EP0714286A1 - Amelioration ecologique de la qualite de l'eau sanitaire - Google Patents

Amelioration ecologique de la qualite de l'eau sanitaire

Info

Publication number
EP0714286A1
EP0714286A1 EP94924206A EP94924206A EP0714286A1 EP 0714286 A1 EP0714286 A1 EP 0714286A1 EP 94924206 A EP94924206 A EP 94924206A EP 94924206 A EP94924206 A EP 94924206A EP 0714286 A1 EP0714286 A1 EP 0714286A1
Authority
EP
European Patent Office
Prior art keywords
valve
water
cartridge
inlet chamber
compressed gas
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.)
Withdrawn
Application number
EP94924206A
Other languages
German (de)
English (en)
Inventor
Alexander Kückens
Horst Köhl
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.)
Technica Entwicklungs GmbH and Co KG
Original Assignee
Technica Entwicklungs GmbH and Co KG
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 Technica Entwicklungs GmbH and Co KG filed Critical Technica Entwicklungs GmbH and Co KG
Publication of EP0714286A1 publication Critical patent/EP0714286A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/60—Components specifically designed for the therapeutic baths of groups A61H33/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/14—Devices for gas baths with ozone, hydrogen, or the like
    • A61H2033/145—Devices for gas baths with ozone, hydrogen, or the like with CO2
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/02—Bathing devices for use with gas-containing liquid, or liquid in which gas is led or generated, e.g. carbon dioxide baths
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/07—Carbonators
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems

Definitions

  • the invention relates to the improved ecological quality of normal tap water for skin and / or hair care, especially in connection with C0 2 -
  • the invention also proposes a method for producing a reusable compressed gas capsule from disposable capsules of the prior art (claim 25).
  • the C0 2 compressed gas fine impregnation is controlled by the water line pressure via a flexible (elastic) membrane.
  • This control has proven itself extremely well when the normal water line pressures prevail.
  • the available water pressure is considerably lower than the normal water line pressure.
  • the available water pressure can drop to values below 1.5 bar.
  • a double piston or differential piston is used which separates the water inlet chamber and the compressed gas inlet chamber.
  • the piston size ratio can be between 1: 1 and, for example, 1: 5 and more, preferably about 1: 3.5.
  • the differential piston also enables direct actuation of the refill valve when using a compressed gas cartridge with such a refill valve, so that the refill valve at the same time as a precisely controlled dispensing valve for the metered dispensing of the C0 2 gas into the impregnation zone can be used (claim 14).
  • differential piston also makes it possible in a simple manner to lock the differential piston in its position which is ineffective with respect to the refill valve by means of an element which can be switched from the outside, in order to e.g. to be able to feed the shower head (claim 8).
  • the controlled valve can be integrated in the device body and still be controlled directly by the differential piston.
  • a compressed gas cartridge with an integrated refill valve it is particularly important to prevent water from the impregnation zone from entering the compressed gas inlet chamber and from there into the cartridge or capsule. This can be prevented by a check valve built into the flow connection between the compressed gas inlet chamber and the impregnation zone.
  • a preloaded poppet valve, in particular a silicone poppet valve, is expediently used for this purpose (claim 10, 11).
  • This pre-tensioning of the silicone check valve inserted in the valve housing results in an opening force of approx. 0.6 bar. If too low a water pressure acts on a diaphragm control, the force must first be applied to regulate the C0 2 metering in order to open the valve in the C0 2 capsule, which is already under 20 ° C under an internal pressure 60 bar and the opening pressure of about 0.6 bar for the check valve has to be overcome. This problem can be solved very easily by using the double piston shown. On the C0 2 control side, a C0 2 pressure is set which, depending on the choice of piston ratio, reaches a value which is, for example, 3 times higher at very low water pressures.
  • the check valve used for example made of silicone, is primarily intended to prevent water from being pushed back into the used capsule.
  • such preloaded silicone valves have the property of special Design of the valve seat to produce loud but not unpleasant whistling tones when they are flowed through by C0 2 gas, for example. This property is very welcome here, since this whistle can be used to control the function of the device and the C0 2 supply purely acoustically.
  • the silicone check valve can be inserted into an additional oscillating or resonance tube, which amplifies the whistling sound or at least passes it on so that the sound is clearly perceptible.
  • the resonance tube can also be mounted in rubber (claims 11, 12).
  • the impregnation zone can be designed in a suitable manner, for example as shown in DE 41 24 728 C2. However, another protected vacuum impregnation method can also be used, as shown in FIG. 1 described below.
  • the C0 2 gas can also be introduced into the impregnation zone under excess pressure compared to the static water pressure.
  • refillable cartridges or compressed gas capsules C0 2 compressed gas containers
  • C0 2 compressed gas containers C0 2 compressed gas containers
  • a great difficulty when using refillable capsules is the possible penetration of moisture or water into the already empty capsules. This can be caused by faulty devices e.g. B. by failure of the check valves or by using the capsules for other purposes.
  • the CO 2 capsules must be filled with gas completely dry to avoid the formation of H 2 CO 3 in the capsule.
  • the carbon dioxide that forms would attack the steel wall of the capsule from the inside and thus reduce the safety of the pressure body and endanger the user.
  • the invention solves this problem by using an abutment which inevitably yields in the presence of moisture, in particular a hygroscopic tablet as a counterbearing of the valve spring.
  • hygroscopic agents for example chlorides, here primarily calcium chlorides, tablets are produced on normal tableting machines using specially suitable binders and pressed in such a way that they obtain the desired strength (claims 15, 16, 17, 18).
  • This strength is measured so that the tablet in normal dry condition (first) withstands the spring pressure of the valve spring and (second) the filling force F - product of the filling pressure P times the front surface A of the valve.
  • the tablet dissolves or softens and loses its strength.
  • the pre-tensioned valve spring alone is able to press the softened mass into the interior of the capsule.
  • the entire valve, ie spring and plunger is pressed into the interior of the capsule and the capsule can no longer close itself.
  • Such defective capsules can be easily sorted out via automatic weighing controls because no C0 2 can be kept under pressure in them.
  • the automatically yielding abutment can be arranged with respect to the flow path of the compressed gas between the interior of the compressed gas cartridge and the interior of the refill valve so that moisture penetrating into the cartridge is guided into the immediate vicinity of the abutment, so that the yielding function of the abutment comes into effect very quickly (Claim 19).
  • the material of the abutment can be chosen so that the hygroscopy of the material is sufficient to get into the state yielding to the spring via the resulting room humidity inside the cartridge or capsule.
  • the C0 2 valve size is especially tailored to keep the opening force very low despite the relatively high internal pressure of the filled capsule.
  • Disposable capsules can be reprocessed by little reworking at their neck opening (claim 25).
  • capsule pressure body and valve body are ideally encapsulated with one another, so that at the same time a groove for a seal (O-ring) is created between the capsule and the device (claim 26).
  • the valve tappet can be set back on the face of the valve body (claim 24), so that it is not possible to operate or open the valve without tools (childproof lock).
  • the devices of the prior art mentioned at the outset are set appropriately for the respective intended use, so that, regardless of the user's attention, the water removed via a shower or the like and prepared for skin or hair care has the optimum pH.
  • a pH of 5.2 is very advantageous for hair care, while a pH of 5.8 is sufficient for cosmetic skin care.
  • the influencing of the protective acid mantle of the skin, which can be rebuilt, is also regarded as cosmetic skin care, just as it is not damaged when showering.
  • a change in the protective acid mantle was found, which can be restored with the finely impregnated water.
  • FIG. 1 shows a longitudinal section through a device with an inserted, refillable compressed gas cartridge or capsule.
  • Figure 2 shows a longitudinal section through a refillable
  • FIG 1 schematically shown cartridge 2 with
  • Refill valve 30 is.
  • the device has a holder 1 for a C0 2 pressure gas cartridge 2, which has a tapered neck in the receptacle 3a of the
  • the device body 3 is used.
  • the device body has a connection 4 for connection to a water source, in particular a conventional water pipe, and a connection 5 for a tapping device, e.g. a hand shower, or the like. Both connections are arranged essentially coaxially and are above a water inlet chamber 6, one
  • Impregnation zone 7 and a post-mixing chamber 8 in connection In the example shown, the impregnation zone 7 consists of an insert body through which the water from the inlet chamber 6 flows accelerated. Behind a step-like extension, inlet bores 23 of small diameter are provided, which connect the impregnation zone 7 to a compressed gas distribution chamber 22. This is via a flow connection with a bore 16 in which is blocked against the entry of water by a prestressed silicone poppet valve 21
  • This bore 15 is assigned a needle-shaped throttle element 17 which determines the flow cross-section, wherein the throttle element 17 can be switched between the positions "a" and "b" by a pivot lever 18 accessible from the outside.
  • the two positions are assigned, for example, a pH value of 5.2 (for hair care) or a pH value of 5.8 (for cosmetic skin care) determined by the C0 2 impregnation of the water.
  • the C0 2 pressure gas inlet chamber 15 is separated from the water inlet chamber 6 in the example shown by a differential piston 11 whose smaller effective piston surface faces the pressure gas inlet chamber 15.
  • the effective piston area ratio can be changed by exchanging the
  • Differential pistons can be precisely adjusted to any desired application, which results from the respective water pressure on site, but also from customer requirements with regard to the pH value of the finely impregnated water.
  • the differential piston has a Betsch Trent ⁇ glied 11a, which protrudes into the receptacle 3a of the C0 2 -Druckgaskapsel. 2
  • the differential piston 11 is in its retracted inactive position. In this it can be blocked by a blocking element 12, 12a, which can be switched from the outside, for example, by lever 13, so that normal water, ie without C0 2 impregnation, can be removed from the water source in question when the shower valve (not shown ) is opened.
  • the compressed gas is withdrawn from the cartridge 2 via a valve 30.
  • This can be integrated in the device body 3 between the receptacle and the compressed gas inlet chamber.
  • the valve 30 is directly assigned to the compressed gas cartridge 2 as a refill valve and as a removal valve, as can be better seen in detail in FIG. 2.
  • the neck 2a of the compressed gas cartridge 2 is machined so that it has an inner shoulder 2b and a constriction or curl 2c at an axial distance therefrom.
  • the valve body 31 of the refill valve 30, a seal 34 and the flange 35a of a sleeve 35 are fixed between the shoulder 2b and the constriction 2c tightly clamped.
  • the constriction 2c is designed in such a way that it forms a receiving groove 2d for a sealing ring 2e which is open radially outward and serves for sealingly inserting the cartridge into the receiving device 3a of the device.
  • a movable valve member 40 is guided in the valve body 31b, which has a sealing ring 42 under a collar 41, which cooperates with an annular valve seat 31a of the valve body 31 to close the cartridge 2 to the outside.
  • the valve member 40 has a plunger 43 protruding through the valve body 31, via which the refill valve 30 can be actuated in a controlled manner via the differential piston 11 or its plunger 11a, so that the refill valve 30 also serves as a metering valve.
  • a helical spring 39 is threaded onto the shaft-shaped extension of the valve member 40 and presses the valve member sealingly onto the valve seat 31a when the cartridge 2 is empty.
  • the rear end of the spring is supported on a pressure distributor disk 38, which in turn rests on a spring abutment 37.
  • the spring abutment is supported by an inner flange 35b of the sleeve 35.
  • the sleeve 35 has openings 36 through which the C0 2 compressed gas can flow into the cartridge 2 or out of it.
  • the abutment 37 is designed and arranged in such a way that it yields when water or moisture occurs inside the cartridge or the refill valve 30, so that the valve member 40, 42 is no longer pressed sealingly onto the valve seat 31a and thus the capsule or cartridge no more C0 2 compressed gas can hold.
  • cartridges or capsules that are not filled because they are no longer intact can easily be rejected by weight control.
  • the inevitable flexibility of the abutment 37 is achieved in that the abutment consists of a hygroscopic material or contains such a material.
  • the abutment can be produced automatically from such materials in tablet form on conventional tablet production facilities. Suitable disintegrants which cause the disintegration or trigger, accelerate or promote the disintegration of such tablets are well known (cf. "The pharmaceutical company” Volume 7, "The tablet, basics and practice of tableting, granulating and coating” by Dr. WA Ritschel, Editio Cantor KG / Aulendorf in negotiated, esp. Pages 107 ff.).
  • a device for improving the water quality for hair and body care in which an exact impregnation ratio between C0 2 and water can be maintained by using a differential piston 11 even at low water pressures, using C0 2 compressed gas cartridges 2, which can be refilled with C0 2 compressed gas, with the exclusion of cartridges into which water or water moisture has penetrated.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un appareil permettant d'améliorer la qualité de l'eau utilisée pour les soins de la chevelure et l'hygiène corporelle. L'utilisation d'un piston différentiel (11) permet de maintenir un rapport d'imprégnation précis entre le CO2 et l'eau, même lorsque la pression de l'eau est basse, à l'aide de cartouches de CO2 sous pression (2) qui peuvent être rechargées en CO2 sous pression et à l'exclusion de cartouches dans lesquelles de l'eau ou de l'humidité se serait infiltrée.
EP94924206A 1993-08-25 1994-08-24 Amelioration ecologique de la qualite de l'eau sanitaire Withdrawn EP0714286A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4328590A DE4328590C1 (de) 1993-08-25 1993-08-25 Gerät zur Qualitätsverbesserung normalen Leitungswassers
DE4328590 1993-08-25
PCT/DE1994/000978 WO1995005801A2 (fr) 1993-08-25 1994-08-24 Pompe a vide a ejecteur pour introduction d'un gaz dans un liquide

Publications (1)

Publication Number Publication Date
EP0714286A1 true EP0714286A1 (fr) 1996-06-05

Family

ID=6495997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94924206A Withdrawn EP0714286A1 (fr) 1993-08-25 1994-08-24 Amelioration ecologique de la qualite de l'eau sanitaire

Country Status (6)

Country Link
US (1) US5676888A (fr)
EP (1) EP0714286A1 (fr)
AU (1) AU7456694A (fr)
CA (1) CA2170029A1 (fr)
DE (1) DE4328590C1 (fr)
WO (1) WO1995005801A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29714872U1 (de) * 1997-08-20 1998-09-03 Spiegel, Margret, 21509 Glinde Mischbatterie
DE29804232U1 (de) 1998-03-10 1998-11-19 Spiegel, Margret, 21509 Glinde Mischbatterie
EP1154195A1 (fr) * 2000-05-12 2001-11-14 Kisag AG Cartouche à gaz sous pression et élément récepteur pour loger la cartouche à gaz sous pression
CA3078098C (fr) 2012-06-12 2022-03-15 Alcon Inc. Injecteur de gaz intra-oculaire
JP2015188751A (ja) * 2014-03-27 2015-11-02 株式会社ハナダ 炭酸泉水製造装置
US11224537B2 (en) 2018-10-19 2022-01-18 Alcon Inc. Intraocular gas injector

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See references of WO9505801A2 *

Also Published As

Publication number Publication date
DE4328590C1 (de) 1995-02-09
US5676888A (en) 1997-10-14
AU7456694A (en) 1995-03-21
WO1995005801A2 (fr) 1995-03-02
WO1995005801A3 (fr) 1995-07-13
CA2170029A1 (fr) 1995-03-02

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