DE2225129A1 - FILTER UNIT FOR DRY WASHING SYSTEMS OD. DGL. INTENDED USE - Google Patents
FILTER UNIT FOR DRY WASHING SYSTEMS OD. DGL. INTENDED USEInfo
- Publication number
- DE2225129A1 DE2225129A1 DE2225129A DE2225129A DE2225129A1 DE 2225129 A1 DE2225129 A1 DE 2225129A1 DE 2225129 A DE2225129 A DE 2225129A DE 2225129 A DE2225129 A DE 2225129A DE 2225129 A1 DE2225129 A1 DE 2225129A1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- reinforcement
- ring
- sleeve
- neck
- 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- Withdrawn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
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000003739 neck Anatomy 0.000 claims 4
- 241000283690 Bos taurus Species 0.000 claims 1
- 239000002904 solvent Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- 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
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- 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
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- 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
-
- 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
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- 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
- B01D2201/043—Filter tubes connected to plates
- B01D2201/0438—Filter tubes connected to plates mounted substantially vertically on plates at the lower side of the filter 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
- B01D2201/4015—Bayonet connecting means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Description
Filterapparat zur Trockenwaschanlagen od. dgl. Verwendungszwecke.Filter apparatus for dry washing systems or the like.
Die vorliegende Erfindung bezieht sich auf Filterapparate, wobei erfindungsgemäss insbesondere die Filterierung des in Trockenwaschanlagen verwendeten Lösungsmittel gewährleistet -werden soll, ohne dass jedoch die Erfindung darauf beschränkt ist. The present invention relates to filter apparatus, wherein according to the invention in particular the filtering of that used in dry washing systems Solvent should be guaranteed without, however, affecting the invention is limited.
Bekanntlich besitzen derartige Apparate gewöhnlich wenigstens eine perforierte Wand, auf deren Aussenfläche eine Schicht aus Piltermateral abgelegt ist, welche zur Aufnahme der ganzen Verunreinigungen der zu behandelnden Flüssigkeit unbedingt erforderlich ist. Diese perforierte land oder dieser Filter ist normalerweise im Inneren eines Behälters eingesetzt, der auch grosse Abmessungen besitzen kann und im dem das Lösungsmittel eintritt, welches auf diese Weise kontinuierlich währen der gesamten Betriebsperiodè der Anlage gefiltert wird. Natrlich ist es ab und zu erforderlich, dieses Filtermaterial zu ersetzen, um Verstopfungen zu vermeiden. Die Erfahrung zeigt, dass derartige Filterapparate eine gewisse Anzahl praktischer Nachteile besitzen, die offenbar die Regelmässigkeit der Filtermaterialschicht auf der Aussenfläche der perforierten Wand und die Komplisiertheit der Montage dieser Wand im Inneren des Behälters betreffen. It is known that such apparatus usually have at least one perforated wall, on the outer surface of which a layer of pilter material is deposited is which to absorb all the impurities of the liquid to be treated is absolutely necessary. This perforated land or filter is normally used inside a container, which can also have large dimensions and in which the solvent enters, which in this way would be continuous the entire operating period of the system is filtered. Of course it is every now and then required to replace this filter material to avoid clogging. Experience shows that such filter devices are a certain number more practical Have disadvantages that apparently affect the regularity of the filter material layer the outer surface of the perforated wall and the complexity of assembling it Concern wall inside the container.
Ziel der vorliegenden Erfindung ist die Vereidung der vorerwähnten Nachteile und die Schaffung eines Filteranerate, der befähigt ist, mit Sicherheit allen praktischon Irforderniseen zu entsprechen. The aim of the present invention is to avoid the aforementioned Disadvantages and the creation of a filter anate that is capable with certainty to meet all practical requirements.
Der erfindungsgemässe Filterapparat ist d a d u r c h g e -kennzeichnet, dass er aus mindestens einer rohrfdrmigen Hälse besteht, die durch ein Gewebe mit mehr oder weniger weitem Schuhs gebidet ist, auf dem eine Bewehrung aus Kunststoff aufgepresst ist, die am unteren Ende einen Ring aufweist, der in die Einmündung einer mit der zu reinigen den Flüssigkeit gespeisten Offnung einsetzbar und blockierbar ist, so dass die Flüssigkeit in das Innere der Hülse eintritt, um nach außen durch das Gewebe getrieben und mittels der an der Innenseite aufgebrachten Piltermaterialschicht gefiltert zu werden. The filter apparatus according to the invention is d a d u r c h g e -characterized, that it consists of at least one tubular neck, which is covered by a fabric with more or less wide shoe is formed, on which a reinforcement made of plastic is pressed, which has a ring at the lower end, which into the confluence one with the clean the liquid-fed opening can be used and is blockable so that the liquid enters the interior of the sleeve driven outwards through the fabric and applied to the inside by means of the Pilter material layer to be filtered.
GemSss einer bevorzugten Ausführungsform der Erfindung weist das obere sunde der Bewehrung der Hülse ebenfalls einen Ring auf, der derart ausgebildet ist, dass er sowohl einem abnehnbaren Schliessringr als auch einen unteren Ring einer zweiten, gleichen Hülse zugeordnet werden kann, sodass die Bildung von Filterelementen beliebiger Lunge möglich ist. According to a preferred embodiment of the invention, the upper sunde of the armouring of the sleeve also has a ring which is designed in this way is that it has both a detachable locking ring and a lower ring a second, identical sleeve can be assigned, so that the formation of filter elements any lung is possible.
Die Erfindung wird anhand der beiliegenden Zeichnung nKher erläutert, in welcher die Fig. 1 in perspektivischer Darstellung und teilweise im Schnitt die Aufstellung eines erfindungsgemässen Filterapparates für eine TRockenwaschanlage zeigt, die Fig. 2 in aufgesplitterter Darstellung die Ausbildung einerFilterhlse dieses Apparates zeigt, die Fig. 3, ein Querschnitt der Hülse gemäss der Fig. 2 unmittelbar oberhalb des mit der VerstSrkung versehenden Bewehrungsringes ist, und die Fig. 4 ein aus zwei Filterhülsen gebildetes Filterelement im Aufriss veranschaulicht. The invention is explained with reference to the accompanying drawing, in which Fig. 1 in a perspective view and partially in section Installation of a filter apparatus according to the invention for a tumble dryer FIG. 2 shows, in a split representation, the design of a filter sleeve FIG. 3 shows this apparatus, a cross section of the sleeve according to FIG. 2 is immediately above the reinforcement ring provided with the reinforcement, and Fig. 4 illustrates a filter element formed from two filter sleeves in elevation.
Der in Fig. 1 gezeigte Filterapparat besteht aus dem zylindrischen Behälter 1, der oben eine Querabdeckung 2 aufweist und dessen Basis 3 ein konisches Profil besitzt und mit einem Ablasshahn 4 ausgerastet ist. Oberhalb der Basis 3 achliesst der Behälter 1 eine kreisende Platte 5 ein, welche als Abstützung fttr eine Reihe von Filterhülsen A dient. Die Platte 5 ist dicht an der Innenwand des Beläters 1 befestigt, sodass das zu filtrierende und in den Behalter dber ein Rohr 6 eintretende Lösungsmittel zwangsläufig durch die in der Platte 5 vorgesehenen Löcher strömen und die Filterhtllsen A durchsetzen muss, um sodann gereinigt und in den oberen Austrittskanal 7 zu gelangen. The filter apparatus shown in Fig. 1 consists of the cylindrical Container 1, which has a transverse cover 2 at the top and whose base 3 is conical Has a profile and is disengaged with a drain cock 4. Above the Base 3 the container 1 encloses a rotating plate 5, which serves as a support a number of filter sleeves A are used. The plate 5 is close to the inner wall of the Beläters 1 attached so that the filter to be filtered and into the container over a pipe 6 entering solvents inevitably through the provided in the plate 5 Holes flow and the filter sleeves A must penetrate in order to then cleaned and to get into the upper outlet channel 7.
Wie aus den Fig. 2 und 3 ersichtlich ist, besitzt Jede Filterhülse A ein Gewebe 8 mit mehr oder weniger grossem Schuhs aus synthetischem L-terial oder aus Metall welches derart zusamaengerollt ist, dass es ein rohrförmiges Profil mit kreisrundem Querschnitt bildet. Auf diesem Gewebe oder dieser Verkleidung 8 ist direkt eine Bewehrung aus Kunststoff aufgepresst. As can be seen from FIGS. 2 and 3, each has a filter sleeve A is a fabric 8 with a more or less large shoe made of synthetic material or made of metal which is rolled up in such a way that it has a tubular profile circular cross-section forms. On this fabric or this panel 8 is a reinforcement made of plastic pressed on directly.
Im dargestellten Beispiel besteht diese Bewehrung aus zwei diametral entgegengesetzt angeordneten vertikalen Distanzstäcken 9, die im Querschnitt ein im wesentlichen trapezförmiges Profil besitzen. Diese beiden Distanzstücke sind mit einen mit einer Verstärkung versehenen Ring 10 und zwei Endringen 11 und 12 verr bunden. An den vertikalen Distanzstücken 9 wird der Pilterteil befestigt, sodass das Gewebe 8 fest an der Bewehrung des Schlauches anliegt.In the example shown, this reinforcement consists of two diametrically opposed oppositely arranged vertical spacers 9, which in cross section a have a substantially trapezoidal profile. These two spacers are with a reinforced ring 10 and two end rings 11 and 12 verr bound. The filter part is attached to the vertical spacers 9 so that the fabric 8 rests firmly against the reinforcement of the hose.
Der untere Ring 11 verlängert sich nach unten in form einer Buchse 1 1a von etwas geringerem Durchmesser. The lower ring 11 extends downward in the form of a socket 1 1a of a slightly smaller diameter.
Die Aussenwand der Buchse 11a weist zwei Voraprtnge oder Erhebungen 11b auf, die zueinander diametral entgegengesetzt licUen. Die Buchse 11a dient dazu, in das Innere einer Of.nung 5a der Platte 5 des Apparates eingehängt zu werden. Die Wandung dieser Offnung 5a weist zwei einander gegenüberliegende Ein schnitte 5b mit Bajonettprofil auf, welche beim Einsetzen der Vorsprünge 11b die HTlse nach deren \.rinkel verschiebung blocsieren.The outer wall of the socket 11a has two protrusions or Elevations 11b which are diametrically opposed to one another. The socket 11a is used to hang in the interior of an opening 5a of the plate 5 of the apparatus to become. The wall of this opening 5a has two opposing a cuts 5b with bayonet profile, which when inserting the projections 11b the Block the lock after its angular shift.
Der obere Ring 12 der Hülse weist ebenfalls zwei Bajonettrasten 12a auf, in welche die beiden Vorsprünge 13b der Buchse 13a des oberen Schlussringos 13 einsetzbar sind. The upper ring 12 of the sleeve also has two bayonet catches 12a on, in which the two projections 13b of the socket 13a of the upper locking ring 13 can be used.
Es ist offensichtlich, dass die oben beschriebenen Filterhülsen A leicht im Inneren des Behälters 1-2 des Apparates in derselben einfachen Weise wie Glühbirnen mit Baonettfassung montiert werden,knnen. Weiter ist zu bemerken, dass die Gegenwart der Bewehrung in keiner Weise die nttzliche Oberfläche des Gewebes 8 herabsetzt, sodass praktisch die ganze Innenfläche einer Jeden Hälse für die Filtrierung ausgeititzt werden kann. It is obvious that the filter sleeves A easily inside the container 1-2 of the apparatus in the same simple manner as Bulbs can be mounted with a bayonet socket. It should also be noted that the presence of the reinforcement in no way affects the useful surface of the fabric 8 lowers, so that practically the entire inner surface of each neck is used for filtration can be thrown out.
Das Filtermaterial setzt sich auf der Innenwand des Gewebes in vollkommen homogener Weise aufgrund des geringeren Innenvolumens einer jeden Hülse ab. Wenn die Filter gereinigt werden messen, so wird ein einziger auf den Elementen befestigter Flansch gerüttelt. The filter material settles in perfectly on the inner wall of the fabric homogeneously due to the smaller internal volume of each sleeve. if If the filters are cleaned, a single one is attached to the elements Flange jolted.
Dieser Flansch ist mit einer Halterung 13c versehen, dber welche ein elektrischer oder pneumatischer, nicht dargestellter Vibrator angeschlossen werden kann.This flange is provided with a holder 13c, over which a electric or pneumatic vibrator, not shown, can be connected can.
Die Buchse 11a des unteren Ringes 11 besitzt vorzugsweise denselben Durchmesser wie jener der Buchse 13a des Verschlusses 13, sodass diese Buchse lla in das Innere des oberen Ringes 12 einer identischen HTlse eingesetzt und dort blockiert werden kann. Man hat auf diese Weise den Vorteil Filterelemente zu realisieren welche aus einer verschiedenen Anzahl von Sinheitfilterhülsen von der in Fig. 4 gezeigten Art bestehen, wobei in Fig. 4 angenommen wurden dass das in Betracht gezogene Filterelement aus zwei Hülsen A besteht. The socket 11a of the lower ring 11 preferably has the same Diameter like that of the socket 13a of the closure 13, so that this socket lla inserted into the interior of the upper ring 12 of an identical HTlse and blocked there can be. In this way you have the advantage of realizing filter elements a different number of sinus filter tubes from that shown in FIG Art exist, where in Fig. 4 it was assumed that the considered filter element consists of two sleeves A.
Die Erfindung wurde anhand-eines bevorzugten jedocht nicht einschränkenden Ausführungsbeispieles beachrieben und es ist offensichtlich, dass zahlreiche Abänderungen sowie der Ersatz durch gleichwertige Teile möglie sind. Es ist offensichtlich, dass die Bewehrung eino unbegreuzte Anzahl von vertikalen Distanzstücken 9 und Ringes 10 besitzen kann. In gleicher Weise kann der Zusammenbau und die Befestigung der Hülsen wie oben durch ein Bajonettsystem oder auch durch Einschrauben, Verklemmen, Verleimen u.dgl. erfolgen. Diese Befestigung oder der Zusammenbau können natürlich auch in einfachster Weise mittels Blockierung der Enden mit Formschlt(ssen, wie beispielsweise mit Ringen, erzielt werden. The invention has been presented on the basis of a preferred but not restrictive one Embodiment noted and it is obvious that numerous modifications as well as replacement by equivalent parts are possible. It is obvious that the reinforcement an unlimited number of vertical spacers 9 and ring 10 can own. In the same way, the assembly and fastening of the Sleeves as above by a bayonet system or by screwing in, clamping, Gluing and the like. This attachment or assembly can of course also in the simplest way by blocking the ends with form locks, such as for example with rings.
In der Praxis können die angewendeten Werkstoffe und bmessungen, Je nach den Erfordernissen, beliebig gewahlt werden, ohne dadurch den Rahmen der Erfindung zu tberschreiten. In practice, the materials and dimensions used can Depending on the requirements, can be chosen at will without affecting the scope of the Invention to exceed.
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7107579A FR2127360A5 (en) | 1971-03-01 | 1971-03-01 | Tubular filter element - comprises mesh sleeve moulded in plastics framework |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2225129A1 true DE2225129A1 (en) | 1973-12-06 |
Family
ID=9072951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2225129A Withdrawn DE2225129A1 (en) | 1971-03-01 | 1972-05-24 | FILTER UNIT FOR DRY WASHING SYSTEMS OD. DGL. INTENDED USE |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2225129A1 (en) |
FR (1) | FR2127360A5 (en) |
IT (1) | IT947920B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2638142A1 (en) * | 1976-05-06 | 1977-11-17 | Textron Inc | FILTER |
US4228012A (en) * | 1978-10-26 | 1980-10-14 | Pall Corporation | End cap coupler system for linking one filter cartridge to another filter cartridge or functional member |
EP0098643A2 (en) * | 1982-07-05 | 1984-01-18 | DrM, Dr. Müller AG | Device for fastening filter candles |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2843641A1 (en) * | 1978-10-06 | 1980-04-17 | Kurt Helmut Hofmann | WATER FILTER, ESPECIALLY FOR AQUARIUM WATER |
US4713174A (en) * | 1986-07-22 | 1987-12-15 | Industrial Filter & Pump Mfg. Co. | Mounting arrangement for a tube-type filter element |
ES2192058T3 (en) | 1998-07-25 | 2003-09-16 | Mueller Drm Ag | SPARK FILTER ELEMENTS DEVICE THAT IS SUSPENDED FROM A COLLECTOR TUBE IN A PRESSURE CONTAINER. |
US6467481B1 (en) * | 1999-04-29 | 2002-10-22 | Vase Technology | Stackable filter device |
US6793702B2 (en) | 2000-06-28 | 2004-09-21 | Muniyapla Eswarappa | Filter cartridge platform and filter cartridge for use on the platform |
US6730218B2 (en) * | 2001-04-24 | 2004-05-04 | Graver Technologies, Inc. | Coupling device for connecting a replaceable filter element to a conduit |
US7927392B2 (en) | 2008-10-28 | 2011-04-19 | Bha Group, Inc. | Twist and lock connection for pleated filter element with flange-to-flange locking means |
BE1022182A9 (en) | 2013-10-03 | 2016-12-16 | Atlas Copco Airpower Nv | Liquid separator |
-
1971
- 1971-03-01 FR FR7107579A patent/FR2127360A5/en not_active Expired
-
1972
- 1972-02-25 IT IT21056/72A patent/IT947920B/en active
- 1972-05-24 DE DE2225129A patent/DE2225129A1/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2638142A1 (en) * | 1976-05-06 | 1977-11-17 | Textron Inc | FILTER |
US4228012A (en) * | 1978-10-26 | 1980-10-14 | Pall Corporation | End cap coupler system for linking one filter cartridge to another filter cartridge or functional member |
EP0098643A2 (en) * | 1982-07-05 | 1984-01-18 | DrM, Dr. Müller AG | Device for fastening filter candles |
US4488965A (en) * | 1982-07-05 | 1984-12-18 | Drm, Dr. Muller Ag | Arrangement for fastening filter candles and filter apparatus provided therewith |
EP0098643A3 (en) * | 1982-07-05 | 1987-09-09 | DrM, Dr. Müller AG | Device for fastening filter candles |
Also Published As
Publication number | Publication date |
---|---|
IT947920B (en) | 1973-05-30 |
FR2127360A5 (en) | 1972-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
8139 | Disposal/non-payment of the annual fee |