US3591872A - Whirlpool apparatus for bathtub - Google Patents
Whirlpool apparatus for bathtub Download PDFInfo
- Publication number
- US3591872A US3591872A US793021*A US3591872DA US3591872A US 3591872 A US3591872 A US 3591872A US 3591872D A US3591872D A US 3591872DA US 3591872 A US3591872 A US 3591872A
- Authority
- US
- United States
- Prior art keywords
- bathtub
- drain opening
- water
- nozzle
- pump
- 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.)
- Expired - Lifetime
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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
- A61H33/60—Components specifically designed for the therapeutic baths of groups A61H33/00
- A61H33/6068—Outlet from the bath
- A61H33/6073—Intake mouths for recirculation of fluid in whirlpool baths
- A61H33/6078—Combined with waste outlets
-
- 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
-
- 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
- A61H2033/022—Bathing devices for use with gas-containing liquid, or liquid in which gas is led or generated, e.g. carbon dioxide baths with control means for regulating the air volume aspirated by a water jet
-
- 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
-
- 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
- Y10S261/75—Flowing liquid aspirates gas
Definitions
- the apparatus includes a pump, located in a remote point, having a conduit means coupled to the normal drain of the bathtub, for receiving water from the bathtub via the drain, raising the water pressure and for reapplying the withdrawn water under pressure through the same drain.
- a unitary nozzle apparatus may be inserted into the drain of the bathtub whenever whirlpool action is desired and this unitary structure includes means for feeding air for venturi action into the nozzle structure for bubbling" the water emitted through the nozzle.
- the invention provides a so-called unitarynozzle structure which is easily and readily mounted in the drain hole of the bathtub whenever therapeutic whirlpool activity is desired and which is easily and readily removed from the drain hole so that the bathtub will be returned to its original, conventional shape and provide no hindrances whatever, either at the drain hole or at any other location within the bathtub, so that the bathtub may be used for normal or conventional functions thereafter. 4
- a whirlpool or therapeutic bath may be employed for medical and other reasons, i.e., for therapeutic message in the treatment or relief of sore muscles, rheumatic or arthritic conditions, and other medical or health-improving effects.
- Complicated structures have heretofore been proposed and offered for sale for converting a residential bathtub into an apparatus for circulating the water in the bathtub to create desired whirlpool activity for therapeutic and other effects.
- Prior apparatus for this purpose involved making permanent changes and additions in the physical structure of the bathtub so that the bathtub would be provided with permanent, irremovable barriers and hazards which confined the user and which the user had to avoid for normal bathing purposes.
- prior proposed equipments prior proposed equipments.
- Another of the objects of this invention resides in the con struction and organization of the apparatus of this invention provided for whirlpool activity within a conventional bathtub, so that only a small but significant part or unit of the apparatus may be inserted into the bathtub when whirlpool service is desired. It is important that the bathtub may be prepared for whirlpool activity with a minimum of effort and that, upon completion of the use of the apparatus, the unit may be easily removed by the user to return the bathtub to its conventional shape for its typical uses without any impediments whatever.
- a further object of this invention is to draw water from the bathtub through its drain hole, to feed the same water under pressure through the same drain hole into the bathtub and to aerate the water as it is supplied through a nozzle structure coupled to the drain hole so as to generate the whirlpool activity.
- the nozzle structure should be so organized and arranged that, when the nozzle equipment is removed from the inner side of the bathtub at the end of the whirlpool activity interval, the bathtub will be fully returned to and maintained in its conventional shape and not provide any hazards or impediments for the normal use of the bathtub thereafter.
- a further object of this invention resides in providing a permanently fixed pump beyond the confines of the bathtub and a removable aerated nozzle structure to be fitted to and coupled with the drain hole of a conventional bathtub, so that the pump will receive water only from the drain hole, return the same water under pressure only through the same drain hole and feed the same pressurized water to the nozzle structure along with a controllable supply of air so as to whirl the bubbled water through the bathtub for therapeutic or other acmen.
- a special feature of the nozzle structure of this invention provides that it may be easily and quickly inserted as a single unit into the drain hole only when whirlpool activity is desired and it may be easily and quickly removed when thewhirlpool activity is no longer needed.
- Another special feature of the unitary nozzle structure and the related equipment of this invention provides that it may be inserted in or removed from the drain hole without tools, and when the unit is removed, the bathtub structure will be immediately restored to its original, conventional shape unencumbered by any barrier or hindrance so that the bathtub user will be free to use the bathtub for bathing or showering purposes without any hazard whatever.
- An added and important feature of this invention is the provision of means -to prevent water fed from the bathtub through the pump and pressurized thereby from reentering the bathtub when the nozzle structure has been removed from the drain hole. This feature obviates any disturbance of the user caused by the surprising or shocking experience of viewing a pressurized stream of water moving toward and directed at the ceiling and, in many cases, damaging the bathroom ceiling or walls.
- FIG. ll illustrates part of a conventional bathtub and part of the added apparatus which is to be combined with the bathtub for providing therapeutic or whirlpool service;
- FIG. 2 shows another embodiment, partly in section, illustrating the interrelationship of some of the components of the therapeutic or whirlpool apparatus to the conventional bathtub proper;
- FIG. 3 shows a side view of the whirlpool nozzle assembly unit which is to be inserted into the conventional drain hole of the conventional bathtub when therapeutic or whirlpool service is to be provided;
- FIG. 4 shows, in its subdivisions 4a, 4b and 4c, the structure of the drain plug fillerunit which may be inserted into the conventional bathtub drain hole when whirlpool service is not desired, but which is to be removed when the whirlpool service is to be made available;
- FIG. 5 shows the electrical circuitry which is a part of this invention and is used for time-controlled whirlpool service
- FIG. 6 shows a perspective of some of the essential components of this invention.
- FIG. 7 shows a sectional view of the ell connector mechanism when viewed along lines 7-7 of FIG. 1;
- FIG. 8 illustrates a sectional view of the ell connector mechanism when viewed along lines 8-8 of FIG. 7;
- FIG. 9 depicts another view of the ell connector mechanism when observed along lines 99 of FIG. 7;
- FIGS. 10 and 11 show sectional views of alternative forms of the ell connector mechanism as seen along lines 10-40 of FIG. 8;
- FIG. 12 illustrates a front view of the nozzle structure unit shown in FIG. 1;
- FIG. 13 illustrates a lateral view, partly in section, of the nozzle structure unit
- FIG. 14 shows a top plan view of the nozzle component.
- the bathtub is designated 10 and is a conventional bathtub the bottom of which is designated 11.
- the bathtub l0 is one that is available in many models. it embodies a typical drain opening or hole l2 which is to be fluidically coupled to a water pump M of any well-known type; and the pump lll is fluidically connected or coupled to the drain opening 212 by means of two separate paths each of which may be mechanically flexible.
- One of the paths includes a pipe system in which feeds water from the drain opening 112 to the pump M and the other of which is connected by means of a pipe system 18 to the pump 14 for returning the same water, raised in pressure by the pump, to the bathtub llll through the same drain opening 12.
- the drain opening 112 is used both for supplying water from within the bathtub Hill to pump 114i and also for allowing pressurized water to reenter the bathtub 10.
- the water reentering the bathtub will be employed for whirlpool activity as will be described hereinafter, and the same water will be recirculated again and again for the whirlpool activity.
- water of a sufficient volume and temperature, previously fed to the bathtub ill will serve as the fluid medium for the whirlpool service.
- a unitary, easily removable and transportable nozzle structure l9 including a nozzle 26 which is coupled to the drain opening 112 by means of a pipe 861 extending to and insertable in the drain opening T2 in the bottom ill of the bathtub W.
- the unitary nozzle structure 19 also includes an air pipe 22 through which air is supplied to the nozzle to be aspirated with the water to be discharged through the nozzle 20 into the bathtub W. Water so aspirated yields air bubbles" as it is emitted from the nozzle 2% and transported throughout its swirling flow within the bathtub lllll. As shown more clearly in FIGS.
- water fed into the bathtub 10 may be controlled by a knob or handle 24 which, when rotated by hand, changes the position of a butterfly valve 26 by any desired amount.
- the position of the butterfly valve 26 controls not only the rate of flow of the water but also its pressure and, in addition, the amount of aspiration delivered to the water entering the bathtub Ml.
- the upper end of the air pipe 22 is fitted with a manipulatable knob 30 which fits over openings or vents designated 32 within the upper end of the air pipe 22.
- a manipulatable knob 30 which fits over openings or vents designated 32 within the upper end of the air pipe 22.
- the mechanism for opening or closing the drain opening T2 of the bathtub llll may include a pipe as, a controllable knob or handle 38, and a special ell connector system dill which is preferably located beneath the bottom ll of the bathtub it).
- a pipe as, a controllable knob or handle 38, and a special ell connector system dill which is preferably located beneath the bottom ll of the bathtub it).
- manipulation of the handle or knob 38 controls the vertical disposition of appended linkages 39 of any well-known type which in turn control the vertical position or displacement of a seal plug dll.
- the seal plug dll When the seal plug dll is raised in response to a movement of knob 38, water in the bathtub Ml will be released and discharged through the ell connection system dill to the tube or pipe 435 leading to the sewer system.
- the pump M is vented by means ofa pipe 34.1Pipe 34 is employed primarily for removing air from the pump lid in order to prime the pump so that it may readily act upon the incoming water fed through the drain opening to the pump through pipe system 116.
- Air discharged from the pump M through pipe 34 will flow through an opening 35 (see PM]. 2) at the upper end of pipe 36 and be released into the bathroom via the usual openings around escutcheon 37.
- A. small amount of water, perhaps a pint of water per minute, will also be pumped by pump 14 through pipe 34 toward the bathtub W. This small volume of water will be discharged through the overflow pipe 3t and through pipe l3 into the sewer system.
- a small diameter orifice in the housing of the pump ll may be employed to restrict the amount of this flow through the vent pipe 34 ⁇ .
- the ell connector system All) and the nozzle structure 119 are arranged, in accordance with this invention, so that the pipe fill of the nozzle structure 119, which is insertable in and coupled to the drain opening H2 of the bathtub lit to the nozzle 20, is always positioned so that it is below the lower level 11 ll of the bathtub when the whirlpool system is in use.
- This pipe fill is shown in H0. 2.
- This feature serves to prevent the formation of a water jet which is directed toward the ceiling or walls and, at the same time, the bathtub user cannot be startled.
- the ell-shaped connector 40 with its drainage hole as at its bottom (alternative drainage holes are shown in H68. 10 and ill provides complete drainage of the water within the bathtub lltl through the drain opening 112 into the sewer connection established by pipe 43. Hence, contaminated water within the bathtub will not remain in the bathtub for the next use of the bathtub. This is a health and safety feature.
- tiller plug 7b is insertable into the drain opening l2 whenever the bathtub Ml is to be used for normal bathing purposes and not for whirlpool activity.
- the filler plug '7ll is specially contoured and arranged so that it need not be removed when the bathtub 10 is to be drained of its water.
- the filler plug 70 as shown in H6. l, is provided with adequate lateral openings "Ill and 72, which are sufficient to bypass and release the water from the bathtub 310 into the ell connector system 49 and the leadout pipe 43.
- the filler plug 70 is easily removable from the bathtub l whenever desired so that the nozzle structure equipment 19, as shown in FIG. 1, may be inserted into the drain opening 12 for the whirlpool service.
- the nozzle unit 19 is inserted into the drain opening 12 or removed therefrom whenever desired merely by a simple vertical displacement or movement.
- This nozzle unit 19 is readily applicable to conventional bathtubs.
- the bathtub requires no physical change to accommodate the nozzle mechanism 19. This is an important feature in that it makes the mechanism for whirlpool activity an important accessory easily available for use in the bathtub proper at all desired times without interfering with or adversely affecting the normal bathtub functions.
- FlG. 5 shows the electrical mechanism that may be employed for the operation and control of the whirlpool apparatus.
- FlG. 5 includes a timer switch 54, a transformer 60 and a relay 62 which are coupled to a conventional power supply 65 which may be any 120 -volt AC source of voltage.
- the timer switch 54 may be independently mounted or, if desired, it may be included in a console unit which will also include a solenoid valve 50 together with another timer switch 52, as shown in FIG. 5, all of which are housed in a common housing 56 whenever a timed solenoid control mechanism is desired.
- the primary winding 90 of the transformer 60 is shown connected directly into the AC source 65.
- the secondary winding 92 of the transformer 60 feeds current through the winding of relay 62 and through the timer switch 54, so that the timer switch 54, when actuated, will supply sufficient voltage to the winding of the relay 62, This will cause the relay 62 to operate and remain operated for a period of time determined by the timer switch 54.
- the armature of relay 62 will close the circuit of the motor of pump 14, whereupon the pump 14 will be operated in a conventional manner with current supplied to its motor by source 65.
- the pump 14 will then be activated to feed water through the interconnected piping and drain opening 12 to the nozzle 20, as previously described, thereby feeding aerated water into the bathtub through nozzle 20 for a period of time determined by the positioning and adjustment of the timer switch 54.
- the user will manipulate the timer switch 54 to fix and limit the time factor. For medical reasons, a predetermined maximum interval may be tolerated for any particular individual. In some cases, to 30 minutes may be tolerated.
- the wiring of the transformer 60 and relay 62 together with the mechanism for the timer switch 54 are arranged solely for safe low voltage operation such, for example, as 24 volts.
- the 24-volt value may be slightly raised or it may be lowered to l2 volts or even to a lower value.
- Such a low voltage in the wiring is an important safety feature.
- the low current through the relay winding 62 which may be ofthe order of 0.1 ampere, is an additional safety feature of this invention.
- Such low-current transmission cannot produce a hazardous or dangerous condition for a bather. While low voltage and low current are salient features and their values have been specified for illustration, obviously these values of voltage and current are readily changeable as may be desired without sacrificing the feature of safety.
- Apparatus for producing whirlpool action in a conventional bathtub without modifying its drain opening or any of the other internal structure of the bathtub comprising a pump having an inlet fluidically coupled directly to the drain opening of the bathtub for receiving water from the bathtub through the drain opening and having an outlet for returning the water under pressure to the bathtub through the drain opening, and a nozzle structure having a pipe slidably insertable into and coupled to the drain opening for feeding pressurized water received from the pump outlet through the drain opening and into the bathtub, said nozzle structure including means for simultaneously mixing air with the received water as it is fed through the nozzle structure to the bathtub, the bathtub being returned to its conventional unmodified shape, without any physical impediments at the drain opening or at any other internal parts of the bathtub, upon the uncoupling and slidable removal of the nozzle structure from the drain opening of the bathtub.
- Apparatus for producing whirlpool action in a conventional bathtub including means responsive to the removal of the nozzle structure from the drain opening for preventing water delivered by the pump from being forcibly fed back into the bathtub through the drain opening to create a spray or trajectory stream therethrough.
- Apparatus for producing whirlpool action in a conventional bathtub including an ell connector system mounted below the drain opening of the bathtub and coupled to the pump by two unidirectional conduits one for feeding water to the pump and the other for returning pressurized water from the pump to the drain opening, the ell connector system being so shaped as to apply suction to the water delivered by the pump to prevent the water from being forcibly fed to the bathtub through the drain opening to produce a trajectory stream when the nozzle structure is removed from the drain opening.
- nozzle structure includes a nozzle to which water is fed from the drain opening of the bathtub and to which air is separately fed to be mixed with the water by venturi action.
- Apparatus for producing whirlpool action in a conventional bathtub including an electrical power supply system for operating the pump and an electrical timing mechanism for controlling the interval during which the whirlpool action is performed, the voltage to which the user is exposed not exceeding 24 volts and the current not exceeding one-half ampere.
- a unitary nozzle structure for providing whirlpool action to a conventional bathtub without modifying its drain opening or any of the other internal structure of the bathtub comprising a nozzle, a first pipe which is connected to the nozzle and the other end of which is slidably insertable into and coupled to the drain opening at the bottom of the bathtub for receiving pressurized water transmitted through the drain opening and supplying the received water to the nozzle and into the bathtub, a second pipe connected to the nozzle for feeding air to the nozzle, and means for simultaneously mixing, by venturi action, the air and the water supplied to the nozzle, the first pipe being slidably inserted into and coupled to the drain opening only when whirlpool action is desired and being removed therefrom when whirlpool is no longer desired, a second pipe located outside the bathtub and fluidically coupled to the drain opening to discharge water from the bathtub via the drain opening, the slidable removal and uncoupling of the first pipe returning the bathtub to its conventional configuration without any physical barrier or obstruction in or at the drain opening or at any other point within
- a unitary nozzle structure according to claim 6 including means coupled to the second pipe to control the amount of air fed through the nozzle.
- a unitary structure according to claim 7 including means built into the nozzle and coupled to the first pipe for simultaneously controlling the amount of water as well as the amount of air mixed with each other and transmitted through the nozzle.
- Apparatus for producing whirlpool action in a conventional bathtub without modifying its drain opening or any of the other internal structure of the bathtub comprising a pump located outside the bathtub and fluidically coupled to the drain opening in the base of the bathtub for receiving water from the bathtub through the drain opening and returning the water under pressure through the drain opening, an ell connector structure positioned underneath the base of the bathtub and coupled between the drain opening and the pump by two unidirectional conduits one of which includes a fluidic coupling to the drain opening and feeds water from the bathtub to the pump through the drain opening and the other includes a conduit and returns pressurized water from the pump to the bathtub through the drain opening, a removable nozzle structure having a pipe which is insertable into and coupled to the drain opening within the bathtub whenever whirlpool action is desired and is removable and uncoupled from the drain opening when whirlpool action is not desired, the ell connector device being so shaped that, when the nozzle structure is removed from the drain opening, the pressurized water returned by the pump to the drain opening cannot forcibly
- Apparatus for producing whirlpool action in a conventional bathtub including mechanism coupled to the nozzle structure for limiting the time interval during which whirlpool action is supplied.
- Apparatus for producing whirlpool action in a conventional bathtub including means in the nozzle structure for mixing air with the water supplied to the nozzle structure through the drain opening.
- Apparatus for producing whirlpool action in a conventional bathtub according to claim 9, in which the nozzle structure includes means for receiving water supplied to the drain opening and air to be mixed with the received water and combining the air and water by venturi action.
- Apparatus for producing whirlpool action in a conventional bathtub including means to limit the time during which whirlpool action is produced.
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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)
- Massaging Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79302169A | 1969-01-22 | 1969-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3591872A true US3591872A (en) | 1971-07-13 |
Family
ID=25158836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US793021*A Expired - Lifetime US3591872A (en) | 1969-01-22 | 1969-01-22 | Whirlpool apparatus for bathtub |
Country Status (7)
Country | Link |
---|---|
US (1) | US3591872A (nl) |
BE (1) | BE739779A (nl) |
CA (1) | CA944903A (nl) |
DE (1) | DE1948560A1 (nl) |
FR (1) | FR2025336A5 (nl) |
GB (1) | GB1282648A (nl) |
NL (1) | NL7000930A (nl) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3805772A (en) * | 1971-11-08 | 1974-04-23 | T Mickelson | Hydrotherapeutic apparatus |
US4233694A (en) * | 1979-01-22 | 1980-11-18 | Jacuzzi Whirlpool Bath, Inc. | Spa construction and isolated controls therefor |
US4630599A (en) * | 1986-01-31 | 1986-12-23 | Unidyne, Inc. | Hydromassage apparatus |
US4763366A (en) * | 1986-02-18 | 1988-08-16 | Honiton Investments, N.V. | Combined drain and return line and valve therefor |
US4947494A (en) * | 1986-02-18 | 1990-08-14 | Honiton | Valve for combined drain and return line |
US20070136943A1 (en) * | 2005-12-20 | 2007-06-21 | Long Christopher L | Water jet mechanism for whirlpool effect in pedicures or other applications |
US9775772B2 (en) | 2015-03-03 | 2017-10-03 | Kohler Co. | Whirlpool bathtub and purging system |
US11725373B2 (en) | 2019-12-14 | 2023-08-15 | Kohler Co. | Drain system for bathtub |
US11906990B2 (en) | 2018-07-25 | 2024-02-20 | Kohler Co. | Water level detection via pressure sensing device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2209056C3 (de) * | 1972-02-25 | 1982-01-21 | Speck-Pumpen Verkaufsgesellschaft Karl Speck KG, 8500 Nürnberg | Vorrichtung zur Erzeugung einer Wasserströmung in einem Schwimmbecken |
GB2159404B (en) * | 1984-07-21 | 1987-06-17 | John Theophilus Brueton | Hydrotherapy apparatus |
GB2177596B (en) * | 1984-08-08 | 1988-06-08 | Aquatech Marketing Ltd | Improvements relating to spas or whirlpool baths |
DE8590112U1 (de) * | 1984-08-08 | 1986-11-06 | Aquatech Marketing Ltd., Newbury, Berkshire | Badewanne |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US311149A (en) * | 1885-01-20 | Chimney for dwelling-houses | ||
US3159849A (en) * | 1963-03-15 | 1964-12-08 | Jacuzzi Bros Inc | Hydrotherapy equipment |
US3213889A (en) * | 1963-09-30 | 1965-10-26 | Ric Wil Inc | Pipe support |
US3287741A (en) * | 1964-05-21 | 1966-11-29 | Jacuzzi Bros Inc | Hydrotherapy equipment |
US3319266A (en) * | 1965-06-29 | 1967-05-16 | Richard C Schneider | Therapeutic bath fluid circulating device |
US3345982A (en) * | 1964-09-16 | 1967-10-10 | Sta Rite Products Inc | Drain mounted hydrotherapeutic apparatus for bathtub |
US3452370A (en) * | 1968-03-26 | 1969-07-01 | Jacuzzi Research Inc | Hydromassage installation |
US3474469A (en) * | 1965-10-24 | 1969-10-28 | Douglas C Steltz | Low voltage conversion unit |
-
1969
- 1969-01-22 US US793021*A patent/US3591872A/en not_active Expired - Lifetime
- 1969-09-25 DE DE19691948560 patent/DE1948560A1/de active Pending
- 1969-10-02 BE BE739779D patent/BE739779A/xx unknown
- 1969-10-30 FR FR6937287A patent/FR2025336A5/fr not_active Expired
- 1969-11-10 CA CA067,053A patent/CA944903A/en not_active Expired
-
1970
- 1970-01-19 GB GB2455/70A patent/GB1282648A/en not_active Expired
- 1970-01-22 NL NL7000930A patent/NL7000930A/xx unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US311149A (en) * | 1885-01-20 | Chimney for dwelling-houses | ||
US3159849A (en) * | 1963-03-15 | 1964-12-08 | Jacuzzi Bros Inc | Hydrotherapy equipment |
US3213889A (en) * | 1963-09-30 | 1965-10-26 | Ric Wil Inc | Pipe support |
US3287741A (en) * | 1964-05-21 | 1966-11-29 | Jacuzzi Bros Inc | Hydrotherapy equipment |
US3345982A (en) * | 1964-09-16 | 1967-10-10 | Sta Rite Products Inc | Drain mounted hydrotherapeutic apparatus for bathtub |
US3319266A (en) * | 1965-06-29 | 1967-05-16 | Richard C Schneider | Therapeutic bath fluid circulating device |
US3474469A (en) * | 1965-10-24 | 1969-10-28 | Douglas C Steltz | Low voltage conversion unit |
US3452370A (en) * | 1968-03-26 | 1969-07-01 | Jacuzzi Research Inc | Hydromassage installation |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3805772A (en) * | 1971-11-08 | 1974-04-23 | T Mickelson | Hydrotherapeutic apparatus |
US4233694A (en) * | 1979-01-22 | 1980-11-18 | Jacuzzi Whirlpool Bath, Inc. | Spa construction and isolated controls therefor |
US4630599A (en) * | 1986-01-31 | 1986-12-23 | Unidyne, Inc. | Hydromassage apparatus |
US4763366A (en) * | 1986-02-18 | 1988-08-16 | Honiton Investments, N.V. | Combined drain and return line and valve therefor |
US4947494A (en) * | 1986-02-18 | 1990-08-14 | Honiton | Valve for combined drain and return line |
US20070136943A1 (en) * | 2005-12-20 | 2007-06-21 | Long Christopher L | Water jet mechanism for whirlpool effect in pedicures or other applications |
USRE45844E1 (en) | 2005-12-20 | 2016-01-19 | Lexor, Inc. | Water jet mechanism for whirlpool effect in pedicures or other applications |
USRE46655E1 (en) | 2005-12-20 | 2018-01-02 | Lexor, Inc. | Water jet mechanism for whirlpool effect in pedicures or other applications |
US9775772B2 (en) | 2015-03-03 | 2017-10-03 | Kohler Co. | Whirlpool bathtub and purging system |
US10071018B2 (en) | 2015-03-03 | 2018-09-11 | Kohler Co. | Whirlpool bathtub and purging system |
US11906990B2 (en) | 2018-07-25 | 2024-02-20 | Kohler Co. | Water level detection via pressure sensing device |
US11725373B2 (en) | 2019-12-14 | 2023-08-15 | Kohler Co. | Drain system for bathtub |
Also Published As
Publication number | Publication date |
---|---|
FR2025336A5 (nl) | 1970-09-04 |
CA944903A (en) | 1974-04-09 |
DE1948560A1 (de) | 1970-07-30 |
BE739779A (nl) | 1970-03-16 |
NL7000930A (nl) | 1970-07-24 |
GB1282648A (en) | 1972-07-19 |
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