FR2248372A1 - Drain pipe sheathed with filter material contg. ion exchanger - to prevent clogging by iron ocher pptd. from the drainage water - Google Patents
Drain pipe sheathed with filter material contg. ion exchanger - to prevent clogging by iron ocher pptd. from the drainage waterInfo
- Publication number
- FR2248372A1 FR2248372A1 FR7435079A FR7435079A FR2248372A1 FR 2248372 A1 FR2248372 A1 FR 2248372A1 FR 7435079 A FR7435079 A FR 7435079A FR 7435079 A FR7435079 A FR 7435079A FR 2248372 A1 FR2248372 A1 FR 2248372A1
- Authority
- FR
- France
- Prior art keywords
- ion exchanger
- pptd
- drain pipe
- filter material
- iron
- 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.)
- Withdrawn
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)
- Filtering Materials (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732352863 DE2352863C2 (de) | 1973-10-22 | 1973-10-22 | Dränrohr mit Ummantelung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2248372A1 true FR2248372A1 (en) | 1975-05-16 |
Family
ID=5896076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7435079A Withdrawn FR2248372A1 (en) | 1973-10-22 | 1974-10-18 | Drain pipe sheathed with filter material contg. ion exchanger - to prevent clogging by iron ocher pptd. from the drainage water |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2352863C2 (fr) |
FR (1) | FR2248372A1 (fr) |
NL (1) | NL7413763A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0125696A2 (fr) * | 1983-05-17 | 1984-11-21 | Eva-Maria Rasbach | Tuyau poreux à couches multiples |
FR2558925A1 (fr) * | 1984-01-27 | 1985-08-02 | Oltmanns Ziegel & Kunststoff | Tuyau de drainage avec un enrobage filtrant en fibres naturelles et procede de fabrication |
CN100439604C (zh) * | 2005-05-16 | 2008-12-03 | 胡鸣群 | 软弱地层压密固结排水方法及使用于此方法的集水井管 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3230323C2 (de) * | 1982-08-14 | 1985-09-05 | Oltmanns Ziegel Und Kunststoffe Gmbh, 2905 Edewecht | Dränrohr mit einer filternden Ummantelung aus Naturfasern |
EP0208043A1 (fr) * | 1985-07-12 | 1987-01-14 | Rolf Jansrudvangen | Méthode de fabrication d'un filtre en forme de bandes pour l'utilisation dans le drainage |
DE3533135A1 (de) * | 1985-09-17 | 1987-03-19 | Mst Maschinenbau Gmbh | Verfahren und vorrichtung zum ummanteln von draenagerohren |
DE3637168C1 (en) * | 1986-10-31 | 1988-05-05 | Oltmanns Kunststoffwerk Gmbh | Full filter pipe for drainage purposes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7017424U (de) * | 1970-05-09 | 1970-08-27 | Ripken Charlotte | Filtervorrichtung, insbesondere fuer drainagerohre. |
DE2105727A1 (de) * | 1971-02-08 | 1972-08-17 | Böske, Johannes, 2849 Goldenstedt | Dränfilter |
-
1973
- 1973-10-22 DE DE19732352863 patent/DE2352863C2/de not_active Expired
-
1974
- 1974-10-18 FR FR7435079A patent/FR2248372A1/fr not_active Withdrawn
- 1974-10-21 NL NL7413763A patent/NL7413763A/xx not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0125696A2 (fr) * | 1983-05-17 | 1984-11-21 | Eva-Maria Rasbach | Tuyau poreux à couches multiples |
EP0125696A3 (fr) * | 1983-05-17 | 1985-05-29 | Eva-Maria Rasbach | Tuyau poreux à couches multiples |
FR2558925A1 (fr) * | 1984-01-27 | 1985-08-02 | Oltmanns Ziegel & Kunststoff | Tuyau de drainage avec un enrobage filtrant en fibres naturelles et procede de fabrication |
CN100439604C (zh) * | 2005-05-16 | 2008-12-03 | 胡鸣群 | 软弱地层压密固结排水方法及使用于此方法的集水井管 |
Also Published As
Publication number | Publication date |
---|---|
NL7413763A (nl) | 1975-04-24 |
DE2352863C2 (de) | 1982-06-16 |
DE2352863A1 (de) | 1975-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |