JPS6412355B2 - - Google Patents
Info
- Publication number
- JPS6412355B2 JPS6412355B2 JP57044108A JP4410882A JPS6412355B2 JP S6412355 B2 JPS6412355 B2 JP S6412355B2 JP 57044108 A JP57044108 A JP 57044108A JP 4410882 A JP4410882 A JP 4410882A JP S6412355 B2 JPS6412355 B2 JP S6412355B2
- Authority
- JP
- Japan
- Prior art keywords
- control rod
- guide tube
- rod guide
- assembly
- fuel support
- 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
- 239000000446 fuel Substances 0.000 claims description 27
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Moving Of Heads (AREA)
- Fuel-Injection Apparatus (AREA)
- Supports For Pipes And Cables (AREA)
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は沸騰水形原子炉の制御棒案内管、制御
棒および燃料支持金具を据付ける方法に関する。
〔発明の技術的背景〕
従来、製造時あるいは定期点検時に取外した制
御棒案内管、制御棒および燃料支持金具を原子炉
圧力容器内に据付けるには、まず制御棒案内管を
原子炉圧力容器内下部に据付け、次にこの制御棒
案内管内に制御棒を１体ずつ挿入し、次に制御棒
案内管の上端に燃料支持金具を装着していた。
〔背景技術の問題点〕
従来の方法は制御棒案内管、制御棒および燃料
支持金具を別々に１体ずつ原子炉圧力容器内に吊
り込んで据付けるため、これら部品の吊り込み回
数が多くなり、作業能率が低かつた。また、吊り
込み回数が多いと吊り込みの際に部品が落下する
可能性も大となり、万一部品が原子炉圧力容器内
に落下すると炉内部品を損傷してしまう可能性が
ある。
〔発明の目的〕
本発明は制御棒案内管、制御棒および燃料支持
金具を原子炉圧力容器内に据付ける際に原子炉圧
力容器内への吊り込み作業の回数を少なくして作
業能率を向上し、また吊り込みの際の部品の落下
の可能性を少なくすることができる制御棒案内
管、制御棒および燃料支持金具の据付方法を得る
ことにある。
〔発明の概要〕
本発明は制御棒案内管を水平に支持しこの制御
棒案内管内に水平方向から制御棒を挿入する工程
と、この制御棒案内管と制御棒とを垂直に起立さ
せる工程と、起立した制御棒案内管の上端に燃料
支持金具を装着する工程と、この制御棒案内管、
制御棒および燃料支持金具の組立体の複数体を組
立体ラツクに装荷する工程と、これら複数の組立
体が装荷されたラツクを原子炉圧力容器内に吊り
込みこの原子炉圧力容器内に設置する工程と、こ
の組立体ラツクから上記組立体を取り出し所定位
置に据付ける工程とを具備したものである。した
がつて、原子炉圧力容器外で制御棒案内管、制御
棒および燃料支持金具の３部品を一体的に組み立
て、この組立体の複数体を組立体ラツクに装荷
し、この組立体ラツクを原子炉圧力容器内に吊り
込むものであるから吊り込み作業の回数が大幅に
少なくなり、作業能率が向上する。また吊り込み
作業の回数が大幅に少なくなること、および組立
体は組立体ラツクに装荷された状態で安定して吊
り込まれるので落下の可能性が少なくなるもので
ある。
〔発明の実施例〕
本発明の一実施例を説明する。まず、第１図お
よび第２図を参照して制御棒案内管１、制御棒２
および燃料支持金具３を組立てる装置を説明す
る。図中４は基台であつて、この基台４には起倒
台５が設けられている。この起倒台５は軸６によ
つて枢支され、水平な状態から垂直な状態まで起
立し得るように構成されている。そして、この起
倒台５は起倒機構７によつて起倒されるように構
成されている。そして、この起倒台５上には制御
棒案内管１が載置され固定金具８…によつて固定
されるように構成されている。なお、１０はこの
制御棒案内管１等を吊り上げるジブクレーンであ
る。また、１１は制御棒載置台であつて、この制
御棒載置台１１の上にはレール１２が設けられ、
このレール１２上には移動台１３…が設けられて
いる。この移動台１３…には一対のローラ１４…
が設けられており、一方のローラ１４…はレール
１２に形成された溝１５に嵌合してこのレール１
２…に沿つて案内されている。そして、これら移
動台１３…の上には制御棒２が載置されるように
構成されている。また、上記基台４の側方には作
業台１６が設けられており、制御棒案内管１が起
倒台５とともに起立した場合、この作業台１６の
上に作業員が乗り、制御棒案内管１の上端に特開
昭56−103399号に示すような燃料支持金具３を装
着できるように構成されている。
そして、これら制御棒案内管１、制御棒２およ
び燃料支持金具３を組立てるには、まず制御棒案
内管１を起倒台５上に載置し、水平に支持する。
また、制御棒２を移動台１３…の上に載置し、水
平に支持する。そして、この制御棒２を水平に移
動させ、制御棒案内管１内に挿入する。次に起倒
台５を起立させ、制御棒案内管１を垂直に起立さ
せる。そして、作業台１６上に作業員が乗り、こ
の制御棒案内管１の上端に燃料支持金具３を装着
し、制御棒案内管１、制御棒２および燃料支持金
具３を一体に組み立てる。
なお、第３図ａ，ｂには前記の制御棒案内管１
を吊り上げるための吊上金具１７を示す。この吊
上金具１７は本体１８と、この本体１８の下端部
に設けられ制御棒案内管１の上端に突設された一
対の耳金１９に嵌合する嵌合部２０と、本体１８
から突設された挾持片２１と、この挾持片２１の
先端に設けられた押圧螺子２２とを備え、嵌合部
２０を耳金１９に嵌合させるとともに押圧螺子２
２と嵌合部２０との間で制御棒案内管１の上端縁
部を挾圧するものである。そして、この吊上金具
１７を制御棒案内管１の耳金１９の部分に２個取
付け、これらの吊上金具１７を介して制御棒案内
管１を吊り上げるものである。
次に、このようにして組み立てられた制御棒案
内管１、制御棒２および燃料支持金具３の組立体
２３を吊り上げ、第４図に示す如く組立体ラツク
３０に装荷する。以下この制御棒案内管１、制御
棒２および燃料支持金具３の組立と、この組立て
られた組立体２３の装荷を繰返し、組立体ラツク
３０に複数本の組立体２３…を装荷する。なお、
第５図ａ，ｂにはこの組立体３０を吊り上げる吊
上金具２５を示す。この吊上金具２５は本体２６
と、この本体２６の下部に設けられ制御棒案内管
１の上端部に突設された一対の耳金１９に嵌合す
る嵌合部２７と、上記本体２６から突設され燃料
支持金具３の上端開口に嵌合する円形の嵌合板２
８とを備えている。そして、この吊上金具２５は
制御棒案内管１の上端部の一対の耳金１９にそれ
ぞれ１個ずつ取付けられ、この吊上金具２５を介
して組立体２３を安定して吊り上げるように構成
されている。
また第６図ａ，ｂには組立体ラツク３０を示
す。この組立体ラツク３０は基板３１と、この基
板３１上に設けられたホルダ部３２とを有し、基
板３１の一側は円弧状に形成されているとともに
周縁部に下向にガイド片３３…が突設され、原子
炉圧力容器内の上部格子板の周縁部に嵌合して安
定に載置できるように構成されている。また、ホ
ルダ部３２内は複数区画に仕切られ、複数体の組
立体２３…を装荷し得るように構成されている。
なお、上記制御棒案内管１、制御棒２および燃
料支持金具３の組立、およびこの組立体２３の組
立体ラツク３０への装荷はすべて原子炉建屋のオ
ペレーシヨンフロア上でおこなう。
次に、これら複数体の組立体２３…が装荷され
た組立体ラツク３０を吊り上げ、第７図に示す如
く原子炉圧力容器３５内に吊り込み、この組立体
ラツク３０を第８図に示す如く上部格子板３６の
周縁部上に載置する。この場合、第９図に示す如
くガイド片３３…が上部格子板３６の縁に嵌合し
てこの組立体ラツク３０のずれを防止する。そし
て、この組立体ラツク３０から組立体２３を１体
ずつ取り出し、上部格子板３６および炉心支持板
３７を通して吊り下げ、制御棒案内管１の下端を
制御棒駆動機構ハウジング３８の上端に嵌合して
所定位置に据付ける。
〔発明の効果〕
上述の如く本発明は制御棒案内管を水平に支持
しこの制御棒案内管内に水平方向から制御棒を挿
入する工程と、この制御棒案内管と制御棒とを垂
直に起立させる工程と、起立した制御棒案内管の
上端に燃料支持金具を装着する工程と、この制御
棒案内管、制御棒および燃料支持金具の組立体の
複数体を組立体ラツクに装荷する工程と、これら
複数の組立体が装荷されたラツクを原子炉圧力容
器内に吊り込みこの原子炉圧力容器内に設置する
工程と、この組立体ラツクから上記組立体を取り
出し所定位置に据付ける工程とを具備したもので
ある。したがつて、原子炉圧力容器外で制御棒案
内管、制御棒および燃料支持金具の３部品を一体
的に組み立て、この組立体の複数体を組立体ラツ
クに装荷し、この組立体ラツクを原子炉圧力容器
内に吊り込むものであるから吊り込み作業の回数
が大幅に少なくなり、作業能率が向上する。また
吊り込み作業の回数が大幅に少なくなること、お
よび組立体は組立体ラツクに装荷された状態で安
定して吊り込まれるので落下の可能性が少なくな
る等その効果は大である。 TECHNICAL FIELD OF THE INVENTION The present invention relates to a method for installing control rod guide tubes, control rods, and fuel support fittings in a boiling water nuclear reactor. [Technical Background of the Invention] Conventionally, in order to install control rod guide tubes, control rods, and fuel support fittings that have been removed during manufacturing or periodic inspection into a reactor pressure vessel, the control rod guide tubes are first removed from the reactor pressure vessel. The control rods were installed in the inner lower part, then the control rods were inserted one by one into the control rod guide tubes, and then fuel support fittings were attached to the upper ends of the control rod guide tubes. [Problems with the background technology] In the conventional method, the control rod guide tube, control rods, and fuel support fittings are individually suspended and installed into the reactor pressure vessel, which increases the number of times these parts must be suspended. , work efficiency was low. Furthermore, if the number of times of lifting is large, there is a high possibility that parts will fall during lifting, and if a part were to fall into the reactor pressure vessel, there is a possibility that parts inside the reactor would be damaged. [Object of the Invention] The present invention improves work efficiency by reducing the number of times that the control rod guide tubes, control rods, and fuel support fittings must be hoisted into the reactor pressure vessel when installing them into the reactor pressure vessel. Another object of the present invention is to provide a method for installing control rod guide tubes, control rods, and fuel support fittings that can reduce the possibility of parts falling during hoisting. [Summary of the Invention] The present invention comprises a process of horizontally supporting a control rod guide tube and inserting the control rod into the control rod guide tube from a horizontal direction, and a process of vertically standing the control rod guide tube and the control rod. , a step of attaching a fuel support fitting to the upper end of the upright control rod guide tube;
A step of loading a plurality of assemblies of control rods and fuel support fittings into an assembly rack, and suspending the rack loaded with the plurality of assemblies into a reactor pressure vessel and installing it within the reactor pressure vessel. and a step of removing the assembly from the assembly rack and installing it in a predetermined position. Therefore, the three parts of the control rod guide tube, the control rod, and the fuel support fittings are assembled together outside the reactor pressure vessel, and a plurality of these assemblies are loaded into an assembly rack. Since it is suspended into the furnace pressure vessel, the number of lifting operations is greatly reduced, improving work efficiency. Furthermore, the number of lifting operations is greatly reduced, and since the assembly is hung stably while loaded on the assembly rack, the possibility of it falling is reduced. [Embodiment of the Invention] An embodiment of the present invention will be described. First, with reference to FIGS. 1 and 2, the control rod guide tube 1, control rod 2
And an apparatus for assembling the fuel support fitting 3 will be explained. 4 in the figure is a base, and this base 4 is provided with a tilting base 5. This erecting table 5 is pivotally supported by a shaft 6, and is configured to be able to erect from a horizontal state to a vertical state. The tilting table 5 is configured to be raised and lowered by a raising and lowering mechanism 7. The control rod guide tube 1 is placed on the tilting table 5 and is fixed by fixing fittings 8. Note that 10 is a jib crane for hoisting the control rod guide tube 1 and the like. Further, 11 is a control rod mounting stand, and a rail 12 is provided on this control rod mounting stand 11,
A moving table 13 is provided on this rail 12. This moving table 13... has a pair of rollers 14...
are provided, and one of the rollers 14 fits into a groove 15 formed in the rail 12 and rotates the rail 1.
2. Guided along... The control rod 2 is configured to be placed on these movable tables 13. Further, a workbench 16 is provided on the side of the base 4, and when the control rod guide tube 1 is erected together with the raising table 5, a worker stands on this workbench 16, and the control rod guide tube 1, so that a fuel support fitting 3 as shown in Japanese Patent Application Laid-open No. 56-103399 can be attached to the upper end of the fuel support fitting 1. To assemble these control rod guide tubes 1, control rods 2, and fuel support fittings 3, first, the control rod guide tubes 1 are placed on the tilting table 5 and supported horizontally.
Further, the control rod 2 is placed on the movable table 13 and supported horizontally. Then, the control rod 2 is moved horizontally and inserted into the control rod guide tube 1. Next, the raising table 5 is raised, and the control rod guide tube 1 is raised vertically. Then, a worker gets on the workbench 16, attaches the fuel support fitting 3 to the upper end of the control rod guide tube 1, and assembles the control rod guide tube 1, the control rod 2, and the fuel support fitting 3 together. In addition, FIGS. 3a and 3b show the control rod guide tube 1 described above.
A lifting fitting 17 for lifting is shown. The lifting fitting 17 includes a main body 18, a fitting part 20 that fits into a pair of lugs 19 provided at the lower end of the main body 18 and protruding from the upper end of the control rod guide tube 1, and
It includes a clamping piece 21 protruding from the clamping piece 21 and a pressing screw 22 provided at the tip of the clamping piece 21.
The upper end edge of the control rod guide tube 1 is clamped between the control rod guide tube 2 and the fitting portion 20. Two lifting fittings 17 are attached to the lug 19 of the control rod guide tube 1, and the control rod guide tube 1 is lifted up via these lifting fittings 17 . Next, the assembly 23 of the control rod guide tube 1, control rod 2, and fuel support fitting 3 assembled in this manner is lifted up and loaded onto an assembly rack 30 as shown in FIG. Thereafter, the assembly of the control rod guide tube 1, the control rod 2, and the fuel support fitting 3 and the loading of the assembled assembly 23 are repeated to load a plurality of assemblies 23 into the assembly rack 30. In addition,
FIGS. 5a and 5b show a lifting fitting 25 for hoisting this assembly 30 . This lifting fitting 25 is connected to the main body 26.
A fitting part 27 that is provided at the lower part of the main body 26 and fits into a pair of lugs 19 that protrudes from the upper end of the control rod guide tube 1 , and a fitting part 27 that is provided in the lower part of the main body 26 and that fits into a pair of lugs 19 that protrude from the upper end of the control rod guide tube 1 , and a fitting part 27 that is provided in the lower part of the main body 26 and that fits into a pair of lugs 19 that protrude from the upper end of the control rod guide tube 1 . Circular fitting plate 2 that fits into the upper end opening
8. The lifting fittings 25 are each attached to a pair of lugs 19 at the upper end of the control rod guide tube 1, and are configured to stably lift the assembly 23 via the lifting fittings 25 . ing. The assembly rack 30 is also shown in FIGS. 6a and 6b. This assembly rack 30 has a base plate 31 and a holder part 32 provided on the base plate 31. One side of the base plate 31 is formed in an arc shape, and guide pieces 33 extend downwardly on the peripheral edge. is provided in a protruding manner, and is configured to fit into the peripheral edge of the upper grid plate in the reactor pressure vessel so that it can be placed stably. Further, the inside of the holder section 32 is partitioned into a plurality of sections, and is configured such that a plurality of assemblies 23 can be loaded therein. The assembly of the control rod guide tube 1, control rod 2, and fuel support fitting 3 and the loading of the assembly 23 onto the assembly rack 30 are all performed on the operation floor of the reactor building. Next, the assembly rack 30 loaded with these plurality of assemblies 23 is lifted up and suspended into the reactor pressure vessel 35 as shown in FIG. It is placed on the peripheral edge of the upper grid plate 36. In this case, as shown in FIG. 9, guide pieces 33 fit into the edges of the upper grid plate 36 to prevent the assembly rack 30 from shifting. Then, the assemblies 23 are taken out one by one from the assembly rack 30 , suspended through the upper grid plate 36 and the core support plate 37, and the lower end of the control rod guide tube 1 is fitted into the upper end of the control rod drive mechanism housing 38. and install it in place. [Effects of the Invention] As described above, the present invention includes the steps of horizontally supporting a control rod guide tube, inserting the control rod into the control rod guide tube from the horizontal direction, and vertically standing the control rod guide tube and the control rod. a step of attaching a fuel support fitting to the upper end of the upright control rod guide tube; a step of loading a plurality of assemblies of the control rod guide tube, control rod and fuel support fitting into an assembly rack; The process includes a step of lifting a rack loaded with a plurality of these assemblies into a reactor pressure vessel and installing it in the reactor pressure vessel, and a step of taking out the above-mentioned assemblies from the assembly rack and installing them at a predetermined position. This is what I did. Therefore, the three parts of the control rod guide tube, the control rod, and the fuel support fittings are assembled together outside the reactor pressure vessel, and a plurality of these assemblies are loaded into an assembly rack. Since it is suspended into the furnace pressure vessel, the number of lifting operations is greatly reduced, improving work efficiency. Further, the number of lifting operations is greatly reduced, and since the assembly is hung stably while being loaded onto the assembly rack, the possibility of falling is reduced, and other effects are great.
図は本発明の一実施例を説明するものであつ
て、第１図は制御棒案内管、制御棒および燃料支
持金具を組立てる装置の側面図、第２図は第１図
の−線に沿う断面図、第３図ａは制御棒案内
管の吊上金具の側面図、第３図ｂは同正面図、第
４図は組立体を組立体ラツクに装荷する工程を説
明する側面図、第５図ａは組立体の吊上金具の側
面図、第５図ｂは同正面図、第６図は組立体ラツ
クの平面図、第６図ｂは同側面図、第７図は組立
体ラツクの吊り込みおよび組立体の据付工程を説
明する縦断面図、第８図は組立体ラツクの載置状
態を示す平面図、第９図は第８図の−矢視図
である。
１……制御棒案内管、２……制御棒、３……燃
料支持金具、５……起倒台、１７……吊上金具、
２３……組立体、２５……吊上金具、３０……組
立体ラツク、３５……原子炉圧力容器。
The drawings are for explaining one embodiment of the present invention, in which Fig. 1 is a side view of an apparatus for assembling a control rod guide tube, a control rod, and a fuel support fitting, and Fig. 2 is a view taken along the - line in Fig. 1. 3a is a side view of the lifting fitting of the control rod guide tube, FIG. 3b is a front view thereof, and FIG. 4 is a side view illustrating the process of loading the assembly into the assembly rack. Figure 5a is a side view of the lifting fitting of the assembly, Figure 5b is a front view of the same, Figure 6 is a plan view of the assembly rack, Figure 6b is a side view of the same, and Figure 7 is the assembly rack. FIG. 8 is a plan view showing the mounting state of the assembly rack, and FIG. 9 is a view taken along the - arrow in FIG. 8. 1... Control rod guide tube, 2... Control rod, 3... Fuel support fittings, 5... Lifting stand, 17 ... Lifting fittings,
23... Assembly, 25 ... Lifting fittings, 30 ... Assembly rack, 35... Reactor pressure vessel.
Claims (1)
管内に水平方向から制御棒を挿入する工程と、こ
の制御棒案内管と制御棒とを垂直に起立させる工
程と、起立した制御棒案内管の上端に燃料支持金
具を装着する工程と、この制御棒案内管、制御棒
および燃料支持金具の組立体の複数本を組立体ラ
ツクに装荷する工程と、これら複数の組立体が装
荷されたラツクを原子炉圧力容器内に吊り込みこ
の原子炉圧力容器内に設置する工程と、この組立
体ラツクから上記組立体を取り出し所定位置に据
付ける工程とを具備したことを特徴とする制御棒
案内管、制御棒および燃料支持金具の据付方法。1. A step of horizontally supporting a control rod guide tube and inserting a control rod into the control rod guide tube from a horizontal direction, a step of vertically standing the control rod guide tube and the control rod, and a step of vertically supporting the control rod guide tube and inserting the control rod into the control rod guide tube. A step of attaching a fuel support fitting to the upper end, a step of loading a plurality of assemblies of the control rod guide tube, a control rod, and a fuel support fitting onto an assembly rack, and a step of loading a plurality of assemblies of the control rod guide tube, control rod, and fuel support fitting onto an assembly rack. A control rod guide tube comprising the steps of suspending the assembly into a reactor pressure vessel and installing it in the reactor pressure vessel, and taking out the assembly from the assembly rack and installing it at a predetermined position. , how to install control rods and fuel support fittings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57044108A JPS58161889A (en) | 1982-03-19 | 1982-03-19 | Method of fixing control rod guide tube , control rod and fuel supporting jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57044108A JPS58161889A (en) | 1982-03-19 | 1982-03-19 | Method of fixing control rod guide tube , control rod and fuel supporting jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58161889A JPS58161889A (en) | 1983-09-26 |
| JPS6412355B2 true JPS6412355B2 (en) | 1989-02-28 |
Family
ID=12682412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57044108A Granted JPS58161889A (en) | 1982-03-19 | 1982-03-19 | Method of fixing control rod guide tube , control rod and fuel supporting jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58161889A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02137737U (en) * | 1989-04-20 | 1990-11-16 |
-
1982
- 1982-03-19 JP JP57044108A patent/JPS58161889A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02137737U (en) * | 1989-04-20 | 1990-11-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58161889A (en) | 1983-09-26 |
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