[go: up one dir, main page]

DE3417248A1 - Apparatus for separating out solids from liquids - Google Patents

Apparatus for separating out solids from liquids

Info

Publication number
DE3417248A1
DE3417248A1 DE19843417248 DE3417248A DE3417248A1 DE 3417248 A1 DE3417248 A1 DE 3417248A1 DE 19843417248 DE19843417248 DE 19843417248 DE 3417248 A DE3417248 A DE 3417248A DE 3417248 A1 DE3417248 A1 DE 3417248A1
Authority
DE
Germany
Prior art keywords
sieve
frame
disks
cylindrical
mesh
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.)
Granted
Application number
DE19843417248
Other languages
German (de)
Other versions
DE3417248C2 (en
Inventor
Alois 4040 Neuss Ferch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Filtertek SA
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19843417248 priority Critical patent/DE3417248A1/en
Publication of DE3417248A1 publication Critical patent/DE3417248A1/en
Application granted granted Critical
Publication of DE3417248C2 publication Critical patent/DE3417248C2/de
Granted legal-status Critical Current

Links

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
    • B01D29/96—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/06—Saliva removers; Accessories therefor
    • A61C17/065—Saliva removers; Accessories therefor characterised by provisions for processing the collected matter, e.g. for separating solids or air
    • 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
    • B01D29/01—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 flat 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
    • B01D29/56—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 series connection
    • B01D29/58—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 series connection arranged concentrically or coaxially
    • 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
    • B01D2201/188—Multiple filtering elements having filtering areas of different size
    • 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
    • B01D2201/4046—Means for avoiding false mounting of different parts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The apparatus for separating out solids, in particular amalgam grains from the rinsing liquid in dental devices, is composed of screen disks (1a, 1b, 1c) through which the liquid flows axially and which are arranged one above the other and are joined together, the thermoplastic screen cloth of which screen disks is held in each case by an annular frame (2) and is arranged transversely to the direction of incoming flow. Each two neighbouring, identically-shaped screen disks (1a, 1b, 1c) are inserted one into another and are positively connected. The individual screens (3a, 3b, 3c) have decreasing mesh widths in the direction of incoming flow. <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Abscheiden von Fest-The invention relates to a device for separating solid

stoffen, insbesondere Amalgamkörnern aus der Spülflüssigkeit in zahnärztlichen Einrichtungen, bestehend aus axial durchflossenen, übereinander angeordneten, miteinander zusammengefügten Siebscheiben, deren jeweils von einem ringförmigen Rahmen eingefaßtes, aus einem thermoplastischen Kunststoff bestehenden Siebgewebe quer zur Einströmrichtung angeordnet sind.substances, especially amalgam grains from the rinsing liquid in dental Devices consisting of axially flowed through, arranged one above the other, with one another assembled sieve disks, each of which is enclosed by an annular frame, made of a thermoplastic plastic mesh at right angles to the direction of flow are arranged.

Nach den gesetzlichen Vorschriften dürfen keine Anialgamkörner, die größer als 20 1L sind, in die Abwässer gelangen. Dazu sind in den Abflußleitungen an zahnärztlichen Bohreinrichtungen Abscheidevorrichtungen vorgesehen, an denen feste Teilchen zurückgehalten werden. Die abgeschiedenen Anteile werden von Zeit zu Zeit aus den Filtern entfernt und in vorgeschriebener Weise unschädlich gemacht.According to the legal regulations no analgam grains that are larger than 20 1L, enter the sewage. These are in the drain lines Separation devices provided on dental drilling equipment, on which solid particles are retained. The separated portions will be over time removed from the filters at time and rendered harmless in the prescribed manner.

Für die beschriebenen Zwecke sind Filter bekannt, die aus einem Stapel diskusförmiger Siebscheiben bestehen, deren Siebwerk von ringförmigen Rahmen eingefaßt sind (z.B. DE-AS 12 89 827). Die Scheiben der Vorrichtungen dieser Art werden stirnseitig zwischen Profilformstücken zusammengehalten.For the purposes described, filters are known that consist of a stack There are disc-shaped sieve disks, the sieve of which is surrounded by an annular frame (e.g. DE-AS 12 89 827). The disks of the devices of this type are frontal held together between profile fittings.

Wenn das Siebgewebe verstopft oder nicht mehr gebrauchsfähig wird, wird das ganze Filter ausgewechselt.If the sieve mesh becomes clogged or no longer usable, the whole filter is changed.

Aufgabe der Erfindung ist es, eine sehr einfach aufgebaute Abscheidevorrichtung der eingangs genannten Art zu schaffen, die den Austausch einzelner Siebscheiben ermöglicht.The object of the invention is to provide a separating device with a very simple structure of the type mentioned to create the replacement of individual sieve discs enables.

Diese Aufgabe wird durch die Erfindungsmerkmale des Anspruchs 1 gelöst. Weitere vorteilhafte Weiterbildungen der Erfindung gehen aus den Unteransprüchen hervor.This object is achieved by the features of the invention of claim 1. Further advantageous developments of the invention emerge from the subclaims emerged.

Die erfindungsgemäße Vorrichtung ist sehr einfach, sie besteht lediglich aus den Siebscheiben, die ineinander eingerastet sind und eine kompakte Einheit bilden. Im Bedarfsfall können auch einzelne Scheiben schnell ausgewechselt werden. Dadurch wird die Standzeit der Vorrichtung verlängert.The device according to the invention is very simple, it just exists from the sieve discs, which are snapped into one another and form a compact unit form. If necessary, individual panes can also be exchanged quickly. This extends the service life of the device.

Die Maschenweiten der Siebe sind abgestuft, und jeder Siebscheibe mit einer bestimmten Maschenweite ist eine bestimmte Rahmenfarbe zugehordnet. Damit ist eine Verwechslung der Maschenweiten beim teilweisen Filterwechsel ausgeschlossen.The mesh sizes of the sieves are graduated, and each sieve disc with a certain mesh size a certain frame color is assigned. In order to a mix-up of the mesh sizes with partial filter changes is excluded.

Die Erfindung wird anhand der beigefügten Zeichnung eines Beispiels näher erläutert, die eine erfindungsgemäße Abscheidevorrichtung im teilweisen Axialschnitt zeigt.The invention is illustrated by way of example with reference to the accompanying drawing explained in more detail that a separation device according to the invention in partial axial section shows.

Wie aus der Zeichnung ersichtlich ist, besteht die Vorrichtung aus axial durchflossenen, übereinander angeordneten und miteinander zusammengefügten Siebscheiben la, lb, 1c. Die Durchströmrichtung ist mit E bezeichnet. Die Siebscheiben la, lb, lc weisen jeweils einen Rahmen 2 auf, der ein ringförmiges, abgesetztes Profilformstück ist. Der Rahmen besitzt zwei zylindrische Bereiche 4 und 5 mit unterschiedlichem inneren und äußeren Durchmesser. Alle Siebscheiben la, lb, 1c sind formgleich ausgeführt. Der Außendurchmesser des einen Bereichs 4 ist jeweils dem Innendurchmesser des anderen Bereichs 5 gleich. Von jedem Rahmen 2 ist ein aus einem thermoplastischen Kunststoff bestehendes Siebgewebe 3a, 3b, 3c eingefaßt. In dem dargestellten Beispiel weist das in der Einströmrichtung E erste Siebgewebe 3a eine Maschenweite von 40t das mittlere Siebgewebe 3b von 208 und das dritte Siebgewebe 3c von 16# auf. Jedes Siebgewebe ist an der sich quer zur Achse der Siebscheibe la, lb, 1c erstreckenden inneren Absatzfläche 6, die zwischen den beiden zylindrischen Bereichen 4 und 5 des Rahmens 2 angeordnet ist, befestigt.As can be seen from the drawing, the device consists of axially flowed through, arranged one above the other and joined together Sieve discs la, lb, 1c. The direction of flow is denoted by E. The sieve discs la, lb, lc each have a frame 2, which is an annular, stepped Profile fitting is. The frame has two cylindrical areas 4 and 5 with different inner and outer diameter. All sieve disks la, lb, 1c are of the same shape. The outer diameter of one area 4 is the inner diameter of the other in each case Area 5 the same. One of each frame 2 is made of a thermoplastic material existing screen mesh 3a, 3b, 3c bordered. In the example shown, the first screen fabric 3a in the inflow direction E has a mesh size of 40t middle mesh 3b of 208 and the third mesh 3c of 16 #. Any screen mesh is on the transverse to the axis of the sieve disc la, lb, 1c extending inner Heel surface 6 between the two cylindrical areas 4 and 5 of the frame 2 is arranged, attached.

An der Außenwand des zylindrischen Rahmenbereiches 5 mit dem kleineren Durchmesser ist eine ringförmige Wulst 9 angeordnet, deren Form der an der Innenwand des zylindrischen Rahmenbereiches 4 mit dem größeren Durchmesser angeordneten Nut 8 entspricht.On the outer wall of the cylindrical frame area 5 with the smaller one Diameter is an annular bead 9, the shape of which is that on the inner wall of the cylindrical frame area 4 with the larger diameter arranged groove 8 corresponds.

Beim Einrasten von zwei benachbarten Siebscheiben wirkt jeweils die Wulst 7 mit der Nut 8 zusammen.When two adjacent sieve disks snap into place, the Bead 7 with the groove 8 together.

Jede von den Siebscheiben la, lb, 1c weist eine unterschiedliche Farbe auf, wobei jeweils einer bestimmten Maschenweite eine bestimmte Farbe zugeordnet ist.Each of the sieve disks la, lb, 1c has a different color on, with a specific color assigned in each case to a specific mesh size is.

Die Höhe der zylindrischen Rahmenbereiche 4 und 5 ist so bemessen, daß jeweils der obere Rand 11 der Siebscheibe in zusammengefügtem Zustand der Vorrichtung auf der äußeren Absatzfläche 10 der benachbarten Siebscheibe aufsitzt. Die äußere Absatzfläche 10 erstreckt sich bei jedem Rahmen zwischen den Bereichen 4 und 5.The height of the cylindrical frame areas 4 and 5 is dimensioned so that in each case the upper edge 11 of the sieve disc in the assembled state of the device sits on the outer shoulder surface 10 of the adjacent sieve disc. The outer The shoulder surface 10 extends between the areas 4 and 5 in each frame.

In dem dargestellten Beispiel ist die erfindungsgemäße Abscheidevorrichtung von einem Ring 9 gehalten, der in der Abflußleitung sitzt. Naturgemäß ist die ganze Vorrichtung so ausgelegt, daß die Flüssigkeit restlos durch die Vorrichtung strömt.In the example shown is the separation device according to the invention held by a ring 9 which sits in the drain line. The whole thing is natural Device designed so that the liquid flows completely through the device.

Claims (7)

Vorrichtung zum Abscheiden von Feststoffen aus Flüssigkeiten Patentansprüche 1. Vorrichtung zum Abscheiden von Feststoffen, insbesondere Amalgamkörnung aus der Spülflüssigkeit in zahnärztlichen Einrichtungen, bestehend aus axial durchflossenen, übereinander angeordneten, mit einander zusammengefügten Siebscheiben, deren jeweils von einem ringförmigen Rahmen eingefaßtes, aus einem thermoplastischen Kunststoff bestehendes Siebgewebe quer zur Einströmrichtung angeordnet ist, dadurch gekennzeichnet, daß jeweils zwei benachbarte, formgleiche Siebscheiben (la, lb, lb, lc) ineinandergesteckt und miteinander formschlüssig verbunden sind, wobei die einzelnen Siebe (3a, 3b, 3c) in der Einströmrichtung sich verkleinernde Maschenweiten aufweisen. Device for separating solids from liquids. Claims 1. Device for separating solids, in particular amalgam granules from the Rinsing fluid in dental facilities, consisting of axially flowed through, stacked sieve disks joined together, each of which enclosed by an annular frame, made of a thermoplastic material existing screen mesh is arranged transversely to the direction of inflow, characterized in that that two adjacent, identical sieve disks (la, lb, lb, lc) are plugged into one another and are positively connected to one another, the individual screens (3a, 3b, 3c) have smaller mesh sizes in the inflow direction. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Rahmen (2) der Siebscheibe (la, lb, lc) ein ringförmiges, abgesetztes Profilformstück ist, welches zwei zylindrische Bereiche (4, 5) mit unterschiedlichen Innen- und Außendurchmessern aufweist, wobei der Außendurchmesser des einen Bereichs (4) dem Innendurchmesser des anderen Bereichs (5) gleich ist.2. Apparatus according to claim 1, characterized in that the frame (2) the sieve disc (la, lb, lc) is an annular, stepped profile molding, which has two cylindrical areas (4, 5) with different inside and outside diameters having, the outer diameter of the one region (4) being the inner diameter of the other area (5) is the same. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Siebgewebe (3a, 3b, 3c) an der sich quer zur Achse der Siebscheibe (la, lb, lc) erstreckenden inneren Absatzfläche (6) zwischen den beiden zylindrischen Bereichen (4, 5) des Siebscheibenrahmens (2) befestigt ist.3. Apparatus according to claim 2, characterized in that the screen fabric (3a, 3b, 3c) on the transverse to the axis of the sieve disc (la, lb, lc) extending inner shoulder surface (6) between the two cylindrical areas (4, 5) of the Sieve disc frame (2) is attached. 4. Vorrichtung nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß jeder Siebscheibenrahmen (2) an der Außenwand des zylindrischen Rahmenbereichs (5) mit dem kleineren Durchmesser eine ringförmige Wulst (7) oder eine Nut (8) und an der Innenwand des zylindrischen Rahmenbereichs (4) mit dem größeren Durchmesser eine entsprechende ringförmige Nut (8) oder Wulst (7) aufweist, wobei beim Einrasten von zwei benachbarten Siebscheiben (la, lb; lb, lc) jeweils die Nut (8) und die Wulst (7) zusammenwirken.4. Device according to claims 1 to 3, characterized in that that each sieve disc frame (2) on the outer wall of the cylindrical frame area (5) with the smaller diameter an annular bead (7) or a groove (8) and on the inner wall of the cylindrical frame area (4) with the larger diameter has a corresponding annular groove (8) or bead (7), wherein when engaging of two adjacent sieve disks (la, lb; lb, lc) each the groove (8) and the Cooperate bead (7). 5. Vorrichtung nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß die einzelnen Siebscheiben (la, lb, lc), aus denen die Vorrichtung zusammengesetzt ist, unterschiedliche Farben aufweisen, wobei jedem Rahmen (2) mit Siebgewebe einer bestimmten Maschenweite eine bestimmte Farbe zugeordnet ist.5. Apparatus according to claim 1 to 4, characterized in that the individual sieve disks (la, lb, lc) that make up the device is, have different colors, each frame (2) with a screen mesh one a certain mesh size is assigned a certain color. 6. Vorrichtung nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die Höhe der zylindrischen Bereiche (4, 5) der Rahmen (2) so bemessen ist, daß jeweils der obere Rand (11) der Siebscheiben (la, lb, lc) im zusammengefügten Zustand der Vorrichtung auf der äußeren Absatzfläche (10), die sich zwischen den Bereichen (4, 5) erstreckt, der benachbarten Siebscheibe aufsitzt.6. Apparatus according to claim 1 to 5, characterized in that the height of the cylindrical areas (4, 5) of the frame (2) is dimensioned so that in each case the upper edge (11) of the sieve disks (la, lb, lc) in the assembled state of the Device on the outer shoulder surface (10), which is located between the areas (4, 5) extends, the adjacent sieve disc is seated. 7. Vorrichtung nach Anspruch 1 bis 6, dadurch gekennzeichnet, daß die Maschenweiten der Siebe (3a, 3b, 3c) - in Einströmrichtung betrachtet - von 40 e bis 16# y abgestuft sind.7. Apparatus according to claim 1 to 6, characterized in that the mesh sizes of the sieves (3a, 3b, 3c) - viewed in the inflow direction - from 40 e to 16 # y are graded.
DE19843417248 1984-05-10 1984-05-10 Apparatus for separating out solids from liquids Granted DE3417248A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843417248 DE3417248A1 (en) 1984-05-10 1984-05-10 Apparatus for separating out solids from liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843417248 DE3417248A1 (en) 1984-05-10 1984-05-10 Apparatus for separating out solids from liquids

Publications (2)

Publication Number Publication Date
DE3417248A1 true DE3417248A1 (en) 1985-11-14
DE3417248C2 DE3417248C2 (en) 1992-09-17

Family

ID=6235412

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843417248 Granted DE3417248A1 (en) 1984-05-10 1984-05-10 Apparatus for separating out solids from liquids

Country Status (1)

Country Link
DE (1) DE3417248A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0317525A1 (en) * 1987-11-17 1989-05-24 Officine Augusto CATTANI &amp; C. S.P.A. A method of removing heavy metals from waste liquids discharged by dental surgery equipment, and a device for the implementation of such a method
EP0327715A1 (en) * 1988-02-12 1989-08-16 Schleicher &amp; Schuell GmbH Disposable filter
EP0381032A3 (en) * 1989-02-02 1991-01-09 Antonio Carriero Filter body with modular elements
EP0416351A1 (en) * 1989-09-08 1991-03-13 OASE-PUMPEN Wübker Söhne GmbH &amp; Co., Maschinenfabrik Poolfilter
WO1992007644A1 (en) * 1990-11-06 1992-05-14 Allied-Signal Inc. Anti-static fuel filter
WO2000071050A1 (en) * 1999-05-20 2000-11-30 Bruno Pregenzer Separator for separating solid matter from a liquid-solid mixture, collected at a dental treatment centre
US6276936B1 (en) 1999-09-30 2001-08-21 Michael Forster Dental separator for solids from a solids/liquid mixture
DE20109515U1 (en) 2001-06-11 2001-09-13 Filtertek B.V., Limerick Stack filter
WO2003073945A1 (en) * 2002-03-07 2003-09-12 Sandor George K B Bone chip harvesting trap
US6846412B2 (en) 2001-06-11 2005-01-25 Btg International Limited Combination filter assembly
WO2008121920A1 (en) * 2007-03-30 2008-10-09 Smith & Nephew, Inc. Tissue harvesting
WO2011026879A1 (en) 2009-09-03 2011-03-10 Agfa-Gevaert Frame for supporting a filter membrane
US8227047B2 (en) 2007-10-24 2012-07-24 Agfa Graphics Nv Radiation curable inkjet fluids and inks improved for photoyellowing

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19634027A1 (en) * 1996-08-23 1998-02-26 Bruno Baur Vacuum filtration unit for fluid and viscous materials optionally using biodegradable filtration inserts
CN104289018A (en) * 2014-09-09 2015-01-21 盐城市华鸥实业有限公司 Glass funnel and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295686A (en) * 1965-05-20 1967-01-03 Rockridge Lab Filter unit
DE1289827B (en) * 1966-04-16 1969-02-27 Knecht Filterwerke Gmbh Filter insert with a stack of disc-shaped sieve discs
US3539049A (en) * 1968-08-16 1970-11-10 Du Pont Disposable filter
DE2023357A1 (en) * 1969-05-19 1970-11-26 Allied Chemical Corp., New York, N.Y. (V.St.A.) Colanders or filters and methods of making them

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295686A (en) * 1965-05-20 1967-01-03 Rockridge Lab Filter unit
DE1289827B (en) * 1966-04-16 1969-02-27 Knecht Filterwerke Gmbh Filter insert with a stack of disc-shaped sieve discs
US3539049A (en) * 1968-08-16 1970-11-10 Du Pont Disposable filter
DE2023357A1 (en) * 1969-05-19 1970-11-26 Allied Chemical Corp., New York, N.Y. (V.St.A.) Colanders or filters and methods of making them

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0317525A1 (en) * 1987-11-17 1989-05-24 Officine Augusto CATTANI &amp; C. S.P.A. A method of removing heavy metals from waste liquids discharged by dental surgery equipment, and a device for the implementation of such a method
EP0327715A1 (en) * 1988-02-12 1989-08-16 Schleicher &amp; Schuell GmbH Disposable filter
EP0381032A3 (en) * 1989-02-02 1991-01-09 Antonio Carriero Filter body with modular elements
EP0416351A1 (en) * 1989-09-08 1991-03-13 OASE-PUMPEN Wübker Söhne GmbH &amp; Co., Maschinenfabrik Poolfilter
WO1992007644A1 (en) * 1990-11-06 1992-05-14 Allied-Signal Inc. Anti-static fuel filter
WO2000071050A1 (en) * 1999-05-20 2000-11-30 Bruno Pregenzer Separator for separating solid matter from a liquid-solid mixture, collected at a dental treatment centre
US6276936B1 (en) 1999-09-30 2001-08-21 Michael Forster Dental separator for solids from a solids/liquid mixture
US6846412B2 (en) 2001-06-11 2005-01-25 Btg International Limited Combination filter assembly
DE20109515U1 (en) 2001-06-11 2001-09-13 Filtertek B.V., Limerick Stack filter
WO2003073945A1 (en) * 2002-03-07 2003-09-12 Sandor George K B Bone chip harvesting trap
WO2008121920A1 (en) * 2007-03-30 2008-10-09 Smith & Nephew, Inc. Tissue harvesting
AU2008232516B2 (en) * 2007-03-30 2013-08-22 Smith & Nephew, Inc. Tissue harvesting
US8696674B2 (en) 2007-03-30 2014-04-15 Smith & Nephew, Inc. Tissue harvesting
US8795194B2 (en) 2007-03-30 2014-08-05 Smith & Nephew, Inc. Tissue harvesting
US20140309651A1 (en) * 2007-03-30 2014-10-16 Smith & Nephew, Inc. Tissue Harvesting
US9777257B2 (en) 2007-03-30 2017-10-03 Smith & Nephew, Inc. Tissue harvesting
US9822341B2 (en) 2007-03-30 2017-11-21 Smith & Nephew, Inc. Tissue harvesting
US8227047B2 (en) 2007-10-24 2012-07-24 Agfa Graphics Nv Radiation curable inkjet fluids and inks improved for photoyellowing
WO2011026879A1 (en) 2009-09-03 2011-03-10 Agfa-Gevaert Frame for supporting a filter membrane

Also Published As

Publication number Publication date
DE3417248C2 (en) 1992-09-17

Similar Documents

Publication Publication Date Title
EP0695572B1 (en) Oil separator
DE3417248A1 (en) Apparatus for separating out solids from liquids
DE4030084C2 (en) Backwash filter
DE3703831C2 (en)
DE69816068T2 (en) DEVICE FOR SEPARATING SOLIDS FROM A LIQUID
WO2020038533A1 (en) Filtering device for highly viscous media
EP0371531A1 (en) Filter bed combined with a centrifugal separator
DE19757120A1 (en) Modular fluid filter
DE2737135C2 (en) Liquid filter
DE2256489A1 (en) FILTER BAG
EP0810018B1 (en) Backwash filtering device and filter candles
EP0366903B1 (en) Filter spray head with ring-shaped filter segments
DE1757484A1 (en) air cleaner
EP0026270B1 (en) Backwash filter
DE3905854A1 (en) Edge filter candle
AT392419B (en) LIQUID FILTER
DE2502669B1 (en) Separator for removing solid particles from liquids - having filter arranged in housing, and spreading device facing filter
EP0919270A1 (en) Filtering device
EP0625367B1 (en) Filter cartridge
DE60306063T2 (en) screening device
DE3423274C2 (en) Filters for liquids
DE3321038C2 (en)
EP0789611B1 (en) Multiple tube filter device for filtering beer
DE4118283C2 (en) Process and device for filtering dirty water
DE8717960U1 (en) Labyrinth filters for the dielectric of EDM systems

Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: FERCH GMBH, 4040 NEUSS, DE

8181 Inventor (new situation)

Free format text: FERCH, ALOIS, 4040 NEUSS, DE

8127 New person/name/address of the applicant

Owner name: FILTERTEK GMBH, 4048 GREVENBROICH, DE

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8327 Change in the person/name/address of the patent owner

Owner name: FILTERTEK, S.A., PLAILLY, FR

8328 Change in the person/name/address of the agent

Free format text: BROSE, D., DIPL.-ING.DIPL.-WIRTSCH.-ING., 82319 STARNBERG BECK, A., DIPL.-ING.UNIV., PAT.-ANWAELTE,82049 PULLACH