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Publication numberUS3905358 A
Publication typeGrant
Publication dateSep 16, 1975
Filing dateMar 18, 1974
Priority dateMar 18, 1974
Publication numberUS 3905358 A, US 3905358A, US-A-3905358, US3905358 A, US3905358A
InventorsJacuzzi Virgil
Original AssigneeJacuzzi Bros Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Hydro-air fitting
US 3905358 A
Abstract
A hydrotherapy nozzle is swivelably mounted in a ball joint for universal adjustment and is also continuously adjustable axially. A air inlet tube has a port disposed in alignment with the axial center of the nozzle throat. A water inlet receives a supply of liquid from a pressurized source and directs a stream of water around the inlet tube and into the swivelably mounted nozzle to entrain a supply of air from the port to form an enhanced stream of treatment fluid. The axial spacing adjustment between the inlet port and the nozzle throat is selectively variable.
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Description  (OCR text may contain errors)

United States Patent [191 Jacuzzi Sept. 16, 1975 HYDRO-AIR FITTING Primary ExaminerLawrence W. Trapp [75] Inventor. Vll'gll Jacuzzi, lsllngton, Canada Attorney g or Firm Hm Gross p Va" [73] Assignee: Jacuzzi Br0s., Incorporated, Little Santen, steadmam chiara 8L Simpson Rock, Ark 22 Filed: Mar. 18, 1974 [57] ABSTRACT A hydrotherapy nozzle is swivelably mounted in a ball [2]] Appl' 451306 joint for universal adjustment and is also continuously adjustable axially. A air inlet tube has a port disposed [52] Cl 12 130 in alignment with the axial center of the nozzle throat. 5 [1 Int. cl. A6lH 9/00; A47K 3/00 A water inlet receives a Supply of liquid from a P [58] n w f Search 12 4 7 1 0 surized source and directs a stream of water around the inlet tube and into the swivelably mounted nozzle [56] References Cited to entrain a supply of air from the port to form an en UNITED STATES PATENTS hanced stream of treatment fluid. The axial spacing 3 336 92] 8/l967 Lloyd 28/66 adjustment between the inlet port and vthe nozzle 3:540:438 12/1968 Jacuzzi 128/66 throat selecmely Vanable' 3.672.359 6/1972 Krohn 128/66 12 Claims, 4 Drawing Figures HYDRO-AIR FI'ITINt.

BACKGROUND OF THE INVENTION I. Field of the Invention This invention relates to improvements in fittings used to combine air with pressurized water streams in swimming pools and baths. for aeration. hydrotherapy. hydromassage. and like purposes.

2. Description of the Prior Art The prior art is exemplified by the US. Pat. No. 3,297,025 to Candido Jacuzzi. wherein a stream of water is introduced under pressure into the center of a nozzle submerged in a pool or bath of water. Air inlet zones about the periphery of the nozzle are connected to atmosphere and serve to draw air by venturi action into the stream of water. The air emerges from the nozzle as bubbles within the stream of water. to provide aeration to the body of water or a vigorous massage of the body of a bather. The prior art has also provided means to vary the direction of flow by use of a ball joint at the base of the nozzle. and simultaneously to vary the force or volume of the flow by reducing the size of the water inlet by moving the nozzle along its own axis and on helical threads against a seat provided.

SUMMARY OF THE INVENTION In accordance with this invention, an air inlet port is placed in the axial center of a pressurized stream of wa ter, such as that provided by a filter return inlet on a swimming pool or by a whirlpool bath device. Air is thereby entrained into the water flow. forming bubbles in the stream. Flow direction and water volume control capabilities are also provided. Reversal of the radial positions of the air and water inlets from the prior art pro duces surprising and unexpected improvement in performance in several respects. including reduction of noise produced by the fitting (by absorption of the air water mixing sounds by the water flow surrounding the air inlet]. achieving more uniformly small bubbles of air with better bubble distribution through the water stream. and improvement in air and water flow characteristics. The device disclosed is also simpler to manufacture than the prior art fittings. requiring less complex dies and molds.

Particular features and characteristics of one embodiment of the present invention include use of a cylindrical nozzle having on its interior an axially con verging-diverging crosssection. Helical threads on the inlet end ofthe nozzle in screw engagement with corresponding threads in a ball joint cause the nozzle to move inward or outward from the ball joint with inanual axial rotation of said nozzle. A ball segment supports the nozzle by screw threads as stated and is itself supported within seal rings attached to the body ofthe assembly in a manner allowing the ball segment to swivel within a cone about the center-line of the assembly but not to rotate about its own axis in response to rotation ofthe nozzle. At the end of said body opposite the nozzle outlet is a connection by which pressurized water may be introduced into the assembly. At the top side ofthe body upstream of the seal rings and balljoint is an air inlet connection. An air inlet port communi eating with the air inlet connection projects therefrom into the interior of the body The air inlet port comprises a cylindrical tube located longitudinally along the ccntcr-line ol the assembly and a vertical portion fixing the tube to the inlet connection. The tube is closed at the upstream end. while the downstream end is open and is located at the center of the ball joint. When the no/zle is screwed into the ball segment the air inlet tube will close oft the flow of water from the connection at the rear of the body. regardless of any swivel of the ball joint from the center-line of the as sembly. If desired. the air induction tube is provided with a spherical segment on its periphery near the port end. thereby to seal off How completely against the tapered throat ot the nozzle and achieving selective cessation of flow in any direction the nozzle may be placed.

By this structure water flowing between the connec tion at the rear of the body through the nozzle entrains air at the center of the stream and mixes turbulently with it in passing through the nozzle. forming fine bubbles of even distribution throughout the stream. The nozzle may be swiveled in any direction within a cone about the center-line of the assembly without affecting the volume offlow, and the nozzle may be screwed into the assembly to reduce the volume flow of water or to shut it off entirely at any swiveled position.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. I is a cross sectional view through the assembly from one side;

FIG. 2 is a view from the front of the assembly;

FIG. 3 is a partial view of an alternative mounting flange arrangement on the line of section 33; and

FIG. 4 is a view similar to FIGv I but showing the air induction tube with a spherical segment.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings. a hollow body is shown generally at II) which may conveniently be formed or cast in one piece of any suitable material. It includes a rear portion II in which is formed a water connection sleeve I2 which communicates to a source of pressurized water which may include a water pump shown diagrammatically at P or swimming pool filter system. An air inlet sleeve or coupling 13 is shown atop the rear portion II of the body II). which communicates via a tube or pipe I4 to atmosphere. the end [5 of the tube being located higher than the level 16 of water in the pool or bath in which the assembly is employed. It will be appreciated. oicourse. that the tube could rise above If) and then fall below In which would keep the pool from siphoning when the unit is not in operation.

In accordance with this invention. there is provided inwardly of the air inlet sleeve or coupling [3 an air inlet or air induction tube shown generally at I7 and formed as an integral part of the body It). The tube includes a vertical cylindrical portion I8 and a longitudi nal or horizontal tube portion 19. The tube portion 19 is cylindrical in cross section and is disposed to be co axial with the center-line 20 of the body. The vertical tube I8 and the horizontal tube 19 together with one another form an angled air inlet passage A. the point of juncture between the two tubes being indicated at 21. The end of the horizontal tube I9 is open to form a port 22 to allow entrainment ol'the air within the port, at 23. by water streaming past the tube. A step 24 may be formed about the periphery of the tube portion I9 and provides a spoiler to disrupt any even or laminar flow of water about the air inlet port 17 and ensure that said flow is turbulent as it passes the air inlet port 22. The

end 22 of the air inlet tube i7 is located longitudinally near the spherical center of a ball segment 25.

The ball segment 25 has a spherical outer surface 26 and a cylindrical inner surface 27. Two seal rings 28 and 29 support the hall segment 25 and fix its longitudinal position within the body 10 and substantially prevent leakage of water from the rear of the body 30 to the front part 3] around the ball 25. The seal rings 28 and 29 may be of Teflon or other material which can serve both sealing and bearing functions. The rear seal 28 may be fitted into a shouldered cylindrical base 32 in the body 10 while the front seal 29 may be spaced from seal 28 and retained in its position by a retaining flange 33. That flange is shown secured to the body 10 by screws 34, 34 threaded into the body; bosses 35, 35 may be provided in the body to receive and reinforce the corresponding screws. Thus the ball 25 may be fixed longitudinally and rotatably in the body [0 but be free to swivel with respect thereto up to an angle 36 from the center-line 20 of the body in any direction. A stop ring 37 about the forward end of the ball limits further swiveling of the ball away from the center-line 20 by contacting the retaining flange 33 once the angle 36 is achieved in any direction.

A cylindrical nozzle 38 is received at its rearward end 39 in the interior 27 of the ball 25 by means of helical threads 40 and 41 on the exterior surface of the nozzle and in the interior ofthe ball, respectively, thereby permitting the nozzle 38 to be continuously axially adjust able along the length of its own axis. The forward end 42 of the nozzle has a notched knob 43 formed on the exterior surface thereof. which may be of any design suitable for grasping in one hand to facilitate manual axial rotation and pivoting of the nozzle through universal adjustment in the ball segment 25.

The nozzle 38 is open through its axial core for the passage of air and water and has a cylindrical crosssection which generally converges from the rear portion 44 to a minimum cross-section forming a nozzle throat at 45 and thereafter diverges in the downstream direction terminating in a mouth of the nozzle as at 46.

The throat or minimum cross-section 45 is sized to be of a diameter equal to or slightly larger than that of the cross-section of the port 22 of the horizontal tube portion 19 of the air inlet tube 17 and is located longitudinally in the nozzle 38 so that when the end 44 of the nozzle 38 is adjusted towards the rear of the ball segment 25, the horizontal tube I) will progressively close the nozzle throat 45 to the flow of water from the rear 30 of the body.

The front interior part 31 of the body It] is of sufficicnt diameter to allow free moyement ot' the nozzle 38 and its knob 43 through the maximum swivel angle 36 at the fu|ll'lov\ position of the noz/lc. i.c. where the nozzle is maximally extended from the hall segment 25. The front exterior 47 of the body 10 may as shown he formed with flanges for affixing the body in or to the wall of a bath or swimming pool. 11' the body is to be used with a concrctc all 48. a radial flange 49 may be formed about the front c\tcrior 47 of the body to give purchase on the concrete poured around the body. A body 10' for use in a thin all 50 may be formed with a llangc 5| inwardly ol the all 50 and be forced into scaling engagement \xith said wall by means of a nut 52 threaded onto threads 53 on the exterior surface 54 of the front c\tcrior 47 of the body l0. and snuggcd thereby against the wall 50. A sealing washer 55 and (ill sealing gasket 56 may be used between the nut 52 and wall 50 and the wall 50 and flange 56, respectively. to make the connection water tight.

in operation, the assembly may be mounted in the wall of a hydrotherapy bathtub or a swimming pool below the surface of the water for the purpose of ejecting a stream of therapeutic water into the body of water. Water is driven in the form of a stream after first being pressurized by a pumping means and is directed along the axis of the assembly body in the general direction of the nozzle. Because the air tube is disposed on the axis of the nozzle assembly. the water moves at increased velocity past the edges of the radial port and into the throat of the nozzle. By the venturi action thus established. air is drawn through the air inlet tube and is admixed with the stream in copious quantities in the form of fine bubbles. The resultant stream of aerated water is then directed outwardly by the nozzle into the main body of water within the hydrotherapy tub or swimming pool.

The nozzle can be continuously adjusted in axial direction by merely rotating the nozzle in the threaded joint provided by the universal ball joint. thereby axially adjusting the nozzle toward and away from the port in the air inlet tube. There is thus provided a ready and convenient means of flow control.

Further. the nozzle can be universally adjusted by selectively pivotally adjusting the nozzle in the ball joint. thereby redirecting the stream of aerated water in various angular variations relative to the main axis of the nozzle assembly.

In the form of the invention shown in FIG. 4, like ref erence numerals have been applied to like parts for the sake of convenience and it will be understood that said parts and function corresponds with that already described.

The air induction tube of FIG. 4 is identified at 117 and is particularly characterized by a sphere or spherical segment formed on the periphery of its inwardly extending leg [[9 adjacent or near the port end 122 thereof. The sphere or segment 125 is sized to cooperatively engage and seal the adjoining surfaces of the tapered throat 390 of the nozzle 39 if cessation of flow is to be achieved in the sleeve [2 and the passage 123.

Thus. by selectively positioning the nozzle 3) axially, shut-off can be achieved in any angular direction the nozzle may be placed.

Although various modifications might be suggested by those versed in the art. it should be understood that I wish to embody within the scope of the patent warranted hereon all such modifications as reasonably and properly come within the scope of my contribution to the art.

I claim as my invention. 1. The method of aerating a hydrothcrapeutic stream which includes the steps of:

l. at a lirst point in a hydraulic circuit pressurizing a supply of liquid to form a stream. 2. dri\ing the stream at increased clocity along a fixed a\is past a second point in the circuit. 3. spoiling the stream between the first and second points to render the flow of the stream turbulent. 4. admixing air into the center of the stream at said second point in the circuit by flowing the turbulent stream around the edges of a radial air port disposed in the stream at said axis.

5. successively constricting and expanding the flow stream downstream of said second point to mix the air into the water in the form of small bubbles to form an aerated therapeutic stream. and

6. selectively redirecting the aerated therapeutic stream in different directions of angular variation from said axis.

2. A hydrotherapeutic nozzle. comprising:

means forming an axial tlow passage for directing a stream ofliquid from a pressurized source along an axis.

a tubular air means forming a radially disposed air port at the center axis of said axial flow passage.

and a nozzle having a reduced diameter throat disposed between converging and diverging sections of said nozzle about said axis and spaced axially downstream from said air port.

whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid.

3. A hydrotherapeutic nozzle as defined in Claim 2 and further characterized by a ball joint mounting said nozzle for universal move ment around said axis,

whereby said nozzle can be selectively adjusted to vary the direction ot the therapeutic stream in selected adjustments relative to said axis.

4. A hydrotherapeutic nozzle as defined in claim 2 and further characterized by means mounting said nozzle in said ball joint forming continuous axial adjustment means between said nozzle and said ball joint to selectively vary the relative axial position of said tubular air means in said converging section and said air port relative to said reduced diameter throat and consituting a flow control means for selectively varying the amount of liquid flowing through said nozzle.

5. A hydrotherapy nozzle assembly adapted to be mounted in the opening ofa wall of an enclosure, said assembly comprising.

a hollow housing having an open forward end with a periphery adapted to sealingly engage an opening in the enclosure wall and a closed rearward end with a water conduit extending thereinto.

an air inlet tube having a first leg extending into said water conduit and a second leg disposed on the center axis of said water conduit. said second leg of said air inlet tube having a port formed at the end thereof and arranged in generally concentric relation relative to the axis of the passage extending through the water conduit.

a socket ball mounted for unixersal pivoting move ment and having an axially extending bore formed therein.

a nozzle member extending into said bore of said socket ball.

said bore wall of said socket member and said external wall of said nozzle member having continuously adjustable screw threads formed therebetween so that said nozzle may be rotatably adjusted in selected axial positions in said socket ball. said nozzle liming formed therein convergent and divergent passage nit-an \nth a reduced diameter throat thercbc said throat being relatively axially positioned with respect to said port when said nozzle is axially adjusted in said socket ball. thereby to constitute a flow control means for adjusting the flow of fluid from said Water conduit through said nozzle.

the flow of liquid from said conduit through said nozzle acting to entrain and admix air from the air inlet tube into the stream and forming an aerated stream of therapeutic liquid for direction outwardly from said nozzle. said nozzle being pivotally adjusted in universal direction to vary the direction of flow of the therapeutic stream relative to the axis of the water conduit.

6. A hydrotherapy nozzle assembly as defined in claim 5 wherein said nozzle is particularly characterized by a notched knob construction on the front end thereof. thereby to facilitate manipulation 7. A hydrotherapeutic system comprising:

a body of water bounded by a wall on one or more sides thereof, one or more openings in said wall.

a hydrotherapy nozzle assembly in each of said openings and sealingly engaged with said Wall, one or more sources of pressurized water in communications with said openings and said hydrotherapy nozzle assemblies therein,

each otsaid hydrotherapy nozzle assemblies comprising.

means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis.

a tubular air means forming a radially disposed air port at the center axis of said axial flow passage. and a nozzle having a reduced diameter throat on said axis and spaced axially from said air port. whereby the liquid stream flowing past the edges of said air port will entrain air into the stream of liquid to form a stream of aerated therapeutic liquid.

8. A hydrotherapy system as defined in claim 7 and further characterized by a ball joint mounting said nozzle for universal movement around said axis, whereby said nozzle can be selectively adjusted to vary the direction of the therapeutic stream in selected adjustments relative to said axis.

9. A hydrotherapy system as defined in claim 7 and further characterized by means mounting said nozzle in said ball joint forming continuous axial adjustment means between said nozzle and said ball joint. thereby to selectively vary the relative axial position of said nozzle relative to said air port and constituting a flow control means for selectively varying the amount of liquid flowing through said nozzle.

10. A hydrothcrapeutic nozzle comprising;

means forming an axial flow passage for directing a stream of liquid from a pressurized source along an axis.

a tubular air means forming a radially disposed air port at the center axis of said axial flow passage.

and a nozzle having a reduced diameter throat be tween converging and diverging sections of said nozzle about said axis and spaced axially do\\'nstream from said air port.

whereb the liquid stream flowing past the edges ol said air port will entrain air into the stream ol liquid to form a stream of aerated therapeutic liquid. and

means including sphericall shaped means on the peripheral surface of said tubular air means and selectively engagable with said reduced diameter throat of said nozzle to achieve shut-off.

ll. A hydrotherapy nozzle assembly adapted to be mounted in the opening of a wall of an enclosure. said assembly comprising:

a hollow housing having an open forward end with a periphery adapted to sealingly engage an opening in the enclosure wall and a closed rearward end with a water conduit extending thereinto.

an air inlet tube having a first leg extending into said water conduit and a second leg disposed on the center axis of said water conduit, said second leg of said inlet tube having a port formedat the end thereof and arranged in generall concentric relation relative to the axis of the passage extending through the water conduit socket ball mounted for universal pivoting movement and having an axially extending bore formed therein.

nozzle member extending into said bore of said socket ball.

said bore wall of said socket member and said external wall of said nozzle member having contin uously adjustable screw threads formed therebetween so that said nozzle may be rotatably adjusted in selected axial positions in said socket ball. said nozzle having formed therein convergent and divergent passage means with a reduced diameter throat therebetween.

said throat being relatively axially positioned with ltl (it l respect to said port when said nozzle is ax'iall adjusted in said socket ball thereby to constitute a How control means for adjusting the How of lluid from said water conduit through said no//|e the How of liquid from said conduit through said nozzle acting to entrain and admix air from the air inlet tube into the stream and forming an aer ated stream of therapeutic liquid for direction outwardly from said nozzle, said nozzle being pivotally adjusted in universal direction to vary the direction of flow of the therapeutic stream relative to the axis of the water conduit. said second leg of said air inlet tube being formed with sphericall; shaped means adjacent said port on the periphery thereof and being engage-able selectively with said reduced diameter throat for achieving cut-off. 12. A hydrotherapeutic nozzle comprising: means forming an axial flow passage for directing a stream of liquid along an axis; a tubular air means forming a radially disposed air port at the center axis of said axial flow passage; a nozzle having a reduced diameter throat on said axis. whereby the liquid stream flowing past the edges of said port will entrain air into the stream of liquid for admixture with the stream to form a stream of aerated thera peutic liquid; and

means including spherically shaped means on the peripheral surface of said tubular air means and selec tively engageable with said throat of said nozzle to shut off the llow past the edges of said port

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US3336921 *Dec 8, 1964Aug 22, 1967Lloyd William EPortable recirculating hydrotherapy apparatus for bathtub
US3540438 *Dec 23, 1968Nov 17, 1970Jacuzzi Research IncHydro-air jet head assembly
US3672359 *Jul 28, 1970Jun 27, 1972Krohn CharlesWhirlpool bath attachment
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4082091 *Dec 22, 1976Apr 4, 1978Jacuzzi Bros., Inc.Hydro-air fitting
US4119686 *Oct 3, 1977Oct 10, 1978California CooperageHydro-jet fitting for hot tub
US4240166 *Jan 22, 1979Dec 23, 1980Thermasol, Ltd.Whirlpool system
US4261347 *Dec 6, 1979Apr 14, 1981Jacuzzi Bros., Inc.Hydromassage fitting for tubs, spas and pools
US4262371 *Jan 31, 1979Apr 21, 1981Berry Desmond JAir-water outlet fitting
US4264039 *May 21, 1979Apr 28, 1981South Pacific IndustriesAerator
US4320541 *Nov 13, 1979Mar 23, 1982Neenan John SMethod and apparatus for providing a pulsating air/water jet
US4340039 *Jun 19, 1980Jul 20, 1982Sta-Rite Industries, Inc.Hydromassage apparatus
US4358862 *Dec 3, 1980Nov 16, 1982Thermasol, Ltd.Connector assembly for whirlpool system
US4408721 *Feb 23, 1981Oct 11, 1983Jacuzzi Inc.Fitting to combine air and pressurized water
US4422191 *Sep 29, 1982Dec 27, 1983Jope Manufacturing Company Inc.Hydrotherapy jet for tubs, spas or pools
US4456174 *Mar 23, 1982Jun 26, 1984Neenan John SAdjustable pulse jet
US4502168 *Oct 12, 1983Mar 5, 1985Jope Manufacturing Co., Inc.Hydrotherapy jet for tubs, spas or pools
US4508665 *Jun 20, 1983Apr 2, 1985Kdi American Products, Inc.Converting nonpulsator mixer to pulsating; blocking means
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US4839930 *May 27, 1988Jun 20, 1989Watkins Manufacturing CorporationDry hydro-massage unit for a spa tank
US4908888 *Feb 24, 1989Mar 20, 1990Watkins Manufacturing CorporationDry hydro-massage unit
US4926510 *Oct 24, 1988May 22, 1990Watkins Manufacturing CorporationHand held dry hydro-massage unit for a spa
US4941217 *Mar 13, 1989Jul 17, 1990Hayward Industries, Inc.Flow enhancing jet fitting
US4972531 *Jul 13, 1989Nov 27, 1990Gravatt Eugene MJet nozzle assembly for bath tubs
US4982460 *Mar 28, 1989Jan 8, 1991Hayward Industries, Inc.Flow enhancing jet fitting
US4985943 *Sep 8, 1989Jan 22, 1991Hayward Industries, Inc.Two-stage adjustable hydrotherapeutic jet and method
US5003646 *Apr 14, 1987Apr 2, 1991Hydro Air Industries, Inc.Hydrotherapy apparatus
US5095558 *Sep 21, 1990Mar 17, 1992Vortex Whirlpool Systems, Inc.Adjustable orifice spa jet
US6796518 *Sep 25, 2002Sep 28, 2004John H. DouglasMulti-function showerhead filter system
DE3744984A1 *Jul 11, 1987Nov 21, 1991Guenter SchuesslerUnderwater hydraulic massage nozzle
DE3745101C2 *Jul 11, 1987Mar 20, 1997Guenter SchuesslerUnderwater hydraulic massage nozzle
EP0030263A1 *Oct 21, 1980Jun 17, 1981Jacuzzi Inc.Hydrotherapeutic aerator assembly for tubs, spas and pools
EP0733352A2Oct 2, 1995Sep 25, 1996Incon S.A.Hydromassage nozzle with swirlchamber
Classifications
U.S. Classification601/169, 4/559
International ClassificationA61H33/02
Cooperative ClassificationA61H33/027
European ClassificationA61H33/02N
Legal Events
DateCodeEventDescription
Jul 8, 1999ASAssignment
Owner name: JACUZZI INC., CALIFORNIA
Free format text: NUNC PRO TUNC ASSIGNMENT EFFECTIVE AS OF 6-30-98;ASSIGNOR:JACUZZI INC.( A FORMER DELAWARE CORPORATION);REEL/FRAME:010061/0874
Effective date: 19990225
Mar 30, 1999ASAssignment
Owner name: JACUZZI INC., A DELAWARE CORPORATION, CALIFORNIA
Free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNOR:JACUZZI INC., A FORMER DELAWARE CORPORATION;REEL/FRAME:009866/0373
Effective date: 19880402
May 21, 1981ASAssignment
Owner name: JACUZZI INC., 11511 NEW BENTON HIGHWAY, LITTLE ROC
Free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNORS:JACUZZI WHIRLPOOL BATH, INC.;JACUZZI BROS., INC.;REEL/FRAME:003873/0510;SIGNING DATES FROM 19810424 TO 19810508