NO303673B1 - Plastmantlet filterblokk for dreneringsgr°ft - Google Patents

Plastmantlet filterblokk for dreneringsgr°ft Download PDF

Info

Publication number: NO303673B1
Authority: NO; Norway
Prior art keywords: mold; filter; block; blocks; hollow plastic
Prior art date: 1990-01-31

Application number

NO923013A

Other languages

English (en)

Norwegian (no)

Other versions

NO923013D0 (no

NO923013L (no

Inventor

Richard D Gresh

Robert B Netherland

Original Assignee

Tetra Tech

Priority date (The priority date 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 date listed.)

1990-01-31

Filing date

1992-07-30

Publication date

1998-08-17

1992-07-30 Application filed by Tetra Tech filed Critical Tetra Tech

1992-07-30 Publication of NO923013D0 publication Critical patent/NO923013D0/no

1992-07-30 Publication of NO923013L publication Critical patent/NO923013L/no

1998-08-17 Publication of NO303673B1 publication Critical patent/NO303673B1/no

Links

239000004033 plastic Substances 0.000 title claims abstract description 43
229920003023 plastic Polymers 0.000 title claims abstract description 43
239000004567 concrete Substances 0.000 claims abstract description 20
238000001914 filtration Methods 0.000 claims description 9
239000000945 filler Substances 0.000 claims description 6
239000004014 plasticizer Substances 0.000 claims description 4
239000011372 high-strength concrete Substances 0.000 claims description 3
238000000034 method Methods 0.000 claims description 3
239000002351 wastewater Substances 0.000 claims description 3
239000000463 material Substances 0.000 claims 7
125000006850 spacer group Chemical group 0.000 claims 1
238000010276 construction Methods 0.000 abstract description 3
239000011178 precast concrete Substances 0.000 abstract description 3
238000011001 backwashing Methods 0.000 abstract description 2
238000006073 displacement reaction Methods 0.000 abstract description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
238000009826 distribution Methods 0.000 description 10
238000009434 installation Methods 0.000 description 3
239000000203 mixture Substances 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 2
238000005266 casting Methods 0.000 description 2
239000007788 liquid Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000002245 particle Substances 0.000 description 2
239000004576 sand Substances 0.000 description 2
239000010959 steel Substances 0.000 description 2
238000004065 wastewater treatment Methods 0.000 description 2
229920008716 Darex Polymers 0.000 description 1
239000011398 Portland cement Substances 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
238000000071 blow moulding Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
229920001903 high density polyethylene Polymers 0.000 description 1
239000004700 high-density polyethylene Substances 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
230000002787 reinforcement Effects 0.000 description 1
239000012779 reinforcing material Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1

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
- B01D24/02—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
- 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

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Filtering Materials (AREA)
Moulds, Cores, Or Mandrels (AREA)
Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Centrifugal Separators (AREA)
Water Treatment By Sorption (AREA)
External Artificial Organs (AREA)

NO923013A 1990-01-31 1992-07-30 Plastmantlet filterblokk for dreneringsgr°ft NO303673B1 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US1990/000566 WO1991011244A1 (en)	1990-01-31	1990-01-31	Plastic-jacketed filter underdrain block

Publications (3)

Publication Number	Publication Date
NO923013D0 NO923013D0 (no)	1992-07-30
NO923013L NO923013L (no)	1992-07-30
NO303673B1 true NO303673B1 (no)	1998-08-17

Family

ID=22220654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO923013A NO303673B1 (no)	1990-01-31	1992-07-30	Plastmantlet filterblokk for dreneringsgr°ft

Country Status (7)

Country	Link
EP (1)	EP0509988B1 (de)
AT (1)	ATE130779T1 (de)
DE (1)	DE69023923T2 (de)
DK (1)	DK0509988T3 (de)
ES (1)	ES2084027T3 (de)
NO (1)	NO303673B1 (de)
WO (1)	WO1991011244A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19520861C2 (de) *	1995-06-08	1997-04-24	Wetzel & Partner Ingenieurgese	Vorrichtung zum Rückspülen großflächiger Filter
WO1997018881A1 (de) *	1995-11-17	1997-05-29	Ct Umwelttechnik Ag	Rückspülbares filterbecken mit drainagerohren
CN103418168A (zh) *	2012-05-23	2013-12-04	李昊岩	一种免堵塞、免板结的气水分配系统
EP3624919A4 (de) *	2017-05-16	2021-06-02	Xylem Water Solutions Zelienople LLC	Selbstreinigender fugenloser filterabfluss
CN109231422A (zh) *	2018-08-30	2019-01-18	广东卓信环境科技股份有限公司	一种滤砖及滤砖层施工方法
CN112824329B (zh) *	2019-11-20	2022-05-17	南京大学	一种模块化滤池布水布气装置及其系统和应用方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2499325A (en) *	1947-06-07	1950-02-28	Francis Hankin & Co Ltd	Filtering apparatus
US2818977A (en) *	1955-04-08	1958-01-07	Robert F Mcgivern	Filter bottoms
US3440788A (en) *	1965-06-11	1969-04-29	Arthur B Merget	Building blocks with a shell containing a filler and having projections and depressions connected by tubes
DE2632040C2 (de) *	1976-07-16	1983-12-29	Mengeringhausen, Max, Dipl.-Ing. Dr.-Ing., 8700 Würzburg	Verfahren zur Herstellung einer Verbundbauplatte
US4132043A (en) *	1977-02-22	1979-01-02	H. B. Fuller Company	Structural units
US4133766A (en) *	1977-03-11	1979-01-09	Koppers Company, Inc.	Filter media support and containment system
US4340478A (en) *	1981-08-18	1982-07-20	The Dehydro Corporation	Filter media and filter apparatus
US4707257A (en) *	1986-05-29	1987-11-17	The Graver Company	Air/water distributor underdrain

1990
- 1990-01-31 DE DE69023923T patent/DE69023923T2/de not_active Expired - Fee Related
- 1990-01-31 AT AT90906571T patent/ATE130779T1/de not_active IP Right Cessation
- 1990-01-31 EP EP90906571A patent/EP0509988B1/de not_active Expired - Lifetime
- 1990-01-31 DK DK90906571.6T patent/DK0509988T3/da active
- 1990-01-31 WO PCT/US1990/000566 patent/WO1991011244A1/en not_active Ceased
- 1990-01-31 ES ES90906571T patent/ES2084027T3/es not_active Expired - Lifetime
1992
- 1992-07-30 NO NO923013A patent/NO303673B1/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69023923T2 (de)	1996-08-14
WO1991011244A1 (en)	1991-08-08
NO923013D0 (no)	1992-07-30
ES2084027T3 (es)	1996-05-01
EP0509988A1 (de)	1992-10-28
EP0509988B1 (de)	1995-11-29
DE69023923D1 (de)	1996-01-11
EP0509988A4 (en)	1993-06-02
DK0509988T3 (da)	1996-04-09
ATE130779T1 (de)	1995-12-15
NO923013L (no)	1992-07-30

Legal Events

Date	Code	Title	Description
2005-09-26	MM1K	Lapsed by not paying the annual fees

Publication	Publication Date	Title
US4923606A (en)	1990-05-08	Plastic-jacketed filter underdrain block
US3645100A (en)	1972-02-29	Leaching chamber unit for soil absorption system
DK1540087T3 (en)	2015-12-07	Protective element for a breakwater or wave inhibitory construction
US4673159A (en)	1987-06-16	Molding forms for making precast portal assembly sections for culverts
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