EP0575819A1 - Matelas pour la distribution d'un gaz dans un liquide - Google Patents

Matelas pour la distribution d'un gaz dans un liquide Download PDF

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Publication number
EP0575819A1
EP0575819A1 EP93109257A EP93109257A EP0575819A1 EP 0575819 A1 EP0575819 A1 EP 0575819A1 EP 93109257 A EP93109257 A EP 93109257A EP 93109257 A EP93109257 A EP 93109257A EP 0575819 A1 EP0575819 A1 EP 0575819A1
Authority
EP
European Patent Office
Prior art keywords
mattress
gas
groove
nozzles
mat
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Withdrawn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
EP93109257A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jean-Louis Gasparini
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.)
WORBENA ESTABLISHMENT
Original Assignee
WORBENA ESTABLISHMENT
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 WORBENA ESTABLISHMENT filed Critical WORBENA ESTABLISHMENT
Publication of EP0575819A1 publication Critical patent/EP0575819A1/fr
Withdrawn legal-status Critical Current

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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
    • A61H33/02—Bathing devices for use with gas-containing liquid, or liquid in which gas is led or generated, e.g. carbon dioxide baths
    • A61H33/025—Aerating mats or frames, e.g. to be put in a bath-tub
    • 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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/013—Suction cups
    • 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

Definitions

  • the present invention relates to a mattress for the distribution of a gas in a liquid, in particular for use in the field of whirlpools and the like, comprising a rigid or semi-rigid mat, provided with a series of nozzles defining passages for gas, a laterally closed peripheral skirt attached to the mat of the mattress and extending downwards from the latter to define, with the lower surface of the mat, a hollow volume intended to contain, in operation, a flat bubble gas below the surface of the carpet and formed by gas injected into the mattress and used to maintain a sparkling gas through the nozzles.
  • a mattress of this kind is proposed in document EP-A1-0411425.
  • This type of mattress as opposed to those of the "Whirlpool” type, which implements an injection of water under high pressure into a bath to generate bubbling and whirlpools, exploits the natural thrust of the air which is injected at a lower pressure in the bottom of the bath.
  • the bubbles formed when air or gas pass through the nozzles swell as they rise to the surface and thus cause more or less pronounced sparkling and bubbling depending on the amount of air and its pressure which depends on the depth of the bath.
  • this mattress is characterized by a free and natural interaction between air and water. Unlike mattresses provided with pipes and closed air chambers, mattresses thereby forced to use a high air pressure causing aggressive sparkling, the mattress proposed in the above-mentioned document and which, as an open system, operates at low pressure, allows a natural, soft and uniform sparkling at all levels of the bath, the character of this sparkling can nevertheless be influenced by the user by acting on the air source and on the type and size of sprinklers through which air can escape. As a result, the user of this new mattress does not experience a cold sensation well known in other mattresses and due above all to the high pressure of the air touching the wet skin of the submerged body.
  • Another advantage of this new mattress is that it allows easy, quick and efficient cleaning and thus meets the most stringent hygienic criteria. Its production is, moreover, extremely simple and economical since it can be manufactured by simple thermoforming of a sheet of synthetic material. The reader will want to refer to the above document to learn about other advantages and features.
  • the object of the present invention is an improvement of the mattress described in the preamble, so as to allow the user to exercise a certain control over its operation, without renouncing the advantages acquired.
  • the mattress proposed by the present invention is essentially characterized in that the carpet has one or more grooves made in the surface of the carpet and the side walls of which are provided with sprinklers. These grooves can define separate bubbling zones.
  • the nozzles in the walls of the groove are isolated punctual perforations.
  • the nozzles are vertical slots, which means that their active surface increases as the water level drops. These slots can even extend from one side of the groove, through the bottom thereof, to the opposite side, which means that they can be made easily by sawing the groove transversely.
  • the groove defining the different zones of the carpet is preferably obtained by thermoforming the carpet, or by a fusion-rotation process.
  • the belt has two concentric zones, namely a central zone and a peripheral zone separated by an endless groove.
  • the depth of the groove preferably corresponds approximately to the height of the skirt of the mattress.
  • the gas is preferably injected below the mattress through an adjustable distributor, so as to distribute the gas selectively in a well-defined zone or, at the same time in several zones.
  • the dispenser may be a flat bent arm arranged, by its central part, pivotally below the carpet, so that one of its ends projects beyond the mattress under the skirt and can be connected to a gas source, l 'opposite end pivoting below the mattress being in the form of a gas injection nozzle.
  • the lower surface of this dispenser can be provided with one or more sliding pads.
  • the power of the air supply pump motor it is therefore possible to modify the number of active nozzles, that is to say the intensity of sparkling. For example, increasing the engine power inflates the air bubble under the mattress. However, a swelling of this bubble, that is to say an increase in its thickness, frees more jets located in the sides of the furrow delimiting the different zones, which will increase the intensity of the sparkling.
  • a comparable result is obtained by varying the water level in the basin or the bathtub. Indeed, an increase in the height of water, at equal pressure of air injection, reduces the thickness of the bubble to drown the lower jets of the furrow and remove them from the action of sparkling, which reduces the intensity of it.
  • the flat air bubble and the bath water are in permanent communication and interaction, as described above, and as the factor "height of the water column" directly influences this flat air bubble, by either increasing by a decrease in the water column, or being reduced by an increase in the said column, the boiling is likewise influenced by everything that influences this water column. This is the case for movements of the submerged person. Indeed, any movement of the trunk and limbs having the effect of modifying the part of the volume of the submerged body, will modify the water column.
  • the mattress proposed by the invention also allows the user to direct the air admitted under the mattress preferentially or entirely in an area of his choice and thus increase the intensity of sparkling of an area determined at the expense of the intensity of sparkling from another area.
  • the user can select the mode of bubbling and sparkling, this as regards both its extent and its intensity.
  • the mattress shown in Figures 1 and 2 corresponds broadly to that of document EP-0411425, that is to say that it is in the form of an elongated flat bowl intended to be turned over into the bottom, for example d 'bath.
  • the mattress essentially consists of a flat mat 10 provided with a multitude of fine perforations 12 acting as sprinklers.
  • the carpet 10 is bordered by a peripheral skirt 14 laterally delimiting a space under the carpet 10 communicating freely with the water.
  • the skirt 14 and the carpet 10 are preferably made of the same material, for example a synthetic material allowing the mattress to be produced in a single thermoforming operation or by a rotational fusion process.
  • the mat 10 and the skirt 14 must have sufficient rigidity so as not to crush under the weight of a person whom they have to support.
  • the skirt has several suction cups 16 allowing the mattress to adhere to the bottom of the bath and be easily released from it.
  • the lower edge of the skirt it is indeed not necessary, or even undesirable, for the lower edge of the skirt to be in leaktight contact with the bottom of the the bathtub, since the design of the mattress and its proper functioning imply the presence of a certain level of water under the carpet to trap an air bubble.
  • the mattress proposed by the present invention differs from the known mattress, however, by the fact that it is divided into several sparkling zones which can be used individually or simultaneously.
  • the mat 10 has two zones, namely a central zone 18 extending in the direction of the length of the mat 10 and a peripheral zone 20 surrounding the central zone 18.
  • a central zone 18 extending in the direction of the length of the mat 10
  • a peripheral zone 20 surrounding the central zone 18.
  • the central 18 and peripheral 20 zones are defined by an elongated endless groove 22.
  • This groove 22 is produced by deformation of the belt 10, preferably by thermoforming on an appropriate mold during the manufacturing operation of the mattress.
  • the groove 22 may advantageously have, as shown in FIG. 2, the shape of a "V" with a rounded bottom and whose depth or height corresponds to that of the skirt 14.
  • the two side walls 22a, 22b defining the groove 22 comprise several rows of nozzles 24 distributed over the entire height of the furrow 22. These nozzles 24 may have the same sections as those of the sprinklers 12 of the carpet or, where appropriate, different sections. The nozzles 24 may even have different sections depending on the height of their location in the groove 22. Similar nozzles can also be provided in the peripheral skirt 14.
  • the presence of the groove 22 does not in any way reduce the advantages existing from the point of view of cleanliness and hygiene since the exterior and the interior of the groove are perfectly accessible for cleaning.
  • the two zones 18 and 20 defined by the groove 22 can operate independently of each other, that is to say it is possible to use only one zone or to use more one area at the expense of the other. Consequently, in order to be able to take full advantage of these operating possibilities, it is preferable to have a distributor making it possible to send the air selectively to each of the zones 18 or 20 or simultaneously in both.
  • FIGS 1 and 2 show an example of such a distributor symbolized by the reference 26.
  • This distributor 26 is in the form of a hollow flat arm and bent at one end of the mattress.
  • the central region of the distributor 26 can be connected, in a removable and pivoting manner, to the underside of the mat, for example by means of a coupling the distributor of which comprises the female part 28 and the male part 30 of which is bonded to the mat 10 or vice versa.
  • One of the ends of this distributor 26 projects beyond the mattress from below the skirt 14 and comprises, outside of the latter, a fitting 32 which can be engaged on a flexible pipe 31 connected to a source of compressed air, not shown.
  • the inner end of the distributor 26 is designed as an air outlet nozzle 34.
  • the distributor 26 can rest by its lower surface on the bottom of the tub and may include, for this purpose, one or more pads 36 facilitating its pivoting and preventing scratching the surface of the tub.
  • the dispenser 26 can therefore easily be put in place before each use and also be easily released after each use.
  • it is preferably constituted by a base and a cover that can be easily separated from one another.
  • the coupling between the carpet 10 and the distributor 26 allows the latter to be pivoted between the three positions illustrated in FIG. 1 so as to selectively direct the air in zone 18 in position a or in zone 20 in position b or in the two zones in position c.
  • the distributor 26 can be simply pivoted, for example by the foot of a user acting on the air supply pipe 31.
  • the particular shape of the dispenser 26 makes it easier for the user to position it since the nozzle 34 is hidden from him by the mat 10.
  • the two extreme positions a and b corresponding to the supply of zones 18 respectively 20 are easily identifiable by the fact that in these positions, the skirt 14 acts as a stop relative to the connector 32 of the distributor 26.
  • the position c of the distributor is easily identifiable by the fact that in this position the connector 32 is arranged in the extension of the longitudinal axis of the mattress.
  • the excess air injected into the peripheral zone 20 will cause the air bubble to swell there and lower the water level until the number of nozzles 24 released in the wall 22a of the groove 22 on the side of the zone 20 is sufficient for the volume of air escaping through the nozzles 12 and 24 to correspond substantially to the volume of air injected, this level being represented by b in FIG. 2.
  • the distributor 26 in position b, the crackling in the central zone is suppressed and the crackling is intensified in the peripheral zone 20 .
  • each of the zones 18 or 20 which can be selectively closed with a cap or be connected to the air supply pipe.
  • This offers the possibility of using the mattress without the distributor 26 by connecting either the central zone 18 or the peripheral zone to the air supply.
  • By providing a mixing valve or a three-way valve in the air supply it is even possible to thus selectively or simultaneously supply the two zones, which would replace the distributor 26.
  • the mattress proposed by the present invention also accommodates the various constructive versions of the known mattress described in the aforementioned patent.
  • the belt 10 can comprise in each of the zones 18 and 20 removable and replaceable plates with nozzles which are different in number and in caliber.
  • the carpet can also have several sections linked together by tunnels.
  • furrows instead of providing one or more furrows with straight flanks, it is possible to define the furrows between stepped flanks having several stages according to the depth of the furrow and to provide the nozzles in the horizontal sections or bearings of the flanks. This facilitates the production of sprinklers by a stamping or punching process. In addition, the bubbles that form when these jets pass can rise directly into the water and are not likely to remain attached to the sides of the furrow.
  • Figure 3 shows a longitudinal section through a groove with a side seen from the front and representing different possible shapes of the sprinklers.
  • the sprinklers can have the shape of a slot 24b as in FIG. 3b or the shape of an arrow 24c as in FIG. 3c or of a 24d lens as in figure 3d.

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)
  • Invalid Beds And Related Equipment (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP93109257A 1992-06-23 1993-06-09 Matelas pour la distribution d'un gaz dans un liquide Withdrawn EP0575819A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9207637A FR2692464B1 (fr) 1992-06-23 1992-06-23 Matelas pour la distribution d'un gaz dans un liquide.
FR9207637 1992-06-23

Publications (1)

Publication Number Publication Date
EP0575819A1 true EP0575819A1 (fr) 1993-12-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93109257A Withdrawn EP0575819A1 (fr) 1992-06-23 1993-06-09 Matelas pour la distribution d'un gaz dans un liquide

Country Status (4)

Country Link
EP (1) EP0575819A1 (ja)
JP (1) JPH07108052A (ja)
FR (1) FR2692464B1 (ja)
PL (1) PL299425A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0688554A1 (de) * 1994-06-22 1995-12-27 Heddernheimer Metallwarenfabrik GmbH Verteilereinrichtung für eine Sprudelvorrichtung
EP0815823A1 (de) * 1996-07-05 1998-01-07 Biocomfort Produkte zur Gesundheitspflege GmbH Abnehmbare Luftweiche für Sprudelmatten

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB688946A (en) * 1951-01-15 1953-03-18 Alexander Rubin Device for distributing air or other gases in liquids or vapours in air
US3076976A (en) * 1962-02-19 1963-02-12 Lawrence A Bogar Liquid aerating and agitating device
DE2647793A1 (de) * 1976-10-22 1978-04-27 Creativ Patentanstalt Sprudelmatte fuer ein luftsprudelmassagegeraet
DE2729198B1 (de) * 1977-06-28 1978-06-08 Baumann Beltron Gmbh Vorrichtung zur Regelung der Luftzufuhr bei Luftsprudelmatten in Luftsprudelmassagebaedern
DE2923654A1 (de) * 1979-06-11 1980-12-18 Baumann Beltron Gmbh Luftsprudelmatte zur grob- und feinbesprudelung
EP0411425A1 (fr) * 1989-08-01 1991-02-06 Worbena Establishment Natte pour la distribution d'un gaz dans un liquide

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB688946A (en) * 1951-01-15 1953-03-18 Alexander Rubin Device for distributing air or other gases in liquids or vapours in air
US3076976A (en) * 1962-02-19 1963-02-12 Lawrence A Bogar Liquid aerating and agitating device
DE2647793A1 (de) * 1976-10-22 1978-04-27 Creativ Patentanstalt Sprudelmatte fuer ein luftsprudelmassagegeraet
DE2729198B1 (de) * 1977-06-28 1978-06-08 Baumann Beltron Gmbh Vorrichtung zur Regelung der Luftzufuhr bei Luftsprudelmatten in Luftsprudelmassagebaedern
DE2923654A1 (de) * 1979-06-11 1980-12-18 Baumann Beltron Gmbh Luftsprudelmatte zur grob- und feinbesprudelung
EP0411425A1 (fr) * 1989-08-01 1991-02-06 Worbena Establishment Natte pour la distribution d'un gaz dans un liquide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0688554A1 (de) * 1994-06-22 1995-12-27 Heddernheimer Metallwarenfabrik GmbH Verteilereinrichtung für eine Sprudelvorrichtung
EP0815823A1 (de) * 1996-07-05 1998-01-07 Biocomfort Produkte zur Gesundheitspflege GmbH Abnehmbare Luftweiche für Sprudelmatten

Also Published As

Publication number Publication date
FR2692464A1 (fr) 1993-12-24
PL299425A1 (en) 1994-02-21
FR2692464B1 (fr) 1996-02-16
JPH07108052A (ja) 1995-04-25

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