JPH02291860A - Air bubble generator for bath - Google Patents

Air bubble generator for bath

Info

Publication number
JPH02291860A
JPH02291860A JP11102989A JP11102989A JPH02291860A JP H02291860 A JPH02291860 A JP H02291860A JP 11102989 A JP11102989 A JP 11102989A JP 11102989 A JP11102989 A JP 11102989A JP H02291860 A JPH02291860 A JP H02291860A
Authority
JP
Japan
Prior art keywords
hot water
cylindrical member
cylinder member
bathtub
air
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.)
Pending
Application number
JP11102989A
Other languages
Japanese (ja)
Inventor
Setsuo Watanabe
節雄 渡辺
Takaya Oota
貴也 太田
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.)
Takagi Industrial Co Ltd
Original Assignee
Takagi Industrial Co Ltd
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 Takagi Industrial Co Ltd filed Critical Takagi Industrial Co Ltd
Priority to JP11102989A priority Critical patent/JPH02291860A/en
Publication of JPH02291860A publication Critical patent/JPH02291860A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To facilitate manufacturing and mounting by forming only one mounting port to a bathtub by integrally constituting a member sucking air to mix the same with hot water and injecting hot water in a state mixed with air bubbles and a member allowing the hot water in the bathtub to flow out to a return pipe. CONSTITUTION:The hot water flowing in one end part of an inner cylindrical member 1 through a forward pipe 14 by the hot water feed pump of a hot water supply apparatus is injected in the mixing space on the downstream side thereof from a driving stream nozzle part 2 to such the air of an air chamber 7 through a suction port 10 at this time. By this method, the hot water being a driving stream and the air being a secondary stream are gradually mixed to flow through the inner cylindrical member 1 toward the other end part thereof and sufficiently mixed to be injected in a bathtub 20 from a mixed stream nozzle part 3. The hot water in the bathtub 20 reaches a water chamber 8 through the flowing water gap 11 between a tightening cylindrical member 12 and the inner cylindrical member 1 and returns to the suction part of the hot water feed pump of the hot water supply apparatus to be subjected to recirculation. By this constitution, a single mounting port 26 may be only formed to the bathtub 20 and manufacturing and mounting can be easily performed.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は風呂用気泡発生装置に関するものである. (従来の技術) 例えば第3図に示すように、送湯ポンプa及び熱交換器
bを設けた給湯器Cと浴槽dとから構成し、送湯ボンプ
aの吐出側から熱交換器bを経て浴槽dの湯流入部材e
に至る往き管fと,浴槽dの湯流出部材gから前記送湯
ポンプaの吸込側に戻る戻り管hを構成して浴槽d内の
湯を送湯ポンプaにより強制的に循環し得るようにした
強制循環式風呂装置に於いては、近来,,前記湯流入部
材eにエゼクタ等を利用した気泡発生機構iを設けて、
ここから浴槽d内に気泡を混入した湯を噴出可能とした
ものがある。
[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a bubble generator for baths. (Prior art) For example, as shown in Fig. 3, the water heater C is composed of a water heater C equipped with a hot water pump a and a heat exchanger b, and a bathtub d. Hot water inflow member e of bathtub d
and a return pipe h returning from the hot water outlet member g of the bathtub d to the suction side of the hot water pump a, so that the hot water in the bathtub d can be forcibly circulated by the hot water pump a. Recently, in the forced circulation type bath equipment, the hot water inflow member e is provided with a bubble generation mechanism i using an ejector or the like.
There is a bathtub d in which hot water mixed with air bubbles can be spouted from the bathtub d.

かかる気泡発生機構iとしては例えば第4図に示すもの
がある。この装置は前記往き管fを接続した外筒部材j
内に、後方側に球面支持部kを形成した混合流ノズル本
体lを、前後の球面支持環状部材mにより方向転換可能
に支持すると共に、該混合流ノズル本体lには前記往き
管fの噴出側に駆動流ノズル部nとその下流側に、二次
流としての空気を混合する混合空間O、そしてこの混合
空間0に空気を流入するための空気吸込口pを構成し、
この空気吸込口pに対応して外筒部材jに空気室q、そ
してこの空気室qに空気管rを接続したものである。こ
の機構iは、外筒部材jの前側に締付筒部材Sを螺合し
、該締付筒部材Sのフランジ部tと外筒部材jの前端部
間に浴槽dの壁を挟んで締め付けて固定するものである
.(発明が解決しようとする課題) 従来の気泡発生機構はこのように、気泡を混入した湯の
噴出部材、即ち湯流入部材eのみを一体に構成して、前
記給湯装置Cに連なる戻り管hを接続する湯流出部材g
は別体に構成しているので、浴槽dにはかかる湯流入部
材e及び湯流出部材gの夫々に対応して2つの取付口を
形成する必要がある。
An example of such a bubble generating mechanism i is shown in FIG. 4. This device has an outer cylindrical member j to which the outgoing pipe f is connected.
Inside, a mixed flow nozzle main body l having a spherical support part k formed on the rear side is supported so as to be changeable in direction by the front and rear spherical support annular members m, and the mixed flow nozzle main body l has a jet of the outgoing pipe f. A driving flow nozzle part n is formed on the side, a mixing space O for mixing air as a secondary flow is formed on the downstream side thereof, and an air suction port p for flowing air into this mixing space 0,
An air chamber q is connected to the outer cylinder member j corresponding to the air suction port p, and an air pipe r is connected to the air chamber q. In this mechanism i, a tightening cylinder member S is screwed onto the front side of an outer cylinder member j, and the wall of the bathtub d is sandwiched between the flange part t of the tightening cylinder member S and the front end of the outer cylinder member j. It is fixed in place. (Problems to be Solved by the Invention) In this way, the conventional bubble generating mechanism is configured such that only the hot water spouting member containing bubbles, that is, the hot water inflow member e, is integrated, and the return pipe h connected to the hot water supply device C is connected to the hot water inflow member e. Hot water outflow member g that connects
Since these are constructed separately, it is necessary to form two attachment ports in the bathtub d corresponding to the hot water inlet member e and the hot water outlet member g, respectively.

本発明はかかる課題を解決することを目的とするもので
ある。
The present invention aims to solve this problem.

(課題を解決するための手段) 本発明の構成を実施例に対応する図面を参照して説明す
ると,本発明の風呂用気泡発生装置は、前述した課題を
解決するために、内筒部材1の一方側に駆動流ノズル部
2を構成し、他方側に混合流ノズル部3を構成すると共
に、該内筒部材1の外側に空間4を構成するように外筒
部材5を装着し、該外筒部材5と内筒部材1の少なくと
も一方側に、他方側方向に突出させた突条6,6′を構
成して,この突条6,6′により前記空間4を、前記内
筒部材1の一方側に対応する空気室7と,他方側に対応
する水室8とに区画し、前記内筒部材1には,前記駆動
流ノズル部2の下流側近傍空間9と前記空気室7とを連
通させる吸込口10を形成すると共に、前記外筒部材5
の他方側には、前記内筒部材1との間に流水用間隙11
を構成する締付筒部材12を螺合し、前記駆動流ノズル
部2の上流側に給湯装置13からの往き管14,前記水
室8に給湯装置13に連なる戻り管15,前記空気室7
に空気管16を接続したものである.前述した締付筒部
材12には水連通孔17を構成したキャップ18を装着
することができ、この場合には自体に水連通用兼用の締
付工具係合用凹部19を形成して、前記水連通孔17と
共に該凹部19を介して浴槽20内の湯を流出すること
ができる。また、前記キャップ18と締付筒部材12間
には適宜のフィルタ21を介装することができる。
(Means for Solving the Problems) The configuration of the present invention will be explained with reference to drawings corresponding to embodiments. In order to solve the above-mentioned problems, the bath bubble generator of the present invention has an inner cylinder member A driving flow nozzle part 2 is formed on one side of the cylinder, a mixed flow nozzle part 3 is formed on the other side, and an outer cylinder member 5 is attached so as to form a space 4 outside the inner cylinder member 1. Projections 6, 6' are formed on at least one side of the outer cylinder member 5 and the inner cylinder member 1, and protrude toward the other side. The inner cylindrical member 1 is divided into an air chamber 7 corresponding to one side and a water chamber 8 corresponding to the other side. A suction port 10 is formed to communicate with the outer cylinder member 5.
On the other side, there is a water flow gap 11 between the inner cylinder member 1 and the inner cylinder member 1.
A tightening cylindrical member 12 constituting is screwed together, and an outgoing pipe 14 from the hot water supply device 13 is provided on the upstream side of the driving flow nozzle portion 2, a return pipe 15 connected to the hot water supply device 13 is provided in the water chamber 8, and the air chamber 7
An air pipe 16 is connected to the . The aforementioned tightening cylindrical member 12 can be fitted with a cap 18 having a water communication hole 17, and in this case, a tightening tool engagement recess 19 which also serves as water communication is formed in the cap 18 so that the water Hot water in the bathtub 20 can flow out through the communication hole 17 and the recess 19. Further, an appropriate filter 21 can be interposed between the cap 18 and the tightening cylinder member 12.

更に、前記混合流ノズル部3は、その後方側に形成した
球面支持部22を、前後の球面支持環状部材23.24
により該内筒部材1の他方側に方向転換可能に支持する
構成とすることができ、この場合後側の該球面支持環状
部材24と内筒部材1の端部間に0リング25を介装す
ることができる. (作用及び実施例) 本発明の作用を図示の実施例と共に説明する.まず本発
明の装置は、浴槽20の壁に締付筒部材12の筒部の外
径よりも僅かに大きな取付口を予め形成し、内筒部材1
を浴槽20の外側から該取付口26に挿入する.かかる
状態に於いて締付筒部材12を浴槽20の内側から取付
口26に挿入し、外筒部材5に螺合して締め付ける。尚
、この際,締付筒部材12のフランジ部27と浴槽20
壁間等にはワッシャー28やパッキン29等を適宜介装
する。このようにして締付筒部材12の゜フランジ部2
7と外筒部材5の端部は、取付口26の周囲の浴槽20
壁を扶持し、取付状態となる。
Furthermore, the mixed flow nozzle section 3 has a spherical support section 22 formed on its rear side, and a spherical support annular member 23, 24 at the front and rear.
In this case, an O-ring 25 is interposed between the spherical support annular member 24 on the rear side and the end of the inner cylinder member 1. can do. (Operation and Examples) The operation of the present invention will be explained with reference to illustrated examples. First, in the device of the present invention, an attachment opening slightly larger than the outer diameter of the cylindrical portion of the tightening cylindrical member 12 is formed in advance on the wall of the bathtub 20, and the inner cylindrical member 1
into the attachment port 26 from the outside of the bathtub 20. In this state, the tightening cylindrical member 12 is inserted into the attachment port 26 from inside the bathtub 20, screwed onto the outer cylindrical member 5, and tightened. At this time, the flange portion 27 of the tightening cylinder member 12 and the bathtub 20
Washers 28, packing 29, etc. are appropriately installed between walls. In this way, the ゜flange portion 2 of the tightening cylinder member 12
7 and the end of the outer cylinder member 5 are connected to the bathtub 20 around the attachment port 26.
It supports the wall and is in the installed state.

しかる後、給湯装置13の往き管14と戻り管15と空
気管16を接続して使用状態とする。
Thereafter, the outgoing pipe 14, the return pipe 15, and the air pipe 16 of the water heater 13 are connected to be ready for use.

しかして、給湯装置13の送湯ボンプ30により往き管
14を経て内筒部材1の一方側に流入する湯は、駆動流
ノズル部2から、その下流側の混合空間9内に噴出し、
この際空気室7の空気を吸込口10を介して吸い込む。
Thus, the hot water flowing into one side of the inner cylinder member 1 via the outgoing pipe 14 by the hot water supply pump 30 of the water heater 13 is ejected from the driven flow nozzle part 2 into the mixing space 9 on the downstream side thereof.
At this time, air in the air chamber 7 is sucked in through the suction port 10.

このようにして、駆動流たる湯と、二次流たる空気は次
第に混合しなから内筒部材1内を他方側方向に流れ、十
分に混合した後混合流ノズル部3から浴槽20内に噴出
する。一方、浴槽20内の湯は、締付筒部材12と内筒
部材1との流水用間隙11を経て水室8に至り、ここか
ら戻り管15を経て給湯装置13の送湯ポンプ30の吸
込側に戻り,循環に供される。
In this way, the driving flow of hot water and the secondary flow of air gradually mix before flowing in the other direction within the inner cylinder member 1, and after being sufficiently mixed, are ejected from the mixed flow nozzle part 3 into the bathtub 20. do. On the other hand, the hot water in the bathtub 20 passes through the water flow gap 11 between the tightening cylinder member 12 and the inner cylinder member 1, reaches the water chamber 8, and from there passes through the return pipe 15 and is sucked into the hot water pump 30 of the water heater 13. It is returned to the side and subjected to circulation.

そして該送湯ボンプ30で昇圧された湯は熱交換器31
で適宜昇温され、再び往き管14を経て浴槽20に流入
する。
The hot water pressurized by the hot water supply pump 30 is transferred to a heat exchanger 31.
The temperature of the water is raised appropriately, and the water flows into the bathtub 20 via the outgoing pipe 14 again.

本発明はこのように空気を混合し、気泡を混入した状態
に於いて噴出する部材と、浴槽20内の湯を戻り管15
に流呂させる部材を一体に構成しているので、浴槽20
には単一の取付口26を形成するのみでよく、製作及び
取付等を容易に行なうことができ、コストを低減するこ
とが出来るという効果がある, 次に図示の実施例の詳細を説明すると、まず駆動流ノズ
ル部2は2つを並列に構成しており、夫々が混合空間9
の壁面に近接して流れるため、空気の吸込効率が良い。
The present invention includes a member that mixes air and ejects water with air bubbles mixed in, and a return pipe 15 for returning hot water in the bathtub 20.
Since the parts for bathing in the bathtub 20 are integrally constructed,
Since it is only necessary to form a single mounting hole 26, manufacturing and mounting can be easily performed, and the cost can be reduced.Next, the details of the illustrated embodiment will be explained. , First, two driving flow nozzle parts 2 are configured in parallel, each of which has a mixing space 9.
Since the air flows close to the wall surface, the air suction efficiency is good.

前記突条6,6′は外筒部材5及び内筒部材1の双方に
構成しており、これらの当接部には0リング32を介装
している。この他、突条6,6′は、外筒部材5または
内筒部材1のいずれか一方にのみ構成しても良い。
The protrusions 6, 6' are formed on both the outer cylindrical member 5 and the inner cylindrical member 1, and an O-ring 32 is interposed in the abutting portions thereof. In addition, the protrusions 6, 6' may be formed only on either the outer cylindrical member 5 or the inner cylindrical member 1.

締付筒部材12には水連通孔17を形成したキャップ1
8を装着しており、このキャップ18と締付筒部材12
間にはフィルタ21を介装している。該キャップ18は
、その周縁部の内側に設けた突起33を締付筒部材12
の周縁部に形成した傾斜突条34に係合して回動するこ
とにより装着することができるものである。一方、締付
筒部材12には水連通用を兼用する締付工具係合用の凹
部23を構成しており、浴槽20内の湯を前記水連通孔
17と共に流通させる構成としている.次に、混合流ノ
ズル部3は、その後方側に形成した球面支持部22を、
前後の球面支持環状部材23.24により該内筒部材1
の他方側に支持して方向転換可能としている。また後方
の球面支持環状部材24と内筒部材1の端部間にはOリ
ング25を介装しており、このOリング25は球面支持
環状部材23.24の支持力が弱くなった場合にもその
弾発力により所定のシール作用を維持するものである. (発明の効果) 本発明は以上の通り、空気を吸込んで混合し、気泡を混
入した状態に於いて噴出する部材と、浴槽内の湯を戻り
管に流出させる部材を一体に構成しているので、浴槽に
は単一の取付口を形成するのみでよく、製作及び取付等
を容易に行なうことができ、コストを低減することが出
来るという効果がある。
The tightening cylinder member 12 has a cap 1 with a water communication hole 17 formed therein.
8 is attached, and this cap 18 and the tightening cylinder member 12
A filter 21 is interposed between them. The cap 18 has a protrusion 33 provided on the inside of its peripheral edge that connects to the tightening cylinder member 12.
It can be attached by engaging and rotating an inclined protrusion 34 formed on the peripheral edge of the holder. On the other hand, the tightening cylindrical member 12 has a recess 23 for engaging a tightening tool which also serves as water communication, so that the hot water in the bathtub 20 can flow together with the water communication hole 17. Next, the mixed flow nozzle part 3 has a spherical support part 22 formed on its rear side.
The inner cylinder member 1 is supported by the front and rear spherical support annular members 23 and 24.
It is possible to change direction by supporting it on the other side. Further, an O-ring 25 is interposed between the rear spherical support annular member 24 and the end of the inner cylinder member 1, and this O-ring 25 is used when the supporting force of the spherical support annular member 23 and 24 becomes weak. It maintains the specified sealing action by its elastic force. (Effects of the Invention) As described above, the present invention integrally includes a member that sucks in air, mixes it, and ejects the mixture with air bubbles, and a member that causes hot water in the bathtub to flow out into the return pipe. Therefore, it is only necessary to form a single attachment port in the bathtub, which facilitates manufacturing and installation, and has the effect of reducing costs.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の風呂用気泡発生装置を用いた風呂装置
の全体構成を表した説明図、第2図は本発明の風呂用気
泡発生装置の全体構成を表した一部断面説明図、第3図
は従来の風呂用気泡発生装置を用いた風呂装置の全体構
成を表した説明図、第4図は従来の風呂用気泡発生装置
の全体構成を表した一部断面説明図である。 符号1・・・内筒部材,2・・・駆動流ノズル部、3・
・・混合流ノズル部、4・・・空間、5・・・外筒部材
、6,6′・・・突条、7・・・空気室、8・・・水室
、9・・・空間、10・・・吸込口、11・・・流水用
間隙、12・・・締付筒部材,13・・・給湯装置、1
4・・・往き管、15・・・戻り管、16・・・空気管
,17・・・水連通孔、18・・・キャップ、19・・
・凹部、20・・・浴槽、21・・・フィル夕、22・
・・球面支持部、23、24・・・球面支持環状部材、
25・・・0リング、26・・・取付口、27・・・フ
ランジ部、28・・・ワッシャー 29・・・パッキン
、3o・・・送湯ボンプ、31・・・熱交換器、32・
・・0リング、33・・・突起、34・・・傾斜突条。
FIG. 1 is an explanatory diagram showing the overall configuration of a bath device using the bath bubble generator of the present invention, and FIG. 2 is a partially cross-sectional explanatory diagram showing the overall configuration of the bath bubble generator of the present invention. FIG. 3 is an explanatory diagram showing the overall configuration of a bath device using a conventional bath bubble generating device, and FIG. 4 is a partially cross-sectional explanatory diagram showing the entire configuration of a conventional bath bubble generating device. Code 1: Inner cylinder member, 2: Drive flow nozzle part, 3:
...Mixed flow nozzle part, 4...Space, 5...Outer cylinder member, 6, 6'...Protrusion, 7...Air chamber, 8...Water chamber, 9...Space , 10... Suction port, 11... Water flow gap, 12... Tightening cylinder member, 13... Water heater, 1
4... Outgoing pipe, 15... Return pipe, 16... Air pipe, 17... Water communication hole, 18... Cap, 19...
・Concavity, 20... Bathtub, 21... Fill bath, 22.
... Spherical support part, 23, 24... Spherical support annular member,
25... 0 ring, 26... Mounting port, 27... Flange portion, 28... Washer 29... Packing, 3o... Hot water pump, 31... Heat exchanger, 32...
...0 ring, 33...protrusion, 34...slanted protrusion.

Claims (5)

【特許請求の範囲】[Claims] (1)内筒部材の一方側に駆動流ノズル部を構成し、他
方側に混合流ノズル部を構成すると共に、該内筒部材の
外側に空間を構成するように外筒部材を装着し、該外筒
部材と内筒部材の少なくとも一方側に、他方側方向に突
出させた突条を構成して、この突条により前記空間を、
前記内筒部材の一方側に対応する空気室と、他方側に対
応する水室とに区画し、前記内筒部材には、前記駆動流
ノズル部の下流側空間と前記空気室とを連通させる吸込
口を形成すると共に、前記外筒部材の他方側には、前記
内筒部材との間に流水用間隙を構成する締付筒部材を螺
合する構成とし、前記駆動流ノズル部の上流側に給湯装
置からの往き管、前記水室に給湯装置に連なる戻り管、
前記空気室に空気管を接続したことを特徴とする風呂用
気泡発生装置
(1) A driving flow nozzle part is configured on one side of the inner cylinder member, a mixed flow nozzle part is configured on the other side, and an outer cylinder member is attached so as to define a space outside the inner cylinder member, A protrusion is formed on at least one side of the outer cylinder member and the inner cylinder member, and the protrusion protrudes toward the other side, and the space is defined by the protrusion.
The inner cylindrical member is divided into an air chamber corresponding to one side and a water chamber corresponding to the other side, and the inner cylindrical member is provided with communication between the downstream space of the driving flow nozzle portion and the air chamber. A tightening cylindrical member forming a suction port and forming a water flow gap between the outer cylindrical member and the inner cylindrical member is screwed onto the other side of the outer cylindrical member, and the upstream side of the driving flow nozzle part an outgoing pipe from the water heater to the water chamber, a return pipe connected to the water heater to the water chamber,
A bubble generator for a bath, characterized in that an air pipe is connected to the air chamber.
(2)第1項記載の締付筒部材には水連通孔を構成した
キャップを装着すると共に、自体に水連通用兼用の締付
工具係合用の凹部を形成したことを特徴とする風呂用気
泡発生装置
(2) The tightening cylindrical member described in item 1 is equipped with a cap having a water communication hole, and is also provided with a recess for engaging a tightening tool that also serves as water communication. bubble generator
(3)第2項記載のキャップと締付筒部材間にフィルタ
を介装したことを特徴とする風呂用気泡発生装置
(3) A bubble generator for a bath, characterized in that a filter is interposed between the cap and the tightening cylinder member according to item 2.
(4)混合流ノズル部は、その後方側に形成した球面支
持部を、前後側の球面支持環状部材により該内筒部材の
他方側に方向転換可能に支持する構成としたことを特徴
とする風呂用気泡発生装置
(4) The mixed flow nozzle part is characterized in that the spherical support part formed on the rear side thereof is supported by the spherical support annular members on the front and rear sides so that the direction can be changed to the other side of the inner cylinder member. Air bubble generator for bath
(5)混合流ノズル部は、その後方側に形成した球面支
持部を、前後の球面支持環状部材と、後側の該球面支持
環状部材と内筒部材の端部間に介装したOリングとで該
内筒部材の他方側に方向転換可能に支持する構成とした
ことを特徴とする風呂用気泡発生装置
(5) The mixed flow nozzle part has a spherical support part formed on the rear side thereof, and an O-ring interposed between the front and rear spherical support annular members and the end of the spherical support annular member and the inner cylinder member on the rear side. A bubble generator for a bath, characterized in that the device is configured to be supported on the other side of the inner cylindrical member so as to be able to change direction.
JP11102989A 1989-04-30 1989-04-30 Air bubble generator for bath Pending JPH02291860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11102989A JPH02291860A (en) 1989-04-30 1989-04-30 Air bubble generator for bath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11102989A JPH02291860A (en) 1989-04-30 1989-04-30 Air bubble generator for bath

Publications (1)

Publication Number Publication Date
JPH02291860A true JPH02291860A (en) 1990-12-03

Family

ID=14550594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11102989A Pending JPH02291860A (en) 1989-04-30 1989-04-30 Air bubble generator for bath

Country Status (1)

Country Link
JP (1) JPH02291860A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS519220U (en) * 1974-07-08 1976-01-23
JPS56106652A (en) * 1980-01-31 1981-08-25 Matsushita Electric Works Ltd Injection nozzle and water suction port integral type bubble bath device
JPS6245026B2 (en) * 1981-02-27 1987-09-24 Mitsubishi Electric Corp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS519220U (en) * 1974-07-08 1976-01-23
JPS56106652A (en) * 1980-01-31 1981-08-25 Matsushita Electric Works Ltd Injection nozzle and water suction port integral type bubble bath device
JPS6245026B2 (en) * 1981-02-27 1987-09-24 Mitsubishi Electric Corp

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