JPH01155975A - Apparatus for cleaning plane type screen - Google Patents
Apparatus for cleaning plane type screenInfo
- Publication number
- JPH01155975A JPH01155975A JP31102087A JP31102087A JPH01155975A JP H01155975 A JPH01155975 A JP H01155975A JP 31102087 A JP31102087 A JP 31102087A JP 31102087 A JP31102087 A JP 31102087A JP H01155975 A JPH01155975 A JP H01155975A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- screen surface
- rotation
- cleaning
- washing liquid
- 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
- 238000004140 cleaning Methods 0.000 title claims description 48
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000005406 washing Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 8
- 230000002265 prevention Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、粉杖物を取扱う製鉄業や採鉱、採石業等にお
いて使用される平面型スクリーンの洗浄装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a cleaning device for a flat screen used in the steel industry, mining, quarrying industry, etc. in which powdered cane materials are handled.
〈従来の技術〉
従来、例えば製鉄所においては、溶鉱炉の前工程に傾斜
平面型スクリーンを使用して溶鉱炉への供給原料中の細
粒や粉状原料を篩分し、溶鉱炉内へ成る一定粒度以上の
原料を装入するようにしているが、スクリーンでの篩分
中に原料中の細粒や粉状原料が、スクリーン面の篩穴へ
あたかもくさびを打ち込んだ如(はさまり込んだり、或
いは、原料中の微粉がスクリーン面に付着成長し篩穴を
塞ぎ時効率を著しく低下させていた。このため篩分後に
人手によりこのような付着物を水洗除去していたが、人
手で行う故に時間が掛り作業頻度も、 限られるため、
十分な付着物の除去を行うことができなかった。<Conventional technology> Conventionally, for example, in a steelworks, an inclined plane screen is used in the pre-process of a blast furnace to sieve fine grains and powdery raw materials in the raw material fed to the blast furnace, so that particles with a constant particle size are fed into the blast furnace. The above raw materials are charged, but during the sieving process, fine grains and powdery raw materials in the raw materials may get stuck in the sieve holes on the screen surface as if they were wedged into the sieve holes. The fine powder in the raw materials grew and adhered to the screen surface, blocking the sieve holes and significantly reducing the efficiency.For this reason, after sieving, these deposits were removed by hand by washing with water, but since this was done manually, it was time-consuming. Since the frequency of work is limited,
It was not possible to remove the deposits sufficiently.
このようなスクリーン面の付着物の洗浄除去作業を機械
化する手段としては、スクリーン面の洗浄残滓を除去す
るための特開昭54−56240号公報に示すような揺
動ノズルを台車に乗せてスクリーン上を移動させる装置
や、特開昭59−142813号公報に示すような揺動
ノズルを複数個台車上に乗せてスクリーン上を移動させ
る装置が提寓されている。As a means to mechanize the cleaning and removal work of such deposits on the screen surface, a swinging nozzle as shown in Japanese Patent Application Laid-open No. 54-56240 for removing cleaning residue from the screen surface is placed on a trolley and the screen is removed. There have been proposed devices that move the top of the screen, and devices that move a plurality of swinging nozzles on a trolley as shown in Japanese Patent Laid-Open No. 59-142813.
〈ゝ発明が解決しようとする問題点〉
f しかし、前記装置のいずれもスクリーン上に台車
を設けるために、複雑で大損りな構造となり、また複数
のスクリーンの個々に洗浄装置を設ける必要があり、費
用も漠大なものとなる。また台車がスクリーン上を動(
ために台車への給水方法や台車の走行モーターへの給電
方法が複雑となり付帯設備も多くなることから、故障も
多くメンテナンス性も悪くなるという問題があった。<Problems to be Solved by the Invention> f However, in all of the above devices, since a cart is provided on the screen, the structure is complicated and costly, and it is necessary to provide a cleaning device for each of the plurality of screens. The costs would also be enormous. Also, the trolley moves on the screen (
Therefore, the method of supplying water to the trolley and the method of supplying power to the running motor of the trolley become complicated, and the number of incidental equipment increases, leading to problems such as frequent breakdowns and poor maintainability.
本発明は、前述のような従来技術の持つ欠点を解消し、
簡単かつコンパクトで設置費用が安価で故障も少くメン
テナンス性の良い平面スクリーンの洗浄装置を提供する
ことを目的とする。The present invention eliminates the drawbacks of the prior art as described above,
To provide a flat screen cleaning device that is simple and compact, has low installation cost, has few breakdowns, and is easy to maintain.
く問題点を解決するための手段〉
本発明は、平面型スクリーン面に対向して設けられた、
2軸以上の回転を組み合せることにより3次元回転をす
る自転式ノズルと、前記自転式ノズルに洗浄液を供給す
る洗浄液導管と、前記自転式ノズル又は洗浄液導管を保
持する保持部材とからなるものであり、更にこれらに前
記自転式ノズルの上方に洗浄水の飛散防止カバーを設け
たものである。Means for Solving Problems〉 The present invention provides a method for solving the above problems, which is provided opposite to a flat screen surface.
It consists of a self-rotating nozzle that rotates three-dimensionally by combining rotations on two or more axes, a cleaning liquid conduit that supplies cleaning liquid to the self-rotating nozzle, and a holding member that holds the self-rotating nozzle or the cleaning liquid conduit. Additionally, a cover for preventing splashing of cleaning water is provided above the rotating nozzle.
く作 用〉
洗浄液導管3aから供給される高圧洗浄液が2軸以上の
回転を組合せることにより3次元回転をする自転式ノズ
ル2内に入ると、高圧洗浄液の流動エネルギーや自転式
ノズル2の先端から噴射する高圧洗浄液の反力により、
自転式ノズル2は3次元回転をし、洗浄液はスクリーン
面1aに対して第2図に示す如き軌跡を描きながら、ス
クリーン面1aに衝突し、スクリーン面1aの付着物を
洗浄する。Function> When the high-pressure cleaning liquid supplied from the cleaning liquid conduit 3a enters the rotating nozzle 2, which rotates three-dimensionally by combining rotations on two or more axes, the flow energy of the high-pressure cleaning liquid and the tip of the rotating nozzle 2 are released. Due to the reaction force of the high pressure cleaning liquid sprayed from the
The rotating nozzle 2 rotates three-dimensionally, and the cleaning liquid collides with the screen surface 1a while tracing a trajectory as shown in FIG. 2 against the screen surface 1a, thereby cleaning the deposits on the screen surface 1a.
この際、自転式ノズル2の上方や左右から噴出する高圧
の洗浄液は、自転式ノズル2の上方に設けた洗浄液の飛
散防止カバーに当りで下方へ流れるので、洗浄液は外部
に飛散することがなく洗浄に寄与する。At this time, the high-pressure cleaning liquid ejected from above and from the left and right sides of the rotating nozzle 2 hits the cleaning liquid scattering prevention cover provided above the rotating nozzle 2 and flows downward, so the cleaning liquid does not scatter to the outside. Contributes to cleaning.
〈実施例〉
以下本発明の実施例を第1図に基づいて説嬰する。第1
図は、本発明の第1の実施例を示す概略系統図である。<Example> An example of the present invention will be explained below based on FIG. 1st
The figure is a schematic system diagram showing a first embodiment of the present invention.
第1図において、給水本管11aより分岐した給水導管
11bの給水弁10が開くことにより、洗浄水がストレ
ーナ−9を通過し貯水タンク7へ供給貯水される。In FIG. 1, when the water supply valve 10 of the water supply conduit 11b branched from the main water supply pipe 11a is opened, the wash water passes through the strainer 9 and is supplied and stored in the water storage tank 7.
貯水された洗浄水は昇圧ポンプ6により約130kg/
dまで昇圧され、送水管5a、を溝り切換弁4、送水管
5bを通過し給水導管3aの下部に連結された、2軸以
上の回転を組合せること←より3次元回転をする自転式
ノズル2よりスクリーン面1aに向って吐出する。The stored cleaning water is pumped to about 130kg/by pressure pump 6.
d, the water pipe 5a passes through the groove switching valve 4, the water pipe 5b, and is connected to the lower part of the water supply pipe 3a.The combination of two or more axes of rotation← allows for three-dimensional rotation. It is discharged from the nozzle 2 toward the screen surface 1a.
給水導管3aは、スクリーンの周囲の非振動架台23に
一端を固定された保持部材16により保持固定されてい
る。尚、採機部材16を省略し、送水管5bにより給水
導管3aを保持固定してもよい。The water supply conduit 3a is held and fixed by a holding member 16 whose one end is fixed to a non-vibrating frame 23 around the screen. Incidentally, the sampling member 16 may be omitted and the water supply conduit 3a may be held and fixed by the water supply pipe 5b.
又、17はスクリーン面1aの四囲に立設したフレーム
であり、13はフレーム17の上部に設けられた発塵防
止カバーである。Further, 17 is a frame erected around the four sides of the screen surface 1a, and 13 is a dust prevention cover provided on the upper part of the frame 17.
貯水タンク7は昇圧ポンプ6へ洗浄水を安定供給するた
めに設けられており、レベル計8a、8b、jcが併設
されている。レベル計8a、8b。The water storage tank 7 is provided to stably supply cleaning water to the boost pump 6, and level meters 8a, 8b, and jc are also provided. Level meters 8a, 8b.
8cは昇圧ポンプ6と給水弁lOに信号を出力するよう
になっており、レベル計8aの作動で給水弁10が閉、
レベル計8bの作動で給水弁10が開、レベル計80の
作動で昇圧ポンプ6が停止となる。8c outputs a signal to the boost pump 6 and the water supply valve lO, and the water supply valve 10 closes when the level meter 8a operates.
The water supply valve 10 is opened by the operation of the level meter 8b, and the boost pump 6 is stopped by the operation of the level meter 80.
ストレーナ−9は洗浄水中に含まれる異物を除去し自転
式ノズル2の水路詰りを防止する。切換弁4は洗浄すべ
きスクリーン1を選択するために設けてあり、切換えて
使用できるため昇圧ポンプ6の容量はスクリーン1基の
洗浄能力があればよい。The strainer 9 removes foreign matter contained in the washing water and prevents the waterway of the rotating nozzle 2 from clogging. The switching valve 4 is provided to select the screen 1 to be cleaned and can be used selectively, so the boost pump 6 only needs to have a capacity for cleaning one screen.
3次元回転をする自転式ノズル2は公知の市販のもので
よい力5、公知の市販の自転式ノズルと同様の洗浄軌跡
が得られるものであればどの様なものでも構わない。The three-dimensional rotating nozzle 2 may be a known commercially available one, and any type may be used as long as it can provide a cleaning trajectory similar to that of a known commercially available rotating nozzle.
しかして、給水導管3aから供給される高圧水が自転式
ノズル2内に入ると、高圧水の流動エネルギーと自転式
ノズル2の先端から噴出する高圧水の反力により、自転
式ノズル2が3次元回転し、周囲に高圧水を噴出し、成
る時間内に例えば第2図のA点からB点への連続曲線で
示すような軌跡を描きながらスクリーン面1aに洗浄水
が衝突し、スクリーン面1aの付着物を洗浄する。自転
式ノズル2の回転範囲とスクリーン面1aの寸法、スク
リーン面1aから自転ノズル2までの距離を適切に選べ
ば、或時間内には自転式ノズル2からの噴出流は、スク
リーン面1aをくまなく衝突し、洗浄することができる
。尚、自転式ノズル2への給水圧(ポンプ6の吐出圧)
および自転式ノズル2の取付位置(スクリーン面1aに
対向する平面位置及びスクリーン面1aからの距離)、
自転式ノズル2の取付個数を適切に選べば、即ちスクリ
ーン面1aの自転式ノズル2よりもっとも遠いコーナ一
部の洗浄効果が十分あるように選べば、スクリーン面1
aの全面をくまなく効果的に洗浄できる。又、スクリー
ン面la外への洗浄水の飛散は、スクリーン面1aの4
囲に立設したフレーム17の内壁面やその上部に設けら
れた発塵防止カバー13の内壁面でさえぎられてほとん
ど防止される。When the high-pressure water supplied from the water supply pipe 3a enters the rotating nozzle 2, the flowing energy of the high-pressure water and the reaction force of the high-pressure water jetting from the tip of the rotating nozzle 2 cause the rotating nozzle 2 to The cleaning water rotates dimensionally and spouts high-pressure water around it, and within the time it takes, the cleaning water collides with the screen surface 1a while drawing a trajectory as shown by the continuous curve from point A to point B in Figure 2, and the screen surface 1a. Clean the deposits in 1a. If the rotation range of the rotating nozzle 2, the dimensions of the screen surface 1a, and the distance from the screen surface 1a to the rotating nozzle 2 are appropriately selected, the jet flow from the rotating nozzle 2 can cover the screen surface 1a within a certain period of time. Can be washed without collision. In addition, the water supply pressure to the rotating nozzle 2 (discharge pressure of the pump 6)
and the mounting position of the autorotating nozzle 2 (the plane position facing the screen surface 1a and the distance from the screen surface 1a),
If the number of autorotating nozzles 2 to be installed is selected appropriately, that is, if it is selected so as to have a sufficient cleaning effect on a part of the corner of the screen surface 1a that is farthest from the autorotating nozzles 2, the screen surface 1
The entire surface of a can be effectively cleaned. Also, the splashing of washing water outside the screen surface 1a is
Most of the dust is prevented because it is blocked by the inner wall surface of the frame 17 erected in the enclosure and the inner wall surface of the dust prevention cover 13 provided above.
尚、この洗浄装置によれば、給水圧130kg/eJで
lO分程度洗浄することにより、半径1.5m以内を洗
浄残滓がなく、くまなく洗浄することができる。According to this cleaning device, by cleaning approximately 10 minutes at a water supply pressure of 130 kg/eJ, it is possible to thoroughly clean an area within a radius of 1.5 m without cleaning residue.
次に、本発明の第2の実施例を第3図により説明する。Next, a second embodiment of the present invention will be described with reference to FIG.
第3図は第2の実施例の1部断面側面図である。FIG. 3 is a partially sectional side view of the second embodiment.
前記第1図の実施例では、3次元回転をする自転式ノズ
ル2への給水導管3aは直接その上端を送水管5bの先
端に連結固定したが、本実施例では給水導管3aと送水
管5bとの間にホース3bを介在せしめ、自転式ノズル
2とスクリーン面1aとの間の距離を調節自在にしたも
ので、給水導管3aの一部は導水管クランプ装置18に
より上下にスライド固定自在にクランプされている。ク
ランプ装置18は水平方向に伸びるスライドアーム19
の一端に固定され、スライドアーム19の他端側の一部
はスライドアーム保持バイブ21内へ嵌挿され、スライ
ドアーム固定金具20で、適当な位置に固定されるよう
になっている。スライドアーム保持パイプ21の他端は
、スクリーン1の周囲の非振動架台23に立設されたポ
スト22で固定されている。尚、ボスト22は、旋回固
定自在な構造としてもよい。In the embodiment shown in FIG. 1, the upper end of the water supply conduit 3a to the three-dimensionally rotating autorotating nozzle 2 is directly connected and fixed to the tip of the water supply pipe 5b, but in this embodiment, the water supply conduit 3a and the water supply pipe 5b are A hose 3b is interposed between the nozzle 2 and the screen surface 1a, so that the distance between the rotating nozzle 2 and the screen surface 1a can be adjusted freely, and a part of the water supply pipe 3a can be slid up and down by a water pipe clamp device 18. It is clamped. The clamp device 18 has a slide arm 19 extending in the horizontal direction.
A part of the other end of the slide arm 19 is fitted into a slide arm holding vibe 21 and fixed at an appropriate position with a slide arm fixing fitting 20. The other end of the slide arm holding pipe 21 is fixed by a post 22 erected on a non-vibrating pedestal 23 around the screen 1. Note that the boss 22 may have a structure that can be rotated and fixed.
このように構成することにより、第1実施例では不可能
であった、自転式ノズル′2の3次元位置、即ちスクリ
ーン面1aからの距離及びスクリーン面1aに平行な面
内の位置を調節でき、スクリーン面1aの洗浄を十分に
かつ効率よく短時間で行えるような位置に、スクリーン
の寸法や篩分けする原材料の種類に応じて適宜調節し、
最適なノズル位置を設定できる。With this configuration, it is possible to adjust the three-dimensional position of the autorotating nozzle '2, that is, the distance from the screen surface 1a and the position in a plane parallel to the screen surface 1a, which was not possible in the first embodiment. , the screen surface 1a is adjusted appropriately according to the size of the screen and the type of raw material to be sieved, so as to be able to clean the screen surface 1a sufficiently and efficiently in a short time.
You can set the optimal nozzle position.
又第3図に示す実施例は、スクリーン面1aの周囲以外
へ飛散又は周囲に衝突し無駄に消費される洗浄液(水)
をスクリーン面1aの範囲内に限定流下させ洗浄効果を
上げるため、自転式ノズル2の上部に飛散防止カバー1
4を設けてあり、飛散防止カバー14は、スクリーン面
1aの形状(正方形か長方形か円形か)に応じた側壁と
天井からなり、側壁の下端は、自転式ノズル2からの噴
射流の最外周部(第3図の破線)がスクリーン面1aの
外周より外側(即ちフレーム17の下部)に衝突するよ
う、自転式ノズル2からの噴射流の一部をさえぎるよう
な位置になるように取付ければよい。Further, in the embodiment shown in FIG. 3, the cleaning liquid (water) is wasted by scattering or colliding with the surroundings other than the screen surface 1a.
A scattering prevention cover 1 is installed on the top of the rotating nozzle 2 in order to increase the cleaning effect by allowing the liquid to flow down within the range of the screen surface 1a.
The scattering prevention cover 14 consists of a side wall and a ceiling depending on the shape of the screen surface 1a (square, rectangle, or circle), and the lower end of the side wall is the outermost periphery of the jet stream from the rotating nozzle 2. It should be installed so that the part (broken line in FIG. 3) collides with the outside of the outer periphery of the screen surface 1a (i.e., the lower part of the frame 17) and blocks a part of the jet stream from the rotating nozzle 2. Bye.
このように構成することにより、自転式ノズル2から上
方や左右に噴出する洗浄液(水)は、飛散防止カバー1
4の側壁及び天井内壁に当り下方へ流下するので、13
0kg/C1i程度の高圧水がスクリーン面1aと発塵
防止カバー14の隙間から周囲へ飛散することもなく、
下部へ流下した水が成程度スクリーン面1aの洗浄に寄
与するので洗浄時間が短縮できる。With this configuration, the cleaning liquid (water) spouted upward and to the left and right from the rotating nozzle 2 is directed to the anti-scattering cover 1.
It hits the side wall of 4 and the inner wall of the ceiling and flows downward, so 13
High-pressure water of about 0 kg/C1i does not scatter to the surroundings through the gap between the screen surface 1a and the dust prevention cover 14.
Since the water flowing down to the lower part contributes to cleaning the screen surface 1a, the cleaning time can be shortened.
尚、スクリーン1基のスクリーン面が広い場合には、自
転式ノズルを複数個設ければよい。In addition, if the screen surface of one screen is wide, a plurality of autorotating nozzles may be provided.
〈発明の効果〉
本発明は上記のように構成したので、簡単でコンパクト
かつ安価な平型スクリーンの洗浄装置を実現することが
でき、複数のスクリーンでも短時間に洗浄残滓がな(確
実に人手をかけずに洗浄することができる。また人手で
は、除去できない篩目への原料の突き刺さりも、130
kg/d程度の高圧液により除去することができる。又
、装置が簡単で故障も少なく、メンテナンスもしやすい
等の効果を有する。<Effects of the Invention> Since the present invention is configured as described above, it is possible to realize a simple, compact, and inexpensive cleaning device for flat screens, and it is possible to eliminate cleaning residues even when multiple screens are cleaned in a short time (reliably and manually). It can be washed without rinsing.It also prevents raw materials from sticking into the sieve mesh, which cannot be removed manually.
It can be removed using high pressure liquid of about kg/d. In addition, the device is simple, has few failures, and is easy to maintain.
第1図は本発明の1実施例を配管系統図と共に示した側
面図、第2図はスクリーン面上の洗浄水の衝突軌跡の1
例を示す説明図、第3図は本発明の他の実施例を示す一
部断面側面図である。
1・・・スクリーン、 la・・・スクリーン面
、2・・・自転式ノズル、 3a・・・洗浄液導管、
14・・・飛散防止カバー、 16・・・保持部材。
特許出願人 川崎製鉄株式会社
第3図Fig. 1 is a side view showing one embodiment of the present invention together with a piping system diagram, and Fig. 2 is an example of the impact trajectory of washing water on the screen surface.
An explanatory diagram showing an example, FIG. 3 is a partially sectional side view showing another embodiment of the present invention. 1... Screen, la... Screen surface, 2... Autorotating nozzle, 3a... Cleaning liquid conduit,
14... Shatter prevention cover, 16... Holding member. Patent applicant: Kawasaki Steel Corporation Figure 3
Claims (3)
以上の回転を組合せることにより3次元回転をする自転
式ノズルと、前記自転式ノズルに洗浄液を供給する洗浄
液導管と、前記自転式ノズル又は洗浄液導管を保持する
保持部材とからなる平面型スクリーンの洗浄装置。(1) An autorotating nozzle that is provided facing a flat screen surface and rotates three-dimensionally by combining two or more axes of rotation; a cleaning liquid conduit that supplies cleaning liquid to the autorotating nozzle, and the autorotating nozzle. A cleaning device for a flat screen, comprising a holding member that holds a type nozzle or a cleaning liquid conduit.
以上の回転を組合せることにより3次元回転をする自転
式ノズルと、前記自転式ノズルに洗浄液を供給する洗浄
液導管と、前記自転式ノズル又は洗浄液導管を保持する
保持部材と前記自転式ノズルの上方に設けられた洗浄水
の飛散防止カバーとからなる平面型スクリーンの洗浄装
置。(2) a self-rotating nozzle that is provided facing the flat screen surface and performs three-dimensional rotation by combining two or more axes of rotation; a cleaning fluid conduit that supplies cleaning fluid to the self-rotating nozzle; A cleaning device for a flat screen, comprising a holding member for holding a type nozzle or a cleaning liquid conduit, and a cover for preventing scattering of cleaning water provided above the rotating type nozzle.
を調節自在なものであることを特徴とする特許請求の範
囲第1項又は第2項記載の平面型スクリーンの洗浄装置
。(3) The flat screen cleaning device according to claim 1 or 2, wherein the holding member is capable of adjusting the distance between the screen surface and the autorotating nozzle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31102087A JPH01155975A (en) | 1987-12-10 | 1987-12-10 | Apparatus for cleaning plane type screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31102087A JPH01155975A (en) | 1987-12-10 | 1987-12-10 | Apparatus for cleaning plane type screen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01155975A true JPH01155975A (en) | 1989-06-19 |
JPH0532117B2 JPH0532117B2 (en) | 1993-05-14 |
Family
ID=18012151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31102087A Granted JPH01155975A (en) | 1987-12-10 | 1987-12-10 | Apparatus for cleaning plane type screen |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01155975A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003535635A (en) * | 2000-06-22 | 2003-12-02 | イノヴェーションズ インターナショナル リミテッド | Barber tool and barber method |
JP2014124604A (en) * | 2012-12-27 | 2014-07-07 | Harada Sangyo Kk | Specific gravity difference sorter |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4324699Y1 (en) * | 1965-06-16 | 1968-10-17 | ||
JPS5925515U (en) * | 1982-08-10 | 1984-02-17 | 日本精機株式会社 | display element |
-
1987
- 1987-12-10 JP JP31102087A patent/JPH01155975A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4324699Y1 (en) * | 1965-06-16 | 1968-10-17 | ||
JPS5925515U (en) * | 1982-08-10 | 1984-02-17 | 日本精機株式会社 | display element |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003535635A (en) * | 2000-06-22 | 2003-12-02 | イノヴェーションズ インターナショナル リミテッド | Barber tool and barber method |
JP2014124604A (en) * | 2012-12-27 | 2014-07-07 | Harada Sangyo Kk | Specific gravity difference sorter |
Also Published As
Publication number | Publication date |
---|---|
JPH0532117B2 (en) | 1993-05-14 |
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