EP0311967A2 - Hydromassage-Armatur mit automatischer Schliessvorrichtung - Google Patents

Hydromassage-Armatur mit automatischer Schliessvorrichtung Download PDF

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Publication number
EP0311967A2
EP0311967A2 EP19880116836 EP88116836A EP0311967A2 EP 0311967 A2 EP0311967 A2 EP 0311967A2 EP 19880116836 EP19880116836 EP 19880116836 EP 88116836 A EP88116836 A EP 88116836A EP 0311967 A2 EP0311967 A2 EP 0311967A2
Authority
EP
European Patent Office
Prior art keywords
water
hydromassage
nozzle
sleeve
fitting
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
EP19880116836
Other languages
English (en)
French (fr)
Other versions
EP0311967B1 (de
EP0311967A3 (en
Inventor
Emanuele Villafranca Soissons
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.)
Jacuzzi Europe SpA
Original Assignee
Jacuzzi Europe SpA
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 Jacuzzi Europe SpA filed Critical Jacuzzi Europe SpA
Publication of EP0311967A2 publication Critical patent/EP0311967A2/de
Publication of EP0311967A3 publication Critical patent/EP0311967A3/en
Application granted granted Critical
Publication of EP0311967B1 publication Critical patent/EP0311967B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61H33/027—Gas-water mixing nozzles therefor
    • 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
    • A61H33/601—Inlet to the bath
    • A61H33/6021—Nozzles
    • A61H33/6031—Extendible or retractable
    • 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
    • A61H33/601—Inlet to the bath
    • A61H33/6021—Nozzles
    • A61H33/6063—Specifically adapted for fitting in bathtub walls
    • 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
    • A61H2033/023—Bathing devices for use with gas-containing liquid, or liquid in which gas is led or generated, e.g. carbon dioxide baths with means in the air supply lines to prevent back-feed of water, e.g. anti-backflow valves, draining devices

Definitions

  • the present invention relates to an improved hydromassage fitting provid­ed with an automatic closing system to prevent the backflow of water, present in a bath tub, both in the water circulation system and in the air suction nozzles of said fitting.
  • hydromassage practice consists in having the body of the user, immersed within a tub or pooll, impinged with a water jet under pressure, mixed with air, delivered by one or more fittings provided in the walls of the tube or pool.
  • the fittings of known type are moreover provided with systems rendering them orientable, although within a rather limited angle range, so that the jet is directed with the desired inclination with respect to the user's body.
  • a first problem related to the known fittings is that of the adjiustment, particularly of the closing of the jet delivery from one fitting, the other fittings connected to the same hydraulic and pneumatic circuit be­ing maintained in operation.
  • the total closing of the water supply to a fitting is carried out, often a water suction from the inside of the tub through the air suction duct of the subject fitting takes place.
  • Another problem related to the known fittings is that of the stagnation of a certain amount of water in the body of the fitting during the non operation period, that stagnation involving hygienic problems which do not need further comments.
  • a further problem is the risk of water backflow from the tub into the water recirculation circuit for the hydromassage through the said fit­tings during a normal use of the bath tube for the only detersion which may lead to the entrance in into said circuit of aqueous solutions of soaps or other detergents containing surface active substances which give place to serious drawbacks of an excessive foaming when the hydromassage is started again, apart from the above mentioned hygienic problems relat­ed to the stagnation of said solutions within the water recirculation circuit.
  • Said fitting as described and claimed in the above mentioned European Patent Application No. 85.108.947.4, is rather satisfactory in operation as regards the water backflow within the air circuit and the elimination of stagnation within the fitting body, whereas it requires the manual closure of the jets of hydromassage water in order to avoid the backflow of the bath water into the water circulation system, in the case said tub is to be used for an ordinary bath operation.
  • This solution operation in a rather good manner, but has the drawback of a not negligible complexity related to the hydraulic actuators operated by water pressure generated by the hydromassage recirculation pump and moreover makes the opening for at least one suction valve depending on the presence of pressure within the delivery duct of the recirculation pump and, owing to the use of normally closed filing members within the delivery fittings, makes it necessary a pressure supplied from the recirculation pump such as to overcome the springs of said plug members, whereby the hydromassage pressure cannot be lowered below a certain minimum value which might be dangerous for particularly delicate persons who are readily subjected to rupture of the blood capillaries as caused by a too energic hydromassage action.
  • a hydromassage fitting comprising automatic closing means for the fitting controlled by external actuators (such as electromagnets), which are controlled together with a motor of a recirculation pump.
  • external actuators such as electromagnets
  • Said hydromassage fitting is essentially formed by a hallow sleeve (54) mounted to an orientable spherical body (12), internally provided with a converging-diverging passage (58) shaped as a Venturi pipe, characterized in that in said passage (58) a movable nozzle (60) is contained, which operates between an advanced position for the closing of said passage and a withdrawn position for the opening thereof, which can be actuated by means of an external actuator (82) which is operated simultanouesly with motor driving the recirculation pump.
  • said external actuator (82) is an electromagnet which is parallelly connected with respect to the motor of said recirculation pump.
  • Still more particularly said movable nozzle is provided with a check valve (100) , preventing the water present in the tub from flowing within the air circuit of the hydromassage system and when is opened with the movable nozzle (60), being withdrawn, permits the outflow of water in the Venturi pipe passage (58) with attendant depression before the same nozzle (60).
  • said movable nozzle (60) consists of a first conical part followed by a cylindrical part adapted to enter between two guiding cylindrical walls (66 and 68) when said nozzle is withdrawn to permit the passage of water and the consequent air suction.
  • said movable nozzle (60) is maintained in the closed position by a spring (74) reacting between said nozzle (60) and the internal cyl­indrical wall (68) of the two coaxial cylindrical walls (66 and 68) and is withdrawn into the open position by a rod or flexible wire (80) ac­tuated by said electromagnet of the external actuator (82).
  • Said movable nozzle (60) is pushed by said spring (74) through a per­forated plate or disk (78) and the movement thereof is limited and dampered by an elastic bearing (86) housed between the two cylindrical walls (66) and (68) it operating also as a further seal packing to prevent leakage of water under pressure in the air passage area.
  • said sleeve (54) mounted in said spherical body (12) is mov­able according to an axial direction provided by the engagement of a screwed part thereof within a screwed hole (50) of said spherical body to vary the flow rate of said sleeve.
  • said electromagnetic actuator (82a) is housed within a chamber in which said suction air is flowing and is fastened to a wall thereof by means of an orientable joint, such as a ball joint (85), to follow the orientation given to the sleeve (54) and to the movable nozzle (60) by the positions taken by the spherical body (12).
  • an orientable joint such as a ball joint (85)
  • said electromagnetic actuator (82a), housed in said chamber in which said suction hair is flowing, is fixed to a wall thereof by means of a flexible support.
  • the fitting 10 comprises an orientable body 12 of essentially spherical shape, inserted within a first base 14 shaped as a hemispherical cavity, adapted to the shape of said body 12 , and further terminating with an outwardly screwed cylindrical area 16, extended by a flange 18, said base 14 being in turn inserted within a housing or case 20 of essentially hemispherical shape having integrally formed therewith a pipe connection 22 for the inlet of water and a pipe connection 24 for the air inlet , comprising respective ducts, 26 and 28, and extended in a cylindrical part 30 which is outwardly screwed and terminates with a flange 32 cooperating with the flange 18 to fasten the fitting 10 to a wall 34 of a tub or pool.
  • the said housing or case 20 is provided with the passage 36 communicating with the duct 26 for the water and determines with the internal base 14 a hollow space.
  • Said hollow space is divided into a first zone 38 forwardly defined by a first packing 40 and rearwardly by a second packing 42 and in a second zone 44 which is internally delimited by said packing 42 and rearwardly connected with a cavity 46 in turn communicating with the air duct 28.
  • Said internal base 14 is moreover provided with openings 48 communicating with said first zone of the hollows space 38 to permit a water flow to within the same base 14.
  • the spherical body 12 is provided with an axial cylindrical cavity 50 which is partially screwed and terminates into a chamber 52 essentially shaped as a spherical cap with curved bottom radiused with a cylindrical sleeve 54 which terminates for­wardly with an enlarged flange 56 and is internally provided with a con­verging-diverging passage 58 forming a Venturi pipe, which is radiused in the converging part to the said spherical cap chamber 52.
  • a movable nozzle 60 is housed having substantially the shape of a truncated cone connected to a cylinder, pro­vided with a first internal duct 62 broadening in a second greater duct 64 and with a cylindrical part slidable between two coaxial cylindrical walls 66 and 68 forming a guide therefor.
  • the conical surface of said movable nozzle may be sealingly engaged ag­ainst an annular packing 70 housed in a suitable grove 72 within the con­verging area of the Venturi pipe.
  • the movable nozzle 60 is maintained in the position shown in figure 1 by a spring 74 abutting from one side against a shoulder 76 determined by the transition part between the greater duct 64 and the minor duct 62 (see particularly figure 2) and by the other side against the internal end of the cylindrical wall 68 so that, by abutting against the annular packing 70, a perfect sealing effect is ensured between the passage 58 of the sleeve 54 and the said nozzle 60.
  • the spring 74 abuts against the shoulder 76 through a circular plate 78, perforated or anyhow having holes, from the center of which a small rod or wire unextensible and having a certain flexibility 80 comes out, it being connected to a movable armature of an actuating device such an electromagnet 82 and terminating with a stop disk 84.
  • An elastic bearing 86 such as an annular rubber seal, is housed in the hollow space between the two cylindrical walls 66 and 68 , acting as shock absorber of shocks and as sealing packing for said movable nozzle 60.
  • An annular packing 88 clamped between the outer surface of the spherical body 12 and a shoulder of the hemispherica activity base 14 , close to a bottom opening thereof 90, provides a sealing effect between the areas involving pressure water and the areas involving suction air, said pack­ing 88 being pressed within its seat against the bottom opening 90 from the spherical body 12 pushed and maintained in its position by a sub­stantially annular screwed body 92 which is screwed in an internal screwed part of the base 14.
  • the cavity 62 of the movable nozzle 60 contains also a check valve 100 comprising check head 102 engageable against a perforated abutting wall or seat 104 connected to said movable nozzle 60 by a stem 106, normally screwed, by a return spring 108 and by a nut 110 for the adjustment of said spring 108.
  • electromagnet 82a An alternating form of actuating electromagnet 82a is shown in the figures 5 and 6, said electromagnet 82a being housed in a dome 83 formed in the air entry path and connected to a cavity 46a like the cavity 46 of the figures 1 and 3.
  • the electromagnet 82a is housed in a cover or bracket 81 of isolating material, for example obtained by casting or injection molding, around the electromagnet body and provided with a screwed wall adapted to engage the stem of a hemispherical head screw 85, having curvature facing towards the stem, cooperating with the hemispherical seat 85 to form a ball joint permitting the electromagnet 82a to be orientated according to the orientation of the spherical body 12 so that the electromagnet 82a is always perfectly aligned with the rod 80, which thus may be manufactured with greater streenght then a simple wire, unextensible and slightly flexible.
  • the electromagnet 82a is energized by means of two electrodes 89 connect­ed to two elastic blade contacts 91, abutting against two conducting metal lands fixed to the isolating cover 81 of the electromagnet 82a, so as to always ensure a good connection between said electrodes 89 and con­sequently the external network, and the coil of said electromagnet 82a.
  • the operation of the fitting 10 of the present invention is the follow­ing: the spherical body 12, having the cylindrical sleeve 54 mounted thereto, serves as orientable jet carrier to direct at will the hyd­romassage jet within some obvious limits.
  • the movable nozzle 60 within the Venturi type passage 58 is in the posi­tion of figure 1, when the hydromassage fitting is non operating, abut­ting against the annular packing 70 and consequently preventing any back­flow of water from the tub to the recirculation system of the hyd­romassage water.
  • valve 100 within the internal duct 62 of the movable nozzle 60 prevents the tub water backflow to the air inlet system of the hydromassage since not only the spring 108 tends to keep the valve 100 closed but moreover the water column present in the tub cooperates to the closing thereof.
  • the water recirculation pump When the fitting 10 is to be operated, the water recirculation pump is actuated, by which water is conveyed to the duct 26 and, at the same time, the electromagnet 82 is energized which , by means of the rod or wire 80 does attract the through-hole plate 78 consequently also the movable nozzle 60, which, by overcoming the force of the spring 74, takes the position of figure 2 with the edge of its cylindrical portion abutted against the elastic bearing 86 acting also as sealing packing , whereby possible leakage of water from the chamber 52 to the cavity defined by the cylindrical wall 68, acting as air inlet within the nozzle 60, are prevented.
  • the air coming from the duct 24 passes through the cavity 46 and the chamber defined by the wall 68 ac­cording to the arrow 118 and then comes out from the nozzle 60 along the arrows 120 thus producing bubbles in the same water jet.
  • the alternative embodiment partially illustrated in the figures 5 and 6 permits the jet of the fitting 10 to be still oriented, but at that time a change of orientation of a spherical body 12 does not correspond to a change of deflexion of the small rod or wire 80, but to a different or­ientation of the head of the screw 85 , by which the electromagnet 82 is secured within its hemispherical seat 87 so that the rod 80 and the elec­tromagnet 82a are always axially aligned, permitting a safer operation of said electromagnet.
  • the flow rate of the hydromassage jet can be ad­justed by screwing on or off the said cylindrical sleeve with respect to the spherical body 12, wherein the space being formed between the throat of the passage 58 with Venturi tipe and outer wall of the movable nozzle 60 when it is in the operating position of figure 3, and thus the water flow rate through said space are diminished or increased.
  • the spherical body 12 having the movable nozzle 60 inserted thereinto and provided with all the necessary auxiliary parts, such as the check valve 100, the perforate plates 78, the return spring 74 and the small rod or wire 80 is prepared and lastly the cylindrical sleeve 54 is screwed into the axial cylindrical cavity 50 so as to close the spherical body 12.
  • the spherical body 12 is inserted within the hemispherical base 14, taking care of abutting it against the elastic annular packing 88 which in turn in abutted against a shoulder adjacent to a bottom opening 90 of said base and then it is tightened within the base by inserting the an­nular screwed body 92 within its seat and screwing it so as to ensure a permanent connection between the spherical body 12 and the base 14 although a sliding motion betweeen each other is permitted.
  • the assembly comprising the base 14 and the spherical body 12 is in­serted within an opening of a wall 34 of tub or pool, behind which the case 20 has been positioned.

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  • 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)
  • Percussion Or Vibration Massage (AREA)
  • Nozzles (AREA)
EP88116836A 1987-10-12 1988-10-11 Hydromassage-Armatur mit automatischer Schliessvorrichtung Expired - Lifetime EP0311967B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2222187 1987-10-12
IT22221/87A IT1222869B (it) 1987-10-12 1987-10-12 Perfezionata bocchetta per idromassaggio a chiusura automatica

Publications (3)

Publication Number Publication Date
EP0311967A2 true EP0311967A2 (de) 1989-04-19
EP0311967A3 EP0311967A3 (en) 1989-08-30
EP0311967B1 EP0311967B1 (de) 1994-01-05

Family

ID=11193254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88116836A Expired - Lifetime EP0311967B1 (de) 1987-10-12 1988-10-11 Hydromassage-Armatur mit automatischer Schliessvorrichtung

Country Status (5)

Country Link
EP (1) EP0311967B1 (de)
DE (1) DE3886876T2 (de)
ES (1) ES2047522T3 (de)
IL (1) IL88007A0 (de)
IT (1) IT1222869B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3903477A1 (de) * 1989-02-06 1990-08-09 Viegener Ii Fa Franz Mischgehaeuse mit drehbar gelagerter einlassduese fuer whirlpool-wannen
DE3941532A1 (de) * 1989-12-17 1991-06-20 Schuessler Guenter Verfahren zum verschliessen einer hydromassageduese
DE4005197A1 (de) * 1990-02-19 1991-08-22 Ucosan Bv Whirlpoolwanne mit wasserstrahlduese
DE9414238U1 (de) * 1994-09-02 1994-10-27 Altura Leiden Holding B.V., Maastricht Düse
EP1685821A3 (de) * 2005-01-28 2010-01-06 Villeroy & Boch Ag Sanitärwanne
AT521267A4 (de) * 2018-10-02 2019-12-15 Kantor Georg Whirlpooldüse

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT217548Z2 (it) * 1988-12-07 1991-12-19 Jacuzzi Europ Bocchetta di uscita per impianto di idromassaggio
DE3941006A1 (de) * 1989-12-12 1991-06-13 Bernd Kellerberg Whirlpoolduese
IT1249269B (it) * 1991-05-24 1995-02-21 Sea Di Filipponi A E C S N C Bocchetta per idromassaggio
IT228652Y1 (it) * 1992-06-29 1998-05-07 Ideal Standard Spa Ugello perfezionato per l'emissione di una miscela di acqua e aria per idromassaggi, atto ad essere fissato ad una parete di una vasca
US5269029A (en) * 1992-11-02 1993-12-14 B&S Plastics, Inc. Hydrotherapy jet with push-pull flow adjustment
DE4306785C2 (de) † 1993-03-04 2000-08-03 Ucosan Bv Wanne, insbesondere Sanitärwanne, mit Sprudeleinrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168823A2 (de) * 1984-07-17 1986-01-22 Jacuzzi Europe Spa Hydromassagedüse
DE3607788A1 (de) * 1985-04-26 1986-12-04 Günter 6074 Rödermark Schüssler Wasserbecken mit luftsprudelvorrichtung
EP0215514A2 (de) * 1985-09-17 1987-03-25 TEUCO GUZZINI S.r.l. Badewanne mit verbesserter Einwicklung zur Hydromassage
WO1988001858A1 (en) * 1986-09-10 1988-03-24 Schuessler Guenter Hydro-massage nozzle for generating air bubbles in a water basin
EP0268050B1 (de) * 1986-10-17 1991-11-06 Ucosan B.V. Reinigungseinrichtung für das Rohrleitungssystem einer Whirlpool-Wanne sowie Austrittsventil für Whirlpool-Wanne

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168823A2 (de) * 1984-07-17 1986-01-22 Jacuzzi Europe Spa Hydromassagedüse
DE3607788A1 (de) * 1985-04-26 1986-12-04 Günter 6074 Rödermark Schüssler Wasserbecken mit luftsprudelvorrichtung
EP0215514A2 (de) * 1985-09-17 1987-03-25 TEUCO GUZZINI S.r.l. Badewanne mit verbesserter Einwicklung zur Hydromassage
WO1988001858A1 (en) * 1986-09-10 1988-03-24 Schuessler Guenter Hydro-massage nozzle for generating air bubbles in a water basin
EP0268050B1 (de) * 1986-10-17 1991-11-06 Ucosan B.V. Reinigungseinrichtung für das Rohrleitungssystem einer Whirlpool-Wanne sowie Austrittsventil für Whirlpool-Wanne

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3903477A1 (de) * 1989-02-06 1990-08-09 Viegener Ii Fa Franz Mischgehaeuse mit drehbar gelagerter einlassduese fuer whirlpool-wannen
DE3941532A1 (de) * 1989-12-17 1991-06-20 Schuessler Guenter Verfahren zum verschliessen einer hydromassageduese
DE4005197A1 (de) * 1990-02-19 1991-08-22 Ucosan Bv Whirlpoolwanne mit wasserstrahlduese
DE9414238U1 (de) * 1994-09-02 1994-10-27 Altura Leiden Holding B.V., Maastricht Düse
EP1685821A3 (de) * 2005-01-28 2010-01-06 Villeroy & Boch Ag Sanitärwanne
AT521267A4 (de) * 2018-10-02 2019-12-15 Kantor Georg Whirlpooldüse
AT521267B1 (de) * 2018-10-02 2019-12-15 Kantor Georg Whirlpooldüse
EP3632398A1 (de) 2018-10-02 2020-04-08 Georg Kantor Whirlpooldüse

Also Published As

Publication number Publication date
IT1222869B (it) 1990-09-12
EP0311967B1 (de) 1994-01-05
DE3886876D1 (de) 1994-02-17
EP0311967A3 (en) 1989-08-30
IL88007A0 (en) 1989-06-30
DE3886876T2 (de) 1994-04-28
ES2047522T3 (es) 1994-03-01
IT8722221A0 (it) 1987-10-12

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