ZA813126B - Triangular cross-section drainage pipe - Google Patents
Triangular cross-section drainage pipeInfo
- Publication number
- ZA813126B ZA813126B ZA00813126A ZA813126A ZA813126B ZA 813126 B ZA813126 B ZA 813126B ZA 00813126 A ZA00813126 A ZA 00813126A ZA 813126 A ZA813126 A ZA 813126A ZA 813126 B ZA813126 B ZA 813126B
- Authority
- ZA
- South Africa
- Prior art keywords
- triangular cross
- drainpipe
- drainage pipe
- section drainage
- grooves
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/14—Downward filtration, the container having distribution or collection headers or pervious conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0415—Details of supporting structures
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Sink And Installation For Waste Water (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH369580A CH645815A5 (de) | 1980-05-12 | 1980-05-12 | Rueckspuelbare drainagerohr-filteranlage. |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA813126B true ZA813126B (en) | 1982-12-29 |
Family
ID=4261544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00813126A ZA813126B (en) | 1980-05-12 | 1981-05-11 | Triangular cross-section drainage pipe |
Country Status (7)
Country | Link |
---|---|
US (1) | US4370230A (xx) |
EP (1) | EP0040257B1 (xx) |
JP (1) | JPS577209A (xx) |
AT (1) | ATE4673T1 (xx) |
CH (1) | CH645815A5 (xx) |
DE (1) | DE3064906D1 (xx) |
ZA (1) | ZA813126B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH668559A5 (de) * | 1986-02-11 | 1989-01-13 | Sulzer Ag | Drainagerohr in einer rueckspuelbaren drainagerohr-filteranlage. |
GB2343173B (en) * | 1997-07-15 | 2002-01-09 | Komatsu Mfg Co Ltd | Bucket type excavator arm or boom |
ES2299393B1 (es) * | 2006-11-17 | 2009-08-24 | Jose Alapont Tatay | Procedimiento y equipo para la distribucion y reaprovechamiento del agua. |
CN112555534B (zh) * | 2020-12-08 | 2022-09-16 | 广州超力管业有限公司 | 一种装接稳固且具有过滤功能的给排水管道连接装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2153789A (en) * | 1937-11-13 | 1939-04-11 | Firman L Carswell | Irrigation and drainage tube |
US2153790A (en) * | 1938-01-10 | 1939-04-11 | Firman L Carswell | Drainage tube |
GB695751A (en) * | 1949-07-27 | 1953-08-19 | Bamag Meguin Ag Zweigniederlas | Improved filtering plant capable of being back flushed with a mixture of gas and liquid |
US2874844A (en) * | 1955-04-07 | 1959-02-24 | Edwin F Wanner | Filter beds and tile |
DE1874481U (de) * | 1962-05-19 | 1963-06-20 | Manfred Osthaus | Drainagerohr. |
US3369367A (en) * | 1966-02-02 | 1968-02-20 | Saad | Drain tile structure |
US3440823A (en) * | 1967-06-14 | 1969-04-29 | John H Olsen | Drainage device |
US3870236A (en) * | 1973-03-14 | 1975-03-11 | Sahagun Barragan Jaime | Dripping irrigation tubing |
US3896999A (en) * | 1973-09-28 | 1975-07-29 | Jaime Sahagun Barragan | Anti-clogging drip irrigation valve |
US3915384A (en) * | 1975-03-13 | 1975-10-28 | Richard E Diggs | Combination irrigation and temperature control system for plants |
US4065391A (en) * | 1975-09-08 | 1977-12-27 | Sybron Corporation | Fluid distributor |
-
1980
- 1980-05-12 CH CH369580A patent/CH645815A5/de not_active IP Right Cessation
- 1980-06-06 AT AT80103143T patent/ATE4673T1/de not_active IP Right Cessation
- 1980-06-06 DE DE8080103143T patent/DE3064906D1/de not_active Expired
- 1980-06-06 EP EP80103143A patent/EP0040257B1/de not_active Expired
-
1981
- 1981-04-30 US US06/259,187 patent/US4370230A/en not_active Expired - Fee Related
- 1981-05-11 JP JP7057481A patent/JPS577209A/ja active Pending
- 1981-05-11 ZA ZA00813126A patent/ZA813126B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0040257A1 (de) | 1981-11-25 |
ATE4673T1 (de) | 1983-10-15 |
CH645815A5 (de) | 1984-10-31 |
EP0040257B1 (de) | 1983-09-21 |
US4370230A (en) | 1983-01-25 |
DE3064906D1 (en) | 1983-10-27 |
JPS577209A (en) | 1982-01-14 |
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