JPH0433994Y2 - - Google Patents
Info
- Publication number
- JPH0433994Y2 JPH0433994Y2 JP1986180528U JP18052886U JPH0433994Y2 JP H0433994 Y2 JPH0433994 Y2 JP H0433994Y2 JP 1986180528 U JP1986180528 U JP 1986180528U JP 18052886 U JP18052886 U JP 18052886U JP H0433994 Y2 JPH0433994 Y2 JP H0433994Y2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- guide plate
- cleaning
- cleaning device
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004140 cleaning Methods 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 38
- 239000007921 spray Substances 0.000 claims description 21
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 7
- 239000010408 film Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011552 falling film Substances 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cleaning In General (AREA)
- Nozzles (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、化学物質などを貯蔵するためのタン
ク、特に少なくとも天井部に球面を有する球形或
いは円筒形タンクの内面を化学的に洗浄する装置
に関するものである。[Detailed description of the invention] [Field of industrial application] The present invention is an apparatus for chemically cleaning the inner surface of a tank for storing chemical substances, especially a spherical or cylindrical tank having a spherical surface at least on the ceiling. It is related to.
一般に、化学物質貯蔵用のタンクは、その内面
を錆除去及び防錆のために、タンク建設時または
定期的な検査時に化学的洗浄が行なわれている。
Generally, the inner surface of a tank for storing chemical substances is chemically cleaned to remove and prevent rust during tank construction or periodic inspection.
従来では、タンクを化学的に洗浄する方法の一
つとして多用されるスプレー洗浄方法では、回転
ジエツタ或いはスプリンクラーなどの回転しなが
ら散液する装置が、簡便で施工法も簡略であるこ
とからしばしば用いられる。 Conventionally, in the spray cleaning method, which is often used as a method for chemically cleaning tanks, equipment that sprays liquid while rotating, such as a rotating jetter or sprinkler, is often used because it is simple and easy to install. It will be done.
しかし、これら従来の装置では、噴霧の液が壁
面に到達する時点での接触角度がまちまちであ
り、殊に壁面に対して垂直に近過ぎることから壁
面に到達した液が、反射されて、十分に壁面に拡
がらず行き亘らなくてその作用が不安定であるほ
か、壁面上の同一点では洗浄液が間欠的にしか作
用しないため、壁面での洗浄液の流れが定常的に
ならない。即ち、給水口部に散水板を配備し、該
散水板に衝突させて噴出することが実開昭61−
159093号、特開昭60−5275号及び実公昭49−
26880号、実開昭59−82593号公報などで試みられ
ているが、いずれも壁面に到達した液の大部分が
反射されて壁面から落下してしまい、その結果、
従来の洗浄装置ではタンク内壁面での洗浄作用が
不安定となり十分良い効果が得られず、錆が壁面
に残留したり、あるいは除去後に再び新たな錆を
発生させたりする欠点があつた。
However, with these conventional devices, the contact angle at which the spray liquid reaches the wall surface varies, and in particular, because the spray liquid is too close to perpendicular to the wall surface, the liquid that reaches the wall surface is reflected and is not sufficient. In addition, the cleaning liquid does not spread over the wall surface and its action is unstable, and since the cleaning liquid acts only intermittently at the same point on the wall surface, the flow of the cleaning liquid on the wall surface is not constant. In other words, it was developed in 1983 that a water sprinkling plate was installed at the water supply port, and water was ejected by colliding with the water sprinkling plate.
No. 159093, Japanese Patent Application Publication No. 1983-5275, and Publication No. 1983-
26880 and Utility Model Application Publication No. 59-82593, etc., but in both cases, most of the liquid that reaches the wall is reflected and falls from the wall, and as a result,
Conventional cleaning devices have the disadvantage that the cleaning action on the inner wall of the tank is unstable and a sufficiently good effect cannot be obtained, and that rust remains on the wall or new rust is generated again after removal.
また、回転ジエツタのスプレーによる洗浄でも
同じように、錆を完全に除去することは困難であ
り、エチレンオキサイドモノマーのような、鉄錆
が存在しては不都合な貯蔵タンクの内壁面の洗浄
にはこの方法は適用できない問題があつた。 Similarly, spray cleaning of rotating jetters is difficult to completely remove rust, and is not suitable for cleaning the inner walls of storage tanks such as ethylene oxide monomer, where the presence of iron rust is inconvenient. There was a problem with this method that made it unapplicable.
本考案は、これら従来の諸欠点を排除し、貯蔵
タンクの内壁面の洗浄をより適確に行う装置即
ち、タンク内壁面に沿つて均等で定常的かつ安定
な洗浄液の流下膜を形成し、タンク内壁面の表面
に常に一定性状の洗浄液を供給することで、錆除
去及び発錆を防止できる取扱い簡易で経済的な洗
浄装置を提供することを目的としたものである。 The present invention eliminates these conventional drawbacks and is a device that more accurately cleans the inner wall surface of a storage tank. The object of the present invention is to provide an easy-to-handle and economical cleaning device that can remove rust and prevent rust formation by constantly supplying a cleaning liquid with a constant property to the inner wall surface of a tank.
本考案は、タンク内壁面に洗浄液を噴射してタ
ンクの化学洗浄を行なう洗浄装置において、タン
ク１の上部にあるマンホール１1からタンク１内
に導入される洗浄液給液用の導管２の末端に管状
のスプレー部材３を備え、該管状のスプレー部材
３の端部に先端部を10〜30度の角度で上り勾配α
としたリング状ガイド板５を設け、該ガイド板５
に対向して有底筒体１２を管状スプレー部材３の
固定用支持座９に設けられた支軸１０を介して配
備して、該有底筒体１２と前記ガイド板５との間
にスリツト状の間隙でノズル１１を形成し、タン
ク１の天井球状内壁面に接近して配備したことを
特徴とするタンクの洗浄装置である。
The present invention is a cleaning device that performs chemical cleaning of a tank by spraying a cleaning liquid onto the inner wall surface of the tank. A tubular spray member 3 is provided, and the tip is attached to the end of the tubular spray member 3 at an upward slope α of 10 to 30 degrees.
A ring-shaped guide plate 5 is provided, and the guide plate 5
A cylindrical body 12 with a bottom is disposed opposite to the support seat 9 for fixing the tubular spray member 3 via a support shaft 10, and a slit is formed between the cylindrical body 12 with a bottom and the guide plate 5. This is a tank cleaning device characterized in that a nozzle 11 is formed in a gap having a shape of 1, and is disposed close to the spherical inner wall surface of the ceiling of the tank 1.
例えば、クエン酸アンモンを含む前記化学洗浄
液は、球型タンク１中の底部に若干量貯留し、ポ
ンプ（図示せず）を含む配管４でマンホール１1
へ循環するようにセツトし、スプレー部材３で形
成されるノズル１１から洗浄液をタンク内壁面に
浅い角度で接触するように噴射する。即ち、洗浄
液給液用の導管２をスプレー部材３に至つた液は
有底筒体１２に圧入され整流されて、有底筒体１
２とガイド板５との間に形成されたスリツト状の
ノズル１１からガイド板５に上向き角度に誘導さ
れつつ全周に拡がつてタンク内壁面に膜状で噴出
され、天井部への給液の一部が上側に分散されて
タンク内壁面の天井部から覆つてのち、全周囲均
等な流れをつくり下流壁面にも充分な量の液流を
確保して効率よい洗浄ができる。
For example, a small amount of the chemical cleaning solution containing ammonium citrate is stored at the bottom of a spherical tank 1, and a pipe 4 containing a pump (not shown) is connected to a manhole 1.
The cleaning liquid is set so as to circulate through the tank, and the cleaning liquid is sprayed from the nozzle 11 formed by the spray member 3 so as to contact the inner wall surface of the tank at a shallow angle. That is, the liquid that has reached the spray member 3 through the cleaning liquid supply conduit 2 is press-fitted into the bottomed cylinder 12 and is rectified.
From a slit-shaped nozzle 11 formed between the guide plate 5 and the guide plate 5, the liquid is guided upward to the guide plate 5, spreads around the entire circumference, and is ejected in a film form onto the inner wall of the tank, supplying the liquid to the ceiling. A portion of the liquid is dispersed upward and covers the inner wall of the tank from the ceiling, creating an even flow around the entire circumference and ensuring a sufficient amount of liquid flow to the downstream wall for efficient cleaning.
本考案を球型タンクの場合に適用した例につい
て図面を参照して説明すると、第１図において球
型のタンク１内に噴射される洗浄液が、タンク内
壁面に定常的で、かつ安定な流下液膜が形成され
るようにするためタンク１の上部にあるマンホー
ル１1からタンク１内に導入される洗浄液給液用
の導管２の末端に連通状態下にスプレー部材３を
着脱自在に連結配備してある。即ち、球型タンク
内面に定常的、かつ安定な洗浄液の流下液膜を形
成するためには、タンク１の上部で、マンホール
１1の首部のタンク内壁面に近接して、噴射圧力
１〜５Kgｆ／cm2程度の圧力で液を噴射してやれば
目的を達成できるが、また、タンク全周にわたり
均等な洗浄液の流下膜を得るためには、タンク内
面に近接してその中心部に位置する前記スプレー
部材３が、第２図に示すようにリング状のガイド
板５と有底筒体１２とで形成されるノズル１１を
備えたもので、このガイド板５はその先端部を10
〜30度の角度αで上り勾配とした円環板体で形成
し、該ガイド板５に隙間をあけて臨ましめられる
有底筒体１２が支軸１０に支持されて構成され、
前記ノズル１１の位置は、ガイド板５の先端部傾
斜の開始点よりも10〜20mm程度中心側に位置させ
た構造としてある。
An example in which the present invention is applied to a spherical tank will be explained with reference to the drawings. In Fig. 1, the cleaning liquid injected into the spherical tank 1 flows steadily and steadily onto the inner wall of the tank. In order to form a liquid film, a spray member 3 is removably connected in communication with the end of a conduit 2 for supplying cleaning liquid introduced into the tank 1 from a manhole 1 1 at the top of the tank 1. It has been done. That is, in order to form a steady and stable falling liquid film of the cleaning liquid on the inner surface of the spherical tank, it is necessary to apply an injection pressure of 1 to 5 Kgf at the upper part of the tank 1 , close to the tank inner wall surface at the neck of the manhole 11. The purpose can be achieved by spraying the liquid at a pressure of about /cm 2 , but in order to obtain an even falling film of cleaning liquid over the entire circumference of the tank, it is necessary to The member 3 is equipped with a nozzle 11 formed by a ring-shaped guide plate 5 and a bottomed cylinder 12, as shown in FIG.
A bottomed cylindrical body 12 formed of an annular plate with an upward slope at an angle α of ~30 degrees and facing the guide plate 5 with a gap is supported by a support shaft 10,
The nozzle 11 is positioned approximately 10 to 20 mm closer to the center than the starting point of the tip end inclination of the guide plate 5.
また、前記ノズル１１は、２〜10mm好ましくは
５mm程度のスリツト巾としたものであつて、着脱
自在のガイド板５の底面と、有底筒体１２の上縁
面とで形成する。 The nozzle 11 has a slit width of 2 to 10 mm, preferably about 5 mm, and is formed by the bottom surface of a detachable guide plate 5 and the upper edge surface of a bottomed cylinder 12.
前記スプレー部材３が、支軸１０で支持した有
底筒体１２とガイド板５との間にスリツト状の隙
間をあけてノズル１１を形成して備えてあるが、
該ノズル１１の隙間を調整するスペーサ８を支軸
１０に着脱自在に備えスペーサ８の厚みを変える
ことによつて、スリツト巾を自由に変えることが
できるようになつていて流れも自由に増減でき
る。 The spray member 3 is provided with a nozzle 11 formed with a slit-shaped gap between the bottomed cylinder 12 supported by the support shaft 10 and the guide plate 5;
A spacer 8 for adjusting the gap between the nozzles 11 is detachably attached to the support shaft 10, and by changing the thickness of the spacer 8, the slit width can be freely changed, and the flow can be freely increased or decreased. .
なお、前記スプレー部材３としては、管状部に
設けたフランジ部３1に着脱自在に備えられるガ
イド板５と、管状部内にある固定用支持座９に設
けた支軸１０に着脱自在に備えられる底板６付き
の円筒状の有底筒体１２とから成るもので、前記
ガイド板５は取りはずすことができ、タンク形状
に合つた角度のものと取り替え使用することが可
能である。 The spray member 3 is provided with a guide plate 5 removably attached to a flange portion 31 provided in the tubular portion, and a support shaft 10 provided on a fixing support seat 9 provided within the tubular portion. It consists of a cylindrical bottomed body 12 with a bottom plate 6, and the guide plate 5 can be removed and replaced with one having an angle that matches the shape of the tank.
更に、連絡配管４に連結される導管２にフラン
ジ部３2で接続される中継管１３の長さを変える
ことにより、マンホール１1の首の長さの変化に
応ずることも可能になつている。 Furthermore, by changing the length of the relay pipe 13 connected to the conduit 2 connected to the connecting pipe 4 at the flange portion 3 2 , it is also possible to respond to changes in the length of the neck of the manhole 1 1 . .
前記固定用支持座９としては、前記フランジ３
２に嵌合支持され中央に支軸１０をナツト７で固
着して垂下し、他端に有底筒体１２を嵌挿してナ
ツト７1で取外自在に装着してある。 As the fixing support seat 9, the flange 3
2 , a support shaft 10 is fixed to the center with a nut 7 and hangs down, and a bottomed cylindrical body 12 is fitted into the other end and removably attached with a nut 71 .
本考案の実施使用例では、ノズル１１の噴射口
径300mm、この部分のスリツト巾3.5mm、スペーサ
８の厚みを3.5mmとすることでガイド板５の先端
上向角度10°とした。導管２と中継管１３との口
径は、150mmで球型タンク１の最上部のマンホー
ル１1に固定した。 In the practical use example of the present invention, the nozzle 11 had an injection aperture diameter of 300 mm, the slit width in this part was 3.5 mm, and the spacer 8 had a thickness of 3.5 mm, so that the upward angle of the tip of the guide plate 5 was 10°. The diameter of the conduit 2 and the relay pipe 13 was 150 mm, and they were fixed to the manhole 11 at the top of the spherical tank 1.
この場合、洗浄液は1.5〜５Kgｆ／cm2の液圧範
囲及び130〜240m3／ｈの液量範囲で給液すると、
直径10〜13.5ｍ例えばタンク中部の最大径（13.2
ｍ）での液膜の厚さ約0.8mmの均等で定常的かつ
安定な洗浄液の流下膜が得られ、マンホール１1
の首部とタンク１との接合部からタンク内壁面全
体に液がゆき亘ることが確認された。 In this case, if the cleaning liquid is supplied in a liquid pressure range of 1.5 to 5 Kgf/cm 2 and a liquid volume range of 130 to 240 m 3 /h,
Diameter 10-13.5m For example, the maximum diameter in the middle of the tank (13.2m
An even, steady and stable falling film of cleaning liquid with a liquid film thickness of approximately 0.8 mm was obtained at manhole 1 1
It was confirmed that the liquid spread from the joint between the neck of the tank 1 and the tank 1 to the entire inner wall surface of the tank.
なお前記配管４中には、流量計及び圧力計を配
備して前記の如き流量範囲および圧力範囲に調整
するための検出部として使用するのがよい。その
調節手段としては、公知の手段、例えばバルブ調
整、ポンプ調整、その他の調整手段を選んで用い
る。 It is preferable that a flow meter and a pressure gauge be provided in the pipe 4 and used as a detection section for adjusting the flow rate and pressure range as described above. As the adjustment means, known means such as valve adjustment, pump adjustment, and other adjustment means are selected and used.
さらに洗浄効果を助長するために、洗浄液を加
温して行い、この加温の方法は、電熱方法や、過
熱蒸気の注入などの方法により効率良い洗浄を行
なう。 Furthermore, in order to promote the cleaning effect, the cleaning liquid is heated, and the heating method is an electric heating method, injection of superheated steam, or the like, and efficient cleaning is performed.
本考案はタンクの上部にあるマンホールからタ
ンク内に導入される洗浄液供給用の導管に管状の
スプレー部材を備え、該管状のスプレー部材の端
部に先端部を10〜30度の角度で上り勾配αとした
リング状ガイド板を設け、該ガイド板に対向して
有底筒体を管状スプレー部材の固定用支持座に設
けられた支軸を介して配備して、該有底筒体と前
記ガイド板との間のスリツト状の間隙でノズルを
形成し、タンクの天井球状内壁面に接近して配置
したことで噴射洗浄液をタンク上部よりタンク内
壁面全周にわたり均等で定常的、かつ安定な液膜
を形成流下させ、天井部も含めた全内壁面の洗浄
を可能としたもので、その構造も簡単で駆動部も
なく、ノズル開口の調整による流量の変更も可能
で、かつタンクの形状に合せた噴射角度の微調整
も可能であり、適正な給液状態を保つことがで
き、タンク内の化学的洗浄が経済的で簡単な施工
でできる。
This invention is equipped with a tubular spray member in the conduit for supplying cleaning liquid introduced into the tank from the manhole at the top of the tank, and the tip is attached to the end of the tubular spray member at an upward slope of 10 to 30 degrees. A ring-shaped guide plate with α is provided, and a bottomed cylinder is disposed opposite to the guide plate via a support shaft provided on a support seat for fixing the tubular spray member. The nozzle is formed in the slit-like gap between the guide plate and placed close to the spherical inner wall of the tank ceiling, allowing the cleaning liquid to be sprayed evenly, steadily, and stably from the top of the tank to the entire circumference of the inner wall of the tank. This system forms a liquid film and allows it to clean the entire inner wall surface, including the ceiling.The structure is simple, there is no driving part, the flow rate can be changed by adjusting the nozzle opening, and the tank has a shape. It is also possible to fine-tune the injection angle to suit the needs of the tank, maintain an appropriate liquid supply state, and chemically clean the inside of the tank, which is economical and easy to install.
図面は本考案の実施例を示し、第１図は使用状
態の縦断面図、第２図は一部の拡大切断側面図で
ある。
１……タンク、１1……マンホール、２……導
管、３……スプレー部材、３1……フランジ部、
４……連絡配管、５……ガイド板、６……底板、
７，７1……ナツト、８……スペーサ、９……固
定用支持座、１０……支軸、１１……ノズル、１
２……有底筒体、１３……中継管。
The drawings show an embodiment of the present invention, with FIG. 1 being a longitudinal sectional view of the device in use, and FIG. 2 being a partially enlarged side view. 1...tank, 1 1 ...manhole, 2...conduit, 3...spray member, 3 1 ...flange part,
4...Connection piping, 5...Guide plate, 6...Bottom plate,
7,7 1 ...Nut, 8...Spacer, 9...Fixing support seat, 10...Spindle, 11...Nozzle, 1
2...Bottomed cylindrical body, 13...Relay pipe.
Claims (1)
天井に球面を有するタンクの内壁を化学洗浄を
行なう洗浄装置において、タンク１の上部にあ
るマンホール１1からタンク１内に導入される
洗浄液給液用の導管２に管状のスプレー部材３
を備え、該管状のスプレー部材３の端部に先端
部を10〜30度の角度で上り勾配αとしたリング
状ガイド板５を設け、該ガイド板５に対向して
有底筒体１２を管状スプレー部材３の固定用支
持座９に設けられた支軸１０を介して配備し
て、該有底筒体１２と前記ガイド板５との間に
スリツト状の間隙でノズル１１を形成し、タン
ク１の天井球状内壁面に接近して配備したタン
クの洗浄装置。 (2) 前記スプレー部材３が、端部に設けたフラン
ジ部３1にガイド板５を着脱自在に備えたもの
である実用新案登録請求の範囲第１項記載の洗
浄装置。 (3) 前記有底筒体１２が、支軸１０でガイド板５
に臨ましめて備えたものであつて、該ガイド板
５との隙間を調整するスペーサ８を支軸１０に
着脱自在に有しているものである実用新案登録
請求の範囲第１項又は第２項記載の洗浄装置。 (4) 前記ノズル１１が、５mm程度のスリツト巾と
したものであつて、ガイド板５の底面と有底筒
体１２の上縁面とで形成され、その間隙をスペ
ーサ８により調整できるようにした実用新案登
録請求の範囲第１〜３項のいずれか一つの項記
載の洗浄装置。[Scope of Claim for Utility Model Registration] (1) In a cleaning device for chemically cleaning the inner wall of a tank having at least a spherical surface on the ceiling by spraying a cleaning liquid onto the inner wall surface of the tank, there is provided a cleaning device for chemically cleaning the inner wall of a tank having a spherical surface at least on the ceiling. A tubular spray member 3 is connected to a conduit 2 for supplying cleaning liquid introduced into the interior.
A ring-shaped guide plate 5 is provided at the end of the tubular spray member 3, the tip of which has an upward slope α at an angle of 10 to 30 degrees, and a bottomed cylinder 12 is provided opposite to the guide plate 5. A nozzle 11 is formed in a slit-like gap between the bottomed cylinder 12 and the guide plate 5 by disposing it via a support shaft 10 provided on the fixing support seat 9 of the tubular spray member 3, A tank cleaning device installed close to the spherical inner wall of the tank 1. (2) The cleaning device according to claim 1, wherein the spray member 3 has a guide plate 5 detachably attached to a flange portion 31 provided at an end thereof. (3) The bottomed cylinder 12 is connected to the guide plate 5 by the support shaft 10.
Claims 1 or 2 of the Utility Model Registration Claim, which is provided in view of The cleaning device described. (4) The nozzle 11 has a slit width of about 5 mm, is formed by the bottom surface of the guide plate 5 and the upper edge surface of the bottomed cylinder 12, and the gap therebetween can be adjusted by a spacer 8. A cleaning device according to any one of claims 1 to 3 of the registered utility model claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986180528U JPH0433994Y2 (en) | 1986-11-26 | 1986-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986180528U JPH0433994Y2 (en) | 1986-11-26 | 1986-11-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6386890U JPS6386890U (en) | 1988-06-06 |
| JPH0433994Y2 true JPH0433994Y2 (en) | 1992-08-13 |
Family
ID=31124572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986180528U Expired JPH0433994Y2 (en) | 1986-11-26 | 1986-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0433994Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4720944U (en) * | 1971-04-09 | 1972-11-09 | ||
| JPS4926880U (en) * | 1972-06-10 | 1974-03-07 | ||
| JPS605275A (en) * | 1983-06-22 | 1985-01-11 | 釜野 稔優 | Tank washing apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5982593U (en) * | 1982-11-22 | 1984-06-04 | 株式会社資生堂 | Closed tank cleaner |
| JPH0315193Y2 (en) * | 1985-03-26 | 1991-04-03 |
-
1986
- 1986-11-26 JP JP1986180528U patent/JPH0433994Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4720944U (en) * | 1971-04-09 | 1972-11-09 | ||
| JPS4926880U (en) * | 1972-06-10 | 1974-03-07 | ||
| JPS605275A (en) * | 1983-06-22 | 1985-01-11 | 釜野 稔優 | Tank washing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6386890U (en) | 1988-06-06 |
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