NL7410419A - Perforated pipe, soil drainage system - uses plastic foam particles joined to form porous units to cover perforated pipe - Google Patents
Perforated pipe, soil drainage system - uses plastic foam particles joined to form porous units to cover perforated pipeInfo
- Publication number
- NL7410419A NL7410419A NL7410419A NL7410419A NL7410419A NL 7410419 A NL7410419 A NL 7410419A NL 7410419 A NL7410419 A NL 7410419A NL 7410419 A NL7410419 A NL 7410419A NL 7410419 A NL7410419 A NL 7410419A
- Authority
- NL
- Netherlands
- Prior art keywords
- perforated pipe
- plastic foam
- cover
- drainage system
- joined
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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)
- Sewage (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A perforated drain pipe (2) is laid in a trench, after which a layer of coarse stiff granular material is used to cover it, followed by a layer of sand if necessary, the trench being finally covered with earth. The coarse-grained material (3) consists of particles of plastic foam, combined together in large numbers to form larger units with holes running right through them. The particles can be roughly saddle-shaped, joined by perforated shrunk sheet material, or they can be glued together where in contact with each other along the outside of the larger unit, or joined by material rotting in the ground, e.g. paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7410419A NL7410419A (en) | 1974-08-02 | 1974-08-02 | Perforated pipe, soil drainage system - uses plastic foam particles joined to form porous units to cover perforated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7410419A NL7410419A (en) | 1974-08-02 | 1974-08-02 | Perforated pipe, soil drainage system - uses plastic foam particles joined to form porous units to cover perforated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7410419A true NL7410419A (en) | 1976-02-04 |
Family
ID=19821858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7410419A NL7410419A (en) | 1974-08-02 | 1974-08-02 | Perforated pipe, soil drainage system - uses plastic foam particles joined to form porous units to cover perforated pipe |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL7410419A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771572A (en) * | 1985-09-12 | 1988-09-20 | Saken, Co., Ltd. | Method and apparatus for culturing plants |
-
1974
- 1974-08-02 NL NL7410419A patent/NL7410419A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771572A (en) * | 1985-09-12 | 1988-09-20 | Saken, Co., Ltd. | Method and apparatus for culturing plants |
| US4920694A (en) * | 1985-09-12 | 1990-05-01 | Saken Co., Ltd. | Method and apparatus for culturing plants |
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