JPS638242B2 - - Google Patents
Info
- Publication number
- JPS638242B2 JPS638242B2 JP58142963A JP14296383A JPS638242B2 JP S638242 B2 JPS638242 B2 JP S638242B2 JP 58142963 A JP58142963 A JP 58142963A JP 14296383 A JP14296383 A JP 14296383A JP S638242 B2 JPS638242 B2 JP S638242B2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- reduction
- door body
- gear
- manual
- 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
- 230000009467 reduction Effects 0.000 claims description 22
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Description
【発明の詳細な説明】
本発明は水門扉開閉装置に関するもので、詳し
くは、扉体をワイヤロープを介して吊上下して開
閉させる機構において点在する部品をコンパクト
にまとめ、現地への据付け、検査、保守点検等が
容易に行えるようにした水門扉開閉装置に関する
ものである。[Detailed Description of the Invention] The present invention relates to a water gate opening/closing device. Specifically, the present invention relates to a water gate opening/closing device, and more specifically, the components scattered in the mechanism for opening and closing the gate body by lifting and lowering it via a wire rope are compactly assembled and installed on site. This invention relates to a water gate opening/closing device that allows easy inspection, maintenance, and inspection.
従来より水門扉開閉装置としては、ワイヤロー
プウインチ式、油圧シリンダ式、油圧シリンダワ
イヤロープ式、スピンドル式、ピニオンラツク
式、等の型式のものがあり、扉体が、たとえば7t
以下という小型軽量のものにあつては、ねじ式ス
ピンドルの下端に支持させた扉体を、モータの駆
動によりスピンドルを昇降させることにより開閉
させるようにしたスピンドル式とか、ラツク棒の
下端に支持させた扉体を、モータの駆動により回
転するピニオンを介しラツク棒を昇降させること
によつて開閉させるようにしたピニオンラツク式
が採用されている。 Traditionally, water gate opening/closing devices include wire rope winch type, hydraulic cylinder type, hydraulic cylinder wire rope type, spindle type, and pinion rack type.
In the case of the following types of small and lightweight devices, the door body is supported on the lower end of a screw type spindle, and the door body is opened and closed by raising and lowering the spindle driven by a motor, or the door body is supported on the lower end of a rack bar. A pinion rack type is used in which the door body is opened and closed by raising and lowering a rack rod via a pinion that is rotated by the drive of a motor.
しかし、たとえば、30t級の大重量の扉体を昇
降させて水門の開閉を行う開閉装置では、上記ス
ピンドル式、ピニオンラツク式ではその能力の限
界を超え、実施不可能となり、大型のギヤを用い
たワイヤロープウインチ式とか、大型の油圧シリ
ンダを用いた油圧シリンダ式等が実用に供されて
いる。 However, for example, in an opening/closing device that lifts and lowers a heavy 30-ton door body to open and close a water gate, the spindle type and pinion rack type described above exceed their capacity limits, making it impossible to implement them, and large gears are required. The wire rope winch type and the hydraulic cylinder type using a large hydraulic cylinder are in practical use.
今、従来のワイヤロープウインチ式で一般に採
用されているものは、第１図に示す如き構成のも
のである。すなわち、堤体に立てられた堰柱頂部
に２基のドラムａ，ａを設置し、戸溝に沿い昇降
自在の扉体ｂの両端部に結着させたワイヤロープ
ｔをそれぞれ上記ドラムａ，ａに巻き取り、中間
に設置した大型の中間ギヤｃに連結軸ｄ，ｄ、カ
ツプリングｅを介して連結させたギヤｆ，ｆを、
各ドラムａと一体のドラムギヤｇ，ｇに噛合さ
せ、且つ上記中間ギヤｃへの動力伝達手段とし
て、モータｈ、手動、電動切換クラツチｉ、ウオ
ーム減速機ｊ、小型のギヤｋ、手動操作のための
手動装置ｌ等を点在させ、電動の場合は、切換ク
ラツチｉを電動側に切換えてモータｈを駆動させ
て減速しながら２基のドラムａ，ａを回転させる
ようにし、又、手動の場合は、切換クラツチｉを
手動側に切換え、手動装置ｌにてドラムａ，ａを
回転させ、開度計ｍを見ながら扉体ｂを昇降させ
るようにしてある。ｎは上下限制限開閉装置であ
る。又地震等で急速に扉体を降下させて水門を閉
じるようにするための急降下クラツチｏも別置と
して備えてあり、該急降下クラツチｏを設置する
と、オイルブレーキの場合にあつては、ギヤボツ
クス（増速用）ｐ、手動ブレーキｑ、ギヤモータ
ｒ、オイルタンクｓ等が必要であり、これらも点
在させてある。 A conventional wire rope winch type generally employed at present has a configuration as shown in FIG. That is, two drums a, a are installed at the top of the weir pillars erected on the embankment body, and wire ropes t tied to both ends of the door body b, which can be raised and lowered along the door groove, are attached to the drums a, a, respectively. Gears f and f are wound around a and connected to a large intermediate gear c installed in the middle via connecting shafts d and d and a coupling e,
A motor h, a manual and electric switching clutch i, a worm reducer j, a small gear k, and a small gear k for manual operation are meshed with drum gears g and g integrated with each drum a, and as means for transmitting power to the intermediate gear c. If the motor is electric, the switching clutch i is switched to the electric side and the motor h is driven to rotate the two drums a and a while decelerating. In this case, the switching clutch i is switched to the manual side, the drums a and a are rotated by the manual device l, and the door body b is raised and lowered while watching the opening gauge m. n is an upper and lower limit limit switching device. In addition, a swoop clutch o is also installed separately to allow the gate body to rapidly lower and close the flood gate in the event of an earthquake, etc. When the swoop clutch o is installed, in the case of an oil brake, the gearbox ( For speed increase) p, manual brake q, gear motor r, oil tank s, etc. are required, and these are also scattered.
このように、従来の方式にあつては、多くの機
器が必要で、水門扉開閉装置の構成部品数が多
く、しかも堰柱上の狭いスペースに点在させて用
いる構成であるため、設計、製作（機械加工、電
気配線等）、検査に多大の時間、費用を必要とす
ると共に、各構成機器の据付作業に当つては、据
付レベルの調整、芯合せ作業等に精度が要求さ
れ、多くの時間を必要としており、更に、維持管
理にも多くの時間を要しているのが実情である。
ここ数十年、大型水門から小型水門までの開閉装
置は、同型、同方式であり、現在に至るも改革が
なされていないのが現状である。 In this way, the conventional method requires a lot of equipment, the number of components of the water gate opening/closing device is large, and it is configured to be used scattered in a narrow space on the weir pillar, so it is difficult to design, Manufacturing (machining, electrical wiring, etc.) and inspection require a great deal of time and expense, and installation work of each component requires precision in adjustment of the installation level, alignment work, etc. The reality is that it takes a lot of time for maintenance and management.
For the past few decades, the opening/closing devices from large to small sluice gates have been of the same type and method, and the current situation is that no reforms have been made to this day.
そこで、最近では、この種水門扉の開閉装置の
簡素化、合理化、すなわち、標準化を図ることの
要請が出されている。 Therefore, recently there has been a demand for simplification and rationalization, that is, standardization, of this type of water gate opening/closing device.
本発明は、かかる困難な要請に応え、大型から
小型の水門扉開閉装置まで１つの型に統一し、従
来方式における如き問題点を解消し、標準化を図
つた水門扉開閉装置を提供しようとするものであ
る。 In response to such difficult demands, the present invention attempts to provide a standardized water gate opening/closing device that unifies large to small sluice gate opening/closing devices into one type, eliminates the problems of conventional systems, and aims to provide a standardized flood gate opening/closing device. It is something.
以下、本発明の実施例を図面を参照して説明す
る。 Embodiments of the present invention will be described below with reference to the drawings.
第２図は本発明の簡素化、合理化された水門扉
開閉装置を示すもので、堰柱上の中間部に、従来
の中間ギヤｃよりも小径とした中間ギヤと複数個
の減速ギヤをケーシング２内に組み込んでなる減
速装置１を設置し、該減速装置１の最上段の減速
ギヤ軸には、従来の手動、電動切換クラツチｉと
同じ手動、電動切換クラツチと、モータ４と、上
下限制限開閉装置と、開度計５と、従来の急降下
クラツチと同じ急降下クラツチとを一体的にまと
めると共に更に手動装置６としてハンドルを手
動、電動切換クラツチに附属させてなる駆動装置
３を連結する。又、堰柱上の両端部には、各１基
のドラム７，７を設置し、各ドラム７，７に巻き
取られたワイヤロープ８の各自由端を、戸溝に沿
い昇降自在としてある扉体９の両端部に結着し、
更に、両ドラム７，７の軸と減速装置１の最下段
の中間ギヤ１０の軸とをカツプリング１１、連結
軸１２，１２を介して連結し、駆動装置３の駆
動、あるいは手動装置６の操作により両ドラム
７，７が同一方向へ同一速度で回転し、ワイヤロ
ープ８を介して扉体９を昇降させ開閉できるよう
にする。 Figure 2 shows the simplified and streamlined water gate opening/closing device of the present invention, in which an intermediate gear with a smaller diameter than the conventional intermediate gear c and a plurality of reduction gears are installed in the middle part of the weir pillar. A reduction gear 1 is installed, and the uppermost reduction gear shaft of the reduction gear 1 is equipped with a manual/electric switching clutch, which is the same as the conventional manual/electric switching clutch i, a motor 4, and an upper and lower limit. A limit opening/closing device, an opening gauge 5, and a swoop clutch similar to the conventional swoop clutch are integrated, and a drive device 3 is connected as a manual device 6 with a handle attached to a manual/electric switching clutch. Also, one drum 7, 7 is installed at each end of the weir pillar, and each free end of a wire rope 8 wound around each drum 7, 7 can be raised and lowered along the door groove. It is tied to both ends of the door body 9,
Furthermore, the shafts of both drums 7, 7 and the shaft of the lowermost intermediate gear 10 of the reduction gear 1 are connected via a coupling 11 and connecting shafts 12, 12, and the drive device 3 is driven or the manual device 6 is operated. As a result, both drums 7, 7 rotate in the same direction at the same speed, and the door body 9 can be raised and lowered via the wire rope 8 to open and close.
なお、上記減速装置１の一例は第３図に示すと
おりであり、中間ギヤ１０、減速ギヤ１３，１
４，１５，１６，１７を多段に配し、ギヤ１７は
手動、電動切換クラツチを介して駆動装置３及び
手動装置６に連結され、中間ギヤ１０は連結軸１
２，１２に連結されている。急降下装置は駆動装
置に組み込むようにする。１８はギヤポンプであ
る。 An example of the speed reduction device 1 is shown in FIG. 3, and includes an intermediate gear 10, reduction gears 13, 1
4, 15, 16, and 17 are arranged in multiple stages, the gear 17 is connected to the drive device 3 and the manual device 6 via a manual/electric switching clutch, and the intermediate gear 10 is connected to the connecting shaft 1.
2 and 12. The steep descent device shall be incorporated into the drive device. 18 is a gear pump.
上記構成としてあるので、扉体９の開閉に際し
ては、駆動装置３を起動させると、減速装置１を
経て動力が同時に連結軸１２，１２に伝達され、
ドラム７，７が同一方向へ同速で回転する。これ
によりワイヤロープ８が巻取り又は巻戻されて扉
体９の開閉が自在に行われ、開度計５を見ながら
任意の開度にコントロールすることができる。 With the above configuration, when opening and closing the door body 9, when the drive device 3 is started, power is simultaneously transmitted to the connecting shafts 12, 12 via the reduction gear device 1,
The drums 7, 7 rotate in the same direction and at the same speed. Thereby, the wire rope 8 is wound up or rewound, and the door body 9 can be opened and closed freely, and the opening degree can be controlled to any desired degree while checking the opening degree meter 5.
本発明においては、扉体９が7t程度のものから
30t程度のものまでワイヤロープ８を介して同一
型式の開閉装置として開閉することができ、大型
から小型のものまで標準化させることができる。 In the present invention, the door body 9 is made from approximately 7 tons.
Up to about 30 tons can be opened and closed as the same type of opening/closing device via the wire rope 8, and can be standardized from large to small.
本発明の開閉装置は、前記構成の如く、開閉装
置として必要なすべての機器をコンパクトにまと
め、従来方式における大小のドラムギヤｆ，ｇ、
中間ギヤｃ、ウオーム減速機ｊに相当するもの
を、減速装置１として一体化し、又、モータｂ、
手動、電動切換クラツチｉ、手動装置ｌ、上下限
制限開閉装置ｎ、開度計ｍに相当するものを、駆
動装置３として一体化したことに特徴を有してい
るので、据付けに際しては、構成部品が、減速装
置１、駆動装置３、連結軸１２，１２、ドラム
７，７であつて、従来方式において点在していた
部品点数（10点数）より大幅に減少していること
から、据付作業が極めて容易となり、レベル調整
等も簡単にして精度を上げることができ、これに
伴ない検査、維持管理も容易になる。又、部品点
数の減少が図れたことから、設計、製作作業やそ
の費用の大幅な節減が図れ、数十年続いているこ
の種開閉装置として既存の技術を打破する画期的
な改革をもたらすものである。 The opening/closing device of the present invention, as configured above, compactly integrates all the equipment necessary for the opening/closing device, and is equipped with large and small drum gears f, g,
An intermediate gear c and a worm reducer j are integrated as a reduction gear 1, and a motor b,
The drive device 3 is characterized by integrating a manual and electric switching clutch i, a manual device l, an upper/lower limit switching device n, and an opening meter m, so when installing it, the configuration The number of parts, which are the reduction gear 1, the drive unit 3, the connecting shafts 12, 12, and the drums 7, 7, is significantly reduced compared to the number of parts scattered in the conventional system (10 parts), so the installation Work becomes extremely easy, level adjustment etc. can be made easily and accuracy can be increased, and inspection and maintenance management are also facilitated accordingly. In addition, because the number of parts has been reduced, design and manufacturing work and associated costs can be significantly reduced, resulting in a groundbreaking innovation that breaks through the existing technology for this type of switchgear that has been in use for several decades. It is something.
なお、本発明は、動力を電動機のみ、エンジン
のみ、又は電動機とエンジンを併設した場合にお
いても使用できること、水門扉用開閉装置以外の
分野、たとえば、ウインチ、エレベータ等にも応
用できること、減速装置１は横型でもよいこと、
減速装置１、駆動装置３は端部に設置してもよい
こと、等は勿論である。 Furthermore, the present invention has the following advantages: the power can be used with only an electric motor, only an engine, or a combination of an electric motor and an engine; it can also be applied to fields other than water gate opening/closing devices, such as winches, elevators, etc.; may be horizontal,
Of course, the speed reducer 1 and the drive device 3 may be installed at the end.
以上述べた如く、本発明は、従来開閉装置とし
て必要な個々の構成部品を堰柱状に点在させ、こ
れら構成部品を互に連結して２基のドラムに動力
を伝達させていた従来技術を根本から改め、動力
伝達ギヤや複数個の減速ギヤを内蔵した減速装置
の該減速ギヤのうち１つの減速ギヤの軸に、手
動、自動運転可能にし且つ上下限制限開閉装置、
急降下装置を内蔵させた駆動装置を連結し、且つ
上記減速装置における上記動力伝達ギヤの軸に連
結軸を介してドラムを一体に連結した構成とし、
ドラム以外のものを一つの機械単体品として工場
にて製作可能として点数を減少させ、水門扉開閉
装置として従来考え見られなかつた構造としてい
るので、次の如き優れた効果を奏し得る。 As described above, the present invention replaces the conventional technology in which the individual components necessary for a switchgear are scattered in the shape of a weir column, and these components are interconnected to transmit power to two drums. We have changed the fundamentals, and installed an upper and lower limit opening/closing device on the shaft of one of the reduction gears of the reduction gear, which has a built-in power transmission gear and multiple reduction gears, and which enables manual and automatic operation.
A drive device incorporating a steep descent device is connected, and a drum is integrally connected to the shaft of the power transmission gear in the speed reduction device via a connection shaft,
Since components other than the drum can be manufactured in a factory as a single mechanical item, reducing the number of parts, and having a structure that has not been previously considered as a water gate opening/closing device, the following excellent effects can be achieved.
(i) 部品点数が従来方式に比して大幅に減少した
ことから、設計、製作（機械加工、電気配線
等）、検査、据付、維持管理等が容易となり、
且つこれらの経費も飛躍的に軽減できる。(i) Since the number of parts is significantly reduced compared to the conventional method, design, manufacturing (machining, electrical wiring, etc.), inspection, installation, maintenance, etc. are easier.
Moreover, these costs can be reduced dramatically.
(ii) 減速装置、駆動装置はいくつかの仕様決定に
より標準化が可能となり、これにより大量生産
が可能となり、大幅なコストダウンにつなが
る。又、上記減速装置、駆動装置を工場にて製
作できることから工場にて品質管理が可脳能と
なつて高品質が期待でき、飛躍的な品質管理の
向上をもたらす。(ii) Decelerators and drive devices can be standardized by determining several specifications, which will enable mass production and lead to significant cost reductions. Furthermore, since the reduction gear and the drive device can be manufactured at a factory, quality control can be performed at the factory, and high quality can be expected, resulting in a dramatic improvement in quality control.
(iii) 設置スペースが小さくなり、このため据付工
事が簡単になり、建設工期の短縮が図れると共
に、土木工事等の附帯設備工事費の軽減が図れ
る。(iii) The installation space is smaller, which simplifies the installation work, shortens the construction period, and reduces the cost of ancillary equipment work such as civil engineering work.
(iv) 又、設置スペースが小さいことから、狭いと
ころにも無理なく安全に設置できる。(iv) Also, since the installation space is small, it can be installed easily and safely even in narrow spaces.
第１図は従来の水門扉開閉装置の概要を示す斜
視図、第２図は本発明の水門扉開閉装置の斜視
図、第３図は本発明における減速装置の一例図で
ある。
１……減速装置、３……駆動装置、７，７……
ドラム、８……ワイヤロープ、９……扉体、１０
……中間ギヤ、１２，１２……連結軸。
FIG. 1 is a perspective view showing an outline of a conventional water gate opening/closing device, FIG. 2 is a perspective view of a water gate opening/closing device of the present invention, and FIG. 3 is an example of a speed reduction device in the present invention. 1...Reduction device, 3...Driving device, 7,7...
Drum, 8... Wire rope, 9... Door body, 10
...Intermediate gear, 12,12...Connection shaft.
Claims (1)
減速装置を設置し、該減速装置における複数個の
減速ギヤのうちの１つの減速ギヤの軸に、手動、
自動運転可能にし且つ上下限制限開閉装置、急降
下装置を内蔵させた駆動装置を連結して、駆動装
置を減速装置に一体とし、且つ上記減速装置にお
ける上記動力伝達ギヤの軸を、連結軸を介してド
ラムの軸に一体に連結してなり、該ドラムに巻い
たワイヤロープを介し扉体を吊り下げ支持して該
扉体を開閉させるよう構成したことを特徴とする
水門扉開閉装置。1. A speed reduction device incorporating a power transmission gear and a plurality of reduction gears is installed, and a manual,
A drive device that enables automatic operation and has a built-in upper/lower limit opening/closing device and a steep descent device is connected, the drive device is integrated with a reduction gear, and the shaft of the power transmission gear in the reduction device is connected via a connection shaft. 1. A water gate opening/closing device, characterized in that the gate body is integrally connected to the shaft of a drum, and the door body is suspended and supported via a wire rope wound around the drum to open and close the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14296383A JPS6033918A (en) | 1983-08-04 | 1983-08-04 | Opening and closing device for sluice gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14296383A JPS6033918A (en) | 1983-08-04 | 1983-08-04 | Opening and closing device for sluice gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6033918A JPS6033918A (en) | 1985-02-21 |
| JPS638242B2 true JPS638242B2 (en) | 1988-02-22 |
Family
ID=15327729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14296383A Granted JPS6033918A (en) | 1983-08-04 | 1983-08-04 | Opening and closing device for sluice gate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6033918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08255802A (en) * | 1995-03-16 | 1996-10-01 | Nec Corp | Feeding method of articles and device thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0955418A1 (en) * | 1998-05-08 | 1999-11-10 | Manfred Weikopf | Method for controlling discharge regulators in liquid carrying pipe or free-head systems |
| CN106284233B (en) * | 2016-09-12 | 2018-08-28 | 江苏新天鸿集团有限公司 | A kind of worm-type open-close machine applied to hydraulic and hydroelectric engineering |
| KR101880061B1 (en) * | 2016-12-06 | 2018-07-20 | 한국원자력연구원 | Device for driving hot cell shielding door |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS513621U (en) * | 1974-06-26 | 1976-01-12 | ||
| JPS5519371A (en) * | 1978-07-28 | 1980-02-12 | Hokoku Kogyo Kk | Water gate upper and lower limit detector |
| JPS5526252A (en) * | 1978-08-11 | 1980-02-25 | Mitsuo Nishina | Cutting attachment in sewing machine |
-
1983
- 1983-08-04 JP JP14296383A patent/JPS6033918A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS513621U (en) * | 1974-06-26 | 1976-01-12 | ||
| JPS5519371A (en) * | 1978-07-28 | 1980-02-12 | Hokoku Kogyo Kk | Water gate upper and lower limit detector |
| JPS5526252A (en) * | 1978-08-11 | 1980-02-25 | Mitsuo Nishina | Cutting attachment in sewing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08255802A (en) * | 1995-03-16 | 1996-10-01 | Nec Corp | Feeding method of articles and device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6033918A (en) | 1985-02-21 |
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