JPS59189557A - Sealed battery - Google Patents

Sealed battery

Info

Publication number
JPS59189557A
JPS59189557A JP59001561A JP156184A JPS59189557A JP S59189557 A JPS59189557 A JP S59189557A JP 59001561 A JP59001561 A JP 59001561A JP 156184 A JP156184 A JP 156184A JP S59189557 A JPS59189557 A JP S59189557A
Authority
JP
Japan
Prior art keywords
insulating washer
diameter
battery
washer
reverse
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.)
Pending
Application number
JP59001561A
Other languages
Japanese (ja)
Inventor
Osamu Yoshida
修 吉田
Mikihiro Azumaguchi
東口 実喜博
Zenichiro Ito
伊藤 善一郎
Hajime Ueda
一 上田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59001561A priority Critical patent/JPS59189557A/en
Publication of JPS59189557A publication Critical patent/JPS59189557A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • H01M50/166Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/171Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/317Re-sealable arrangements
    • H01M50/325Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

PURPOSE:To prevent any floating of an insulating washer by using a reverse- tapered cap for an assembly terminal plate fitted with a safety valve and connecting and fixing into the reverse-tapered shape the insulating washer held between a sealing area and an exterior resin tube. CONSTITUTION:After the periphery of an assembly terminal plate 15 fitted with an explosion-proof safety valve 12 is placed near the opening of a battery case 6 with a gasket 11 interposed, the end of the opening of the case 6 is inwardly curled to form a sealing area 7. After that, an insulating washer 1 is installed on the sealing area 7 before the washer 1 is held under a thermocontractile exterior resin tube 8, thereby constituting a sealed battery. Here, a cap 2 for the assembly terminal plate 15 has a reverse-tapered shape 5a the top diameter 3 of which is larger than its bottom diameter 4 so that the insulating washer 1 is connected and fixed into the reverse-tapered shape 5a. As a result, any floating and positional shift of the insulating washer 1 during the manufacturing process can be prevented, thereby enabling the reliability of the battery to be increased.

Description

【発明の詳細な説明】 )産業上の利用分野 本発明は、密閉形電池における電池ケースの上r?l(
J:=10都と組立端子板のキャップ部との間に配置し
た絶縁ワッシャの係止構造の改良に関するものである。
DETAILED DESCRIPTION OF THE INVENTION) Industrial Field of Application The present invention is directed to the upper part of a battery case in a sealed battery. l(
J:=10 The present invention relates to an improvement in the locking structure of an insulating washer placed between the terminal block and the cap portion of the assembled terminal board.

従来例の構成とその問題点 従来、第4図に示すような密閉形電池の絶縁ワッシャ1
は、正極の端子となる組立端子板のキャンプ部2と負極
の端子となる電池ケース6の上部月口部7との間に1賎
置されており、その外周縁部は電池ケースの上部1ニ−
j口部7と、ケースの外側を覆う熱収縮性の外装樹脂チ
ューブ8とで挾持されていたつこの絶縁ワッシャ1は正
Structure of conventional example and its problems Conventionally, an insulating washer 1 for a sealed battery as shown in FIG.
is placed between the camp part 2 of the assembled terminal board, which serves as the positive terminal, and the upper mouth part 7 of the battery case 6, which serves as the negative terminal, and its outer peripheral edge is connected to the upper part 1 of the battery case. knee
The insulating washer 1, which was held between the opening 7 and the heat-shrinkable exterior resin tube 8 that covers the outside of the case, is in the correct position.

負極端子の外部要因による接触短絡、あるいは′1匿池
内gISから漏出した電N液を溌くことにより正、負極
間の液短絡防11−などを目的として用いられており、
従って絶縁ワッシャの材質としては軟質ポリ塩化ビニー
ル、パラフィン等を含浸させた撥水紙などが一般的に)
J4いら八でいる、従来のキャップ部2の形状は、第5
図a、bに示すようにその頭部直径3は基部直径4より
も小さく設定されてい/ζため先細りの順テーパ5が形
成されており、第3図に示す絶縁ワッシャ1ばこのテー
パ部5に嵌入されるため、?J、 71Jl製造工40
1中において振動やその曲の原因により絶縁ワッシャが
キャンプより容易に脱落したり外装チューブの熱収縮時
にギャップ部2のデーパ部5に当接する絶縁ワッシャ1
の中火透孔1aを持ち」二げる現象がみられ、絶縁ワッ
シャの浮上りによる位置ずれなどを発生する要因となっ
ていた。′9.第6図a、bに示すように頭部「vT、
径3と基部11):径4をほぼ同径としデーパ部5を刊
除したキャップ部2も−)iψ的に用いられているが、
前記同様絶縁ワッシャのキャップ部からの脱落や位置ず
れを完全に防止するにばい/ヒつていない。又キャップ
gtK2と、’K /J2ケース6のJ二f4B J」
口部アとの間におけるギヤツブj:lS2の!1M子突
出高さ9が少い場合は、前記した絶縁ワノ7−/1の挿
入不良はなお一層贈長さね5る。
It is used for the purpose of preventing a contact short circuit caused by an external factor of the negative terminal, or a liquid short circuit between the positive and negative electrodes by leaking the N liquid leaked from the gIS in the storage pond.
Therefore, the materials for insulating washers are generally soft polyvinyl chloride, water-repellent paper impregnated with paraffin, etc.)
The shape of the conventional cap part 2, which is J4 Irahachi, is the fifth shape.
As shown in Figures a and b, the head diameter 3 is set smaller than the base diameter 4/ζ, so a tapered forward taper 5 is formed, and the tapered part 5 of the insulating washer 1 shown in Figure 3 Because it is inserted into? J, 71 Jl Manufacturing Worker 40
1, the insulating washer 1 easily falls off from the camp due to vibration or its bending, or the insulating washer 1 comes into contact with the tapered part 5 of the gap part 2 when the outer tube heat shrinks.
A phenomenon was observed in which the medium-heat through hole 1a was held up, which caused the insulating washer to float up and cause misalignment. '9. As shown in Figure 6a and b, the head “vT,
Diameter 3 and base 11): The cap part 2 in which the diameter 4 is approximately the same diameter and the tapered part 5 is separated is also used in the -)iψ manner,
Similar to the above, it is not possible to completely prevent the insulating washer from falling off from the cap portion or shifting its position. Also cap gtK2 and 'K/J2 case 6 J2 f4B J'
The gear between the mouth part A:lS2! If the protruding height 9 of the 1M child is small, the above-mentioned insertion failure of the insulating tube 7-/1 will be even more pronounced.

なお、第4図において、1Qはキャンプ部の周縁をかし
め固着する封LJ板、11は絶縁ガスケツ1−112は
キャップ部に内蔵され/ξ防爆用安全IP、13は電池
ケース6に内蔵された発電閥素である。
In addition, in Fig. 4, 1Q is a sealing LJ plate that caulks and fixes the periphery of the camp part, 11 is an insulating gasket 1-112 is built in the cap part/ξ explosion-proof safety IP, and 13 is built in the battery case 6. It is a power generation element.

発明の目的 本発明は、このようなこれまでの絶縁ワッシャの保止構
造のグく点を解決した密閉形電池を提供することを目的
とするものである。
OBJECTS OF THE INVENTION It is an object of the present invention to provide a sealed battery that solves the drawbacks of the conventional insulating washer retaining structure.

発明の構成 本発明は、組立端子板に設けたキャンプ部の頭部面°径
を基部直径よりも大きくして逆テーパ状に形成すること
により、柔軟性を有した絶縁ワッシャを逆テーパ状のキ
ャンプ部に偉人係止さぜたことを特徴とするつこうする
ことにより製造工程中で発生する絶縁ワッシャのキャン
プ)耶からの脱落や位置ずれなどによる工4:H,y不
Rを防止するものである。
Structure of the Invention The present invention provides a flexible insulating washer with an inverted tapered shape by making the diameter of the head surface of the camp part provided on the assembled terminal board larger than the diameter of the base part and forming it into an inverted tapered shape. This method is characterized by having a great figure attached to the camp part. This prevents the insulating washer from falling off or misaligning during the manufacturing process. It is something.

実施例の説明 以下、本発明を実施例により詳述する。Description of examples Hereinafter, the present invention will be explained in detail with reference to Examples.

第1図は本発明の密閉形電池の一例としてニッケル、カ
ドミウム蓄電池の要部縦断面図を示すっ図中発電要素1
3としては正極にニッケル極板、負極にカドミウム極板
を用い、両極板の間に不織布からなるセパレータを介し
て渦巻状にイ′14成すると共に、か性カリ水溶液から
なる電フロ!1液をこれに含液させた渦巻状電極君子が
内蔵されている。電池ケース6の開口部近傍には環状段
部14をケース6の内方に缶出するように形成すると共
にこの環状段部の上側には絶縁ガスケツ1−11を介し
て組立端子板15が載置され、前記ケース6の開口妬晶
部を内刃に411’i曲することで、上部1i 1−J
 都7は気密に刺止されている。
FIG. 1 shows a vertical cross-sectional view of the main parts of a nickel-cadmium storage battery as an example of the sealed battery of the present invention. In the figure, power generation element 1
3, a nickel electrode plate is used as the positive electrode, a cadmium electrode plate is used as the negative electrode, and a separator made of nonwoven fabric is interposed between the two electrode plates to form a spiral shape. It has a built-in spiral electrode that contains one liquid. An annular step 14 is formed in the vicinity of the opening of the battery case 6 so as to project inward of the case 6, and an assembly terminal plate 15 is mounted above the annular step through an insulating gasket 1-11. By bending the opening crystal part of the case 6 into the inner blade 411'i, the upper part 1i 1-J
Capital 7 is sealed airtight.

前記組立端子板15は中火にガス排気孔16を設はノこ
川口&10の周縁によりキャップ部2の周縁をかしめ固
着しているっ本発明の牛’j rB、とするキャップ部
2は、第2図a、bで図示したように頭部直径3に対し
て基部直径4をo−1mm小さくし、この「1〔径差に
よりキャップ部周面に逆テーバ5aを形成している。
The assembled terminal plate 15 has a gas exhaust hole 16 for medium heat, and the periphery of the cap part 2 is caulked and fixed by the periphery of the saw. As shown in FIGS. 2a and 2b, the base diameter 4 is made smaller by o-1 mm than the head diameter 3, and this diameter difference forms an inverted taper 5a on the circumferential surface of the cap part.

なおギャップ部2の周縁にはガス排気孔1γが設けられ
ていて月日板10とキャップ部2とにより形成されたり
c室18内にはゴム製の防爆用安全)「12が内蔵され
ているっ 絶縁ワッシャ1は紙にパラフィンを含浸した撥水厭を円
板状に打抜いたもので、送度な柔軟1生をもち、第3図
に示すよう((キャンプ部2の逆テーパ部5aに押し拡
げき゛みに嵌入してf系十さぜるための透孔1aか中央
に設けられている。
A gas exhaust hole 1γ is provided at the periphery of the gap portion 2, which is formed by the date plate 10 and the cap portion 2, and a rubber explosion-proof safety hole 12 is built into the c chamber 18. The insulating washer 1 is made by punching a water-repellent sheet of paper impregnated with paraffin into a disk shape, and has a high degree of flexibility.As shown in FIG. A through hole 1a is provided in the center for inserting into the widening hole and stirring the f system.

この絶縁ワッシャ1の外周縁部は上部小IO部γ上に載
置さ2″1.、熱収縮性の外装樹脂チューブ8の上輻;
部との間で挾持されているっ絶縁ワッシャ中央に設け/
こ透孔12Lは、キャップ部2の頭部直径3よりは小さ
く、かつ基部直径4よりも大きくすることにょシ、キャ
ップ部2に嵌入された絶縁ソノンヤは透孔1aよりも大
きな直f子を有する頭部直径3により、製造工程中に′
、1子けるキャップ部からの脱落や、外装チューブの熱
収縮間に起因した絶縁ワノンヤの/′7上りによる位置
ずれが発生ぜず、キャップ部2の逆テーパ部5aに確実
に係11−される。
The outer peripheral edge of this insulating washer 1 is placed on the upper small IO part γ 2''1., and the upper edge of the heat-shrinkable exterior resin tube 8;
Provided in the center of the insulating washer that is sandwiched between the
The through hole 12L is made smaller than the head diameter 3 of the cap part 2 and larger than the base diameter 4, and the insulating solenoid fitted into the cap part 2 has a diameter larger than the through hole 1a. With a head diameter of 3, it is possible to
11- is securely engaged with the reverse tapered portion 5a of the cap portion 2, without any falling off from the cap portion, or with positional deviation caused by the rising of the insulation wire during heat shrinkage of the outer tube. Ru.

又、キャップ部2の頭部直径3と基部直径4、とにより
形成される逆テーパMIS 6 a (d、各抽検削の
結果、頭部および基部の直径差を○−1mmとするのが
望企しいが、0・05〜0.5騎の範囲であれは支障が
ないことを確認している。なお直径差を0.061m以
下にすると、逆テーパ5aの1曵斜が緩くなり絶縁ワノ
ンヤ1の法止効果がなくなる。
In addition, the reverse taper MIS 6 a (d) formed by the head diameter 3 and the base diameter 4 of the cap part 2 (d) As a result of each drawing, it is Although it is desirable, we have confirmed that there is no problem in the range of 0.05 to 0.5 mm.If the diameter difference is 0.061 m or less, the inclination of the reverse taper 5a becomes loose and the insulation Wanongya 1's legal effect disappears.

又逆に直径差を0.6騎以上にすると頭部直径3及び基
部直径4に連続した屈曲部19の角度が小さくなりキャ
ップ部の成型加工時に屈曲部19にヒビや蔀]れのj児
象をきたしたり、ノ庄曲部の形状に不均一を生じ、成型
加工及び外観上に間1趙があり、その11適用すること
ばてきない。
On the other hand, if the diameter difference is 0.6 mm or more, the angle of the bent portion 19 continuous with the head diameter 3 and the base diameter 4 will become smaller, and the bent portion 19 may have cracks or bulges during the molding process of the cap portion. This may cause irregularities in the shape of the curved portion, and there may be problems in the molding process and appearance, and the words 11 cannot be applied.

本発明によるキャンプ部と、従来のキャンプ部を備えた
組立端子板を用いて密閉形ニッケルカドミウム蓄電池を
各1000個製造して熱収縮性外装樹脂チューブで被覆
する工程までの絶縁ワッシャの脱落ならびに浮上りによ
る位置ずれ不良を比較すると、次表のような結果となっ
たっなお従来例1は第5図に示すような頭131(l+
ニーl径が基部直径よりも小さいキャップ部を用いたも
のであり、従来例2は第6図に示すような頭jΔ15直
径とJII−都直径とがほぼ等しいキャップ部を用いた
ものである。
Dropping and floating of insulating washers during the process of manufacturing 1,000 sealed nickel-cadmium storage batteries each using the camp part according to the present invention and an assembled terminal board with a conventional camp part, and covering them with a heat-shrinkable exterior resin tube. Comparing the positional deviation defects caused by
This uses a cap portion in which the knee l diameter is smaller than the base diameter, and the conventional example 2 uses a cap portion in which the head jΔ15 diameter and the JII-total diameter are approximately equal as shown in FIG.

発明の効果 この表の結果からもわかるように本発明によるキャンプ
部を用いた密閉形ニッケル・カドミウム蓄電池における
絶縁ワッシャの嵌入(糸止不良の防1ト効果は極めて1
:犬きいっ 又、キャップ部の基部直径が頭部直径よりも小さいため
防爆用安全〕「をキャップ部内に収納し/こ後において
キャップ部基部が防爆用安全力゛の係11−都を兼ねて
製造中における防爆用安全力゛のキャップ外部への飛ひ
出しや位置ずれを防11する効果もあるっ さらに本発明では前記実施例では密閉形ニッケル カド
ミウム蓄電池について詳述したが、電池要素の異なる他
の密閉形電池においても通用可能なものであるっ
Effects of the Invention As can be seen from the results in this table, the effectiveness of the insertion of the insulating washer in the sealed nickel-cadmium storage battery using the camping part according to the present invention (the prevention of thread fixation defects) is extremely effective.
:In addition, since the diameter of the base of the cap part is smaller than the diameter of the head, the explosion-proof safety element is stored in the cap part.After this, the base of the cap part also serves as the explosion-proof safety part This also has the effect of preventing the explosion-proof safety force from protruding to the outside of the cap or shifting its position during manufacturing.Furthermore, in the present invention, the sealed nickel-cadmium storage battery was described in detail in the above embodiment, but the battery element It can also be used with other sealed batteries.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の実施例における密閉形ニッケル・カド
ミウム蓄電池の要部縦断面図、第2図(a)は本発明に
おけるキャップ部の断面図、同図(b)はその斜視図、
第3図は絶縁ワッシャの斜視図、第4図は従来の密閉形
ニッケル・カドミウム蓄電池の要部縦断ケ1j図、第5
図及び第6図の各(&) 、 (b>は従来のキャンプ
部の断面図及び斜i兄図を示すっ 1・  絶縁ワッシャ、1a ・・)A孔、2・キャッ
プ部、3 ・・頭部直径、4−・占(都的径、5a・・
・・−逆テーパ部、6・−電池ケース、7・十M6月ロ
部、8・・・・外装樹脂チューブ、12・・・防爆用安
全力゛、15 ・ 組立端子板、19・−JQj 曲H
as 0 代理人の氏名 グ1理士 中 尾 敏 男 ほか1名つ
−27: 第2図 ”’         <b) 第 3rA 敲 第4図 第5図 1      (bl (α](b]
FIG. 1 is a longitudinal cross-sectional view of a main part of a sealed nickel-cadmium storage battery according to an embodiment of the present invention, FIG. 2 (a) is a cross-sectional view of a cap portion according to the present invention, and FIG.
Figure 3 is a perspective view of the insulating washer, Figure 4 is a vertical cross-sectional view of the main part of a conventional sealed nickel-cadmium storage battery, and Figure 5 is a perspective view of the insulating washer.
Each (&) in Figures and Figure 6 shows a cross-sectional view and an oblique view of the conventional camp part. Head diameter, 4-. (diameter of capital, 5a...
...-Reverse taper section, 6.-Battery case, 7.10M June bottom section, 8..Exterior resin tube, 12.. Explosion-proof safety force, 15. Assembling terminal board, 19.-JQj Song H
as 0 Agent's name G1 Physician Toshio Nakao and 1 other person -27: Figure 2"'<b) Figure 3rA Figure 4 Figure 5 1 (bl (α) (b)

Claims (2)

【特許請求の範囲】[Claims] (1)安全ノ「を内蔵して組立端子板に設けられた頭部
直径がノJ(部11′j径よりも大径な逆テーパ状のキ
ャップ部に、柔軟性を有した絶縁ワッシャを嵌入保止さ
せ、このワッシャの外周縁部を、電池ケースの上部封口
部とこの電油ケース外側を覆う外装樹脂チューブ上端部
との間で挾持してなる密閉形電池っ
(1) A flexible insulating washer is attached to the inverted tapered cap part with a built-in safety part and a head diameter larger than the part 11'j diameter provided on the assembled terminal board. A sealed battery is formed by inserting and retaining the washer and sandwiching the outer peripheral edge of the washer between the upper sealing part of the battery case and the upper end of the exterior resin tube that covers the outside of the electric oil case.
(2)前記逆テーパ状キャップ部が、その頭部直径をノ
I(部直径よりも0.05〜0.5 furの範囲で大
径としてなる特許請求の範囲第1項記・銭の密閉形電池
(2) The inversely tapered cap part has a head diameter larger than the diameter of the part by 0.05 to 0.5 fur. shaped battery.
JP59001561A 1984-01-09 1984-01-09 Sealed battery Pending JPS59189557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59001561A JPS59189557A (en) 1984-01-09 1984-01-09 Sealed battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59001561A JPS59189557A (en) 1984-01-09 1984-01-09 Sealed battery

Publications (1)

Publication Number Publication Date
JPS59189557A true JPS59189557A (en) 1984-10-27

Family

ID=11504934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59001561A Pending JPS59189557A (en) 1984-01-09 1984-01-09 Sealed battery

Country Status (1)

Country Link
JP (1) JPS59189557A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309101A2 (en) * 1987-08-28 1989-03-29 Matsushita Electric Industrial Co., Ltd. Cylindrical alkaline batteries
EP1184915A1 (en) * 2000-02-28 2002-03-06 Matsushita Electric Industrial Co., Ltd. Sealing plate, cell using the sealing plate, and method of manufacturing the cell

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309101A2 (en) * 1987-08-28 1989-03-29 Matsushita Electric Industrial Co., Ltd. Cylindrical alkaline batteries
EP0466213A2 (en) * 1987-08-28 1992-01-15 Matsushita Electric Industrial Co., Ltd. Cylindrical alkaline batteries
EP1184915A1 (en) * 2000-02-28 2002-03-06 Matsushita Electric Industrial Co., Ltd. Sealing plate, cell using the sealing plate, and method of manufacturing the cell
EP1184915A4 (en) * 2000-02-28 2007-03-21 Matsushita Electric Ind Co Ltd Sealing plate, cell using the sealing plate, and method of manufacturing the cell
US7858217B1 (en) 2000-02-28 2010-12-28 Panasonic Corporation Top sealing plate, battery using the top sealing plate, and method of manufacturing the battery

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