JPS6044766A - Circulating heat collection system - Google Patents
Circulating heat collection systemInfo
- Publication number
- JPS6044766A JPS6044766A JP58152308A JP15230883A JPS6044766A JP S6044766 A JPS6044766 A JP S6044766A JP 58152308 A JP58152308 A JP 58152308A JP 15230883 A JP15230883 A JP 15230883A JP S6044766 A JPS6044766 A JP S6044766A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- heat medium
- heat
- medium pipe
- gate valve
- 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
- 238000005338 heat storage Methods 0.000 claims description 7
- 239000012071 phase Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 16
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 239000002470 thermal conductor Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0015—Domestic hot-water supply systems using solar energy
- F24D17/0021—Domestic hot-water supply systems using solar energy with accumulation of the heated water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S90/00—Solar heat systems not otherwise provided for
- F24S90/10—Solar heat systems not otherwise provided for using thermosiphonic circulation
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は動力を必要としないで熱媒体を循環させる循環
集熱システムに関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a circulating heat collection system that circulates a heat medium without requiring power.
（ロ）従来技術
フランスのＢｅｒｎｉｅｒ氏は第１図の如き自動循環集
熱システムを提案している。このシステムは第１タンク
（１１と、このタンクよりも下位孟二設けた第２タンク
（２）と、第１タンク（１１と第２タンク（２）との気
相部間を連結した第１熱媒体管路（３）と、この第１熱
媒体管路（３）の熱媒体流れを導通遮断する仕切弁（４
）と、上記両タンク（１１ｆ２）より下位に設は第１タ
ンク（１）から延びて第１タンクへの熱媒体の逆流を阻
止する第１逆止弁（５）と熱源（６）とを介して第２タ
ンク（２）の下部に連結した第２熱媒体管路（７）と、
上記両タンク＋１１（２１より下位に設は第２熱媒体管
路（７）の第１タンク（１１と第１逆止弁（５）との間
から延びて蓄熱槽０１と第２タンク（２）への熱媒体の
逆流を阻止する第２逆止弁（８）を介して第２タンク（
２）の下部に連結した第３熱媒体管路（９）とからなる
ものであり、以下の如く動作する。(b) Prior Art Mr. Bernier of France has proposed an automatic circulation heat collection system as shown in FIG. This system consists of a first tank (11), a second tank (2) located below this tank, and a first tank (11) that connects the gas phase of the first tank (11) and the second tank (2). A gate valve (4) that conducts and cuts off the flow of the heat medium in the heat medium pipe (3) and the first heat medium pipe (3).
), and a first check valve (5) that extends from the first tank (1) and prevents backflow of the heat medium to the first tank and a heat source (6) are installed below both tanks (11f2). a second heat medium pipe (7) connected to the lower part of the second tank (2) through the second tank (2);
Both tanks +11 (lower than 21) extend from between the first tank (11) of the second heat medium pipe (7) and the first check valve (5), and extend between the heat storage tank 01 and the second tank (2). ) through a second check valve (8) that prevents the heat medium from flowing back into the second tank (
2) and a third heat medium pipe (9) connected to the lower part of the heat transfer medium pipe (9), and operates as follows.
即ち、上記のシステム中には熱媒体が液として第２タン
ク（２）の上端まで満されていて、熱源（６）により加
熱されると熱媒体は蒸発もしくは沸騰し。That is, in the above system, the heat medium is filled as a liquid up to the upper end of the second tank (2), and when heated by the heat source (6), the heat medium evaporates or boils.
然
発生蒸気は第２媒体管路（７）の一部（７ａ）を経由ム
して第２タンク（２）内に流入する。ここで第１、第２
タンク（１１（２１が周囲から断熱され、仕切弁（４）
が閉じているので、第２タンク（２）内の熱媒体が加熱
され温度が上昇する。この熱媒体の加熱の進行につれ第
１図に示す如く蒸気圧差により第２タンク（２）液位が
低下し、第１タンク（１）の液位が上昇する。The naturally generated steam flows into the second tank (2) via a part (7a) of the second medium line (7). Here the first and second
Tank (11 (21) is insulated from the surrounding area, gate valve (4)
is closed, the heat medium in the second tank (2) is heated and its temperature rises. As the heating of the heat medium progresses, the liquid level in the second tank (2) decreases and the liquid level in the first tank (1) increases due to the vapor pressure difference, as shown in FIG.
この時第２タンク（２）内の高温熱媒体は第３熱媒体管
路（９）の一部（９ａ）により第２逆止弁（８）を経て
蓄熱槽帥の熱交換部（１０ａ）に流入し蓄熱槽（ＬＯｉ
内の水等を加熱し自ら低温化された後、第３熱媒体管路
の一部（９ｂ）、分岐部（１１）および第２熱媒体管路
の一部（７ｂ）を経て第１タンク（１）に流入する。At this time, the high temperature heat medium in the second tank (2) is passed through the second check valve (8) by a part (9a) of the third heat medium pipe (9) to the heat exchange section (10a) of the heat storage tank head. into the heat storage tank (LOi
After heating the water etc. in the tank and lowering the temperature itself, it passes through a part (9b) of the third heat medium pipe, a branch part (11) and a part (7b) of the second heat medium pipe to the first tank. (1).
更に、熱源（６）による熱媒体の加熱が進み第１タンク
（１）内が熱媒体で満されると、仕切弁（４）が開かれ
第１熱媒体管路（３）を通して第１タツク（１）内と第
２タンク（２）内との熱媒体が混合し等正比され、重力
差により第１タンク（１１内の液位が下が））、第１タ
ンク（１）の熱媒体が第２熱媒体管路（７により第１逆
止弁（５）と熱源（６）を経て第２タンク（２）に流入
し、て熱媒体が熱源（６）−第２タンク（２）→蓋熱槽
（Ｉω→第１タンク（１）→熱源（６１という循環を繰
り返し、熱源（６）から蓋熱槽鱈への熱移動が循環ポン
プを使用せず行なわれる。Furthermore, when the heat medium is heated by the heat source (6) and the inside of the first tank (1) is filled with the heat medium, the gate valve (4) is opened and the first tank is heated through the first heat medium pipe (3). The heat medium in the first tank (11) and the second tank (2) are mixed and equidistantly proportioned, and due to the difference in gravity, the heat medium in the first tank (the liquid level in the tank 11 is lower) and the heat medium in the first tank (1). flows into the second tank (2) through the second heat medium pipe (7) via the first check valve (5) and the heat source (6), and the heat medium flows between the heat source (6) and the second tank (2). The cycle of → lid heat tank (Iω → first tank (1) → heat source (61) is repeated, and heat transfer from the heat source (6) to the lid heat tank cod is performed without using a circulation pump.
尚、上記において熱源（６１としては太陽集熱器等が用
いられる。In the above, a solar collector or the like is used as the heat source (61).
ところで、上記の従来構造に依れば第２タンクｆ２１加
圧時、第１タンク（１１も第２タンク（２）の圧力から
熱媒体が系内な流れる時の圧損と液位上昇による位置エ
ネルギーに相当する圧力を差し引いた圧力で加圧され、
第１タンク（１）内の７１相部が断熱圧縮されこれによ
り温度上昇を伴う為家二、第１タンク（１）内の蒸気は
徐々にしか凝縮せず、液位上昇が緩慢となる。その結果
大流量を循環させることができないものであった。By the way, according to the above-mentioned conventional structure, when the second tank f21 is pressurized, the potential energy due to the pressure drop and liquid level rise when the heat medium flows in the system from the pressure of the first tank (11 and the second tank (2)). is pressurized with a pressure equal to
Since the 71st phase in the first tank (1) is adiabatically compressed and this causes a temperature rise, the vapor in the first tank (1) condenses only gradually, and the liquid level rises slowly. As a result, it was not possible to circulate a large flow rate.
し９ 発明の目的
本発明は上記の問題に鑑み第１タンク内での熱媒体の凝
縮速度を速くすることにより、熱媒体の循環流量を増大
させることを目的とする。9. OBJECTS OF THE INVENTION In view of the above-mentioned problems, an object of the present invention is to increase the circulation flow rate of the heat medium by increasing the condensation rate of the heat medium in the first tank.
に）発明の構成
本発明の構成は周囲から断熱された第１タンクと、この
タンク−よりも下位に設けられ周囲から断熱された第２
タンクと、第１タンクと第２タンクとの気相部間を連通
した第１熱媒体管路と、この第１熱媒体管路の熱媒体流
れを導通、遮断する仕切弁と、上記両タンクより下位に
設は第１タンクへの熱媒体の逆流を阻止する第１逆上弁
と熱源とを介設し第１タンク下部と第２タンクとを連通
した第２熱媒体管路と、上記両タンクより下位区二設は
蓄熱槽と第２タンクへの熱媒体の逆流を阻止する第２逆
止弁を介設し第１タンクと第２タンク下部とを連通した
第３熱媒体管路とからなるものＩ：おいて、第１タンク
内に熱伝導体を気相部から液相部にわたって配設したも
のであ′ｆ）、熱伝導体の存在により蒸気が冷却され易
くなり第１タンクの加圧時蒸気の凝縮速度が速くなるも
のである。B) Structure of the Invention The structure of the present invention includes a first tank that is insulated from the surroundings, and a second tank that is provided below this tank and is insulated from the surroundings.
a tank, a first heat medium pipe that communicates between the gas phase portions of the first tank and the second tank, a gate valve that conducts and blocks the flow of the heat medium in the first heat medium pipe, and both of the tanks. A second heat medium pipe line is provided at a lower level and communicates the lower part of the first tank with the second tank by interposing a first backflow valve and a heat source to prevent backflow of the heat medium to the first tank; In the two lower sections below both tanks, there is a third heat medium pipe that communicates the lower part of the first tank and the second tank by interposing a second check valve that prevents the heat medium from flowing back into the heat storage tank and the second tank. I: In the first tank, a thermal conductor is arranged from the gas phase part to the liquid phase part. The rate of condensation of steam increases when the tank is pressurized.
（ホ）発明の効果
上記の如く構成される本発明に依れば第１タンクの蒸気
の凝縮速度が従来に比較して速くなる結果、液位変化を
速くでき、結果として従来に比較して熱媒体の循環流量
を増大でき、熱移動量を増加させることができる。(E) Effects of the Invention According to the present invention configured as described above, the rate of condensation of steam in the first tank is faster than that of the conventional method, and as a result, the liquid level can be changed more quickly than that of the conventional method. The circulation flow rate of the heat medium can be increased, and the amount of heat transfer can be increased.
第１図の従来例と異なるのは第１タンク（１１の内部の
みであり、その他は同様であるので説明を省略する。第
３図において、 ｆ１６は第１タンク（１）の外壁で周
囲は図示しない断熱材Ｉ：で包囲される。０・・・は第
１タンクロ）内の液層部（３）から気層部（Ｂ）にわた
って上下に、かつ多数並列的に配設された熱伝導率の良
好な板体からなる熱伝導体で、好ましくは金属板が用い
られる。The only difference from the conventional example shown in Fig. 1 is the inside of the first tank (11), and the rest is the same, so the explanation will be omitted. In Fig. 3, f16 is the outer wall of the first tank (1), and the surrounding area is Surrounded by heat insulating material I: (not shown). 0... is a heat conduction material arranged vertically and in parallel from the liquid layer part (3) to the air layer part (B) in the first tank tank. A heat conductor made of a plate with good coefficient, preferably a metal plate.
上記の構成において、図示の如く第２タンク（２）内の
圧力が上昇し第２タンク（２）内液位が低下すると、第
１タンク（１）内液位が上昇し、第１タンク（１１内蒸
気は断熱圧縮される。この断熱圧縮により温度上昇した
蒸気は、液によって冷却され低温に保たれた熱伝導体（
１３１により冷却されこの上で凝縮し。In the above configuration, as shown in the figure, when the pressure in the second tank (2) increases and the liquid level in the second tank (2) decreases, the liquid level in the first tank (1) increases, and the liquid level in the first tank (1) decreases. The steam inside No. 11 is adiabatically compressed.The steam whose temperature has risen due to this adiabatic compression is cooled by the liquid and kept at a low temperature by the thermal conductor (
131 and condensed thereon.
流下する。従って、従来の熱伝導板を設けないものと比
較して、凝縮面積が格段に広く一液相と気相との間の熱
伝導が速やかに行なわれるので、凝縮速度が速くなり、
ボンピングサイクル（仕切弁（４）の０Ｎ−ＯＦＦ）数
を増加でき、熱媒体の循環流量を増大できる。Flow down. Therefore, compared to the conventional one without a heat conduction plate, the condensation area is much wider and heat conduction between the liquid phase and the gas phase is rapid, so the condensation speed becomes faster.
The number of pumping cycles (ON-OFF of the gate valve (4)) can be increased, and the circulating flow rate of the heat medium can be increased.
具体的には、高さ３００間の第１タンク（１）容積（２
）
を５．３Ｅとし、第２タンク容積を５．５１とし、熱伝
導体ＯＪを２０枚の銅製伝熱プレート（総伝熱面積ｏ、
７ Ｆ７／ ）とし、熱媒体としてフレオン１１１を
用いこれを高さ３００Ｍの第２タンク（２）の約２００
間の高さまで密閉系内に封入し、第２タンク（２）に液
位センサ（１４ａ）（１４ｂ）（両者の間隔を１５７ｍ
ｍ）を付設し、液位が下降して下方のセンサー（１４ｂ
）を通過する時仕切弁（４）を開き、液位が上昇して上
方のセンサー（１ａａ）を通過する時仕切弁（４）を閉
じるようにし、熱源（６）での加熱量を２２３ Ｋｃａ
ｌ！／ｈ、蓄熱槽ａ■テノ放熱Ｊｉヲ１４８Ｋｃａｌ！
／ｂとした時の実験結果は次のとおりである。Specifically, the first tank (1) volume (2
) is 5.3E, the second tank volume is 5.51, the thermal conductor OJ is 20 copper heat transfer plates (total heat transfer area o,
7F7/ ), Freon 111 is used as the heat medium, and it is placed in the second tank (2) with a height of 300M.
The liquid level sensors (14a) (14b) (with a distance of 157 m between them) are placed in the second tank (2).
m) is attached, and when the liquid level falls, the lower sensor (14b) is attached.
), the gate valve (4) is opened when the liquid level rises and passes through the upper sensor (1aa), and the gate valve (4) is closed.
l! /h, heat storage tank a ■ teno heat dissipation Jiwo 148Kcal!
The experimental results when /b are as follows.
即ち、第２タンク（２）の蒸気温度が６０．９℃第１タ
ンク（１１底温度が５０．２℃、動作温度差１０．７°
Ｃ１揚液時間が５．９５ｍ１ｎ、廃液時間がＱ、９９ｍ
１ｎ、１サイクル所要時間が４．９４ｍ１ｎとなり循環
流量は約０．６３１！／ｍｉｎとなった。第２タンク（
２）内中央において上から６５間の点を■、■から８５
前下の点を■、■から８５調下の点を■、第１タンク（
１）内中央１＝おいて下から６５ｍｍの点を■、■から
８５闘上の点を■、■から８５ｗＡ上の点を■とすると
、各０〜０点の温度変化は第４図に示される。That is, the steam temperature in the second tank (2) is 60.9 degrees Celsius, the bottom temperature of the first tank (11 is 50.2 degrees Celsius, and the operating temperature difference is 10.7 degrees).
C1 pumping time is 5.95m1n, waste liquid time is Q, 99m
1n, the time required for one cycle is 4.94ml1n, and the circulation flow rate is approximately 0.631! /min. Second tank (
2) At the center of the interior, mark the points between 65 and 65 from the top as ■, and from ■ to 85.
The point below the front is ■, the point 85 below from ■ is ■, and the first tank (
1) Let the point 65mm from the bottom of the inner center 1 be ■, the point above 85wA from ■ be ■, and the point above 85wA from ■ be ■, then the temperature changes from each 0 to 0 point are shown in Figure 4. shown.
尚１本発明は上記実施例に限定されるものではなく第３
熱媒体管路（９）の一端は直接第１タンク（１１に連結
して連通させても良い。又逆止弁（５０８）の位置は図
示に限定されない。又、熱伝導体ａ３の形状は図示に限
定されず例えば一枚の板で螺旋状に巻装した形状として
も良い。又、仕切弁（４）はフロート（図示しない）に
より機械的に開閉するものでもない。Note that the present invention is not limited to the above embodiments, but
One end of the heat medium pipe (9) may be directly connected to the first tank (11) for communication. Also, the position of the check valve (508) is not limited to that shown in the figure. Also, the shape of the heat conductor a3 is The gate valve (4) is not limited to the one shown in the drawings, but may be wound in a spiral shape using a single plate.Furthermore, the gate valve (4) is not mechanically opened and closed by a float (not shown).
第１図は従来例の要部断面概略構成図、第２図は本発明
一実施例の要部断面概略構成図、第３図（イ）同はそれ
ぞれ同実施例の要部切欠縦断面図、要部切欠平面図、第
４図は同実施例の動作説明図である。
（１）・・・第１タンク、 （２）・・・第２タンク、
（３）・・・第１熱媒体管路、（４）・・・仕切弁、（
５）・・・第１逆止弁。
（６）・・・熱源、（７）・・・第２熱媒体管路％ （
８）・・・第２逆止弁、 （９）・・・第３熱媒体管路
、 ａＯｌ・・・蓄熱槽。
（１３１・・・熱伝導体。
符開日ＸＧＯ−４４７６６（４）Fig. 1 is a schematic sectional view of the main parts of the conventional example, Fig. 2 is a schematic sectional view of the main parts of an embodiment of the present invention, and Fig. 3 (A) is a longitudinal sectional view of the main parts of the same embodiment. , a cutaway plan view of essential parts, and FIG. 4 are explanatory views of the operation of the same embodiment. (1)...first tank, (2)...second tank,
(3)...First heat medium pipe line, (4)...Gate valve, (
5)...First check valve. (6)...Heat source, (7)...Second heat medium pipe % (
8)...Second check valve, (9)...Third heat medium pipe line, aOl...Heat storage tank. (131... Heat conductor. Open day XGO-44766 (4)
Claims (1)
りも下位に設けられ周囲から断熱された第２タンクと、
第１タンクと第２タンクとの気相部間を連通した第１熱
媒体管路と、この第１熱媒体管路の熱媒体流れを導通遮
断する仕切弁と、上記両タンクより下位に設は第１タン
クへの熱媒体の逆流を阻止する第１逆止弁と熱源とを介
設し第１タンク下部と第２タンクとを連通した第２熱媒
体管路と、上記両タンクより下位に設は蓄熱槽と第２タ
ンクへの熱媒体の逆流を阻止する第２逆止弁を介設し第
１タンクと第２タンク下部とを連通した第３熱媒体管路
とからなるものにおいて、第１タンク内に熱伝導体を気
相部から液相部にわたって配設したことを特徴とする循
環集熱システム。(11 A first tank that is insulated from the surroundings, and a second tank that is installed lower than this tank and is insulated from the surroundings,
A first heat medium pipe that communicates between the gas phase portions of the first tank and the second tank, a gate valve that conducts and cuts off the flow of the heat medium in the first heat medium pipe, and a gate valve that is installed below both of the tanks. is a second heat medium pipe line which communicates the lower part of the first tank with the second tank by interposing a heat source and a first check valve that prevents the back flow of the heat medium into the first tank; In the one that consists of a heat storage tank and a third heat medium pipe line that communicates the first tank and the lower part of the second tank with a second check valve interposed therein that prevents the heat medium from flowing back into the second tank. A circulating heat collection system, characterized in that a heat conductor is disposed in the first tank from a gas phase section to a liquid phase section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58152308A JPS6044766A (en) | 1983-08-19 | 1983-08-19 | Circulating heat collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58152308A JPS6044766A (en) | 1983-08-19 | 1983-08-19 | Circulating heat collection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6044766A true JPS6044766A (en) | 1985-03-09 |
| JPH0450501B2 JPH0450501B2 (en) | 1992-08-14 |
Family
ID=15537683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58152308A Granted JPS6044766A (en) | 1983-08-19 | 1983-08-19 | Circulating heat collection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6044766A (en) |
-
1983
- 1983-08-19 JP JP58152308A patent/JPS6044766A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450501B2 (en) | 1992-08-14 |
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