JP3266938B2 - Sealed lead-acid battery and method of manufacturing the same - Google Patents
Sealed lead-acid battery and method of manufacturing the sameInfo
- Publication number
- JP3266938B2 JP3266938B2 JP18630492A JP18630492A JP3266938B2 JP 3266938 B2 JP3266938 B2 JP 3266938B2 JP 18630492 A JP18630492 A JP 18630492A JP 18630492 A JP18630492 A JP 18630492A JP 3266938 B2 JP3266938 B2 JP 3266938B2
- Authority
- JP
- Japan
- Prior art keywords
- filling port
- granule
- granules
- storage battery
- granule filling
- 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 - Fee Related
Links
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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Filling, Topping-Up Batteries (AREA)
- Secondary Cells (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は密閉形鉛蓄電池及びその
製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed lead-acid battery and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】充電中に発生する酸素ガスを負極で吸収
させるタイプの密閉形鉛蓄電池には、リテ−ナ式とゲル
式との２種類がある。リテ−ナ式は、正極板と負極板と
の間に挿入された微細ガラス繊維を主体とするマット状
のセパレ−タ（ガラスセパレ−タ）よって放電に必要な
硫酸電解液の保持と両極の隔離を行うものであり、無保
守、無漏液、ポジションフリ−等の特徴を生かして、近
年、ポ−タブル機器やコンピュ−タのバックアップ電源
として広く用いられている。2. Description of the Related Art There are two types of sealed lead-acid batteries of a type in which oxygen gas generated during charging is absorbed by a negative electrode, a retainer type and a gel type. The retainer type is a mat type separator mainly composed of fine glass fibers inserted between the positive electrode plate and the negative electrode plate (glass separator) to hold a sulfuric acid electrolyte necessary for discharge and to separate both electrodes. In recent years, it has been widely used as a backup power source for portable devices and computers, taking advantage of features such as maintenance-free, liquid-free, and position-free.
【０００３】ガラスセパレ−タは、特殊な方法で製造さ
れる直径１ミクロン前後の微細ガラス繊維を抄造してマ
ット状としたものである。このため、一般的に用いられ
る鉛蓄電池用のセパレ−タに比べかなり高価なことや、
安定した蓄電池性能を得るためには極板群を強く圧迫し
て組み込まなければならないのため蓄電池の組立が困難
となること等により、必然的に製造コストが高くなると
いう欠点がある。[0003] The glass separator is made by forming fine glass fibers having a diameter of about 1 micron manufactured by a special method into a mat shape. For this reason, it is considerably expensive compared to the separator for lead storage batteries which are generally used,
In order to obtain stable storage battery performance, the electrode group must be strongly pressed and assembled, so that it is difficult to assemble the storage battery.
【０００４】また、硫酸電解液を保持させることができ
るのは正、負極板間に挿入したガラスセパレ−タだけで
あって、開放形の液式鉛蓄電池のように極板群の周囲に
電解液を装置できないので、充放電反応が電解液量で制
限され、液式蓄電池よりも性能が劣るという欠点もあ
る。[0004] Further, only the glass separator inserted between the positive and negative electrode plates can hold the sulfuric acid electrolytic solution. Like the open type lead-acid battery, the electrolytic solution is held around the electrode plate group. However, there is also a disadvantage that the charge / discharge reaction is limited by the amount of the electrolyte, and the performance is inferior to that of the liquid storage battery.
【０００５】一方、ゲル式は、リテ−ナ式よりも安価で
あるが、蓄電池性能がリテ−ナ式密閉形鉛電池より劣
り、使用中に硫酸ゲルから電解液が離獎するために寿命
性能が良くないという欠点がある。[0005] On the other hand, the gel type is less expensive than the retainer type, but the storage battery performance is inferior to that of the sealed type lead-acid battery. Has the disadvantage that it is not good.
【０００６】そこで、これらの欠点を解消するために、
微細ガラス繊維を用いるリテ−ナ式でもなくゲル状の電
解液を用いるゲル式でもない密閉形鉛蓄電池が提案され
ている。すなわち、電解液保持材として高い多孔度と大
きい比面積とを有する顆粒、たとえばシリカ顆粒を使用
するもので、正極板と負極板との間隙および極板群の周
囲に上記顆粒を充填した構成の密閉形鉛蓄電池である。
このような蓄電池の例を図６に示す。Therefore, in order to eliminate these disadvantages,
There has been proposed a sealed lead-acid battery that is neither a retainer type using fine glass fibers nor a gel type using a gel electrolyte. That is, granules having high porosity and a large specific area, such as silica granules, are used as the electrolyte holding material, and the granules are filled around the gap between the positive electrode plate and the negative electrode plate and around the electrode plate group. It is a sealed lead-acid battery.
FIG. 6 shows an example of such a storage battery.
【０００７】尚、シリカ顆粒は、大量に生産、販売され
ている安価な材料であり、耐酸性や電解液の保持力も優
れているので、このタイプの密閉形鉛蓄電池に電解液保
持材に用いる顆粒としては優れた素材であるといえる。[0007] Silica granules are inexpensive materials that are produced and sold in large quantities, and are excellent in acid resistance and electrolyte-retaining ability. Therefore, they are used as electrolyte-holding materials in sealed lead-acid batteries of this type. It can be said that granules are excellent materials.
【０００８】[0008]
【発明が解決しようとする課題】ところが、顆粒を用い
た密閉形鉛蓄電池は、顆粒を充填するための充填口が必
要であると共に、充填後は充填口が完全に密封されてい
る必要がある。封口の方法としては、ネジ式の栓または
蓋を熱溶着するか接着剤による接着方法が一般的であ
る。しかし、電槽に充填された顆粒は充填口から飛び散
りやすく、充填口を封口するまでの間、特に移動時等、
に充填口部に顆粒が付着し易い。顆粒が充填口部に付着
すると、封口する際、顆粒を狭み込み気密不良を起こす
ことが多い。このため、封口前に充填口部の顆粒除去を
行う必要がある。作業としては顆粒をエア等で吹き飛ば
す方法が最も有効であるが、充填されている顆粒まで吹
き飛ばしてしまうので採用できない。人手に頼っていた
のでは生産効率が悪い。However, a sealed lead-acid battery using granules requires a filling port for filling granules, and after filling, the filling port must be completely sealed. . As a sealing method, a screw-type stopper or lid is generally thermally welded or an adhesive method is used. However, the granules filled in the battery case are easily splattered from the filling port, and until the filling port is closed, especially when moving.
The granules tend to adhere to the filling port. When the granules adhere to the filling port, the granules are often narrowed during sealing, causing poor airtightness. For this reason, it is necessary to remove the granules from the filling port before closing. As the work, the method of blowing the granules off with air or the like is the most effective, but it cannot be adopted because the filled granules are blown off. Relying on humans is inefficient.
【０００９】この発明は上記のような課題を解決するた
めに成されたものであり、その目的とするところは、顆
粒と顆粒に埋設された極板群とを備え充放電に必要な電
解液を顆粒に保持させた密閉形鉛蓄電池を、封口部への
顆粒付着による気密不良等をなくし、容易に製造するに
はどのような手段を講ずれば良いか、という点にある。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an electrolytic solution comprising a granule and an electrode group embedded in the granule and necessary for charging and discharging. What is necessary is to take any measures to easily manufacture a sealed lead-acid battery in which granules are held in granules, by eliminating airtight defects due to granules adhering to the sealing portion and the like.
【００１０】[0010]
【課題を解決するための手段】そこで、顆粒充填口と顆
粒に埋設された極板群を備え、充放電に必要な電解液を
顆粒に保持させた密閉形鉛蓄電池であって、顆粒充填口
が２重に封口されていることを特徴とする密閉形鉛蓄電
池、さらに好ましくは、この構造の密閉形鉛蓄電池であ
って、顆粒充填口と排気口とを蓋に備え、該蓋に備えら
れた顆粒充填口が２重に封口されていることを特徴とす
る密閉形鉛蓄電池、及び、顆粒充填口と排気口とを備え
た蓋と極板群を備えた電槽とを一体に接合する第一の工
程と、顆粒充填口より蓄電池内部に顆粒を充填する第二
の工程と、顆粒充填口に第１の封口部を形成する第三の
工程と、顆粒充填口部を清掃する第四の工程と、顆粒充
填口に第二の封口部を形成することにより顆粒充填口を
２重に封口する第五の工程とを備え、第一〜五の工程の
順に行うことを特徴とする上記密閉形鉛蓄電池の製造方
法により、従来の課題を解決するものである。SUMMARY OF THE INVENTION Accordingly, there is provided a sealed lead-acid battery having a granule filling port and an electrode group embedded in the granules, wherein an electrolyte solution required for charging and discharging is held in the granules. Is a sealed lead-acid battery characterized by being double-sealed, more preferably a sealed lead-acid battery of this structure, wherein the lid is provided with a granule filling port and an exhaust port, and provided in the lid. Sealed lead-acid battery characterized in that the granule filling port is double-sealed, and a lid provided with the granule filling port and an exhaust port and a battery case provided with an electrode plate group are integrally joined. A first step, a second step of filling granules into the storage battery from the granule filling port, a third step of forming a first sealing portion in the granule filling port, and a fourth step of cleaning the granule filling port. And forming a second sealing portion in the granule filling port to double-block the granule filling port. And a step, by the manufacturing method of the sealed lead-acid battery, characterized in that it is carried out in the order of the first to fifth steps, is intended to solve the conventional problems.
【００１１】[0011]
【実施例】以下に、本発明を実施例に基づいて説明す
る。図１は本発明の１実施例である密閉形蓄電池の要部
断面図である。この蓄電池は、顆粒と顆粒に埋設された
極板群とを備え、充放電に必要な電解液を顆粒に保持さ
せたものであり、顆粒充填口１０と排気口１１とを備え
た蓋５であって顆粒充填口１０は第１の封口部７とそれ
より蓄電池外部側の第２の封口部６とで２重に封口され
たものと、極板群２を備えた電槽１と、蓄電池内部１２
一杯に充填された顆粒３とを備えてなることを特徴とし
ている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments. FIG. 1 is a sectional view of a main part of a sealed storage battery according to one embodiment of the present invention. This storage battery includes a granule and an electrode group embedded in the granule, and retains an electrolytic solution necessary for charge / discharge in the granule. The lid 5 includes a granule filling port 10 and an exhaust port 11. The granule filling port 10 is double-sealed by a first sealing portion 7 and a second sealing portion 6 outside the storage battery, a battery case 1 provided with an electrode plate group 2, and a storage battery. Inside 12
And granules 3 which are fully filled.
【００１２】かかる蓄電池は次のようにして得られる。
先ず、蓋と電槽とを接合する第一の工程について説明す
る。蓋５は、顆粒を蓄電池内部に充填するための顆粒充
填口１０と注液や排気弁９装着のための排気口１１とを
有したものである（図２参照）。本発明の１つの特徴
は、顆粒充填口１０を２重に封口する事にある。従っ
て、顆粒充填口１０は、例えば図２に示すような筒状と
し、２重に封口し易くする必要がある。かかる蓋５と、
正極板、負極板および極板間隔を一定に保つためのリブ
付きセパレ−タとからなる極板群２が挿入された電槽１
とが、周知の手段で一体に接合されて、第一の工程を終
える。尚、１５はポール挿通口であり、８は弁部下部に
装着された多孔体よりなるフィルタである。４は極板群
２の上部には電流取り出し用ポ−ル４である。Such a storage battery is obtained as follows.
First, the first step of joining the lid and the battery case will be described. The lid 5 has a granule filling port 10 for filling the inside of the storage battery with the granules, and an exhaust port 11 for injecting the liquid and mounting the exhaust valve 9 (see FIG. 2). One feature of the present invention is that the granule filling port 10 is double-sealed. Therefore, the granule filling port 10 needs to be formed in a cylindrical shape as shown in FIG. 2, for example, to facilitate double sealing. Such a lid 5,
A battery case 1 in which an electrode plate group 2 composed of a positive electrode plate, a negative electrode plate, and a ribbed separator for keeping the interval between the electrode plates constant is inserted.
Are joined together by well-known means to complete the first step. Reference numeral 15 denotes a pole insertion port, and reference numeral 8 denotes a filter made of a porous body mounted at a lower portion of the valve portion. Reference numeral 4 denotes a current take-out port 4 above the electrode plate group 2.
【００１３】第二の工程は、第一の工程で形成された蓋
５と電槽１との接合体である蓄電池の内部空間１２に、
顆粒を充填する工程である。顆粒は顆粒充填口１０から
充填される。ここで用いる顆粒としては高い多孔度と大
きい比表面積を有するものであればよく、例えばホワイ
トカ−ボン（含水二酸化珪素の微粉体）、珪藻土、フロ
−ライト（シリカリッチな珪酸カルシウム粉体）等があ
り、いずれも多孔度８０〜９０％、比表面積１０〜３０
０ｍ2 ／ｇの範囲にあり、ガラスセパレ−タの１〜２ｍ
2 ／ｇに比べてかなり大きな比表面積を有している。本
実施例では顆粒３としてホワイトカ−ボンの造粒物を用
いている。顆粒３を蓄電池内部空間一杯に充填するに
は、蓄電池を傾斜させたり、震動を加えたりすればよ
い。この工程では、顆粒充填部口１０やその開口部１
３、１４への顆粒付着が避け難い。In the second step, the internal space 12 of the storage battery, which is a joined body of the lid 5 and the battery case 1 formed in the first step,
This is the step of filling granules. The granules are filled from the granule filling port 10. The granules used here may be those having a high porosity and a large specific surface area, such as white carbon (fine powder of hydrous silicon dioxide), diatomaceous earth, and fluorite (silica-rich calcium silicate powder). All have a porosity of 80 to 90% and a specific surface area of 10 to 30.
0 m 2 / g, 1-2 m of glass separator
It has a much larger specific surface area than 2 / g. In the present embodiment, granules of white carbon are used as the granules 3. In order to completely fill the granules 3 with the internal space of the storage battery, the storage battery may be tilted or vibrated. In this step, the granule filling port 10 and its opening 1
It is difficult to avoid adhesion of granules to 3 and 14.
【００１４】第三の工程は、顆粒が充填された蓄電池の
顆粒充填口１０の開口部１３を封口し、第一の封口部７
を形成する工程である。この工程の目的は、次の工程で
顆粒充填口１０部に付着した顆粒を除去清掃するに当た
って、蓄電池内部に充填された顆粒３までが除去された
り飛散したりするのを防止するために、蓄電池内部１２
と第２の封口部６とを隔離することである。従って、第
一の封口部７は必ずしも液密あるいは気液に保たれる必
要はない。仮図３のようなネジ式でも、図４のような嵌
合式でも、あるいは、図５のような栓式でもよい。本実
施例では図５に示すような栓を用いている。In the third step, the opening 13 of the granule filling port 10 of the storage battery filled with granules is sealed, and the first sealing section 7 is closed.
Is a step of forming The purpose of this step is to remove the particles attached to the granule filling port 10 in the next step and to clean them. In order to prevent the particles 3 filled in the storage battery from being removed or scattered, Inside 12
And the second sealing portion 6. Therefore, the first sealing portion 7 does not necessarily need to be kept liquid-tight or gas-liquid. A screw type as shown in FIG. 3, a fitting type as shown in FIG. 4, or a plug type as shown in FIG. 5 may be used. In this embodiment, a stopper as shown in FIG. 5 is used.
【００１５】第四の工程は、第一の封口部６が形成され
た顆粒充填済み蓄電池の顆粒充填口１０部に付着した顆
粒を除去清掃する工程である。従来のこの種蓄電池で
は、顆粒充填口に付着した顆粒の除去が十分行われ難か
ったため、気密不良が発生していたものである。本発明
にかかる製造方法によれば、第一の封口部７により蓄電
池内部に充填された顆粒は第二の封口部となる開口部１
４から隔離されているので、蓄電池内部の顆粒に考慮を
払うことなく、吸引や吹き飛ばし等により十分な顆粒除
去清掃作業が行える。The fourth step is a step of removing and cleaning the granules adhered to the granule filling port 10 of the granulated filling battery in which the first sealing portion 6 is formed. In this type of conventional storage battery, it is difficult to sufficiently remove the granules adhering to the granule filling port, and thus poor airtightness has occurred. According to the manufacturing method according to the present invention, the granules filled in the storage battery by the first sealing portion 7 have the opening 1 serving as the second sealing portion.
4, the granule inside the storage battery can be sufficiently cleaned and removed by suction or blowing without considering the granule inside the storage battery.
【００１６】第五の工程は、顆粒充填口１０に第二の封
口部６を形成し、顆粒充填口１０を２重に封口するため
のものである。第二の開口部１４は封口蓋６等で気密漏
れ等がないように、完全に封口される。かくして、顆粒
が一杯に充填された蓄電池が得られる。In the fifth step, the second sealing portion 6 is formed in the granule filling port 10 and the granule filling port 10 is double-sealed. The second opening 14 is completely sealed by the sealing lid 6 or the like so that there is no airtight leakage or the like. Thus, a storage battery fully filled with granules is obtained.
【００１７】この後は、排気口１１から注液され、周知
の手順に従って初充電が行われ、弁９が装着されて、密
閉形鉛蓄電池が得られる。尚、本実施例で用いた蓋５を
いわゆる中蓋とし、これの上に外蓋を組み合わせること
もできる。Thereafter, liquid is injected from the exhaust port 11, the initial charge is performed according to a well-known procedure, and the valve 9 is mounted to obtain a sealed lead-acid battery. In addition, the lid 5 used in the present embodiment may be a so-called middle lid, and an outer lid may be combined on this.
【００１８】[0018]
【発明の効果】本発明は、顆粒充填口を２重に封口する
ことにより、蓄電池に充填した顆粒に影響を及ぼすこと
なく、確実に顆粒充填口を塞ぐことを可能にしたもので
ある。従って、従来のこの種蓄電池にあった顆粒充填口
の封口気密性不十分という問題が解決されると共に、顆
粒充填口の清掃作業が容易に行える。本発明によれば、
品質が安定し、しかも量産性にすぐれた密閉形鉛蓄電池
を提供することができるので、その工業的価値は大き
い。According to the present invention, the granule filling port can be reliably closed without affecting the granules filled in the storage battery by double sealing the granule filling port. Therefore, the problem of insufficient sealing airtightness of the granule filling port in the conventional storage battery of this type can be solved, and the granule filling port can be easily cleaned. According to the present invention,
Since a sealed lead-acid battery having stable quality and excellent mass productivity can be provided, its industrial value is great.
【図１】本発明の１実施例にかかる密閉形鉛蓄電池の要
所断面図である。FIG. 1 is a cross-sectional view of an essential part of a sealed lead-acid battery according to one embodiment of the present invention.
【図２】本発明に用いる蓋の１例を示す要所断面図であ
る。FIG. 2 is a cross-sectional view of an essential part showing an example of a lid used in the present invention.
【図３】封口例を示す図である。FIG. 3 is a diagram showing a sealing example.
【図４】封口例を示す図である。FIG. 4 is a diagram showing a sealing example.
【図５】封口例を示す図である。FIG. 5 is a diagram showing a sealing example.
【図６】従来のこの種蓄電池の例を示す図である。FIG. 6 is a diagram showing an example of this type of conventional storage battery.
１ 電槽 ２ 極板群 ３ 顆粒 ５ 蓋 ６ 第二の封口部 ７ 第一の封口部 １０ 顆粒充填口 １１ 排気口 １２ 蓄電池内部 DESCRIPTION OF SYMBOLS 1 Battery case 2 Electrode group 3 Granule 5 Lid 6 Second sealing part 7 First sealing part 10 Granule filling port 11 Exhaust port 12 Inside of storage battery
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 10/12 H01M 2/36 101 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) H01M 10/12 H01M 2/36 101
Claims (2)
された極板群（２）を備え、充放電に必要な電解液を顆
粒（３）に保持させた密閉形鉛蓄電池において、 顆粒充填口（１０）が２重に封口されていることを特徴
とする密閉形鉛蓄電池。1. A sealed lead-acid battery comprising a granule filling port (10) and an electrode group (2) embedded in a granule (3), wherein an electrolyte required for charging and discharging is held in the granule (3). A sealed lead-acid battery, characterized in that the granule filling port (10) is double-sealed.
を備えた蓋（５）と極板群（２）を備えた電槽（１）と
を一体に接合する第一の工程と、 顆粒充填口（１０）より蓄電池内部（１２）に顆粒
（３）を充填する第二の工程と、 顆粒充填口（１０）に第一の封口部（７）を形成する第
三の工程と、 顆粒充填口（１０）部を清掃する第四の工程と、 顆粒充填口（１０）に第二の封口部（６）を形成するこ
とにより、顆粒充填口（１０）を２重に封口する第５の
工程とを備え、 第一〜五の工程の順に行うことを特徴とする請求項１記
載の密閉形鉛蓄電池の製造方法。2. A first step of integrally joining a lid (5) provided with a granule filling port (10) and an exhaust port (11) and a battery case (1) provided with an electrode plate group (2). A second step of filling the inside of the storage battery (12) with the granules (3) from the granule filling port (10); and a third step of forming a first sealing portion (7) in the granule filling port (10). A fourth step of cleaning the granule filling port (10); and forming the second sealing section (6) on the granule filling port (10) to double-block the granule filling port (10). The method according to claim 1, further comprising a fifth step of performing the first to fifth steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18630492A JP3266938B2 (en) | 1992-06-19 | 1992-06-19 | Sealed lead-acid battery and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18630492A JP3266938B2 (en) | 1992-06-19 | 1992-06-19 | Sealed lead-acid battery and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH065307A JPH065307A (en) | 1994-01-14 |
| JP3266938B2 true JP3266938B2 (en) | 2002-03-18 |
Family
ID=16185986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18630492A Expired - Fee Related JP3266938B2 (en) | 1992-06-19 | 1992-06-19 | Sealed lead-acid battery and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3266938B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102209470B (en) * | 2008-11-11 | 2013-03-13 | 荷兰联合利华有限公司 | Tea composition |
-
1992
- 1992-06-19 JP JP18630492A patent/JP3266938B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102209470B (en) * | 2008-11-11 | 2013-03-13 | 荷兰联合利华有限公司 | Tea composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065307A (en) | 1994-01-14 |
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