EP0885660B1 - Shower head - Google Patents

Shower head Download PDF

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Publication number
EP0885660B1
EP0885660B1 EP98810332A EP98810332A EP0885660B1 EP 0885660 B1 EP0885660 B1 EP 0885660B1 EP 98810332 A EP98810332 A EP 98810332A EP 98810332 A EP98810332 A EP 98810332A EP 0885660 B1 EP0885660 B1 EP 0885660B1
Authority
EP
European Patent Office
Prior art keywords
shower head
water
shower
insert
nozzle insert
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
Application number
EP98810332A
Other languages
German (de)
French (fr)
Other versions
EP0885660A1 (en
Inventor
Paul Boesch
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.)
H Weidmann AG
Original Assignee
H Weidmann AG
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 H Weidmann AG filed Critical H Weidmann AG
Publication of EP0885660A1 publication Critical patent/EP0885660A1/en
Application granted granted Critical
Publication of EP0885660B1 publication Critical patent/EP0885660B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1609—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a lift valve
    • B05B1/1618—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a lift valve where said valve is a double-seat lift valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/528—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles by resilient deformation of the nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads

Definitions

  • the invention relates to a shower head, in particular for a Hand shower or a fixed shower, with a housing, which is connected to a water supply, and with a nozzle insert made of soft elastic material attached to the housing, which nozzle insert has a plurality of water outlet openings has and mechanical to blow off limescale can be tumbled.
  • a shower head of this type is in the prior art from EP-A-0 719 587 became known. With this are the water outlet openings at least partially as hose-like nozzle attachments educated. So that the nozzle attachments are flexed by hand to blow off of limescale is possible, at least one Part of the hose-like nozzle attachments in a certain axial Area surrounded by a free annulus. Similar shower heads are in numerous similar and further versions in State of the art known. It is still open here, for example referred to WO 91/12894. These shower heads have in common that the nozzle insert is plate-shaped and the water outlet openings through hose-like and thin-walled end pieces are formed.
  • the invention has for its object a shower head to create the type mentioned, which avoids the disadvantage mentioned above.
  • the task is done with a generic shower head the features of the characterizing part of claim 1 solved.
  • Such an annular Backdrop can also be used to remove limescale very good and handy to walk, but avoids thin walls, that can be hurt. Instabilities in beam formation, as in the known hose-like nozzle approaches are avoided.
  • the backdrop is particularly suitable for a shower head that changes from shower mode to jet mode is convertible. The use for the blasting operation can then be centric be arranged to the backdrop.
  • the backdrop with two or more concentric circumferential rows such is suitable especially for a bath shower, which has a correspondingly high Number of water outlet openings is provided. Between adjacent rows are incorporated into the backdrop of grooves or grooves, which allow walking of the individual rows.
  • the shower according to the invention is characterized by a particularly high Lifespan and still allows the distance mentioned limescale deposits by blasting.
  • FIG. 1 shows a shower head 10 with a housing 1, the from a bell-shaped housing part 5 and a shower base 6 exists. Both parts are screwed together and through Seals 14 to form a water space 16 against each other sealed.
  • the water space 16 is in connection with a water inlet channel 15, in a known manner to a not shown here Water supply is to be connected. Concentric to the water space 16 there is another water space 17.
  • a Button 7 can be the water inlet channel 15 optionally with the water room 16 or the water space 17 are connected. In the shown Position is the water inlet channel 15 with the water space 17 connected.
  • the annular intermediate insert 2 consists of a rubber-elastic Material preferably with a hardness in the range of 40 to 80 Shore A, preferably about 50 Shore A. Like FIG. 2 shows, the insert 2 concentrically has two rows A, B. several water outlet openings 3. The insert 2 is according to 1 protruding from the bottom underside 6a of the shower base 6 and can radially inwards and outwards be walked. Here there are limescale deposits in the water outlet openings 3 canceled.
  • the base 2a of the nozzle insert 2 is anchored in the annular groove 4 of the shower base 6.
  • the nozzle insert 2 is preferably molded onto the shower base 6a and thus firmly connected to it. This enables one particularly inexpensive manufacture.
  • Figure 3 shows a nozzle insert in which three concentrically Rows A, B, C with water outlet openings 3 are arranged. Between two adjacent rows A, B and B, C is one Groove or groove 21 incorporated, which is a fulling of the neighboring Rows allowed.
  • This nozzle insert 20 is also in a groove molded onto the shower base 6. In the version shown are three rows A, B, C are provided. However, versions are also conceivable with two rows or more than three rows.
  • This nozzle insert 20 is particularly suitable for a shower head.

Landscapes

  • Nozzles (AREA)
  • Massaging Devices (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Sewing Machines And Sewing (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)

Abstract

The shower head has a nozzle insert (2) made of soft elastic material. This forms a ring-shaped slide guide (4) which is held by its base (2a) on the housing (1). The nozzle insert can be injection moulded on the housing to protrude from it. The nozzle insert has a Shore hardness of about 50 Shore A. The insert has a circumferential groove, between two adjoining rows of water outlet openings, at the end side. The shower head can have a nozzle (12), for forming a water jet, coaxial with its insert. A button (7) is used to change from shower to jet operation.

Description

Die Erfindung betrifft einen Brausekopf, insbesondere für eine Handbrause oder eine fest installierte Brause, mit einem Gehäuse, das an eine Wasserzufuhr anzuschliessen ist, und mit einem am Gehäuse angebrachten Düseneinsatz aus weichelastischem Material, welcher Düseneinsatz eine Mehrzahl von Wasseraustrittsöffnungen aufweist und zum Absprengen von Kalkablagerungen mechanisch gewalkt werden kann.The invention relates to a shower head, in particular for a Hand shower or a fixed shower, with a housing, which is connected to a water supply, and with a nozzle insert made of soft elastic material attached to the housing, which nozzle insert has a plurality of water outlet openings has and mechanical to blow off limescale can be tumbled.

Ein Brausekopf dieser Art ist im Stand der Technik aus der EP-A-0 719 587 bekannt geworden. Bei diesem sind die Wasseraustrittsöffnungen zumindest teilweise als schlauchartige Düsenansätze ausgebildet. Damit ein Walken der Düsenansätze von Hand zum Absprengen von Kalkablagerungen möglich ist, ist zumindest ein Teil der schlauchartigen Düsenansätze in einem bestimmten achsialen Bereich von einem freien Ringraum umgeben. Ähnliche Brauseköpfe sind in zahlreichen ähnlichen und weiteren Ausführungen im Stand der Technik bekannt. Es sei hier beispielsweise noch auf die WO 91/12894 verwiesen. Diesen Brauseköpfen ist gemeinsam, dass der Düseneinsatz plattenförmig ausgebildet ist und die Wasseraustrittsöffnungen durch schlauchartige und dünnwandige Endstücke gebildet sind. Beim Brausekopf nach der EP-A-0 435 031 wird als sehr wesentlich angesehen, dass diese schlauchartigen Endstücke möglichst dünnwandig sind. Damit soll es mit einfachen Mitteln möglich sein, die Kalkverkrustungen gezielt am stromabwärts gelegenen Ende der Endstücke durch Walken zu entfernen. Nachteilig ist hier jedoch, dass diese dünnwandigen Endstücke verletzungsanfällig sind und insbesondere beim Walken beschädigt werden können.A shower head of this type is in the prior art from EP-A-0 719 587 became known. With this are the water outlet openings at least partially as hose-like nozzle attachments educated. So that the nozzle attachments are flexed by hand to blow off of limescale is possible, at least one Part of the hose-like nozzle attachments in a certain axial Area surrounded by a free annulus. Similar shower heads are in numerous similar and further versions in State of the art known. It is still open here, for example referred to WO 91/12894. These shower heads have in common that the nozzle insert is plate-shaped and the water outlet openings through hose-like and thin-walled end pieces are formed. In the shower head according to EP-A-0 435 031 is considered very essential that these tubular End pieces are as thin-walled as possible. This is supposed to be simple Means be possible, the lime incrustations targeted at the downstream remove the end of the end pieces by milling. The disadvantage here, however, is that these thin-walled end pieces are prone to injury and especially damaged when walking can be.

Der Erfindung liegt die Aufgabe zugrunde, einen Brausekopf der genannten Art zu schaffen, der den oben genannten Nachteil vermeidet.The invention has for its object a shower head to create the type mentioned, which avoids the disadvantage mentioned above.

Die Aufgabe ist bei einem gattungsgemässen Brausekopf durch die Merkmale des kennzeichnenden Teils des Anspruchs 1 gelöst. Eine solche ringförmige Kulisse lässt sich zum Entfernen von Kalkablagerungen ebenfalls sehr gut und handlich walken, vermeidet aber dünne Wandungen, die verletzt werden können. Instabilitäten in der Strahlbildung, wie sie bei den bekannten schlauchartigen Düsenansätzen vorkommen, werden vermieden. Die Kulisse eignet sich insbesondere für einen Brausekopf, der vom Brausebetrieb auf Strahlbetrieb umstellbar ist. Der Einsatz für den Strahlbetrieb kann dann zentrisch zur Kulisse angeordnet werden. Ist gemäss einer Weiterbildung der Erfindung die Kulisse mit zwei oder mehr konzentrisch umlaufenden Reihen versehen, so eignet sich eine solche besonders für eine Badebrause, welche mit einer entsprechend hohen Anzahl von Wasseraustrittsöffnungen versehen ist. Zwischen benachbarten Reihen sind in die Kulisse Rillen oder Nuten eingearbeitet, die ein Walken der einzelnen Reihen ermöglichen. Die erfindungsgemässe Brause zeichnet sich durch eine besonders hohe Lebensdauer aus und ermöglicht trotzdem die genannte Entfernung von Kalkablagerungen durch Absprengen.The task is done with a generic shower head the features of the characterizing part of claim 1 solved. Such an annular Backdrop can also be used to remove limescale very good and handy to walk, but avoids thin walls, that can be hurt. Instabilities in beam formation, as in the known hose-like nozzle approaches are avoided. The backdrop is particularly suitable for a shower head that changes from shower mode to jet mode is convertible. The use for the blasting operation can then be centric be arranged to the backdrop. According to further training of the invention, the backdrop with two or more concentric circumferential rows, such is suitable especially for a bath shower, which has a correspondingly high Number of water outlet openings is provided. Between adjacent rows are incorporated into the backdrop of grooves or grooves, which allow walking of the individual rows. The Shower according to the invention is characterized by a particularly high Lifespan and still allows the distance mentioned limescale deposits by blasting.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features result from the dependent ones Claims, the following description and the Drawing.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Figur 1
einen Schnitt durch eine erfindungsgemässe Brause,
Figur 2
eine Ansicht eines Düseneinsatzes, und
Figur 3
einen Abschnitt eines Düseneinsatzes nach einer Variante.
Exemplary embodiments of the invention are explained in more detail below with reference to the drawing. Show it:
Figure 1
2 shows a section through a shower head according to the invention,
Figure 2
a view of a nozzle insert, and
Figure 3
a section of a nozzle insert according to a variant.

Die Figur 1 zeigt einen Brausekopf 10 mit einem Gehäuse 1, das aus einem glockenförmigen Gehäuseteil 5 sowie einem Brauseboden 6 besteht. Beide Teile sind miteinander verschraubt und durch Dichtungen 14 zur Bildung eines Wasserraumes 16 gegeneinander abgedichtet. Der Wasserraum 16 ist in Verbindung mit einem Wasserzulaufkanal 15, der in bekannter Weise an eine hier nicht gezeigte Wasserzufuhr anzuschliessen ist. Konzentrisch zum Wasserraum 16 befindet sich ein weiterer Wasserraum 17. Mittels einer Taste 7 kann der Wasserzulaufkanal 15 wahlweise mit dem Wasserraum 16 oder dem Wasserraum 17 verbunden werden. In der gezeigten Position ist der Wasserzulaufkanal 15 mit dem Wasserraum 17 verbunden. Wird die Taste 17 in der gezeigten Position gegen die rückwirkende Kraft einer Druckfeder 8 nach unten bewegt, so bewegt sich ein an einem mit einer Lippendichtung 13 abgedichteter Stössel 9 angebrachtes Schliessorgan 10 von einem oberen Ventilsitz 19 zu einem unteren Ventilsitz 11 und schliesst damit den Wasserraum 17 gegen den Wasserzulaufkanal 15 ab. Der Zugang zu einer an sich gut bekannten und hier deshalb nicht weiter erläuterten Düse 12 ist unterbrochen und der Wasserzulaufkanal 15 mit dem Wasserraum 16 verbunden. Das Wasser strömt nunmehr vom Wasserraum 16 zu einem gummielastischen Düseneinsatz 2, der in einer Ringnut 4 des Brausebodens 6 befestigt ist. Die Befestigung erfolgt vorzugsweise durch einen polymeren Verbund. Wird die Taste 7 losgelassen, so bewegt die Druckfeder 8 das Dichtungsorgan 10 wieder in die in Figur 1 gezeigte Position, in welcher das Wasser als Strahl durch die Düse 12 ausströmt. Denkbar ist jedoch auch eine Ausführung, bei welcher die Taste 7 in der unteren Position arretierbar ist, oder durch Wasserdruck grösser als 0,5 bar gehalten wird.1 shows a shower head 10 with a housing 1, the from a bell-shaped housing part 5 and a shower base 6 exists. Both parts are screwed together and through Seals 14 to form a water space 16 against each other sealed. The water space 16 is in connection with a water inlet channel 15, in a known manner to a not shown here Water supply is to be connected. Concentric to the water space 16 there is another water space 17. By means of a Button 7 can be the water inlet channel 15 optionally with the water room 16 or the water space 17 are connected. In the shown Position is the water inlet channel 15 with the water space 17 connected. If the button 17 in the position shown against the retroactive force of a compression spring 8 moves down, so moved one on a sealed with a lip seal 13 Plunger 9 attached closing member 10 from an upper valve seat 19 to a lower valve seat 11 and thus closes the Water space 17 against the water inlet channel 15. Access to one well known per se and therefore not further explained here Nozzle 12 is interrupted and the water inlet channel 15 with connected to the water space 16. The water now flows from the water space 16 to a rubber-elastic nozzle insert 2, which in a Ring groove 4 of the shower base 6 is attached. The attachment is preferably done by a polymeric composite. Will the button 7 released, the compression spring 8 moves the sealing member 10 again in the position shown in Figure 1, in which the Water flows out as a jet through the nozzle 12. However, it is conceivable also a version in which the button 7 in the lower Position can be locked, or by water pressure greater than 0.5 bar is kept.

Der ringförmige Zwischeneinsatz 2 besteht aus einem gummielastischen Material vorzugsweise mit einer Härte im Bereich von 40 bis 80 Shore A vorzugsweise etwa 50 Shore A. Wie die Figur 2 zeigt, weist der Einsatz 2 konzentrisch zwei Reihen A, B mit mehreren Wasseraustrittsöffnungen 3 auf. Der Einsatz 2 ist gemäss Figur 1 von der Bodenunterseite 6a des Brausebodens 6 abstehend und kann in radialer Richtung nach innen und nach aussen gewalkt werden. Hierbei werden Kalkablagerungen in den Wasseraustrittsöffnungen 3 abgebrochen. Die Basis 2a des Düseneinsatzes 2 ist hierbei in der Ringnut 4 des Brausebodens 6 verankert. Der Düseneinsatz 2 ist vorzugsweise am Brauseboden 6a angespritzt und damit fest mit diesem verbunden. Dies ermöglicht eine besonders kostengünstige Herstellung.The annular intermediate insert 2 consists of a rubber-elastic Material preferably with a hardness in the range of 40 to 80 Shore A, preferably about 50 Shore A. Like FIG. 2 shows, the insert 2 concentrically has two rows A, B. several water outlet openings 3. The insert 2 is according to 1 protruding from the bottom underside 6a of the shower base 6 and can radially inwards and outwards be walked. Here there are limescale deposits in the water outlet openings 3 canceled. The base 2a of the nozzle insert 2 is anchored in the annular groove 4 of the shower base 6. The nozzle insert 2 is preferably molded onto the shower base 6a and thus firmly connected to it. This enables one particularly inexpensive manufacture.

Die Figur 3 zeigt einen Düseneinsatz, bei dem konzentrisch drei Reihen A, B, C mit Wasseraustrittsöffnungen 3 angeordnet sind. Jeweils zwischen zwei benachbarten Reihen A, B und B, C ist eine Nut oder Rille 21 eingearbeitet, die ein Walken der benachbarten Reihen ermöglicht. Auch dieser Düseneinsatz 20 ist in einer Nut des Brausebodens 6 angespritzt. In der gezeigten Ausführung sind drei Reihen A, B, C vorgesehen. Denkbar sind jedoch auch Ausführungen mit zwei Reihen oder mehr als drei Reihen. Dieser Düseneinsatz 20 eignet sich insbesondere für eine Badebrause.Figure 3 shows a nozzle insert in which three concentrically Rows A, B, C with water outlet openings 3 are arranged. Between two adjacent rows A, B and B, C is one Groove or groove 21 incorporated, which is a fulling of the neighboring Rows allowed. This nozzle insert 20 is also in a groove molded onto the shower base 6. In the version shown are three rows A, B, C are provided. However, versions are also conceivable with two rows or more than three rows. This nozzle insert 20 is particularly suitable for a shower head.

Claims (7)

  1. Shower head for a hand shower or a fixed shower, having a housing (1), which can be connected to a water supply, and having a nozzle insert (2, 20) made of soft/resilient material, which is fitted on the housing (1), has a plurality of water-outlet openings (3) and can be flexed mechanically in order to dislodge lime deposits, characterized in that the nozzle insert (2, 20) is designed as an annular slide guide which is injection-moulded on the housing (1) at a base (2a) and is designed such that it is essentially uninterrupted in the circumferential direction and projects from the housing (1).
  2. Shower head according to Claim 1, characterized in that the nozzle insert (2, 20) has a hardness in the range of from 40 to 80 Shore A, preferably of approximately 50 Shore A.
  3. Shower head according to Claim 1 or 2, characterized in that, on an end side, the nozzle insert (20) has a peripheral channel (21) between two adjacent rows of water-outlet openings (3).
  4. Shower head according to Claim 3, characterized in that the nozzle insert (20) has two or more circular rows of water-outlet openings (3) and one or more channels (21) between these rows.
  5. Shower head according to one of Claims 1 to 4, characterized in that, coaxially with this insert (2, 20) , it has a nozzle (12) for forming a water jet, and in that it has a button (7) for changing over between spray operation and jet operation.
  6. Shower head according to Claim 1, characterized in that the slide guide is fastened in a groove (4), preferably by a polymer bond.
  7. Shower head according to Claim 1, characterized in that the slide guide has two peripheral rows of water-outlet openings (3).
EP98810332A 1997-06-20 1998-04-16 Shower head Expired - Lifetime EP0885660B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH151397 1997-06-20
CH151397 1997-06-20
CH1513/97 1997-06-20

Publications (2)

Publication Number Publication Date
EP0885660A1 EP0885660A1 (en) 1998-12-23
EP0885660B1 true EP0885660B1 (en) 2004-03-17

Family

ID=4212200

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810332A Expired - Lifetime EP0885660B1 (en) 1997-06-20 1998-04-16 Shower head

Country Status (4)

Country Link
EP (1) EP0885660B1 (en)
AT (1) ATE261780T1 (en)
DE (1) DE59810970D1 (en)
ES (1) ES2218794T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT248221Y1 (en) 1999-03-22 2002-12-16 Amfag Spa OUTLET DISK OF THE WATER JET IN THE KITCHEN SHOWER
CN201618625U (en) 2010-03-02 2010-11-03 厦门松霖科技有限公司 Water-saving shower head with button
CN102755935B (en) * 2010-03-02 2014-10-15 厦门松霖科技有限公司 Water saving sprinkler with press button
CN102205284B (en) * 2010-12-17 2013-04-24 厦门松霖科技有限公司 Dual-sided knob switching shower head

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9303986U1 (en) * 1992-11-04 1993-08-12 Friedrich Grohe AG & Co. KG, 58675 Hemer Shower head
AT402164B (en) * 1992-11-04 1997-02-25 Ideal Standard SHOWER HEAD
AU2785695A (en) * 1994-06-30 1996-01-25 Johs. Tandrup Metalvarefabrik Aps A shower head and a hand shower comprising a shower head
DE4447115C2 (en) * 1994-12-29 1998-11-19 Hansa Metallwerke Ag Shower head, especially for a hand shower

Also Published As

Publication number Publication date
DE59810970D1 (en) 2004-04-22
ES2218794T3 (en) 2004-11-16
EP0885660A1 (en) 1998-12-23
ATE261780T1 (en) 2004-04-15

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