EP1817111B1 - Shower head for a sanitary shower - Google Patents

Shower head for a sanitary shower Download PDF

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Publication number
EP1817111B1
EP1817111B1 EP05811550A EP05811550A EP1817111B1 EP 1817111 B1 EP1817111 B1 EP 1817111B1 EP 05811550 A EP05811550 A EP 05811550A EP 05811550 A EP05811550 A EP 05811550A EP 1817111 B1 EP1817111 B1 EP 1817111B1
Authority
EP
European Patent Office
Prior art keywords
showerhead
jet disk
jet
foregoing
nozzles
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.)
Not-in-force
Application number
EP05811550A
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German (de)
French (fr)
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EP1817111A1 (en
Inventor
Klaus Butzke
Franz Schorn
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.)
Hansgrohe SE
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Hansgrohe SE
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Filing date
Publication date
Application filed by Hansgrohe SE filed Critical Hansgrohe SE
Publication of EP1817111A1 publication Critical patent/EP1817111A1/en
Application granted granted Critical
Publication of EP1817111B1 publication Critical patent/EP1817111B1/en
Not-in-force 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
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid without any source of compressed gas, e.g. the air being sucked by the pressurised liquid
    • 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
    • B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor

Definitions

  • jet outlet elements from which a ventilated jet is output, are now practically distributed over the entire jet disk.
  • a beam field which is very large in cross-section is produced in which ventilated jets are present everywhere. This creates a very pleasant feeling on the skin of the user.

Abstract

The invention relates to a shower head that can be used, for example, as a hand-held shower attachment. The shower head contains an aerating device that is capable of supplying all jet outlet elements ( 16 ) of the jet disc ( 18 ) with aerated water. The air required for this is aspirated at a number of locations and mixed with the water with the aid of a number of nozzles ( 14 ) inside the shower head. The aerated water already present inside at least one chamber ( 17 ) leaves this chamber and then passes through the jet outlet elements ( 16 ) into the open.

Description

Die Erfindung betrifft einen Brausekopf für eine Sanitärbrause. Es ist bekannt, dass man mit Sanitärbrausen unterschiedliche Arten von Strahlen abgeben kann. Besonders beliebt sind belüftete Strahlen, bei denen also dem aus einem Strahlaustrittselement austretenden Wasserstrahl Luftblasen beigefügt sind.The invention relates to a shower head for a sanitary shower. It is known that one can give with sanitary showers different types of rays. Particularly popular are ventilated jets, in which therefore the water jet emerging from a jet outlet element are accompanied by air bubbles.

Üblicherweise gibt es bei den bekannten Brauseköpfen die Möglichkeit, solche belüftete Strahlen zu erzeugen. Dabei sind für die belüfteten Strahlen spezielle Strahlaustrittselemente vorgesehen, die sich normalerweise nur in einem Teil der Strahlscheibe befinden.Usually there is the possibility in the known shower heads to produce such aerated rays. In this case, special jet outlet elements are provided for the ventilated jets, which are normally only in a part of the jet disk.

Seit einiger Zeit sind Brauseköpfe bekannt, die einen relativ großen Durchmesser aufweisen und die sehr flach ausgebildet sind.For some time showerheads are known which have a relatively large diameter and which are very flat.

Ein solcher Brausekopf wird in Dokument WO 2004/052550 offenbart. Dieses Dokument offenbart der Gegenstand des ersten Teils des Anspruchs eins.Such a shower head is in document WO 2004/052550 disclosed. This document discloses the subject matter of the first part of claim one.

Der Erfindung liegt die Aufgabe zu Grunde, einen Brausekopf zu schaffen, mit dessen Hilfe dem Benutzer ein großflächiges angenehmes Duscherlebnis vermittelt werden kann.The invention is based on the object to provide a shower head, with the help of the user a large-scale pleasant shower experience can be taught.

Zur Lösung dieser Aufgabe schlägt die Erfindung einen Brausekopf mit den im Anspruch 1 genannten Merkmalen vor. Weiterbildungen der Erfindung sind Gegenstand von Unteransprüchen.To solve this problem, the invention proposes a shower head with the features mentioned in claim 1. Further developments of the invention are the subject of dependent claims.

Die Strahlaustrittselemente, aus denen ein belüfteter Strahl ausgegeben wird, sind also jetzt praktisch über die gesamte Strahlscheibe verteilt. Bei großflächigen Strahlscheiben wird also ein im Querschnitt sehr großes Strahlfeld erzeugt, in dem überall belüftete Strahlen vorhanden sind. Dies erzeugt auf der Haut des Benutzers ein sehr angenehmes Gefühl.The jet outlet elements, from which a ventilated jet is output, are now practically distributed over the entire jet disk. In the case of large-area jet disks, therefore, a beam field which is very large in cross-section is produced in which ventilated jets are present everywhere. This creates a very pleasant feeling on the skin of the user.

Zur Erzeugung dieses großen Strahlenfeldes ist es nicht unbedingt erforderlich, dass alle Strahlaustrittselemente in diese belüftete Strahlen abgeben.To generate this large radiation field, it is not absolutely necessary that all jet outlet elements emit into these ventilated jets.

Es ist ein Vorteil der Erfindung dass die Luftansaugöffnungen längs die Umfang der Strahlscheibe angeordnet sind. Dadurch wird die Strahlscheibe selbst in ihrem optischen Aussehen nicht beeinträchtigt oder beeinflusst.It is an advantage of the invention that the air intake openings are arranged along the circumference of the jet disk. As a result, the jet disk itself is not affected or influenced in its optical appearance.

Es kann in Weiterbildung aber auch vorgesehen sein, dass alle Strahlaustrittselemente der Strahlscheibe zur Abgabe von belüfteten Strahlen ausgebildet sind, gegebenenfalls mit Ausnahme eines zum Beispiel in der Mitte der Strahlscheibe angeordneten Bereichs, in dem gegebenenfalls andere Strahlen ausgegeben werden können.However, it can also be provided in a further development that all jet outlet elements of the jet disk are designed to deliver ventilated jets, if appropriate with the exception of a region arranged, for example, in the middle of the jet disk, in which other jets may optionally be dispensed.

In Weiterbildung der Erfindung kann vorgesehen sein, dass die Belüftungseinrichtung zur Belüftung mehrerer Strahlaustrittselemente gleichzeitig ausgebildet ist. Es braucht also nicht für jedes Strahlaustrittselement eine eigene Ansaugeinrichtung vorgesehen zu sein.In a further development of the invention it can be provided that the ventilation device is designed to ventilate a plurality of jet outlet elements simultaneously. It therefore does not need to be provided for each jet outlet element own suction device.

Um gerade bei großflächigen Strahlbrausen dafür sorgen zu können, dass die Belüftung aus allen Strahlaustrittselementen in gleicher Weise erfolgen kann, kann erfindungsgemäß die Belüftungseinrichtung derart ausgebildet sein, dass sie Luft an mehreren Stellen der Strahlscheibe und/oder des Brausekopfgehäuses ansaugt, die vorzugsweise über die Strahlscheibe oder das Brausekopfgehäuse verteilt angeordnet sind.In order to be able to ensure especially in large-scale jet showers that the ventilation of all jet outlet elements can be carried out in the same way, the ventilation device according to the invention can be designed such that it sucks air at several points of the jet disk and / or the shower head housing, preferably via the jet disk or the showerhead housing are arranged distributed.

Insbesondere können Strahlaustrittsöffnungen in der Weise angebracht werden, dass um den Umfang der Strahlscheibe herum Schlitze oder ein gegebenenfalls unterteilter Schlitz ausgebildet ist, der zum Ansaugen von Luft dient. Dieser Schlitz ist optisch praktisch nicht mehr wahrnehmbar und stört daher das Erscheinungsbild des Brausekopfs nicht.In particular, jet outlet openings can be arranged in such a way that around the circumference of the jet disk slots or an optionally divided slot is formed, which serves for the suction of air. This slot is visually virtually imperceptible and therefore does not disturb the appearance of the shower head.

Bei je besonders großen Strahlscheiben ist es auch möglich, in der Strahlscheibe selbst einzelne Luftansaugöffnungen anzuordnen, die dann als Designelemente verwendet werden können.With ever particularly large jet disks, it is also possible to arrange individual air intake openings in the jet disk itself, which can then be used as design elements.

Die Erfindung schlägt vor, die Belüftung des aus den Strahlaustrittselementen austretenden Wassers so zu gestalten, dass die eigentliche Belüftung innerhalb des Brausekopfs geschieht und dass das innerhalb des Brausekopfs belüftete Wasser von dort aus zu den Strahlaustrittselementen gelangt, wobei vorzugsweise aus einer oder mehreren Kammern jeweils mehrere Strahlaustrittselemente versorgt werden.The invention proposes to design the ventilation of the water emerging from the jet outlet elements such that the actual ventilation takes place inside the shower head and that the aerated within the shower head water from there comes to the jet outlet elements, preferably from one or more chambers each more Jet outlet elements are supplied.

Weitere Merkmale, Einzelheiten und Vorzüge der Erfindung ergeben sich aus den Ansprüchen und der Zusammenfassung, deren beider Wortlaut durch Bezugnahme zum Inhalt der Beschreibung gemacht wird, der folgenden Beschreibung einer bevorzugten Ausführungsform der Erfindung sowie anhand der Zeichnung. Hierbei zeigen:

Figur 1
einen Schnitt durch einen flachen Brausekopf;
Figur 2
in vergrößertem Maßstab einen Teilschnitt durch einen Brausekopf mit einem Belüftungselement.
Figur 3
in verkleinertem Maßstab eine Stirnansicht eines Brause- kopfs mit einer großflächigen Strahlscheibe.
Further features, details and advantages of the invention will become apparent from the claims and abstract, the wording of which is incorporated by reference into the content of the description, the following description of a preferred embodiment of the invention and from the drawing. Hereby show:
FIG. 1
a section through a flat shower head;
FIG. 2
on an enlarged scale, a partial section through a shower head with a ventilation element.
FIG. 3
on a reduced scale, an end view of a shower head with a large-area jet disk.

Der in Figur 1 im Schnitt dargestellte Brausekopf enthält ein Brausekopfgehäuse 1 mit einem Gehäuseboden 2 und einem zylindrischen Mantel 3. An der einen in Figur 1 rechten Seite ist an dem Brausekopfgehäuse 1 ein Handgriff 4 angesetzt, durch den Wasser durch einen Kanal 5 in das Innere des Brausekopfgehäuses 1 gelangen kann.The in FIG. 1 shown in section shower head includes a showerhead housing 1 with a housing bottom 2 and a cylindrical shell 3. At the one in FIG. 1 right side is attached to the shower head housing 1, a handle 4, can pass through the water through a channel 5 in the interior of the showerhead housing 1.

Der Gehäuseboden 2 weist auf seiner Innenseite einen zylindrischen Ansatz 6 mit einer Innenöffnung 7 auf, die dazu dient, die Strahlscheibe 8 an dem Brausekopfgehäuse 1 zu sichern.The housing bottom 2 has on its inside a cylindrical projection 6 with an inner opening 7, which serves to secure the jet disk 8 to the showerhead housing 1.

Auf dem Gehäuseboden 2 liegt ein verdrehbarer Bodenteil 9 auf, der einen Teil des Inneren des Brausekopfgehäuses 1 bildet. An den Bodenteil 9 schließt sich ein Deckelteil 10 an, das mit seinem mittleren Bereich 11 innerhalb einer Öffnung des Bodenteils 9 zu liegen kommt. In Richtung von dem Gehäuseboden 2 weg schließt sich dann eine Verteilerscheibe 12 an, die in ihrem mittleren Bereich Platz für eine Turbine 13 bildet.On the housing bottom 2 is a rotatable bottom part 9, which forms a part of the interior of the showerhead housing 1. At the bottom part 9, a lid part 10 connects, which comes to lie with its central region 11 within an opening of the bottom part 9. In the direction of the housing bottom 2 away then joins a distributor plate 12, which forms space for a turbine 13 in its central region.

Im Außenrand der Verteilerscheibe sind in einer Vertiefung Düsen 14 ausgebildet, die zur Belüftung des Wassers dienen.In the outer edge of the distributor disc nozzles 14 are formed in a depression, which serve to ventilate the water.

Das Innere des Brausekopfgehäuses wird dann nach außen hin durch die bereits erwähnte Strahlscheibe 8 abgeschlossen, die auf ihrer Innenseite einen Strahlscheibeneinsatz 15 mit Strahlaustrittselementen 16 enthält.The interior of the shower head housing is then closed to the outside by the already mentioned jet disk 8, which contains a jet disk insert 15 with jet outlet elements 16 on its inside.

Zwischen der Verteilerscheibe 12 und dem Strahlscheibeneinsatz 15 ist ein Innenraum bzw. eine Kammer 17 gebildet, aus der die Strahlaustrittselemente 16 einen Auslass ins Freie ermöglichen.Between the distributor disc 12 and the jet disc insert 15, an interior or a chamber 17 is formed, from which the jet outlet elements 16 allow an outlet to the outside.

Die Strahlscheibe 8 ist in dem dargestellten Ausführungsbeispiel so angebracht, dass sie mit ihrem Außenumfang 18 noch innerhalb des Zylindermantels 3 des Brausekopfgehäuses 1 zu liegen kommt. Zwischen der Innenseite des Außenmantels 3 des Brausekopfgehäuses 1 und dem Rand der Strahlscheibe 8 ist ein schmaler Spalt 18 offen, der um den gesamten Umfang der Strahlscheibe 8 herum läuft. Durch diesen Spalt kann Luft in das Innere des Brausekopfgehäuses 1 gelangen. Diese Luft gelangt in einen Raum 19 zwischen dem Deckelteil 10 und dem Bodenteil 9. Dieser Raum 19 ist beispielsweise links in Figur 1 dargestellt. Wenn nun das Wasser aus dem Raum zwischen dem Deckelteil 10 und der Verteilerscheibe 12 in die im äußeren Bereich angeordneten Düsen 14 strömt, so wird die Luft aus dem Raum durch die Kanäle 20 mit angesaugt. Dadurch wird das in der Kammer 17 vorhandene Wasser belüftet. Die Kammer 17 rings um den mittleren die Turbine enthaltenden Teil ist also mit Luftblasen versehen. Dieses mit Luftblasen versehene, also belüftete Wasser gelangt dann durch die Strahlaustrittselemente 16 ins Freie. Mit Ausnahme des mittleren Bereichs 21 der Strahlscheibe, wo andere Austrittsmöglichkeiten vorhanden sind, tritt also aus der großflächigen Strahlscheibe 8 nur belüftetes Wasser aus.The jet disk 8 is mounted in the illustrated embodiment so that it still comes to lie with its outer periphery 18 within the cylinder jacket 3 of the showerhead housing 1. Between the inside of the outer shell 3 of the showerhead housing 1 and the edge of the jet disk 8, a narrow gap 18 is open, which runs around the entire circumference of the jet disk 8 around. Through this gap, air can enter the interior of the showerhead housing 1. This air enters a space 19 between the lid part 10 and the Floor part 9. This space 19 is, for example, left in FIG. 1 shown. Now, when the water from the space between the lid member 10 and the distributor plate 12 flows into the arranged in the outer region of nozzles 14, the air is sucked out of the space through the channels 20 with. As a result, the existing water in the chamber 17 is vented. The chamber 17 around the middle part containing the turbine is thus provided with air bubbles. This provided with bubbles, so ventilated water then passes through the jet outlet elements 16 into the open. With the exception of the central region 21 of the jet disk, where other exit possibilities are present, therefore, only aerated water exits from the large-area jet disk 8.

Nun zu Figur 2. Diese zeigt in vergrößertem Maßstab einen Ausschnitt aus einem Brausekopf, bei dem diesmal die Luftansaugung aus der Fläche der Strahlscheibe erfolgt. Hier ist in der Strahlscheibe 8, die wieder eine Vielzahl von Strahlaustrittselementen 16 enthält, ein Belüftungselement 30 eingesetzt. Das Belüftungselement 30 weist einen verbreiterten Kopf 39 auf, der mit einem Flansch auf der Oberseite der Strahlscheibe 8 aufliegt. Das Belüftungselement 30 ist in eine Öffnung einer Zwischenscheibe 31 mit einem Gewindeansatz 32 eingeschraubt. Es enthält einen axialen Durchgang 33, der von der Außenseite des Belüftungselements 30 in das Innere führt. Der Durchgang 33 ist als Sackbohrung ausgebildet. Er endet also vor dem Gewindeansatz 32. Im Bereich der Außenseite ist der Durchgang 33 mit einer Schlüsselfläche versehen, so dass er eingeschraubt und ausgeschraubt werden kann. Von dem Durchgang 33 ausgehend führen einzelne radiale Kanäle 34 zu der Mantelfläche 35 des Belüftungselements 30. Diese radialen Kanäle 34 münden in einem Raum 36, in den das Wasser durch einzelne enge Bohrungen 37 gelangt. Das hier durch die Bohrungen 37 in den Raum 36 gelangende Wasser zieht Luft aus den Kanälen 34 an und reißt diese mit. Dadurch wird in dem Raum zwischen dem Zwischenelement 31 und der Strahlscheibe 8 ein Gemisch aus Luft und Wasser erzeugt, so dass aus den Strahlaustrittselementen 16 wiederum belüftetes Wasser austritt. Auch auf diese Weise kann dafür gesorgt werden, dass eine Vielzahl von Strahlaustrittselementen mit belüftetem Wasser versorgt wird, das in einem Raum innerhalb des Brausekopfgehäuses vorhanden ist.now to FIG. 2 , This shows on an enlarged scale a section of a shower head, in which this time the air suction takes place from the surface of the jet disk. Here, in the jet disk 8, which again contains a plurality of jet outlet elements 16, a ventilation element 30 is used. The ventilation element 30 has a widened head 39, which rests with a flange on the top of the jet disk 8. The ventilation element 30 is screwed into an opening of an intermediate disc 31 with a threaded projection 32. It includes an axial passage 33 leading from the outside of the venting member 30 to the interior. The passage 33 is formed as a blind bore. It thus ends before the threaded projection 32. In the area of the outside of the passage 33 is provided with a key surface so that it can be screwed in and unscrewed. Starting from the passage 33, individual radial channels 34 lead to the lateral surface 35 of the ventilation element 30. These radial channels 34 open into a space 36 into which the water passes through individual narrow bores 37. The here through the holes 37 in the space 36 reaching water draws air from the channels 34 and tears it with. As a result, in the space between the intermediate element 31 and the jet disk 8, a mixture of air and water generates, so that in turn aerated water exits from the jet outlet elements. Also in this way it can be ensured that a plurality of jet outlet elements is supplied with aerated water, which is present in a space within the showerhead housing.

Bei einer flächenmäßig sehr großen Strahlscheibe können mehrere derartige Belüftungselemente 30 vorhanden sein. Diese können auch zusätzlich zu einem die Strahlscheibe 8 umgebenden Spalt verwendet werden. Ein Beispiel für eine derartige großflächige Strahlscheibe 8 ist in der Figur 3 dargestellt. Hier sind in dem von den Strahlaustrittselementen 16 belegten Feld mehrere Belüftungselemente 30 vorhanden.In the case of an areally large jet disk, a plurality of such aeration elements 30 may be present. These can also be used in addition to a gap surrounding the jet disk 8. An example of such a large-area jet disk 8 is in the FIG. 3 shown. Here, a plurality of ventilation elements 30 are present in the field occupied by the jet outlet elements 16.

Claims (10)

  1. A showerhead for a shower bath, having a showerhead housing (1), a jet disk (8) having numerous nozzles (16) bounding the showerhead housing (1), a water conduit leading into the showerhead housing (1), and an aeration device for aerating water jets that is configured for aerating water reaching the nozzles (16) distributed over the entire surface of the jet disk (8), and characterized in that the showerhead has air-induction inlets arranged along the perimeter of the jet disk (8).
  2. A showerhead according to claim 1, wherein the aeration device is configured for aerating water reaching all nozzles (16).
  3. A showerhead according to claim 1 or claim 2, wherein the aeration device is configured for simultaneously aerating water reaching several nozzles.
  4. A showerhead according to any of the foregoing claims, wherein the aeration device is configured for inducting air at several locations, which are preferably distributed over the jet disk (8).
  5. A showerhead according to any of the foregoing claims, wherein the aeration device has a circumferential air-induction slot, which, if deemed desirable, may be split into several slots, arranged in the vicinity of the outer perimeter of the jet disk (8).
  6. A showerhead according to any of the foregoing claims, wherein individual air-induction inlets (33) are arranged on the jet disk (8).
  7. A showerhead according to any of the foregoing claims, wherein aeration takes place within the showerhead housing (1) and the aerated water does not reach the nozzles (16) until it has been aerated.
  8. A showerhead according to any of the foregoing claims, wherein at least one aeration component (30) is arranged within the jet disk (8).
  9. A showerhead according to any of the foregoing claims, wherein at least one aeration component (30) is inserted into the jet disk (8).
  10. A showerhead according to any of the foregoing claims, wherein at least one aeration component is arranged behind the jet disk (8).
EP05811550A 2004-12-01 2005-11-30 Shower head for a sanitary shower Not-in-force EP1817111B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004059328A DE102004059328A1 (en) 2004-12-01 2004-12-01 Shower head for a sanitary shower
PCT/EP2005/012757 WO2006058716A1 (en) 2004-12-01 2005-11-30 Shower head for a sanitary shower

Publications (2)

Publication Number Publication Date
EP1817111A1 EP1817111A1 (en) 2007-08-15
EP1817111B1 true EP1817111B1 (en) 2009-02-25

Family

ID=35623707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05811550A Not-in-force EP1817111B1 (en) 2004-12-01 2005-11-30 Shower head for a sanitary shower

Country Status (6)

Country Link
US (1) US20080011880A1 (en)
EP (1) EP1817111B1 (en)
CN (1) CN101068622A (en)
AT (1) ATE423624T1 (en)
DE (2) DE102004059328A1 (en)
WO (1) WO2006058716A1 (en)

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JP2001129438A (en) * 1999-11-04 2001-05-15 Ebara Hiroyuki Shower device
DE10103649B4 (en) * 2001-01-27 2007-12-06 Hansgrohe Ag shower head
ATE353250T1 (en) * 2002-12-12 2007-02-15 Hansgrohe Ag SHOWER WITH AIR SUPPLY
DE10313111B4 (en) * 2003-03-24 2009-10-08 Grohe Ag shower head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017203577A1 (en) 2016-03-07 2017-09-07 Hansgrohe Se Shower head for ventilated shower jet

Also Published As

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DE102004059328A1 (en) 2006-06-08
DE502005006717D1 (en) 2009-04-09
ATE423624T1 (en) 2009-03-15
EP1817111A1 (en) 2007-08-15
CN101068622A (en) 2007-11-07
WO2006058716A1 (en) 2006-06-08
US20080011880A1 (en) 2008-01-17

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