DE3403738C2 - - Google Patents
Info
- Publication number
- DE3403738C2 DE3403738C2 DE3403738A DE3403738A DE3403738C2 DE 3403738 C2 DE3403738 C2 DE 3403738C2 DE 3403738 A DE3403738 A DE 3403738A DE 3403738 A DE3403738 A DE 3403738A DE 3403738 C2 DE3403738 C2 DE 3403738C2
- Authority
- DE
- Germany
- Prior art keywords
- filter
- aids
- filter aids
- layers
- washed
- 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.)
- Expired - Lifetime
Links
- 238000001914 filtration Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 23
- 239000011230 binding agent Substances 0.000 claims description 14
- 239000000706 filtrate Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000007667 floating Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 238000004061 bleaching Methods 0.000 claims description 2
- -1 bleaching earth Chemical compound 0.000 claims description 2
- 230000002255 enzymatic effect Effects 0.000 claims description 2
- 230000009969 flowable effect Effects 0.000 claims description 2
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 claims description 2
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 claims description 2
- 239000001253 polyvinylpolypyrrolidone Substances 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 47
- 239000000463 material Substances 0.000 description 17
- 230000008929 regeneration Effects 0.000 description 10
- 238000011069 regeneration method Methods 0.000 description 10
- 238000011001 backwashing Methods 0.000 description 9
- 239000000969 carrier Substances 0.000 description 9
- 238000005266 casting Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000001994 activation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 235000013532 brandy Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000012492 regenerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01D25/001—Making filtering elements not provided for elsewhere
-
- 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
- B01D25/002—Clamping devices
-
- 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
- B01D25/22—Cell-type filters
- B01D25/26—Cell-type stack filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/111—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2101/00—Types of filters having loose filtering material
- B01D2101/005—Types of filters having loose filtering material with a binder between the individual particles or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2101/00—Types of filters having loose filtering material
- B01D2101/02—Carbon filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/085—Regeneration of the filter using another chemical than the liquid to be filtered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/182—Filters characterised by the openings or pores for depth filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/40—Special measures for connecting different parts of the filter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Description
- a) mit Lagen aus faserigen Filterhilfsmitteln,
- b) mit Lagen aus körnigen Filterhilfsmitteln und
- c) mit Lagen aus Gemischen von faserigen und körnigen Filterhilfsmitteln;
11a bis 11g Materialzuteiler
12a bis 12g Kolbenpumpe
13 Material-Sammelleitung
14 Kreiselpumpe
15 Tank
16 Mischlaterne
17 Zuführungsleitung
18 Gießform
19 Einlaßraum
20 Formkörper
21 Gießformdeckel
22 Formhohlraum
23 Anschwemmplatte
24 Ring-Sammelkanal
25 Flüssigkeits-Abflußleitung
31 poröse Hülle
32 Schließrand
33 Pfeil (Filtrationsfließrichtung)
40 Filtergerät
41 Filterträger
42 Führungskanäle
43 Traggerüst
44 Kanäle
45 Auflagegerüst
46 Zugstange
47 Kraftübertragungskörper
48 Filterträger
49 Zylinder-Kolben-Anordnung
50 Filtratablauf
51 Verbindungsstutzen
52 Verbindungsrohre
53 Anschlüsse
54 Führungskanäle
55 Kessel
56 Kesselinnenraum
60 Dichtungsring
62 Dichtungsring
a bis z Lagen von 10
Claims (13)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3448377A DE3448377C2 (en) | 1984-02-03 | 1984-02-03 | Filter element mfr. |
DE3403738A DE3403738A1 (de) | 1984-02-03 | 1984-02-03 | Verfahren zum herstellen eines filterkoerpers sowie nach diesem verfahren hergestellter filterkoerper und seine anwendung zum filtrieren und/oder chemisch-physikalischen behandeln von fluessigen und/oder gasfoermigen medien |
CH433/85A CH667218A5 (de) | 1984-02-03 | 1985-01-31 | Verfahren zum herstellen eines filterkoerpers. |
GB08502429A GB2154461B (en) | 1984-02-03 | 1985-01-31 | Filter element, method of production and use |
US06/696,454 US4647415A (en) | 1984-02-03 | 1985-01-31 | Method of producing a filter pad |
SU853857903A SU1625320A3 (ru) | 1984-02-03 | 1985-02-01 | Способ изготовлени фильтрующих элементов |
BR8500470A BR8500470A (pt) | 1984-02-03 | 1985-02-01 | Processo para a fabricacao de um corpo de filtro,bem como corpo de filtro fabricado segundo esse processo e sua aplicacao para a filtragem e/ou tratamento quimico-fisico de meios liquidos e/ou gasosos |
US07/333,319 US4925570A (en) | 1984-02-03 | 1989-04-04 | Method of filtering |
US07/333,796 US4986913A (en) | 1984-02-03 | 1989-04-04 | Filter pad |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3403738A DE3403738A1 (de) | 1984-02-03 | 1984-02-03 | Verfahren zum herstellen eines filterkoerpers sowie nach diesem verfahren hergestellter filterkoerper und seine anwendung zum filtrieren und/oder chemisch-physikalischen behandeln von fluessigen und/oder gasfoermigen medien |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3403738A1 DE3403738A1 (de) | 1985-08-08 |
DE3403738C2 true DE3403738C2 (de) | 1990-12-20 |
Family
ID=6226656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3403738A Granted DE3403738A1 (de) | 1984-02-03 | 1984-02-03 | Verfahren zum herstellen eines filterkoerpers sowie nach diesem verfahren hergestellter filterkoerper und seine anwendung zum filtrieren und/oder chemisch-physikalischen behandeln von fluessigen und/oder gasfoermigen medien |
Country Status (6)
Country | Link |
---|---|
US (3) | US4647415A (de) |
BR (1) | BR8500470A (de) |
CH (1) | CH667218A5 (de) |
DE (1) | DE3403738A1 (de) |
GB (1) | GB2154461B (de) |
SU (1) | SU1625320A3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4407149A1 (de) * | 1994-03-04 | 1995-09-07 | Hasso Von Bluecher | Adsorptionsfilter |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3501527A1 (de) * | 1984-06-08 | 1986-07-24 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Mehrschichtiger umluftfilter, vorzugsweise fuer fahrzeugkabinen und arbeitsschutzraeume |
DE3617519A1 (de) * | 1986-05-24 | 1987-11-26 | Seitz Enzinger Noll Masch | Zwei- oder mehrstufiges verfahren zum entfernen von verunreinigungen aus stillen oder kohlensaeurehaltigen fluessigkeiten, insbesondere getraenken, sowie vorrichtung zu dessen durchfuehrung |
DE3622356C1 (de) * | 1986-07-03 | 1987-10-29 | Draegerwerk Ag | Verfahren zur Herstellung eines mehrere Faltabschnitte aufweisenden Filters und Werkzeug hierzu |
DE8813974U1 (de) * | 1988-11-08 | 1988-12-22 | Albert Handtmann Armaturenfabrik GmbH & Co KG, 7950 Biberach | Filtervorrichtung zum Filtern von Flüssigkeiten, insbesondere Getränken |
DE3943249C2 (de) * | 1989-12-29 | 1993-11-18 | Seitz Filter Werke | Geschlossenes Filterelement |
US5039465A (en) * | 1990-04-24 | 1991-08-13 | The Budd Company | Method and apparatus for forming fiber reinforced plastic preforms from a wet slurry |
DE4120971A1 (de) * | 1991-06-25 | 1993-01-28 | Thomas Handtmann | Filterverfahren und filtervorrichtung zum filtern von fluessigkeiten |
US5685956A (en) * | 1992-05-12 | 1997-11-11 | The Budd Company | Method and apparatus for binding fibers in a fiber reinforced preform |
US5820801A (en) * | 1992-05-12 | 1998-10-13 | The Budd Company | Reinforced thermoplastic molding technique method |
US5286326A (en) * | 1992-05-12 | 1994-02-15 | The Budd Company | Method for binding fibers in a fiber reinforced preform using an electromagnetic field to melt binding fibers |
US5296150A (en) * | 1992-07-21 | 1994-03-22 | Environmental Pretreatment Systems, Inc. | Water oil separator |
WO1994006947A1 (fr) * | 1992-09-24 | 1994-03-31 | Toto Ltd. | Materiau a gradient fonctionnel et procede de production |
DE4309366C1 (de) * | 1993-03-23 | 1994-04-21 | Thomas Handtmann | Filterträger |
DE4309921A1 (de) * | 1993-03-26 | 1994-09-29 | Klaus Schumann | Verfahren und Vorrichtung zum Herstellen von Filtern sowie danach hergestellte Filter |
PL320065A1 (en) * | 1993-12-28 | 1997-09-01 | Little Rapids Corp | Disposable filters and method of making them |
US5554288A (en) * | 1993-12-28 | 1996-09-10 | Little Rapids Corporation | Disposable filters and manufacturing process |
DE59403873D1 (de) * | 1994-03-07 | 1997-10-02 | Maurer Sa Ing A | Einrichtung zur Filtrierung von fluiden Medien |
DE19705855A1 (de) | 1997-02-15 | 1998-09-03 | Seitz Filter Werke | Filtrationsvorrichtung |
US5795443A (en) * | 1997-03-13 | 1998-08-18 | The Budd Company | Apparatus for controlling fiber depositions in slurry preforms |
US5972169A (en) * | 1998-01-15 | 1999-10-26 | The Budd Company | Slurry preform system |
DE10065258A1 (de) * | 2000-12-29 | 2002-07-18 | Seitzschenk Filtersystems Gmbh | Modul zum Behandeln von Fluiden und Verfahren zur Herstellung solcher Module |
JP2006503670A (ja) * | 2002-10-25 | 2006-02-02 | ポール コーポレイション | 生物学的流体フィルタ |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB600208A (en) * | 1945-05-01 | 1948-04-02 | Ronald George Allen | Improvements in and relating to filter elements and the manufacture thereof |
FR481238A (fr) * | 1915-05-06 | 1916-11-14 | Fred Eugene Bright | Perfectionnements apportés aux machines polisseuses |
GB483294A (en) * | 1935-08-05 | 1938-04-12 | Gen Motors Corp | Improvements in oil filters |
US2395301A (en) * | 1940-08-03 | 1946-02-19 | Jesse B Hawley | Method of making filter members |
GB649866A (en) * | 1948-08-30 | 1951-02-07 | Varley Dry Accumulators Ltd | Improvements in or relating to separators for electric secondary batteries |
GB656754A (en) * | 1948-10-12 | 1951-08-29 | Cuno Eng Corp | Improvements in or relating to method and apparatus for forming carcasses of accreted fibres |
GB677515A (en) * | 1948-10-12 | 1952-08-20 | Cuno Eng Corp | Improvements in or relating to a filter element and method of making the same |
GB858313A (en) * | 1956-07-06 | 1961-01-11 | Connecticut Filter Corp | Improvements in or relating to filtration elements and methods of making the same |
BE560006A (de) * | 1956-11-30 | 1900-01-01 | ||
NL227891A (de) * | 1957-05-24 | 1900-01-01 | ||
US3003643A (en) * | 1957-10-28 | 1961-10-10 | Johnson & Johnson | Filter media |
US3033373A (en) * | 1958-07-24 | 1962-05-08 | Mueller Hans | Filter cloth fastening means |
US3253715A (en) | 1959-06-11 | 1966-05-31 | Johnson & Johnson | Process and composition for boil proof non-woven filter media |
GB1000038A (de) * | 1960-12-06 | |||
NL287283A (de) * | 1961-03-27 | |||
US3431332A (en) * | 1962-07-16 | 1969-03-04 | Interface Corp | Ceramic casting techniques |
FR1414155A (fr) | 1964-10-09 | 1965-10-15 | Procédé de fabrication de plaque filtrante, et produit industriel obtenu | |
US3449207A (en) * | 1965-09-03 | 1969-06-10 | Beloit Corp | Dual orifice vacuum forming mold |
US3594273A (en) * | 1967-05-15 | 1971-07-20 | Amf Inc | Sequential accretion of plural-fiber articles |
US3535235A (en) | 1967-11-22 | 1970-10-20 | Tri Mer Corp | Filter apparatus |
US3597219A (en) | 1968-09-27 | 1971-08-03 | Monsanto Co | Chillproofing of beverages using insoluble polymer-enzyme product |
US3786126A (en) * | 1971-03-04 | 1974-01-15 | Johns Manville | Method for making a disposable face respirator |
US3935060A (en) * | 1973-10-25 | 1976-01-27 | Mcdonnell Douglas Corporation | Fibrous insulation and process for making the same |
US4016234A (en) * | 1974-05-20 | 1977-04-05 | United States Gypsum Company | Paper-backed acoustical tile |
US4024014A (en) * | 1975-12-15 | 1977-05-17 | Conwed Corporation | Non-combustible hardboard sheet |
JPS5434475A (en) * | 1977-08-18 | 1979-03-13 | Chisso Corp | Production of cylindrical fiber molded article containing granular solid |
US4252759A (en) * | 1979-04-11 | 1981-02-24 | Massachusetts Institute Of Technology | Cross flow filtration molding method |
AT371359B (de) * | 1982-02-11 | 1983-06-27 | Schafft Helmut | Filtervorrichtung, insbesondere fuer getraenke |
US4515848A (en) * | 1983-09-23 | 1985-05-07 | Gates Formed Fibre Products Inc. | Materials and methods for making resin-rigidified articles |
-
1984
- 1984-02-03 DE DE3403738A patent/DE3403738A1/de active Granted
-
1985
- 1985-01-31 US US06/696,454 patent/US4647415A/en not_active Expired - Lifetime
- 1985-01-31 GB GB08502429A patent/GB2154461B/en not_active Expired
- 1985-01-31 CH CH433/85A patent/CH667218A5/de not_active IP Right Cessation
- 1985-02-01 BR BR8500470A patent/BR8500470A/pt not_active IP Right Cessation
- 1985-02-01 SU SU853857903A patent/SU1625320A3/ru active
-
1989
- 1989-04-04 US US07/333,319 patent/US4925570A/en not_active Expired - Lifetime
- 1989-04-04 US US07/333,796 patent/US4986913A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4407149A1 (de) * | 1994-03-04 | 1995-09-07 | Hasso Von Bluecher | Adsorptionsfilter |
DE4407149B4 (de) * | 1994-03-04 | 2006-06-29 | Mhb Filtration Gmbh & Co. Kg | Verfahren zur Herstellung einer mehrlagigen Adsorptionsfilterschicht |
Also Published As
Publication number | Publication date |
---|---|
DE3403738A1 (de) | 1985-08-08 |
US4647415A (en) | 1987-03-03 |
US4925570A (en) | 1990-05-15 |
GB2154461A (en) | 1985-09-11 |
US4986913A (en) | 1991-01-22 |
GB2154461B (en) | 1988-01-27 |
BR8500470A (pt) | 1985-09-17 |
SU1625320A3 (ru) | 1991-01-30 |
CH667218A5 (de) | 1988-09-30 |
GB8502429D0 (en) | 1985-03-06 |
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