EP1020571A2 - Article sanitaire, en particulier une pomme de douche, avec un dispositif de commutation pour influencer un débit de fluide - Google Patents

Article sanitaire, en particulier une pomme de douche, avec un dispositif de commutation pour influencer un débit de fluide Download PDF

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Publication number
EP1020571A2
EP1020571A2 EP00100527A EP00100527A EP1020571A2 EP 1020571 A2 EP1020571 A2 EP 1020571A2 EP 00100527 A EP00100527 A EP 00100527A EP 00100527 A EP00100527 A EP 00100527A EP 1020571 A2 EP1020571 A2 EP 1020571A2
Authority
EP
European Patent Office
Prior art keywords
sleeve
section
article according
sanitary article
switching device
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
EP00100527A
Other languages
German (de)
English (en)
Other versions
EP1020571B1 (fr
EP1020571A3 (fr
Inventor
Franz Schorn
Gerd Blessing
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
Original Assignee
Hansgrohe SE
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 Hansgrohe SE filed Critical Hansgrohe SE
Publication of EP1020571A2 publication Critical patent/EP1020571A2/fr
Publication of EP1020571A3 publication Critical patent/EP1020571A3/fr
Application granted granted Critical
Publication of EP1020571B1 publication Critical patent/EP1020571B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/04Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408Water installations especially for showers
    • E03C1/0409Shower handles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/04Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425Spray 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/12Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B05B7/1209Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/08Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084Jet regulators with aerating means

Definitions

  • the invention relates to a sanitary article, in particular a hand shower, with a switching device for influencing a fluid flow.
  • Permanent facilities of this type are, for example in so-called water jet aerators or jet regulators, which are attached to the outlet end of taps can.
  • Air suction devices are also known for overhead showers, such as those in U.S. Patents 5,111,994 and 5 154 355 described overhead showers.
  • the patent specification CH-A 473 573 shows a hand shower in which a water jet pump with a device for injection additional substances in the flowing liquid like this is combined that both devices turn on or can be switched off.
  • a sliding water supply line that is similar to a Venturi tube Has a constriction into which an injection line opens, which with a storage room for a detergent in Can be connected.
  • the sliding water supply forms the pump jet opening with its outlet end. It is in a cylindrical channel of the handle slidably guided in the area of the pump jet opening has radial air supply openings through Optional axial displacement of the sliding water supply can be covered or released.
  • a Position with approved air inlets is the Injection channel in connection with the detergent supply, whereby detergent is sucked in in the area of the constriction becomes.
  • the downstream water jet pump Air supplied for foam formation In the area of the downstream water jet pump Air supplied for foam formation.
  • the hand shower known from CH-A 686 409 has a handle a water supply line with a pump jet opening Flow restrictor nozzle that is expanding in a Pump chamber opens, which is followed by a conically expanded pressure build-up and mixing chamber. In the pump room also opens an air supply line coming from outside, whose inlet opening on the underside of the handle per Can be closed by hand or by means of a slide.
  • the Hand shower should have one despite reduced water consumption form strong and sparkling water-air jet, whose water flow rate regardless of for example by a slider adjustable amount of air supplied relative should stay the same.
  • the invention has for its object a sanitary object, especially a hand shower with a switching device to create that results in improved use.
  • the invention proposes a switching device with the features of claim 1.
  • a sanitary object according to the invention is characterized in that one between liquid inlet and liquid outlet the switching cross-section formed passage for the liquid when the air intake device is switched off is expandable. So it can be switched on Water jet pump or air intake a smaller total cross section be set than when the Air intake device. This can in the suction position a water saving effect can be achieved.
  • the compared to the switch-off position smaller passage cross section can also a flow acceleration of the flowing fluid be used that have a strong pumping or suction effect enables. This is on the exhaust side in the intake position a very mixed with air, soft to the touch Liquid flow can be generated.
  • the air intake device is switched off Larger passage cross-section available, so that on the outlet side an essentially air-free, strong current can be delivered which can be used for massage purposes, for example.
  • the ratio of large to small passage cross section can amount to more than 1.1 or 1.2, in particular between approximately 1.3 and about 3, for example between 2 and 3.
  • the flow paths and passage cross sections are preferably dimensioned so that when the water jet pump is switched on, less than about 60% to 80%, for example between 1/3 and 2/3, in particular only about half of that when the water jet pump is switched off flowing water flows.
  • the switching device is special upstream of jet formers and in particular of any Switching devices arranged for the spray type.
  • the Switching device can be the only switching device of one Be a sanitary object or in addition to other changeover devices, for example in the shower head, whereby additional possible combinations are obtained.
  • the passage cross section is the preferably circular pump jet opening smaller than the passage cross section of the preferably also circular liquid inlet, being preferably less than 30%, in particular between approx. 5% and approx. 20% of the passage cross section of the liquid inlet is.
  • This ensures that the water supply is watertight between the liquid inlet and the pump jet opening strong acceleration of the flowing fluid causes which even at low inlet pressure at high speed emerges from the pump jet opening so that a strong pumping action even with a moderately open supply line is achieved.
  • a flow calming device to even out the the flow entering the pump jet opening is provided. This can be several, preferably upstream of the pump jet opening have crosswise arranged axial guide strips, over a suitable axial length of, for example laminar flow for several millimeters to centimeters promote and counteract eddy formation.
  • the switching device so that the shutdown of the water jet pump is delayed for expansion of the passage cross section. Preferably done the shutdown of air access and expansion of the passage cross section at the same time.
  • at Switching off the suction device at least one additional further passage channel provided for pump jet opening be openable. This can have a larger passage cross section than the pump jet opening, which may then be closed can be.
  • both the pump jet opening, and also the further passage channel can be flowed through, so that the Passage cross section of the pump jet opening remains usable.
  • cross-sectional solutions are particularly compact possible.
  • the at least one further passage channel can be eccentric to the pump jet opening or laterally offset to this his.
  • a particularly effective use of limited Cross sections, for example in the handle of a hand shower, is possible in a preferred embodiment that the further passage channel is essentially concentric is arranged with the pump jet opening. He can in particular formed as an annular channel surrounding the pump jet opening his.
  • the boundary walls of the individual passage cross sections can be in a rigid arrangement to one another, where appropriate separate lines can lead to the openings.
  • the opening or closing passage cross sections can be done by any Type of suitable closing elements, such as slides, flaps or the like, be performed.
  • the switching device has a liquid-carrying first sleeve with a separate second sleeve can be telescopically arranged, in particular plugged together is that between the sleeves at least in one Axial section a usable as a further passage cross section, axially flowable annular channel or intermediate space is formed is.
  • the further passage channel can in particular axial relative displacement of the first and the second Be openable or lockable sleeve.
  • a telescopic first sleeve arranged within a second sleeve a radial flow cross section with at least one radial has through-flow through which the interior the first sleeve with one between the first sleeve and the second Sleeve-formed space or annular space is connectable.
  • This makes it possible to use the only liquid inlet To provide switching device on the first sleeve, for example an external thread for connecting a hose may have. Then does not pass through the first sleeve only the flow to the pump jet opening, but also the liquid line into the one enclosing the first sleeve Interspace that the other with the air supply switched off Passage cross section forms.
  • the air supply duct can be any suitable, if necessary branched or multi-channel cavity arrangement may be formed an interruptible intake of air into the pump room enables. He can by separate line sections and / or through suitably spaced components of the switching device and / or by means provided within massive components Channel walls may be limited and is preferably so aerodynamically dimensioned that unintended noise largely prevented during air intake becomes.
  • the locking can be done by any suitable locking device, for example, a slide can be reached. At a preferred embodiment is a simultaneous opening of the further passage cross section and closing the air supply duct thereby allowing this by relative displacement two telescopically arranged sleeves can be opened or is lockable.
  • the air supply duct preferably has a first designed as a sleeve wall opening of a sleeve Channel section that is relative to one as a sleeve wall opening the other sleeve formed second channel section between Positions with and without cross-section overlap Channel sections is movable.
  • a first designed as a sleeve wall opening of a sleeve Channel section that is relative to one as a sleeve wall opening the other sleeve formed second channel section between Positions with and without cross-section overlap Channel sections is movable.
  • One can preferably be in at least one of the sleeve wall openings rubber-elastic valve body used, which in Locked position a seal of the shifted against each other Causes sleeves in the wall opening area and in the open position forms a valve seated in the intake duct.
  • This can preferably open automatically in the suction direction, in the opposite direction, however, close automatically to one unwanted water leakage through the air supply duct reliably to prevent.
  • a vacuum in the pump room or in the Air supply duct with the water jet pump switched on can be used advantageously for other purposes.
  • at least one that can be activated by negative pressure assigned acoustic signal generator for example like this can be formed by flowing through under vacuum Air causes one or more slats to vibrate audibly become.
  • acoustic signal generators can for all those working according to the water jet pump principle Generic sanitary objects provided with air intake devices, in particular with hand showers.
  • the sanitary article in particular if it is designed as a shower, with a cleanable Filter.
  • the filter is preferably radial sleeve-shaped flowable from the inside or from the outside Filter formed, which is flowed radially and on his downstream end is releasably closed.
  • the filter is axial for cleaning when the cap is opened designed to flow through.
  • the filter is preferred for cleaning detachable from the sanitary object.
  • Especially the axial closure is advantageous when detaching the Filters on the sanitary part remaining so that the axial closure automatically when removing the filter from the Filter removed and this is opened axially.
  • the filter design is not only advantageous for the sanitary object described here, but can also be used with other sanitary items, in particular showers, such as hand showers, may be provided.
  • Fig. 1 shows the rear, hose-facing part of a shower handle 1, the has a hollow interior in which a preferred embodiment a switching device 2 according to the invention used is.
  • the handle has a hose facing rear handle section 3 and one not shown shower head facing, integrally formed with this front handle section 4.
  • the made of impact-resistant, well chrome-plated Plastic (ABS) injection molded housing parts 3, 4 have mutually facing, approximately 45 ° beveled, complementary shaped end faces (Fig. 6) which when plugged together Handle a butt joint diagonally around this limit.
  • ABS impact-resistant, well chrome-plated Plastic
  • the switching device 2 consists essentially of three telescopically insertable, sleeve-like plastic components 10, 11, 12, which are shown in FIGS. 3 to 5 in perspective are shown.
  • the one shown particularly in FIG. formed as a hose connection sleeve first sleeve 10 on the inlet side the hose connection thread 5 and the liquid inlet 6, is from the hose side up to the stop a collar 13 to a stop shoulder 14 of the Handle section 3 inserted into this and sits in the inserted Condition in this in a rotationally fixed manner, since an axial web 15 into a corresponding axial groove in the handle section 3 intervenes.
  • the outer diameter of the first sleeve 10 is also reduced gradually, so that cylindrical sections differ Outside diameter with the formation of radial or oblique-radial steps follow one another.
  • Outer section is under the formation of a radial stop shoulder 21 a cylindrical sealing section 22 is formed, in which a circumferential ring groove for receiving a ring cord seal 23 is provided.
  • Downstream includes in Outer diameter smaller radial flow section serving as a filter 24, in which several narrow, axially spaced through openings formed as radial slots 25 are provided.
  • the first sleeve is 10 telescopically inserted into a second sleeve 11 (FIG. 4), that the two sleeves in the area of the sealing section 22 sealed axially displaceable are while in the area of the radially flowable openings 25, 26 of the inner sleeve 10 between this and the outer, an intermediate space or annular space 30 remains in the second sleeve.
  • the second sleeve 11 which is designed as an axial slide, has downstream as the outer boundary of the annular space 30 or as Guide and sealing surface serving cylindrical section 31 one with the formation of an inclined surface 32 to the inside projecting collar 33, which has a cylindrical inner surface 34 has that with the ring cord seal 27 of the first sleeve cooperates as a sealing surface that that shown in Fig. 1 Slider position of the annular space 30 in the axial direction or flow direction of the water is sealed while it is axially open in the position shown in FIG. 2.
  • On the movable Sleeve 35 or the slider 11 can be in the cylindrical Outlet section 20 of the first sleeve without side play be insertable guide body 60 attached to his upstream free end a piston like in the Outlet channel 20 insertable punch 61 and several, for example four, axially extending webs that form the cylindrical guide channel in four sub-channels accordingly divide smaller diameter.
  • a piston like in the Outlet channel 20 insertable punch 61 and several, for example four, axially extending webs that form the cylindrical guide channel in four sub-channels accordingly divide smaller diameter.
  • the circular outlet opening 38 of the sleeve 35 opens into one through the cylindrical wall 39 of the second sleeve 11 limited air intake space 40, the liquid outlet 7th has the same cross section as the liquid inlet 6 of the Sleeve 10. Near the liquid outlet 7 is on the Outside of the cylinder wall 39 a circumferential groove for receiving an annular cord seal 41 provided with a cylindrical inner surface of a third sleeve 12 as a sealing surface cooperates. Below the central sleeve 35 is a radially continuous, cylindrical sleeve wall opening 42 trained, into which a cup-shaped, rubber-elastic valve body 43 is used in the form of a lip seal.
  • an axial Spring tongue 44 formed which is a radially protruding, T-shaped Actuator 45 carries that when inserted Switching device in the region of a recessed grip 46 of the housing wall 3, 4 protrudes from the underside of the handle.
  • the third sleeve 12, which can be clearly seen in FIG. 5, is the outer one Guide sleeve for the slide 11 formed.
  • she has a substantially cylindrical sleeve portion 50, the Inner diameter is the outer diameter of the second sleeve is adapted and the outer contour is dimensioned so that the sleeve essentially free of play in the front housing section 4 of the handle housing is insertable.
  • At the Bottom of the sleeve section is one for cooperation provided with the wall opening 42 of the slide, radially through sleeve wall opening 58 is formed.
  • Resilient axial holding arms 51 grip laterally at the water channel 8, where provided Snap the retaining projections into the recesses 52 in the holding arms.
  • On the holding arms is at a distance from the cylinder section 50 a push button 55 connecting the holding arms is provided, the when inserting the third sleeve 12 in the handle portion 4 in a corresponding recess 57 on the Top of the handle part 4 snaps into place around the third sleeve 12 captively in the front handle part 4.
  • the hand shower can guide tube 12 be inserted into the front handle section 4 until the push button 55 snaps into the upper housing opening 57.
  • the first sleeve 10 is from the hose connection side in the inserted and held rear handle section 3.
  • the slide 11 can be inserted into the third sleeve 12 become.
  • the handle parts can be pushed open the slide sleeve 11 on the hose connecting pipe 10 are pushed axially onto each other until the holding arms 53 engage the first sleeve 10 and the sleeve parts 10 and 12 the switching device or parts 3 and 4 of the handle are axially fixed to each other.
  • Fig. 1 In the throttle position shown in Fig. 1 is the slide or dimmer 11 up to the shoulder 21 in the direction Hose connection end withdrawn.
  • the Ring cord seal 27 in sealing engagement with the cylinder surface 34 of the collar 33 and seals the annular space 30 axially.
  • the water flowing in through the liquid inlet 6 flows under acceleration due to the narrowing of the diameter in the area 17 in the area of the radial passage openings 25.
  • the pump chamber 40 is in the slide position shown and the sleeve wall opening 42 of the slide aligned, somewhat smaller sleeve wall opening 58 of the guide sleeve 12 and an axial channel, not shown, between Guide sleeve and housing wall 4 with the area of the outdoors leading opening for the actuating lever 45 connected.
  • air supply duct formed in this way air becomes over the valve 43 in the open position in the pump chamber 40 sucked in, mixes there and further downstream with the injected water and occurs in the area of shower head together with the water in the form of a sparkling, soft-feeling water jet.
  • the throttling causes that in throttling position typically about 9 to 10 liters of water per minute through the Flow switching device.
  • the slide device 11 can with the water supply switched on simply because of the throttle position with air supply (Fig. 1) switched to the unthrottled open position (Fig. 2) be that the actuator 45 slightly after is pressed inside.
  • the catch 47 is disengaged with the housing wall 4 and the slider 11 can under Influence of the water pressure automatically slide forward until the lever 45 strikes the housing wall 4.
  • the total passage cross section can be dimensioned that at usual water pressures about 20 liters per minute the switching device flow. So it stands on the exhaust side Unit of time approximately twice, essentially air-free water available as in the throttle position shown in Fig. 1.
  • air duct noise reduction measures can be provided, for example by filling a section with an open cell Foam.
  • the one created according to the water jet principle Vacuum can also be used to flow through Water liquid additives such as soaps or other cleaning agents. Use too such switching devices on hand showers is not imperative. So also permanently installed showers or Taps on hand basins or the like with the invention Switching devices can be equipped.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)
  • Massaging Devices (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
EP00100527A 1999-01-18 2000-01-12 Article sanitaire, en particulier une pomme de douche, avec un dispositif de commutation pour influencer un débit de fluide Expired - Lifetime EP1020571B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19901704 1999-01-18
DE19901704A DE19901704A1 (de) 1999-01-18 1999-01-18 Sanitärgegenstand, insbesondere Handbrause, mit einer Umschalteinrichtung zur Beeinflussung einer Flüssigkeitsströmung
US09/483,442 US6357675B1 (en) 1999-01-18 2000-01-14 Sanitary article, particularly hand-operated shower, with a changeover device for controlling a liquid flow

Publications (3)

Publication Number Publication Date
EP1020571A2 true EP1020571A2 (fr) 2000-07-19
EP1020571A3 EP1020571A3 (fr) 2001-09-05
EP1020571B1 EP1020571B1 (fr) 2005-08-10

Family

ID=26051366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100527A Expired - Lifetime EP1020571B1 (fr) 1999-01-18 2000-01-12 Article sanitaire, en particulier une pomme de douche, avec un dispositif de commutation pour influencer un débit de fluide

Country Status (6)

Country Link
US (1) US6357675B1 (fr)
EP (1) EP1020571B1 (fr)
AT (1) ATE301745T1 (fr)
DE (2) DE19901704A1 (fr)
DK (1) DK1020571T3 (fr)
ES (1) ES2246756T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2578319A1 (fr) 2011-10-06 2013-04-10 Grohe AG Pomme de douche
EP2359726A4 (fr) * 2008-12-17 2013-07-17 Toto Ltd Dispositif de douche
CN113544347A (zh) * 2019-03-08 2021-10-22 纽珀有限公司 用于产生加气的液体射流的射流调节器

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DE20207365U1 (de) 2002-05-08 2002-08-01 Dröber, Sebastian, 22587 Hamburg Heiß-Kalt-Dusche
US20050258129A1 (en) * 2004-05-21 2005-11-24 Peter Model Tamper-proof closure/seal for containers, particularly wine bottles
DE102004049983A1 (de) * 2004-10-08 2006-04-13 Hansgrohe Ag Handbrause
DE102005003404B3 (de) 2005-01-24 2006-09-07 Neoperl Gmbh Sanitäre Auslaufeinheit
DE102006021801B4 (de) * 2006-05-09 2015-11-19 Neoperl Gmbh Sanitäre Auslaufeinheit
US9061294B2 (en) 2008-02-12 2015-06-23 Kohler Co. Joint connector
US20100224708A1 (en) * 2009-03-03 2010-09-09 Robert Boehnlein Shower head
DE102009011740B4 (de) 2009-03-09 2013-01-17 Grohe Ag Handbrause
DE102009054038A1 (de) * 2009-11-20 2011-05-26 Neoperl Gmbh Wasserführender Leitungsabschnitt mit einem Belüftungskanal
DE102013002235B4 (de) 2013-02-11 2020-01-16 Grohe Ag Luftansaugvorrichtung für eine Sanitärbrause
US9550195B1 (en) * 2015-09-16 2017-01-24 Xiamen Solex High-Tech Industries Co., Ltd. Shower head
DE102016011168B4 (de) * 2016-09-16 2026-02-26 Neoperl Gmbh Sanitäre Einheit
CN108799550B (zh) * 2017-05-04 2025-01-28 厦门松霖科技股份有限公司 一种止水切换阀芯和花洒
DE102021127212A1 (de) * 2021-10-20 2023-04-20 Neoperl Gmbh Sanitäre Funktionseinheit

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Publication number Priority date Publication date Assignee Title
CH473573A (de) 1967-05-09 1969-06-15 Beiersdorf Ag Duschenkörper mit Duschenkopf
US5111994A (en) 1987-07-30 1992-05-12 Emhart Inc. Flow booster apparatus
US5154355A (en) 1987-07-30 1992-10-13 Emhart Inc. Flow booster apparatus
CH686409A5 (de) 1992-12-11 1996-03-29 Jorg Mafli Brausekopf.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2359726A4 (fr) * 2008-12-17 2013-07-17 Toto Ltd Dispositif de douche
EP2578319A1 (fr) 2011-10-06 2013-04-10 Grohe AG Pomme de douche
DE102011114945A1 (de) 2011-10-06 2013-04-11 Grohe Ag Brausekopf
CN113544347A (zh) * 2019-03-08 2021-10-22 纽珀有限公司 用于产生加气的液体射流的射流调节器
CN113544347B (zh) * 2019-03-08 2023-09-01 纽珀有限公司 用于产生加气的液体射流的射流调节器

Also Published As

Publication number Publication date
DK1020571T3 (da) 2005-11-14
ES2246756T3 (es) 2006-03-01
EP1020571B1 (fr) 2005-08-10
US6357675B1 (en) 2002-03-19
EP1020571A3 (fr) 2001-09-05
DE19901704A1 (de) 2000-08-03
ATE301745T1 (de) 2005-08-15
DE50010893D1 (de) 2005-09-15

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