EP0787864A1 - Dispositif de sécurité sanitair - Google Patents

Dispositif de sécurité sanitair Download PDF

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Publication number
EP0787864A1
EP0787864A1 EP96120231A EP96120231A EP0787864A1 EP 0787864 A1 EP0787864 A1 EP 0787864A1 EP 96120231 A EP96120231 A EP 96120231A EP 96120231 A EP96120231 A EP 96120231A EP 0787864 A1 EP0787864 A1 EP 0787864A1
Authority
EP
European Patent Office
Prior art keywords
safety device
cartridge
cartridge housing
designed
backflow preventer
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
EP96120231A
Other languages
German (de)
English (en)
Other versions
EP0787864B1 (fr
Inventor
Holger Nehm
Christoph Weis
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.)
Neoperl GmbH
Original Assignee
Dieter Wildfang GmbH
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 Dieter Wildfang GmbH filed Critical Dieter Wildfang GmbH
Publication of EP0787864A1 publication Critical patent/EP0787864A1/fr
Application granted granted Critical
Publication of EP0787864B1 publication Critical patent/EP0787864B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C2001/026—Plumbing installations for fresh water with flow restricting devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7504—Removable valve head and seat unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve
    • Y10T137/7932—Valve stem extends through fixed spring abutment
    • Y10T137/7933—Yoke or cage-type support for valve stem

Definitions

  • the invention relates to a sanitary safety device which is interposed in a water pipe and can be inserted there in the area of a coupling or disconnection point on the mouth side.
  • a flexible water hose is already known from EP 0 566 813, the hose connection of which on the mouth side has a recess into which a flow limiter can be inserted. Since the known water hose already has a flow limiter in its hose connection, there is no need for such a limiter in the area of the water fittings and mixers, where it can influence the structure of these fittings and can lead to difficulties in their manufacture, assembly and use.
  • the known flow restrictor can also be used in connection with a backflow preventer.
  • the adaptation of the recess provided in the hose connection to the longitudinal extent of the flow restrictor on the one hand and of the backflow preventer on the other hand defines the functions of the known water hose.
  • the flow limiter and the backflow preventer have to be laboriously separate when installing the hose are inserted into the recess, which can be associated with incorrect assembly and a not inconsiderable additional effort.
  • the sanitary safety device has a flow rate regulator, flow limiter or similar throttle and at least one backflow preventer, which are combined in the sanitary safety device to form a unit designed as an insert cartridge.
  • a flow regulator or the like with at least one backflow preventer is combined to form a unit which is designed as an insert cartridge or insert cartridge and can be inserted in a simple manner and with little effort at the coupling or separation point of a water line on the mouth side. Incorrect assembly can be counteracted by an appropriate design of the cartridge housing and / or by an appropriate marking on its peripheral jacket.
  • the cartridge not only combines the advantages of the components summarized in it, namely the water saving effect of the flow regulator and the backflow stop of dirty service water into the mains, especially in the area of flexible water hoses, by means of the backflow preventer. Rather, the insert cartridge can also be used advantageously where there is a dominant water pressure on the fitting and in particular on a single-lever mixer as a result of strongly fluctuating water pressures in the hot or cold water area.
  • the backflow preventer prevents hot water from entering the cold water area of the supply network due to a dominant water pressure in the hot water area and causing further damage to the Part of non-heat-resistant plastic existing water consumer, such as a cistern, can lead.
  • An advantageous embodiment according to the invention provides that the backflow preventer of the cartridge in the flow direction of the flow rate controller and the flow rate controller may be preceded by the front screen. Since the flow regulator regulates high liter capacities, higher flow velocities often occur downstream of the flow regulator, which can be reduced in the flow-back check valve on the other hand in such a way that less noise-producing turbulence occurs here.
  • attachment screen is connected upstream of the flow regulator of the cartridge in the direction of flow of the non-return valve and the non-return valve.
  • the arrangement of the flow regulator and the backflow preventer in an insert cartridge allows only the flow regulator or only the one for certain areas of application To accommodate backflow preventer in the cartridge without, for example, another water hose or a different hose connection would have to be used.
  • the flow regulator, the backflow preventer and, if appropriate, also the front screen are designed as separate, possibly also interchangeable functional inserts which are arranged in a common cartridge housing.
  • the front screen it is also possible for it to be releasably connected or connected to the functional insert arranged in the cartridge housing on the inflow side.
  • a preferred embodiment according to the invention which is associated with low manufacturing outlay, provides that the inflow-side end face of the cartridge housing is designed as a front screen.
  • the front screen is integrally connected to the cartridge housing and can be produced together with this, for example, as a plastic injection molded part.
  • a support is provided on the inner wall of the cartridge housing for the flow rate regulator and / or the backflow preventer and, if appropriate, also for the front screen.
  • a preferred embodiment according to the invention provides that the supports are arranged offset from one another and are preferably designed as ring collars arranged offset from one another in steps. In particular when the supports are staggered in the direction of flow, the functional inserts are seated sufficiently firmly in the cartridge housing to withstand high water pressure.
  • the space remaining between the outer jacket of the cartridge housing on the one hand and the inner wall of the water pipe on the other hand at least one ring seal is sealed. This ring seal prevents a partial flow past the cartridge from flowing through the gap.
  • the ring seal can be designed, for example, as a sealing ring which is arranged and underlaid between a stop flange of the cartridge housing on the one hand and an orifice-side end face of a coupling part.
  • a sealing ring is provided as an annular seal on the downstream end region of the cartridge housing, the sealing ring being able to be arranged, for example, in an annular groove in the outer cartridge housing shell.
  • the cartridge housing can be designed with a housing diameter that also allows the cartridge to be installed in the existing corner valves or similar coupling points.
  • a coupling part in particular on the outflow side opposite the corner valve, has a recess designed as a cartridge receptacle on the mouth side.
  • an insertion stop is provided on the inflow-side end region of the cartridge housing, which acts on the muzzle-side end face of the coupling part.
  • the cartridge can thus be inserted into the recess of the coupling part up to its insertion stop, in order to then close the water pipe again by screwing the coupling parts provided at the coupling or separation point.
  • the simple handling and in particular the easy removal of the insert cartridge is favored if, on the circumferential edge or circumferential surface of the insertion stop, which is preferably designed as a ring flange, there is a point of attack for a tool A fingernail or the like is provided and if the point of attack, which is designed in particular as an annular groove-shaped shoulder, is expediently limited by the end face of a coupling part on the mouth side.
  • the point of attack which is designed in particular as an annular groove-shaped shoulder
  • the insert cartridge is provided in the area of a flexible water pipe, such as is connected upstream of a shower head or similar flexible water outlet.
  • a preferred development according to the invention provides that the cartridge housing is detachably but captively held in the recess of the coupling part which is designed as a cartridge receptacle. Since the cartridge housing is detachably held in the cartridge holder, it can be removed or replaced if necessary. The captive hold of the cartridge housing in the cartridge receptacle also ensures that the insert cartridge is not accidentally lost during assembly and cannot perform the intended functions.
  • a holding device is provided on the outer circumferential casing of the cartridge housing, preferably on both sides at a distance from the housing ends, which holding device interacts with a counter-holder on the inner wall of the recess and if the connection caused between the holding device and the counter-holder by a rotary movement and / or traction can be overcome.
  • the holding device can, for example, be designed as an external thread section provided on the peripheral jacket of the cartridge housing, which cooperates with an internal thread section on the inner wall of the recess.
  • a particularly simple and advantageous embodiment according to the invention provides that the holding device or the counter-holder is formed by at least one holding cam, which cooperates with at least one holding lug and that the holding cam and / or the holding lug is formed in a circular manner. Since the holding device is provided at a distance from the housing ends on the cartridge housing, the cartridge housing can first be pushed out of the recess until the holding device strikes the counter-holder. The detachable connection between these parts can then be overcome and the cartridge housing can finally be removed from the cartridge holder by a preferably defined tensile force and / or by a rotary movement of the cartridge housing relative to the coupling part. Although the cartridge is held captive in the cartridge housing, it can be removed and replaced easily and without great effort if required.
  • an annular seal provided between the outer casing of the cartridge housing on the one hand and the inner wall of the water line on the other hand could possibly hinder the easy displacement of the cartridge housing in the cartridge receptacle. It can therefore be advantageous here if the cartridge housing can be inserted into the recess as far as a stop and if the cartridge housing preferably has a particularly annular sealing edge which seals the sealing edge in approximately one plane with the upstream end face of the coupling part.
  • the space provided between the cartridge housing and the cartridge receptacle can be sealed, for example, by a sealing ring which lies against the inflow-side mouth edge of the coupling part and extends in the radial direction up to the sealing edge of the cartridge housing.
  • a flow controller 2 is shown in two different versions, which has a rubber ring 4 or the like elastomeric component, which regulates the clear cross section of the flow controller 2 and thus its liter output per unit of time depending on the water pressure to a defined maximum value.
  • the flow regulator 2 is combined with a backflow preventer 3 to form a unit designed as an insert cartridge or insert cartridge 1, which in a recess 5 designed as a cartridge holder is attached to a flexible water hose 6 provided hose connection 7 can be inserted on the mouth side and forms a sanitary safety device.
  • the hose connection 7 serves as a coupling part for coupling the water hose 6 to a coupling or disconnection point interposed in the water line.
  • the cartridge 1 has on the inflow side a cross section which is approximately W-shaped, which keeps the dirt particles possibly contained in the water flow away from the flow regulator 2 and the backflow preventer 3 and is intended to ensure their undisturbed function.
  • the flow regulator 2, the backflow preventer 3 and the front screen 8 are each designed as separate functional inserts and adapted to the shape can be used in a common cartridge housing 9 of the cartridge 1.
  • the cartridge housings 9 in FIGS. 1 and 2 each have at least one support 10 designed as an annular collar or ring shoulder, which is provided on the inner wall of the housing in the region of the downstream end region.
  • the flow rate controller 2, the backflow preventer 3 and the front screen 8 are of conventional design, although they can also be designed differently from the embodiments shown here.
  • the flow rate controller 2 is connected upstream of the backflow preventer 3 and the backflow preventer 3 in the flow direction.
  • This embodiment according to FIG. 2 can be particularly useful if the design and production effort associated with the cartridge 1 is to be kept as low as possible.
  • the guide pin 13 provided on the valve cone 12 of the non-return valve 3 can, if appropriate, be immersed in a control core of the volume regulator 2 encompassed by the rubber ring 4.
  • the intermediate space 15 remaining between the outer jacket of the cartridge housing 9 on the one hand and the inner wall of the water line on the other hand is sealed by means of at least one ring seal, which is designed here as a sealing ring 16 provided on the downstream end region of the cartridge housing 9, which is located in an outer annular groove 17 of the cartridge housing 9.
  • a plug-in stop 18 designed here as an annular flange is provided on the inflow-side end region of the cartridge housing 9 and acts on the mouth-side end face of the coupling part provided on the inflow-side hose connection of the water hose 6.
  • the insert cartridge 1 can thus be inserted into the recess 5 provided on the hose connection 7 or the like coupling part of the water hose 6 up to the insertion stop 18 on the mouth side.
  • an engagement point 19 which is designed as an annular groove-shaped shoulder and which can be easily gripped behind with a fingernail or a tool in order to remove and pull out the insert cartridge 1 from the hose connection 7.
  • the arrangement of the flow regulator 2 and the backflow preventer 3 in the cartridge 1 allows for certain Areas of application to accommodate only the flow regulator 2 or only the backflow preventer 3 in connection with the front screen 8 in the cartridge housing 9 without, for example, another flexible water hose 6 or hose connection 7 having to be used.
  • the insert cartridge 1 can be interposed in a simple manner and with little effort into the water line also formed by the water hose 6, the insertion stop 18 being clamped between the end faces of the mouth of the coupling parts forming the coupling or separation point.
  • FIGS. 4 and 5 and 6 and 7 each show an insert cartridge 1, which - similar to FIGS. 1 to 3 - combine a flow regulator 2 and at least one backflow preventer 3 in a common cartridge housing 9 to form a structural unit.
  • the upstream end face of the cartridge housing 9 in FIGS. 4 to 7 is designed as an attachment screen 8.
  • the attachment screen 8 thus integrally connected to the cartridge housing 9 in FIGS. 4 to 7 can be produced together with this as a plastic injection-molded part.
  • the flow rate regulator 2 and the backflow preventer 3 of the insert cartridges 1 are inserted into the cartridge housing 9 from the open end facing away from the front screen 8 such that the flow rate regulator 2 is preceded by a backflow preventer 3 in the flow direction.
  • a guide pin 13 is provided on the valve cone 12, which is adjustable against a restoring force, and can dip into a guide opening in the regulator core 14 of the downstream flow rate regulator 2.
  • the insert cartridges 1 according to FIGS. 4 to 7 are therefore also distinguished by a compact and space-saving design.
  • a circumferential locking cam 21 is provided in the cartridge 1 according to FIGS. 4 and 5 on the last functional unit 2 in the flow direction, which engages in a locking recess 22 on the inner circumference of the cartridge housing 9 for the positive anchoring of this functional unit.
  • the insert cartridges 1 in FIGS. 4 to 7 are also inserted in a recess 5 designed as a cartridge receptacle, which is provided on the mouth side on the hose connection 7 of a flexible water hose 6 serving as a coupling part.
  • FIGS. 4 and 5 and 6 and 7 A comparison of FIGS. 4 and 5 and 6 and 7 makes it clear that the insert cartridges 1 shown there are detachable but non-detachable in the recess 5 serving as the cartridge receptacle.
  • a holding cam 23 is provided on the cartridge housings 9 of the insert cartridges 1 shown in FIGS. 4 to 7, which rotates in a ring on the cartridge housing 9 and is arranged on both sides at a distance from the housing ends.
  • This retaining cam 23 on the cartridge housing 9 interacts with a likewise annular retaining lug on the inner wall of the hose connection 7 delimiting the recess 5. Since the holding cam 23 is provided at a distance from the housing ends on the cartridge housing 9, the cartridge housing 9 shown in FIGS.
  • annular sealing edge 25 is provided on the cartridge housing 9, which is formed by a projection 26 which protrudes on the inflow-side end face of the cartridge housing 9 and widens conically outward in the direction of flow.
  • the sealing edge 25 is arranged in approximately one plane with the inflow-side end of the hose connection 7, so that a space 15 remaining between the cartridge housing 9 and the recess 5 can be sealed off by a sealing ring provided on the mouth side but not shown here.
  • the insert cartridge 1 shown there has two non-return valves 3, which provide double functional reliability of the reflux stop function.
  • the flow regulator 2 is arranged between the non-return valves 3 which act counter to the direction of flow.
  • the hose connections 7 serving as a coupling part each have an external thread onto which a union nut, not shown here and provided for example on a corner valve or preferably on a fitting outlet, can be screwed on as a counter-coupling part for sealing the water line.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)
  • Window Of Vehicle (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP96120231A 1996-01-31 1996-12-17 Dispositif de sécurité sanitaire Expired - Lifetime EP0787864B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19603393 1996-01-31
DE19603393A DE19603393A1 (de) 1996-01-31 1996-01-31 Durchflußmengenregler oder dergleichen Drossel

Publications (2)

Publication Number Publication Date
EP0787864A1 true EP0787864A1 (fr) 1997-08-06
EP0787864B1 EP0787864B1 (fr) 2001-02-21

Family

ID=7784113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96120231A Expired - Lifetime EP0787864B1 (fr) 1996-01-31 1996-12-17 Dispositif de sécurité sanitaire

Country Status (4)

Country Link
US (1) US5743291A (fr)
EP (1) EP0787864B1 (fr)
AT (1) ATE199271T1 (fr)
DE (2) DE19603393A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1898007A3 (fr) * 2006-08-29 2009-01-14 Hansgrohe AG Dispositif de fixation d'une pomme de douche
WO2015086097A1 (fr) * 2013-12-13 2015-06-18 Neoperl Gmbh Raccord de tuyau souple
WO2015104617A1 (fr) * 2014-01-10 2015-07-16 Nikles Tec Italia S.R.L. Valve de limitation et ensemble à valve
WO2015104616A1 (fr) * 2014-01-10 2015-07-16 Nikles Tec Italia S.R.L. Clapet et ensemble
CN112044008A (zh) * 2020-09-05 2020-12-08 马海平 一种可快速安装的消防水带连接头

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Publication number Priority date Publication date Assignee Title
DE19937402A1 (de) * 1999-08-07 2001-02-15 Wildfang Dieter Gmbh Sanitäres Einbauteil
DE10220287B4 (de) * 2002-05-07 2004-09-16 Dieter Wildfang Gmbh Durchflußmengenregler
DE10311501B4 (de) * 2003-03-15 2011-06-16 Neoperl Gmbh Einbauteil zum Einsetzen in eine Gas- oder Flüssigkeitsleitung
DE102004016404A1 (de) * 2004-03-25 2005-10-13 Hansgrohe Ag Rückflussverhinderer und Sanitärarmatur
DE102004018749B4 (de) * 2004-04-17 2006-04-27 Neoperl Gmbh Auslaufelement für eine Sanitärarmatur
DE102005003404B3 (de) * 2005-01-24 2006-09-07 Neoperl Gmbh Sanitäre Auslaufeinheit
DE202005004195U1 (de) * 2005-03-14 2006-07-27 Neoperl Gmbh Durchflußmengenregler
DE202005016046U1 (de) * 2005-10-13 2007-02-22 Neoperl Gmbh Sanitäres Einbauteil
US20080029173A1 (en) * 2006-08-07 2008-02-07 Diperna Paul Mario Variable flow reshapable flow restrictor apparatus and related methods
DE102006057787B3 (de) * 2006-12-06 2008-05-29 Neoperl Gmbh Durchflussmengenregler
US20090148773A1 (en) * 2007-12-06 2009-06-11 Ener1, Inc. Lithium-ion secondary battery cell, electrode for the battery cell, and method of making the same
US8986253B2 (en) 2008-01-25 2015-03-24 Tandem Diabetes Care, Inc. Two chamber pumps and related methods
US8360095B2 (en) 2008-02-01 2013-01-29 Exxonmobil Chemical Patents Inc. High-pressure valve
US8408421B2 (en) 2008-09-16 2013-04-02 Tandem Diabetes Care, Inc. Flow regulating stopcocks and related methods
AU2009293019A1 (en) 2008-09-19 2010-03-25 Tandem Diabetes Care Inc. Solute concentration measurement device and related methods
EP3284494A1 (fr) 2009-07-30 2018-02-21 Tandem Diabetes Care, Inc. Système de pompe à perfusion portable
US20120247588A1 (en) * 2011-03-28 2012-10-04 Tsai-Chen Yang Flow rate stabilizer
US9180242B2 (en) 2012-05-17 2015-11-10 Tandem Diabetes Care, Inc. Methods and devices for multiple fluid transfer
US9173998B2 (en) 2013-03-14 2015-11-03 Tandem Diabetes Care, Inc. System and method for detecting occlusions in an infusion pump
CN204842000U (zh) * 2015-07-06 2015-12-09 福建西河卫浴科技有限公司 一种具有止逆结构的限流装置
US11231118B1 (en) * 2020-11-10 2022-01-25 Hanon Systems Integrated one way valve
DE102021100789A1 (de) 2021-01-15 2022-07-21 Neoperl Gmbh Sanitäre Baugruppe zur Erzeugung eines zeitlich variierenden Wasserstrahls sowie zugehöriges Verfahren
US12320439B2 (en) * 2023-04-06 2025-06-03 Spm Oil & Gas Inc. Dart valve

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FR2569251A1 (fr) * 1984-08-15 1986-02-21 Omni Produits Sa Embout a faible bruit, limitant le debit d'ecoulement et a ecoulement laminaire
US4667349A (en) * 1985-07-19 1987-05-26 Sang M. Park Water saving stopcock
DE9013595U1 (de) * 1990-08-21 1990-12-06 R.C. Mannesmann AG, Basel Rückflußverhinderer
EP0566813A1 (fr) 1992-04-23 1993-10-27 NIKLES S.a.r.l. Tube flexible avec réducteur de débit pour des installations sanitaires hydrauliques

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US4562960A (en) * 1983-03-14 1986-01-07 Masco Corporation Of Indiana Pressure responsive aerator
DE8528344U1 (de) * 1985-10-02 1985-11-14 Aqua Butzke-Werke Ag, 1000 Berlin S-Anschluß für sanitäre Mischbatterien od. dgl.
DE3820837A1 (de) * 1988-06-21 1990-01-04 Wildfang Dieter Kg Auslaufrohr fuer sanitaer-armaturen
FI88328C (fi) * 1991-10-14 1993-04-26 Megsent Insinoeoeritoimisto Foerfarande vid en avvattningsanordning foer tak och en avvattningsanordning
US5226445A (en) * 1992-05-05 1993-07-13 Halliburton Company Valve having convex sealing surface and concave seating surface

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569251A1 (fr) * 1984-08-15 1986-02-21 Omni Produits Sa Embout a faible bruit, limitant le debit d'ecoulement et a ecoulement laminaire
US4667349A (en) * 1985-07-19 1987-05-26 Sang M. Park Water saving stopcock
DE9013595U1 (de) * 1990-08-21 1990-12-06 R.C. Mannesmann AG, Basel Rückflußverhinderer
EP0566813A1 (fr) 1992-04-23 1993-10-27 NIKLES S.a.r.l. Tube flexible avec réducteur de débit pour des installations sanitaires hydrauliques

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1898007A3 (fr) * 2006-08-29 2009-01-14 Hansgrohe AG Dispositif de fixation d'une pomme de douche
WO2015086097A1 (fr) * 2013-12-13 2015-06-18 Neoperl Gmbh Raccord de tuyau souple
US10006574B2 (en) 2013-12-13 2018-06-26 Neoperl Gmbh Hose coupling
WO2015104617A1 (fr) * 2014-01-10 2015-07-16 Nikles Tec Italia S.R.L. Valve de limitation et ensemble à valve
WO2015104616A1 (fr) * 2014-01-10 2015-07-16 Nikles Tec Italia S.R.L. Clapet et ensemble
CN106029997A (zh) * 2014-01-10 2016-10-12 尼克勒斯泰克伊塔利亚有限公司 限制阀和阀组件
CN106029997B (zh) * 2014-01-10 2018-05-18 尼克勒斯泰克伊塔利亚有限公司 限制阀和阀组件
CN112044008A (zh) * 2020-09-05 2020-12-08 马海平 一种可快速安装的消防水带连接头
CN112044008B (zh) * 2020-09-05 2021-09-14 苏州绣创投资发展有限公司 一种可快速安装的消防水带连接头

Also Published As

Publication number Publication date
ATE199271T1 (de) 2001-03-15
EP0787864B1 (fr) 2001-02-21
DE59606466D1 (de) 2001-03-29
US5743291A (en) 1998-04-28
DE19603393A1 (de) 1997-08-07

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