JPH04285227A - Flush toilet stool - Google Patents
Flush toilet stoolInfo
- Publication number
- JPH04285227A JPH04285227A JP5005091A JP5005091A JPH04285227A JP H04285227 A JPH04285227 A JP H04285227A JP 5005091 A JP5005091 A JP 5005091A JP 5005091 A JP5005091 A JP 5005091A JP H04285227 A JPH04285227 A JP H04285227A
- Authority
- JP
- Japan
- Prior art keywords
- water
- drain pipe
- siphon
- bowl
- pipe
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 12
- 239000002699 waste material Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Sanitary Device For Flush Toilet (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、サイフォンの作用にて
汚物を洗浄水と共に排出する水洗便器に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet that discharges waste along with flush water by the action of a siphon.
【０００２】0002
【従来の技術】図７に実公昭６３−２２２１２号公報に
開示される従来のサイフォンジェット式の水洗便器を示
す。１は便器のボウル、２はボウル１の上端縁に沿って
全周に亘るように設けたリム部、３はリム部２内に全長
に亘って設けた通水路、４はロータンクからの給水口、
５はボウル１の底部の排出口、６はリム部２に設けた噴
射孔、７はジェット孔、８は導水路、９′はサイフォン
作用をする逆Ｕ字状の排水管路である。この排水管路９
′は便器と一体に陶器のような硬質材料にて形成されて
いる。2. Description of the Related Art FIG. 7 shows a conventional siphon jet flush toilet disclosed in Japanese Utility Model Publication No. 63-22212. 1 is the bowl of the toilet, 2 is a rim part provided along the entire circumference along the upper edge of the bowl 1, 3 is a water passage provided within the rim part 2 over the entire length, and 4 is a water supply port from the low tank. ,
5 is a discharge port at the bottom of the bowl 1, 6 is an injection hole provided in the rim portion 2, 7 is a jet hole, 8 is a water conduit, and 9' is an inverted U-shaped drainage pipe that acts as a siphon. This drainage pipe line 9
′ is formed integrally with the toilet bowl from a hard material such as ceramics.
【０００３】かかる水洗便器は、洗浄時にはリム部２の
噴射孔６から流下する洗浄水によりボウル１が洗浄され
るようになっている。またボウル１の最低位置に設けら
れた排出口５には導水路８から流下した洗浄水がジェッ
ト孔７より噴出してボウル１内を洗浄した洗浄水に強制
的な排水流を起こさせるようになっている。排水流は排
水管路９′内部で満水状態を作り、これによりサイフォ
ン作用をおこさせ、ボウル１内の汚物を洗浄水と共に強
制的に排出するようになっている。[0003] In such a flush toilet, the bowl 1 is cleaned by flushing water flowing down from the injection hole 6 of the rim portion 2 during flushing. Further, at the discharge port 5 provided at the lowest position of the bowl 1, the washing water flowing down from the conduit 8 is jetted out from the jet hole 7, and the washing water that has washed the inside of the bowl 1 is forced to cause a drainage flow. It has become. The drain flow creates a full water condition inside the drain pipe 9', thereby causing a siphon effect, and the waste in the bowl 1 is forcibly discharged together with the washing water.
【０００４】またボウル１内部には逆Ｕ字状の排出管路
９′の屈曲部の下部を上限水位とする水溜まりが形成さ
れており、この水溜まりの水が悪臭の逆流を防止する作
用をしたり、サイフォン作用の初期流になったりするよ
うになっている。前記排水管路内においては、逆Ｕ字状
の排水管路９′の屈曲部を経て下方に垂下する部分には
空気溜まりが形成されている。サイフォン作用は排水管
路９′が満水状態になってから一部の水が一気に流れる
ことにより満水部分に吸引圧を生じさせ、この吸引力に
よって満水部分の水と連鎖的にボウル１の汚物や洗浄水
などを排出するようになっている。[0004] Furthermore, a water puddle is formed inside the bowl 1, and the upper water level is at the lower part of the bent part of the inverted U-shaped discharge pipe 9'. It has become the initial flow of siphon action. In the drain pipe, an air pocket is formed in a portion that hangs down through the bent portion of the inverted U-shaped drain pipe 9'. In the siphon action, after the drain pipe 9' is full, some of the water flows all at once, creating suction pressure in the full area, and this suction force causes a chain reaction between the water in the full area and the waste in the bowl 1. It is designed to discharge cleaning water, etc.
【０００５】洗浄の際には排水管路９′の空気溜まりを
いかに早く満水状態にするかが重要な要件となっている
。このため従来のサイフォン式の水洗便器にあっては、
排水管路を複雑な形状に屈曲変形させたり、排水管路の
内径を部分的に小さくさせたりすることにより、この部
分の流路抵抗を大きくして満水状態を作りやすくするこ
ともおこなわれている。[0005] During cleaning, an important requirement is how quickly the air pocket in the drain pipe 9' can be filled with water. For this reason, in conventional siphon-type flush toilets,
By bending and deforming the drainage pipe into a complicated shape or reducing the inner diameter of the drainage pipe in some areas, it is possible to increase the flow resistance in these areas and make it easier to create a full water condition. There is.
【０００６】[0006]
【発明が解決しようとする課題】ところで、上記のよう
なサイフォン作用を利用した水洗便器では、サイフォン
作用はボウル１内の水が徐々に排水管路９′に引き込ま
れ、水溜まりの水位が下がり、排出口５から排水管路９
′に空気が入り、満水状態が破られて完了する。この際
、排出口５から空気が入ると、ボコボコという不快音を
発生するという問題がある。また、一旦サイフォン作用
に引き込まれた水が排水管路９′の上方の屈曲部を越せ
ずに（途中でサイフォン作用が終了するため）排出口５
からボウル１内に戻り、汚物や洗浄水が完全に流れきら
ないことが起こるという問題がある。[Problems to be Solved by the Invention] By the way, in the flush toilet using the siphon action as described above, the siphon action is such that the water in the bowl 1 is gradually drawn into the drain pipe 9', and the water level in the puddle is lowered. Drainage pipe line 9 from discharge port 5
Air enters ', the full water condition is broken, and the process is completed. At this time, there is a problem in that when air enters from the exhaust port 5, an unpleasant buzzing sound is generated. In addition, the water once drawn into the siphon action cannot cross the upper bend of the drain pipe 9' (because the siphon action ends midway through), and the water is unable to pass through the upper bend of the drain pipe 9' (because the siphon action ends midway).
There is a problem in that the dirt and wash water return to the bowl 1 and cannot be completely drained away.
【０００７】本発明は上記問題点に鑑みてなされたもの
であって、本発明の目的とするところは節水化が図れ、
しかも洗浄後半の不快な騒音を抑えることができ、さら
に汚物や洗浄水の戻りがない水洗便器を提供するにある
。The present invention has been made in view of the above problems, and the purpose of the present invention is to save water;
Moreover, it is an object of the present invention to provide a flush toilet that can suppress unpleasant noises during the latter half of cleaning, and further prevents the return of filth and flushing water.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
本発明水洗便器は、便器のボウル１の底部の排出口５か
らサイフォン作用をする排水管路９を連出し、ボウル１
内の汚物を洗浄水と共にサイフォン作用により排出する
ようにしたサイフォン式あるいはサイフォンジェット式
の水洗便器において、排出管路９を可撓性材料にて形成
して排出管路９を変形自在且つ移動自在にして成ること
を特徴とする。[Means for Solving the Problems] In order to achieve the above object, the flush toilet of the present invention has a drain pipe 9 which has a siphon effect connected to the discharge port 5 at the bottom of the bowl 1 of the toilet bowl.
In a siphon-type or siphon-jet type flush toilet that discharges the filth inside together with flushing water by siphon action, the discharge pipe 9 is formed of a flexible material so that the discharge pipe 9 can be deformed and moved freely. It is characterized by the following.
【０００９】[0009]
【作用】上記構成によれば、排水管路９を変形させて径
を変化させることができ、洗浄初期に排水管路９の内径
を部分的に小さくし、排水管路９内を満水状態になりや
すくでき、これによりサイフォン作用を早く起こさせる
ことができる。サイフォン作用開始後は、径を大きくし
て水が流出しやすいようにすれば、サイフォン起因時間
を大幅に短縮でき、節水化を図ることができる。また排
水管路９を変形させて移動させることができ、洗浄後半
のサイフォン作用の終了時直前に、排水管路９の上方の
屈曲部分を下方に下げて排出口５よりも下げれば、サイ
フォン作用終了時に排水管路９の水がボウル１内に逆流
することなく排水され、排出口５から排水管路９内へ空
気が流れ込むときのボコボコという不快音も低減できる
。また排水管路９の屈曲部の高さを変えることによりボ
ウル１内に溜まる水の量を変えることができ、用途に合
わせて水溜まり部の水位を簡単に変更することができる
。[Operation] According to the above structure, the diameter of the drain pipe 9 can be changed by deforming it, and the inner diameter of the drain pipe 9 is partially reduced in the initial stage of cleaning, so that the inside of the drain pipe 9 is filled with water. This allows the siphon effect to occur quickly. After the siphon action starts, by increasing the diameter so that water can easily flow out, the siphon action time can be significantly shortened and water can be saved. In addition, the drain pipe 9 can be deformed and moved, and just before the end of the siphon action in the latter half of cleaning, if the upper bent part of the drain pipe 9 is lowered below the outlet 5, the siphon action can be performed. At the time of completion, the water in the drain pipe 9 is drained without flowing back into the bowl 1, and the unpleasant sound of bumping when air flows into the drain pipe 9 from the discharge port 5 can also be reduced. Furthermore, by changing the height of the bent portion of the drain pipe 9, the amount of water accumulated in the bowl 1 can be changed, and the water level of the water reservoir can be easily changed according to the purpose.
【００１０】0010
【実施例】図１は本発明の一実施例であるサイフォンジ
ェット式の水洗便器を示す。本実施例の場合、排水管路
９の部分の構造が異なるだけでその他の部分は従来例の
ものと同じであるので説明は省略する。排水管路９は変
形自在且つ移動自在になるように合成樹脂のような柔軟
な材料にて蛇腹状に形成されている。排水管路９の中央
部はリング状の管路支持部１０で支持されており、この
管路支持部１０を支持部駆動装置１２にて管路支持部１
０を上下に駆動できるようになっている。通常時には逆
Ｕ字状に排水管路９が屈曲するように上方に管路支持部
１０が位置して排水管路９を支えている。図４の実施例
の場合、支持部駆動装置１２は支持アーム１４を上下に
駆動して管路支持部１０を真っすぐ上下でき、図５の実
施例の場合、支持部駆動装置１２は支持アーム１４を上
下に回動駆動して管路支持部１０を上下できるようにな
っている。また排水管路９の外周には管路支持部１０よ
り排水管路９の出口側の位置で管路絞り部１１を設けて
ある。この管路絞り部１０は図６に示すようにワイヤー
１１ａにて形成されている。絞り部駆動装置１３にはワ
イヤー１１ａを巻き取るモータ１５を有している。ワイ
ヤー１１ａの一端は案内筒１６の先端の固定部１７に固
定してあり、ワイヤー１１ａを排水管路９に巻回してワ
イヤー１１ａを案内筒１６に通し、ワイヤー１１ａの他
端をモータ１５に巻き付けてある。しかしてモータ１５
を駆動してワイヤー１１ａを巻き取れば図６の（ｂ）（
ｃ）に示すように排水管路９が絞られ、モータ１５を逆
回転して巻き戻せば排水管路９が弾性にて広がる。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a siphon jet flush toilet bowl which is an embodiment of the present invention. In the case of this embodiment, the only difference is the structure of the drain pipe line 9, and the other parts are the same as those of the conventional example, so the explanation will be omitted. The drain pipe 9 is formed in a bellows shape from a flexible material such as synthetic resin so as to be deformable and movable. The center part of the drain pipe 9 is supported by a ring-shaped pipe support 10, and this pipe support 10 is moved to the pipe support 1 by a support drive device 12.
0 can be driven up and down. Normally, a pipe support section 10 is positioned above to support the drain pipe 9 so that the drain pipe 9 is bent in an inverted U-shape. In the embodiment of FIG. 4, the support part drive device 12 drives the support arm 14 up and down to move the conduit support part 10 straight up and down, and in the embodiment of FIG. The conduit support part 10 can be moved up and down by rotating the pipe support part 10 up and down. Further, a conduit constriction section 11 is provided on the outer periphery of the drain conduit 9 at a position closer to the outlet of the drain conduit 9 than the conduit supporting section 10 . The conduit constriction section 10 is formed of a wire 11a, as shown in FIG. The aperture section drive device 13 has a motor 15 that winds up the wire 11a. One end of the wire 11a is fixed to a fixed part 17 at the tip of the guide tube 16, the wire 11a is wound around the drain pipe 9, the wire 11a is passed through the guide tube 16, and the other end of the wire 11a is wound around the motor 15. There is. However, motor 15
If the wire 11a is wound by driving the wire 11a, the result shown in FIG.
As shown in c), the drain pipe 9 is constricted, and when the motor 15 is reversely rotated to rewind it, the drain pipe 9 expands elastically.
【００１１】水洗便器は、洗浄時にはリム部２の噴射孔
６から流下する洗浄水によりボウル１が洗浄される。ま
たボウル１の最低位置に設けられた排出口５には導水路
８から流下した洗浄水がジェット孔７より噴出してボウ
ル１内を洗浄した洗浄水に強制的な排水流を起こさせる
。この排水流は排水管路９内部で満水状態を作り、これ
によりサイフォン作用をおこさせ、ボウル１内の汚物を
洗浄水と共に強制的に排出する。サイフォン作用の初期
には管路絞り部１１で排水管路４を図２の（ａ）に示す
ように絞る。これにより排水管路９を満水状態にしやす
くすることができる。そしてサイフォン作用起因後、管
路絞り部１１の絞りを緩め、図２の（ｂ）に示すように
排水管路９の内径を元の状態に戻す。排水管路９の径を
元に戻すことにより水が流出しやすくなる。排水管路９
は管路支持部１０により中心あたりが上に持ち上げられ
て逆Ｕ字状になっているが、洗浄後半のサイフォン作用
終了直前には管路支持部１０が下方へ移動し、それに伴
って排水管路９が図３に示すように水平になる。これに
よりサイフォン作用終了時に排水管路９に残っている水
はボウル１に逆流することなく流れる。また排水管路９
への空気の流入が急激に行われず、空気と水との入れ替
わりがスムーズであるため、サイフォン作用終了時のボ
コボコという音が低減される。洗浄後は排水管路９が管
路支持部１０にて上に持ち上げられ、トラップが形成さ
れる。この持ち上げ具合を変えることにより水溜まり面
の位置を変えることができる。In the flush toilet bowl 1, the bowl 1 is cleaned by flush water flowing down from the injection hole 6 of the rim portion 2 during flushing. Further, at the discharge port 5 provided at the lowest position of the bowl 1, the cleaning water flowing down from the conduit 8 is jetted out from the jet hole 7, causing the cleaning water that has cleaned the inside of the bowl 1 to be forced to drain. This drainage flow creates a water-filled state inside the drain pipe 9, thereby causing a siphon effect, and the waste in the bowl 1 is forcibly discharged together with the washing water. At the beginning of the siphon action, the drain pipe 4 is throttled by the pipe constrictor 11 as shown in FIG. 2(a). Thereby, the drain pipe line 9 can be easily filled with water. After the siphon action has occurred, the restriction of the conduit constriction section 11 is loosened, and the inner diameter of the drain conduit 9 is returned to its original state as shown in FIG. 2(b). By restoring the diameter of the drain pipe 9 to its original diameter, water can flow out more easily. Drainage pipe line 9
The center of the pipe is lifted up by the pipe support 10, forming an inverted U-shape. However, just before the end of the siphon action in the latter half of cleaning, the pipe support 10 moves downward, and as a result, the drain pipe The path 9 becomes horizontal as shown in FIG. As a result, the water remaining in the drain pipe 9 at the end of the siphon action flows into the bowl 1 without flowing back. Also, drainage pipe line 9
Since the air does not flow in suddenly and the exchange of air and water is smooth, the rumbling sound at the end of the siphon action is reduced. After cleaning, the drain pipe 9 is lifted upward by the pipe support 10 to form a trap. By changing the degree of lifting, the position of the water pool surface can be changed.
【００１２】0012
【発明の効果】本発明は叙述のように排出管路を可撓性
材料にて形成して排出管路を変形自在且つ移動自在にし
ているので、洗浄初期に排水管路を絞ってサイフォン作
用が早く起こるようできて節水化が図れるものであり、
また洗浄後半のサイフォン作用終了時に排水管路を移動
させて水平にして排水できて従来のようにボコボコとい
う不快音が発生するのが低減されると共に汚物や洗浄水
の戻りがなくてボウル内を清潔に保つことができるもの
であり、また排水管路の屈曲する位置を上下させること
により用途に応じて水溜まり量を調整できるものである
。[Effects of the Invention] As described above, in the present invention, the drain pipe is made of a flexible material to make it deformable and movable, so the drain pipe is squeezed at the beginning of cleaning to prevent siphon action. It is possible to save water by allowing water to occur quickly.
In addition, when the siphon action in the latter half of the cleaning process is finished, the drain pipe can be moved horizontally to drain the water, which reduces the unpleasant sloshing noise that occurs in the conventional method, and eliminates the return of filth and cleaning water inside the bowl. It can be kept clean, and the amount of water collected can be adjusted depending on the purpose by moving the bending position of the drain pipe up or down.
【図１】本考案の一実施例を示し、（ａ）は正面から見
た断面図、（ｂ）は（ａ）のＡ方向からみた一部省略側
面図である。FIG. 1 shows an embodiment of the present invention, in which (a) is a sectional view seen from the front, and (b) is a partially omitted side view seen from the direction A in (a).
【図２】同上の排水管路を絞ったり絞りを解除したりし
た状態を説明する断面図である。FIG. 2 is a sectional view illustrating a state in which the drain pipe line is throttled or unthrottled.
【図３】同上の排水管路を水平にした状態の断面図であ
る。FIG. 3 is a cross-sectional view of the drain pipe line shown in the same horizontal state.
【図４】同上の排水管路を上下させる状態を示す図であ
って、（ａ）は正面から見た断面図、（ｂ）は（ａ）の
Ｂ方向から見た側面図である。FIG. 4 is a diagram showing a state in which the drain pipe line is moved up and down, in which (a) is a sectional view seen from the front, and (b) is a side view seen from direction B in (a).
【図５】同上の排水管路を上下させる他例を示す側面図
である。FIG. 5 is a side view showing another example in which the drainage pipe line is moved up and down.
【図６】同上の排水管路を絞る構造を説明する説明図で
ある。FIG. 6 is an explanatory diagram illustrating a structure for constricting the drain pipe line same as above.
【図７】従来例の断面図である。FIG. 7 is a sectional view of a conventional example.
１ ボウル ５ 排水口 ９ 排水管路 1 Bowl 5 Drain port 9 Drainage pipe
Claims (1)
フォン作用をする排水管路を連出し、ボウル内の汚物を
洗浄水と共にサイフォン作用により排出するようにした
サイフォン式あるいはサイフォンジェット式の水洗便器
において、排出管路を可撓性材料にて形成して排出管路
を変形自在且つ移動自在にして成ることを特徴とする水
洗便器。[Claim 1] A siphon-type or siphon-jet type flush toilet in which a drain pipe with a siphon effect is extended from the outlet at the bottom of the bowl of the toilet bowl, and the filth in the bowl is discharged by the siphon effect along with the flushing water. A flush toilet bowl characterized in that the discharge pipe is formed of a flexible material so that the discharge pipe is deformable and movable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3050050A JP2642791B2 (en) | 1991-03-15 | 1991-03-15 | Flush toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3050050A JP2642791B2 (en) | 1991-03-15 | 1991-03-15 | Flush toilet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04285227A true JPH04285227A (en) | 1992-10-09 |
| JP2642791B2 JP2642791B2 (en) | 1997-08-20 |
Family
ID=12848168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3050050A Expired - Lifetime JP2642791B2 (en) | 1991-03-15 | 1991-03-15 | Flush toilet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2642791B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002088881A (en) * | 2000-09-14 | 2002-03-27 | Toto Ltd | Siphon jet type flush toilet stool |
| JP2003514156A (en) * | 1999-11-11 | 2003-04-15 | コリア アイテム ディベロップメント インコーポレイティッド | Water-saving toilet bowl |
| KR100714961B1 (en) * | 2006-06-01 | 2007-05-04 | 이종인 | Moving siphon pipe driving device for water closet |
| WO2013170527A1 (en) * | 2012-05-14 | 2013-11-21 | 义源（上海）节能环保科技有限公司 | Water-saving toilet bowl |
| FR3003280A1 (en) * | 2013-03-15 | 2014-09-19 | Tarek Shaaban | TOILET WITH DOUBLE HOMES WC |
| EP3891344A4 (en) * | 2018-12-03 | 2022-08-24 | Van Nam Nguyen | Flush toilet |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100714959B1 (en) * | 2006-09-14 | 2007-05-04 | 이종인 | Moving type soil exhaust system for water closet |
| KR100909403B1 (en) * | 2009-04-16 | 2009-07-24 | 박철웅 | Toilet stool having siphon tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242637A (en) * | 1975-10-01 | 1977-04-02 | Yoshihei Nakano | Automatic drainage system for a flush toilet |
| JPH0220739A (en) * | 1988-07-07 | 1990-01-24 | Toto Ltd | Flush toilet |
-
1991
- 1991-03-15 JP JP3050050A patent/JP2642791B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242637A (en) * | 1975-10-01 | 1977-04-02 | Yoshihei Nakano | Automatic drainage system for a flush toilet |
| JPH0220739A (en) * | 1988-07-07 | 1990-01-24 | Toto Ltd | Flush toilet |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003514156A (en) * | 1999-11-11 | 2003-04-15 | コリア アイテム ディベロップメント インコーポレイティッド | Water-saving toilet bowl |
| JP2002088881A (en) * | 2000-09-14 | 2002-03-27 | Toto Ltd | Siphon jet type flush toilet stool |
| KR100714961B1 (en) * | 2006-06-01 | 2007-05-04 | 이종인 | Moving siphon pipe driving device for water closet |
| WO2013170527A1 (en) * | 2012-05-14 | 2013-11-21 | 义源（上海）节能环保科技有限公司 | Water-saving toilet bowl |
| FR3003280A1 (en) * | 2013-03-15 | 2014-09-19 | Tarek Shaaban | TOILET WITH DOUBLE HOMES WC |
| EP3891344A4 (en) * | 2018-12-03 | 2022-08-24 | Van Nam Nguyen | Flush toilet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2642791B2 (en) | 1997-08-20 |
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| A01 | Written decision to grant a patent or to grant a registration (utility model) |
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