JPS61261020A (ja) | コルゲ−ト二重管の製造方法 | |
JPH0374619B2 (en]) | ||
JPH0212317B2 (en]) | ||
KR200270013Y1 (ko) | 마름모꼴 보강구조를 갖는 합성수지관 | |
KR100237112B1 (ko) | 2중 벽체관 | |
JPH022747Y2 (en]) | ||
JPH0334459B2 (en]) | ||
JPS633782Y2 (en]) | ||
CN216009857U (zh) | 一种mupo双层双波管结构 | |
JPS62160229A (ja) | 合成樹脂製フランジ付コルゲ−ト管とその製造方法 | |
JPS6334253B2 (en]) |