JPS6231785B2 - - Google Patents

Info

Publication number
JPS6231785B2
JPS6231785B2 JP55180676A JP18067680A JPS6231785B2 JP S6231785 B2 JPS6231785 B2 JP S6231785B2 JP 55180676 A JP55180676 A JP 55180676A JP 18067680 A JP18067680 A JP 18067680A JP S6231785 B2 JPS6231785 B2 JP S6231785B2
Authority
JP
Japan
Prior art keywords
welding
separator
ribs
electrode plate
right ends
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
Application number
JP55180676A
Other languages
English (en)
Other versions
JPS57103262A (en
Inventor
Sadao Furuya
Kenji Kobayashi
Hiroshi Yasuda
Hideo Yoshinaga
Nobuyuki Aoki
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 JP55180676A priority Critical patent/JPS57103262A/ja
Publication of JPS57103262A publication Critical patent/JPS57103262A/ja
Publication of JPS6231785B2 publication Critical patent/JPS6231785B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/463Separators, membranes or diaphragms characterised by their shape
    • H01M50/466U-shaped, bag-shaped or folded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312Single flange to flange joints, the parts to be joined being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/541Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles a substantially flat extra element being placed between and clamped by the joined hollow-preforms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832Reciprocating joining or pressing tools
    • B29C66/8322Joining or pressing tools reciprocating along one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/302Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Cell Separators (AREA)

Description

【発明の詳細な説明】
本発明は鉛蓄電池用セパレータの改良に関する
ものである。 微孔性と熱可塑性を有した合成樹脂フイルム又
は織布を袋状に加工して極板を包み込むセパレー
タの製造方法において、一般に袋状に加工する方
法としては高周波溶着または超音波溶着が用いら
れている。しかし、実用に十分耐え得る溶着強度
を保持するには、溶着巾を4mm以上にする必要が
ある。しかし一方では、電池をコンパクトに設計
する上では、溶着巾を小さくする必要があり、又
溶着巾が広い場合は、この部分に加える高周波又
は超音波のエネルギーを大きくする必要があり、
設備費が高くなるとともに、溶着時の消費電力も
大きくなる。 本発明は、セパレータの溶着巾を狭くし、極板
群をコンパクトに設計して電池性能を低下させず
に設備費,電力消費コストの低減を図ることを目
的としたものである。 袋状セパレータは、近年エキスパンド加工され
た格子体を用いた極板に多く使用されるようにな
つてきた。すなわち、極板を袋状に包み込み、充
放電,振動等により正極板から脱落する活物質が
負極板と短絡するのを防止するためである。 このセパレータは袋状にするため材質は柔軟性
をもち、かつイオンの透過が可能な微孔性を有し
た溶着可能な熱可塑性樹脂、例えばポリエチレ
ン、ポリプロピレンの微孔性フイルムやこれらの
織布を用いるのが通常である。その形状は第1図
A,Bに示すように1の平担フイルム上に極板幅
に見あつて適当間隔をおき、スペーサ兼用リブ2
を設けている。このセパレータシート3をl―
l′の線に沿つて2つに折り曲げ、第3図のように
左右の平担な端部を溶着する。溶着には熱溶着,
高周波溶着,超音波溶着などが代表的である。 このようにして作られる袋状セパレータは、平
担な面同志で溶着するため、溶着しろを充分とつ
ておかないと、溶着強度を十分保てないためセパ
レータの巾を広くとる必要があり、溶着しろがせ
まいと、溶着部と非溶着部の境が弱くなる傾向が
ある。セパレータの溶着しろを広めた場合、限ら
れた電池ケースの中に挿入すると電池側面にセパ
レータが当り、外観上悪くなる。このため、セパ
レータが電池ケースの側面に当らないようにする
ため極板寸法(巾)を小さくする必要が生じた
り、溶着しろがせまい袋状セパレータを使用する
と、電池性能を低下させることがあつた。 本発明は、左右の両端に溶着用リブを形成する
ことで実質的に溶着しろをせまくして十分な強度
を有した袋状セパレータを提供するものである。 次に、本発明の実施例を説明する。第2図に示
す如くセパレータの平担フイルム1の左右両端溶
着部4に背が低くリブ間ピツチも2のそれより短
かい溶着用リブ5を設ける。例えば、平担フイル
ム1の厚みが0.2mm、リブ2の高さが0.8mm、リブ
間ピツチ15mmのセパレータに溶着用リブ5を高さ
0.2mm、リブ間ピツチ1mmで4条平行に設けた。
これを2つに折り曲げて第4図のように極板Pを
包み込みリブ部を溶着する。なお、溶着しろは3
mmとした。 この本発明の方法によれば、袋状への溶着は溶
着用リブ5の先端と、これに対向した平担フイル
ムとの間で行なわれる。そのため溶着の超音波エ
ネルギーはリブ先端のせまい場所に集中され、リ
ブの先端は完全に溶けて平担フイルムにくい込む
ことができるため完全に溶着され、次表に示した
通りセパレータとしての信頼性を高めた。
【表】
【表】 なお条件は溶着機出力800W,ウエルド時間0.4
秒,加圧力5気圧,溶着巾3mmとした。 このように、セパレータ両端の溶着しろの巾は
従来最低4mm必要であつたが、本発明では最低2
mmまでせまくすることが可能となり、トータル的
に4mm巾方向にゆとりが生じ、その分だけ極板面
積を減らすことなく、極板巾を包み込んで性能劣
化を防止することができた。また従来は溶着しろ
が広く、しかも平担面で溶着が行われるため、例
えば超音波溶着では、1000Wクラスの機械を使用
する必要があつたが、本発明ではリブにより溶着
エネルギーを集中できる結果350〜600Wクラスの
機械で同等にまかなえるようになり、設備費,使
用電力量共に少なくなり、袋状セパレータの製造
コストの低減に大きく寄与する。なお、セパレー
タの左右両端の溶着は熱溶着法でも同じ効果が期
待できるが、セパレータ表面のたゞれや加熱治具
とセパレータフイルムの付着等が生じ易いことか
ら超音波溶着が好ましい。また溶着用リブどうし
を突き合わせて溶着すればより一層迅速な溶着が
行える。
【図面の簡単な説明】
第1図は従来の袋状セパレータのためのフイル
ムシートを示し、Aは2つ折りする以前の図、同
Bはその側面図、第2図Aは本発明の袋状セパレ
ータのためのフイルムシートを示す図、同Bはそ
の側面図、第3図はセパレータの左右両端の溶着
処理を示す図、第4図は本発明の一実施例におけ
るセパレータ両端の溶着処理を示す図である。 1……平担フイルム、2……スペーサ兼用リ
ブ、3……セパレータシート、4……両端溶着
部、5……溶着用リブ。

Claims (1)

  1. 【特許請求の範囲】 1 微孔性と熱可塑性を有した合成樹脂フイルム
    の片面に極板の縦方向に沿つたスペーサ兼用のリ
    ブを設けて極板を包むに足る大きさに2つ折りす
    るとともに、少なくとも一方の内面の左右の両端
    に前記リブよりも高さが低くかつリブ間ピツチの
    短かい溶着用リブを複数条平行に設け、この溶着
    用リブ部に超音波振動を加えて溶着し、袋状セパ
    レータを形成することを特徴とする鉛蓄電池用セ
    パレータの製造法。 2 前記2つ折りしたセパレータの内面の左右両
    端には相互に位置ずれした状態で溶着用リブを設
    けてなる特許請求の範囲第1項記載の鉛蓄電池用
    セパレータの製造法。 3 前記2つ折りしたセパレータの内面の左右両
    端には相互に先端が突き合わされる溶着用リブを
    設けてなる特許請求の範囲第1項記載の鉛蓄電池
    用セパレータの製造法。
JP55180676A 1980-12-19 1980-12-19 Separator for lead storage battery and its manufacturing method Granted JPS57103262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55180676A JPS57103262A (en) 1980-12-19 1980-12-19 Separator for lead storage battery and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55180676A JPS57103262A (en) 1980-12-19 1980-12-19 Separator for lead storage battery and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS57103262A JPS57103262A (en) 1982-06-26
JPS6231785B2 true JPS6231785B2 (ja) 1987-07-10

Family

ID=16087351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55180676A Granted JPS57103262A (en) 1980-12-19 1980-12-19 Separator for lead storage battery and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS57103262A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622492C2 (de) * 1986-07-02 1996-07-18 Hagen Batterie Ag Bleiakkumulator, dessen positive Elektrodenplatten in nach oben offene Separatortaschen eingetascht sind
JPH0630502Y2 (ja) * 1987-05-23 1994-08-17 イズミ工業株式会社 自動車用サイドバイザー
JP2965158B2 (ja) * 1988-08-22 1999-10-18 松下電器産業株式会社 鉛蓄電池
GB2352556A (en) * 1999-07-23 2001-01-31 Oldham Crompton Batteries Ltd Separator
ITTO20030092U1 (it) * 2003-05-30 2004-11-30 Exide Italia S R L Separatore a busta per piastre di elettrodi di accumulatori di tipo pe rfezionato.
JP2014172620A (ja) * 2013-03-07 2014-09-22 Toppan Printing Co Ltd 無菌充填用口栓

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087464A (ja) * 1973-12-06 1975-07-14
JPS51125836A (en) * 1975-03-31 1976-11-02 Gould Inc Battery and method of producing same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087464A (ja) * 1973-12-06 1975-07-14
JPS51125836A (en) * 1975-03-31 1976-11-02 Gould Inc Battery and method of producing same

Also Published As

Publication number Publication date
JPS57103262A (en) 1982-06-26

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