CH492090A - Attachment for street drains - Google Patents
Attachment for street drainsInfo
- Publication number
- CH492090A CH492090A CH789969A CH789969A CH492090A CH 492090 A CH492090 A CH 492090A CH 789969 A CH789969 A CH 789969A CH 789969 A CH789969 A CH 789969A CH 492090 A CH492090 A CH 492090A
- Authority
- CH
- Switzerland
- Prior art keywords
- attachment
- street drains
- drains
- street
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/046—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps adapted to be used with kerbs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filtering Materials (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP0031957 | 1968-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH492090A true CH492090A (en) | 1970-06-15 |
Family
ID=7372525
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH729764A CH411790A (en) | 1968-08-24 | 1964-06-04 | Method and device for applying a filter aid layer to the filter medium of filter presses |
| CH789969A CH492090A (en) | 1968-08-24 | 1969-05-23 | Attachment for street drains |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH729764A CH411790A (en) | 1968-08-24 | 1964-06-04 | Method and device for applying a filter aid layer to the filter medium of filter presses |
Country Status (3)
| Country | Link |
|---|---|
| CH (2) | CH411790A (en) |
| DE (1) | DE1461442A1 (en) |
| NL (1) | NL6406415A (en) |
-
1963
- 1963-06-06 DE DE19631461442 patent/DE1461442A1/en active Pending
-
1964
- 1964-06-04 CH CH729764A patent/CH411790A/en unknown
- 1964-06-05 NL NL6406415A patent/NL6406415A/xx unknown
-
1969
- 1969-05-23 CH CH789969A patent/CH492090A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1461442A1 (en) | 1969-03-27 |
| CH411790A (en) | 1966-04-30 |
| NL6406415A (en) | 1964-12-07 |
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