JPH05168825A - Filter - Google Patents
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- Publication number
- JPH05168825A JPH05168825A JP33661591A JP33661591A JPH05168825A JP H05168825 A JPH05168825 A JP H05168825A JP 33661591 A JP33661591 A JP 33661591A JP 33661591 A JP33661591 A JP 33661591A JP H05168825 A JPH05168825 A JP H05168825A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- water
- aquarium
- air supply
- supply 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
Landscapes
- Farming Of Fish And Shellfish (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は金魚、熱帯魚等の観賞魚
用水槽内に設けられて、該水槽内の水を浄化するための
濾過装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filtering device provided in an aquarium for ornamental fish such as goldfish and tropical fish to purify water in the aquarium.
【０００２】[0002]
【従来の技術】従来前記濾過装置は、水槽内に縦方向に
設けられる吸水管の下端を濾材を通して水槽内底部に連
通し、またその上端を水槽内上部に連通し、前記吸水管
にビニールパイプ等の可撓性パイプを挿入して該パイプ
の下端にエアストンを接続し、該パイプにエアポンプよ
りエアを圧送することにより吸水管内に上昇水流を生じ
させ、これにより水槽内の水を濾材を通過循環させて浄
化するようにしている（特開昭５９−１２３５０９号公
報参照）。2. Description of the Related Art Conventionally, in the above filtering apparatus, a lower end of a water absorption pipe vertically provided in a water tank is communicated with a bottom part of the water tank through a filter material, and an upper end thereof is communicated with an upper part of the water tank, and a vinyl pipe is connected to the water absorption pipe. Insert a flexible pipe such as, and connect an air stone to the lower end of the pipe, and pressurize air from the air pump to the pipe to generate a rising water flow in the water absorption pipe, which causes the water in the water tank to pass through the filter medium. It is circulated for purification (see JP-A-59-123509).
【０００３】[0003]
【発明が解決しようとする課題】ところが前記従来のも
のでは、吸水管内に挿入される給気パイプはビニールパ
イプ等の可撓性パイプであるため腰が弱くこれが吸水管
内で屈曲したり、湾曲したりして、吸水管内を上昇する
水流に渦流や乱流を生起させて水流の流れ抵抗を増大さ
せ、濾過能率を低下させるばかりでなく、耳ざわりな水
流音も大きくなるという課題がある。However, in the above-mentioned prior art, since the air supply pipe inserted into the water absorption pipe is a flexible pipe such as a vinyl pipe, its waist is weak and it bends or bends in the water absorption pipe. As a result, there is a problem that not only the flow efficiency of the water flow is increased by causing a vortex or a turbulent flow in the water flow rising in the water suction pipe, the filtration efficiency is lowered, but also the sound noise of the water flow becomes loud.
【０００４】さらに給気管は水槽内での長さ調節ができ
ないという課題もある。Further, there is a problem that the length of the air supply pipe cannot be adjusted in the water tank.
【０００５】本発明は上記実情にかんがみてなされたも
ので、前記課題をすべて解決した新規な濾過装置を提供
することを目的とするものである。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a novel filtration device which solves all the above problems.
【０００６】[0006]
【課題を解決するための手段】前記目的達成のため、本
発明の特徴とするところは、水槽内に設けられ、その内
部の水を浄化する濾過装置であって、前記水槽内に縦方
向に着脱自在に取付けられ、下端が濾材を通して水槽内
底部に連通され、また上端が水槽内上部に開口される、
伸縮自在な吸水管と、前記吸水管内に、その中心軸線に
沿って縦通されて下端にエアストンが接続され、上端に
エアポンプが接続される、伸縮自在な硬質パイプよりな
る給気管とよりなり、前記吸水管の上，下部に、前記給
気管の上，下部がそれぞれ取付けられ、吸水管の伸縮調
節に追従して給気管が伸縮調節される。In order to achieve the above-mentioned object, a feature of the present invention is a filtering device which is provided in a water tank and purifies water in the water tank. Removably attached, the lower end communicates with the bottom part inside the water tank through the filter medium, and the upper end opens to the upper part inside the water tank,
An expandable water absorption pipe, and in the water absorption pipe, vertically connected along the central axis, the lower end is connected to the air stone, the upper end is connected to the air pump, consisting of an expandable hard pipe air supply pipe, The upper and lower parts of the air supply pipe are attached to the upper and lower parts of the water suction pipe, respectively, and the expansion and contraction of the air supply pipe is adjusted in accordance with the expansion and contraction adjustment of the water absorption pipe.
【０００７】[0007]
【実施例】以下図１〜６を参照して本発明の好適な第１
実施例について説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred first embodiment of the present invention will be described with reference to FIGS.
Examples will be described.
【０００８】図１は、本発明装置を装備した水槽の一部
破断斜視図、図２は、図１の２−２線に沿う拡大縦断面
図、図３は、図２の３−３線に沿う横断面図、図４は、
図２の４−４線に沿う横断面図であり、これらの図にお
いて、透明の硬質合成樹脂材よりなる吸水管ＰW は固定
管１の上部に可動管２を伸縮自在に嵌装して構成され
る。真直な可動管２上端には略直角に屈曲される放水管
３が固着され、その開口端は水槽Ｖ内に開口される。ま
た真直な固定管１の上，下部には、吸盤取付部４，５が
固着され、これらの取付部４，５に吸盤６，６が着脱自
在に取付けられ、これらの吸盤６，６を水槽Ｖの内壁面
に吸着させることにより、吸水管ＰW はその内壁面に沿
って縦方向に着脱自在に吸着支持される。FIG. 1 is a partially broken perspective view of a water tank equipped with the device of the present invention, FIG. 2 is an enlarged vertical sectional view taken along the line 2-2 of FIG. 1, and FIG. 3 is a line 3-3 of FIG. Fig. 4 is a cross-sectional view along
FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 2, in which the water absorption pipe P W made of a transparent hard synthetic resin material is obtained by mounting the movable pipe 2 on the fixed pipe 1 in a telescopic manner. Composed. A water discharge pipe 3 which is bent at a substantially right angle is fixed to the upper end of the straight movable pipe 2, and the open end thereof is opened in the water tank V. Further, suction cup mounting portions 4 and 5 are fixed to the upper and lower portions of the straight fixed pipe 1, and suction cups 6 and 6 are detachably mounted to these mounting portions 4 and 5, and these suction cups 6 and 6 are attached to a water tank. By adsorbing to the inner wall surface of V, the water absorption pipe P W is removably adsorbed and supported in the vertical direction along the inner wall surface.
【０００９】前記吸水管ＰW には、その可動管２と固定
管１とにわたり、その中心軸線ｌ1 −ｌ1 に沿って透明
硬質合成樹脂材よりなる給気管ＰA が縦通、支持され
る。この給気管ＰA は下部の外管７に、上部の内管８を
伸縮自在に嵌装してなり、内管８の上端は、吸水管ＰW
の可動管２上端中央に固着されて、該可動管２と共に上
下動可能である。また前記外管７は、その下端にエアス
トン９が固着されて吸水管ＰW の固定管１の中心軸線上
に固定される。すなわち外管７の下端には接続管７1 を
介して十字状の案内ステー１１が固着され、このステー
１１は図２，３に示すように固定管１の内周面の段部１
０に係合されて上方移動が抑止される。またエアストン
９の下端は図２，４に示すように固定管１の内面に放射
状に突設した数条の支持ウエブ１２の傾斜面に係合して
下方への移動が抑止され、該支持ウエブ１２と案内ステ
ー１１とで、給気管ＰA の外管７は、固定管１の中心軸
線上に上下動不能に取付けられる。An air supply pipe P A made of a transparent hard synthetic resin material is longitudinally supported by the water suction pipe P W along the movable pipe 2 and the fixed pipe 1 along the central axis l 1 -l 1. It This air supply pipe P A is formed by elastically fitting an upper inner pipe 8 to a lower outer pipe 7, and the upper end of the inner pipe 8 is a water absorption pipe P W.
It is fixed to the center of the upper end of the movable tube 2 and can move up and down together with the movable tube 2. The outer tube 7 is fixed on the central axis of the fixed tube 1 of the water absorption tube P W by fixing an air stone 9 to the lower end thereof. That is, the lower end of the outer tube 7 a cross-shaped guide stay 11 via a connecting pipe 71 is fixed, the stay 11 is stepped portion 1 of the inner peripheral surface of the fixed tube 1 as shown in FIGS. 2 and 3
It is engaged with 0 to prevent upward movement. As shown in FIGS. 2 and 4, the lower end of the air stone 9 engages with the inclined surfaces of several support webs 12 radially protruding from the inner surface of the fixed tube 1 to prevent the downward movement of the support web 12. The outer pipe 7 of the air supply pipe P A is mounted on the central axis of the fixed pipe 1 so as not to be vertically movable by the 12 and the guide stay 11.
【００１０】吸水管ＰW の下端、すなわち固定管１の下
端には、エルボ状のジョイント１４を介して水平な導水
管１５の一端が回動自在にかつ着脱自在に接続され、さ
らに導水管１５の他端にエルボ状ジョイント１６を介し
て略鉛直方向に延びる濾材取付管１７が回動自在にかつ
着脱自在に接続される。濾材取付管１７にはその略全周
にわたって多数の小孔１８…が穿設され、かつその下部
が径大に形成されて後述の濾材２０の支持用受段部１９
か形成されている。濾材取付管１７には、前記小孔１８
…を覆うように、３個の濾材２０‥が積層して抜差自在
に嵌挿されて前記受段部１９に支持され、濾材取付管１
７の上端に嵌着される止具２１により抜け出ないように
止められる。前記濾材２０は多孔質のスポンジ体により
円筒状に構成され、その外周面は横断面コルゲート状に
形成されて濾過面積が拡大されるとともに好気性バクテ
リヤが付着、繁殖し易いようにしてある。One end of a horizontal water guide pipe 15 is rotatably and detachably connected to the lower end of the water suction pipe P W , that is, the lower end of the fixed pipe 1 through an elbow-shaped joint 14, and the water guide pipe 15 is further connected. A filter medium mounting tube 17 extending in a substantially vertical direction is connected to the other end of the shaft through an elbow joint 16 so as to be rotatable and detachable. A large number of small holes 18 are formed in the filter medium mounting pipe 17 over substantially the entire circumference thereof, and the lower portion thereof is formed to have a large diameter, so that a supporting step portion 19 for supporting a filter medium 20 described later is formed.
Is formed. The filter material mounting pipe 17 has the small hole 18
The three filter media 20 are stacked so as to cover the filter media and are inserted into and removed from each other so as to be supported by the receiving portion 19.
A stopper 21 fitted on the upper end of 7 prevents the stopper 7 from slipping out. The filter medium 20 is formed of a porous sponge into a cylindrical shape, and the outer peripheral surface thereof is formed in a corrugated cross-section so that the filtration area is expanded and aerobic bacteria are easily attached and propagated.
【００１１】前記濾材２０‥は、濾材取付管１７と共に
導水管１５の中心軸線ｌ2 −ｌ2 回りに回動可能であ
る。図５は濾材２０‥を略鉛直に起立した濾過装置の使
用状態の側面図であり、図６は、濾材２０‥を略水平に
伏倒した濾過装置の使用状態の正面図であり、この場合
図６に鎖線で示すように濾材２０‥を水槽Ｖ内に敷設さ
れる砂利２２によって被覆するようにしてもよい。The filter medium 20 ... Can be rotated together with the filter medium mounting pipe 17 about the central axis l 2 -l 2 of the water guiding pipe 15. FIG. 5 is a side view of a filter device in which the filter media 20 ... Stand up substantially vertically, and FIG. 6 is a front view of a filter device in which the filter media 20. As shown by the chain line in FIG. 6, the filter medium 20 may be covered with gravel 22 laid in the water tank V.
【００１２】給気管ＰA の上端、すなわち内管８の上端
にはＬ字状に屈曲した屈曲ジョイント２３が鉛直軸回り
に回動自在に接続され、この屈曲ジョイント２３にエア
チューブ２４を介して従来公知のエアポンプ２５が接続
される。At the upper end of the air supply pipe P A , that is, at the upper end of the inner pipe 8, a bent joint 23 bent in an L shape is connected rotatably around a vertical axis, and an air tube 24 is connected to the bent joint 23. A conventionally known air pump 25 is connected.
【００１３】而して前記屈曲ジョイント２３はＬ字状で
あることにより、図２に示すように吸水管ＰW を水槽Ｖ
のガラス蓋２６一杯まで引伸ばしてもエアチューブ２４
が前記ガラス蓋２６に当って折れ曲がることがなく、ま
た屈曲ジョイント２３は３６０°自由に回動してエアチ
ューブ２４、エアポンプ２５の配置がし易い。Since the bending joint 23 is L-shaped, the water absorption pipe P W is connected to the water tank V as shown in FIG.
The glass tube 26 of the air tube 24 even if stretched to the full
Does not come into contact with the glass lid 26 and is not bent, and the bending joint 23 is freely rotatable by 360 ° so that the air tube 24 and the air pump 25 can be easily arranged.
【００１４】次に図１〜６に示す第１実施例の作用につ
いて説明するに、吸水管ＰW の下端に濾材２０‥を組付
けた濾材取付管１７を接続したのち、この吸水管ＰW を
吸盤６，６により水槽Ｖの内壁面に沿って縦方向に吸着
支持させる。次に水槽Ｖ内の高さに合わせて吸水管ＰW
の可動管２を、固定管１に対して伸縮調節して適正高さ
に保持する。この場合可動管２の長さ調節に追従して給
気管ＰA の長さも調節される。[0014] Next will be described the operation of the first embodiment shown in Figures 1-6, after connecting to the filter media attachment tube 17 assembled with the filter medium 20 ‥ the lower end of the water pipe P W, the suction pipe P W Are suction-supported in the vertical direction along the inner wall surface of the water tank V by the suction cups 6 and 6. Next, in accordance with the height in the water tank V, the water absorption pipe P W
The movable tube 2 of 1 is expanded and contracted with respect to the fixed tube 1 to be held at an appropriate height. In this case, the length of the air supply pipe P A is also adjusted by following the adjustment of the length of the movable pipe 2.
【００１５】こゝでエアポンプ２５を駆動すれば、圧力
エアは給気管ＰA 及びエアストン９を通って吸水管ＰW
に圧送され、該管ＰW を上昇して水槽Ｖ内に放出され
る。これにより吸水管ＰW 内には上昇流を生じ、水槽Ｖ
内の水は図２矢印ａに示すように濾材２０‥を通って濾
過されたのち小孔１８‥を通って濾材取付管１７に流入
し、そこから吸水管ＰW 内を上昇して水槽Ｖ内に還流さ
れる。When the air pump 25 is driven here, the pressure air passes through the air supply pipe P A and the air stone 9 and the water suction pipe P W.
Is discharged to the water tank V by ascending the pipe P W. As a result, an upward flow is generated in the water absorption pipe P W , and the water tank V
Water of the internal flows into filter media attachment tube 17 through the small holes 18 ‥ after being filtered through the filter medium 20 ‥ as shown in FIG. 2 arrow a, the water tank V by increasing the water pipe P W therefrom Is refluxed in.
【００１６】ところで前記給気管ＰA は硬質パイプによ
り構成されて吸水管ＰW 内の中心軸線ｌ1 −ｌ1 に沿っ
て縦通されるので、該吸水管ＰW 内には、その全域にわ
たって断面積変化のない水通路が形成され、そこを流れ
る水は乱流や渦流を生じることなく気泡とともに層流と
なって均等に流れ、水の流れ抵抗を少なくして濾過能率
が高められるとともに水流音を小さくすることができ
る。By the way since the air charge P A is passed longitudinally along is constituted by a rigid pipe to the central axis l 1 -l 1 in water suction pipe P W, the water absorbing pipe P W, over its entire area A water passage with no change in cross-sectional area is formed, and the water flowing therethrough flows uniformly as a laminar flow with bubbles without turbulence or vortex flow, reducing the flow resistance of water and improving the filtration efficiency. The sound can be reduced.
【００１７】前記濾材２０はその数、形状、大きさ等を
変更して濾材取付管１７に取付けられるようになってお
り、図７には４個の濾材２０を取付ける場合が示され
る。濾材取付管１７の上端にはこれと同一構造の補助管
２８が着脱自在に接続され、この補助管２８に四つ目の
濾材２０が抜差自在に嵌合される。そしてこの補助管２
８の開口上端に止具２１が取付けられる。The filter media 20 are adapted to be mounted on the filter media mounting pipe 17 with the number, shape, size, etc. being changed. FIG. 7 shows a case where four filter media 20 are installed. An auxiliary pipe 28 having the same structure as this is detachably connected to the upper end of the filter medium mounting pipe 17, and a fourth filter medium 20 is removably fitted into the auxiliary pipe 28. And this auxiliary pipe 2
A stopper 21 is attached to the upper end of the opening of 8.
【００１８】なお、濾材取付管１７には、さらに補助管
２８を継ぎ足して５つ以上の濾材２０を積層して取付け
ることができる。また濾材２０の大きさ、形状を変える
ことも可能である。It should be noted that the filter medium mounting pipe 17 can be further attached with an auxiliary pipe 28 so that five or more filter mediums 20 can be laminated and mounted. It is also possible to change the size and shape of the filter medium 20.
【００１９】さらに前記実施例では吸水管ＰW および給
気管ＰA は何れも二段に形成して伸縮可能にしたものを
説明したが、これらを三段以上に形成してテレスコープ
式に伸縮可能に形成してもよい。Further, in the above-described embodiment, the water suction pipe P W and the air supply pipe P A are both formed in two steps so that they can be expanded and contracted. However, these are formed in three steps or more and telescopically expanded and contracted. It may be formed as possible.
【００２０】また吸水管ＰW 、および給気管ＰA は何れ
も透明硬質合成樹脂材により形成した場合を説明した
が、それらは他の材料により形成してもよいことは勿論
である。Although the water suction pipe P W and the air supply pipe P A are both made of transparent hard synthetic resin material, they may be made of other materials.
【００２１】[0021]
【発明の効果】以上のように本発明によれば、水中内に
設けられる濾過装置において、吸水管内には、その中心
軸線に沿って給気管が縦通されるので、吸水管内を流れ
る水は乱流、渦流を生じることなく層流となって抵抗少
なく流れ、濾過能率を向上できるとともに水流音を小さ
くして濾過装置の作動騒音を低減することができる。As described above, according to the present invention, in the filtering device provided in the water, since the air supply pipe is vertically passed through the water absorption pipe along the central axis thereof, the water flowing in the water absorption pipe is prevented. A laminar flow is generated without generating turbulent flow and eddy flow, and the flow is low in resistance, the filtration efficiency can be improved, and the water flow noise can be reduced to reduce the operating noise of the filtration device.
【００２２】また給気管は吸水管に追従して伸縮可能で
あるので、吸水管はその適正長さに自由に調節すること
ができ、水槽の大きさに応じて常に適正長さに保つこと
ができ、その際吸水管内の給気管は常に吸水管の中心軸
線に沿っており、撓曲することがない。Further, since the air supply pipe can be expanded and contracted following the water absorption pipe, the water absorption pipe can be freely adjusted to an appropriate length, and can always be maintained at an appropriate length according to the size of the water tank. In this case, the air supply pipe in the water suction pipe is always along the central axis of the water suction pipe and does not bend.
【００２３】また前記実施例のように給気管の上端にＬ
字状に屈曲した屈曲ジョイントを回動自在に接続すれ
ば、該ジョイントに接続されるエアチューブが極端に折
れ曲がることがなく、また屈曲ジョイントの方向を自由
に変えてそこに接続されるエアチューブやエアポンプの
配置がし易くなる。Further, as in the above embodiment, L is provided at the upper end of the air supply pipe.
If the bending joint bent in a letter shape is rotatably connected, the air tube connected to the joint will not be bent extremely, and the direction of the bending joint can be freely changed, and the air tube connected to the bending joint can be freely changed. The arrangement of the air pump becomes easy.
【図１】本発明装置を装備した水槽の一部破断斜視図FIG. 1 is a partially cutaway perspective view of an aquarium equipped with the device of the present invention.
【図２】図１の２−２線に沿う拡大縦断面図FIG. 2 is an enlarged vertical sectional view taken along line 2-2 of FIG.
【図３】図２の３−３線に沿う横断面図3 is a cross-sectional view taken along the line 3-3 of FIG.
【図４】図２の４−４線に沿う横断面図4 is a cross-sectional view taken along the line 4-4 of FIG.
【図５】濾材を起立した濾過装置の使用状態の側面図FIG. 5 is a side view of the filtration device in which the filtration material is erected and in use.
【図６】濾材を伏倒した濾過装置の使用状態の正面図FIG. 6 is a front view of a use state of a filtration device in which a filter medium is laid down.
【図７】濾材の変型例の一部縦断側面図FIG. 7 is a partially longitudinal side view of a modified example of the filter medium.
９ エアストン ２０ 濾材 ２３ 屈曲ジョイント ２５ エアポンプ ｌ1 −ｌ1 中心軸線 ＰA 給気管 ＰW 吸水管9 Airstone 20 Filter medium 23 Bending joint 25 Air pump l 1 -l 1 Center axis P A Air supply pipe P W Water absorption pipe
Claims (2)
を浄化する濾過装置であって、 前記水槽（Ｖ）内に縦方向に着脱自在に取付けられ、下
端が濾材（２０）を通して水槽（Ｖ）内底部に連通さ
れ、また上端が水槽（Ｖ）内上部に開口される、伸縮自
在な吸水管（ＰW ）と、 前記吸水管（ＰW ）内に、その中心軸線（ｌ1 −ｌ1 ）
に沿って縦通されて下端にエアストン（９）が接続さ
れ、上端にエアポンプ（２５）が接続される、伸縮自在
な硬質パイプよりなる給気管（ＰA ）とよりなり、 前記吸水管（ＰW ）の上，下部に、前記給気管（ＰA ）
の上，下部がそれぞれ取付けられ、吸水管（ＰW ）の伸
縮調節に追従して給気管（ＰA ）が伸縮調節されるよう
にしたことを特徴とする濾過装置。1. A filtering device provided in a water tank (V) for purifying water therein, which is vertically removably mounted in the water tank (V) and has a lower end through a filter medium (20). communicates with the bottom in the aquarium (V), also an upper end is open to the top in the aquarium (V), telescopic suction pipe and (P W), in the suction pipe (P W) within the central axis (l 1- l 1 )
Along the longitudinal threaded in Easuton the lower end (9) is connected, an air pump (25) is connected to the upper end, consisting of telescoping rigid pipes become more and the air supply pipe (P A), wherein the suction pipe (P W) on the, the lower, the supply pipe (P a)
A filter device, wherein upper and lower parts are attached respectively, and the air supply pipe (P A ) is expanded and contracted according to the expansion and contraction adjustment of the water absorption pipe (P W ).
に屈曲した、エアポンプ（２５）への接続用屈曲ジョイ
ント（２３）が回動自在に接続される第１項記載の濾過
装置。2. The bending joint (23) for connecting to an air pump (25), which is bent in an L shape, is rotatably connected to an upper end of the air supply pipe (P A ). Filtration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3336615A JPH0736882B2 (en) | 1991-12-19 | 1991-12-19 | Filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3336615A JPH0736882B2 (en) | 1991-12-19 | 1991-12-19 | Filtration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05168825A true JPH05168825A (en) | 1993-07-02 |
| JPH0736882B2 JPH0736882B2 (en) | 1995-04-26 |
Family
ID=18300990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3336615A Expired - Fee Related JPH0736882B2 (en) | 1991-12-19 | 1991-12-19 | Filtration device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736882B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08281026A (en) * | 1995-04-07 | 1996-10-29 | Kozo Shirase | Sponge filter device for purifying water |
| US6416724B1 (en) * | 1997-03-24 | 2002-07-09 | Tamfelt Oyj Abp | Method for cleaning of combustion gas containing impurities |
| KR100791056B1 (en) * | 2007-10-01 | 2008-01-04 | 강동완 | Contaminat elminating apparatus for aquarium |
| JP2009045596A (en) * | 2007-08-22 | 2009-03-05 | Wako Filter Technology Kk | Filter element |
| KR100948779B1 (en) * | 2009-07-22 | 2010-03-24 | 심윤경 | Sponge filter with uv lamp |
| US20110062605A1 (en) * | 2008-02-26 | 2011-03-17 | Shunsuke Takada | Splash suppressing device for water tank |
| JP2011167167A (en) * | 2010-02-22 | 2011-09-01 | Suisaku Kk | Internal filtration device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61165117A (en) * | 1985-12-02 | 1986-07-25 | Toshiba Corp | Program control device |
-
1991
- 1991-12-19 JP JP3336615A patent/JPH0736882B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61165117A (en) * | 1985-12-02 | 1986-07-25 | Toshiba Corp | Program control device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08281026A (en) * | 1995-04-07 | 1996-10-29 | Kozo Shirase | Sponge filter device for purifying water |
| US6416724B1 (en) * | 1997-03-24 | 2002-07-09 | Tamfelt Oyj Abp | Method for cleaning of combustion gas containing impurities |
| JP2009045596A (en) * | 2007-08-22 | 2009-03-05 | Wako Filter Technology Kk | Filter element |
| KR100791056B1 (en) * | 2007-10-01 | 2008-01-04 | 강동완 | Contaminat elminating apparatus for aquarium |
| US20110062605A1 (en) * | 2008-02-26 | 2011-03-17 | Shunsuke Takada | Splash suppressing device for water tank |
| KR100948779B1 (en) * | 2009-07-22 | 2010-03-24 | 심윤경 | Sponge filter with uv lamp |
| JP2011167167A (en) * | 2010-02-22 | 2011-09-01 | Suisaku Kk | Internal filtration device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736882B2 (en) | 1995-04-26 |
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