JPH0736360U - Storage battery bag separator and storage battery - Google Patents
Storage battery bag separator and storage batteryInfo
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- JPH0736360U JPH0736360U JP072134U JP7213493U JPH0736360U JP H0736360 U JPH0736360 U JP H0736360U JP 072134 U JP072134 U JP 072134U JP 7213493 U JP7213493 U JP 7213493U JP H0736360 U JPH0736360 U JP H0736360U
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- Prior art keywords
- shaped
- bag
- separator
- sheet
- tape
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Classifications
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- 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
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Abstract
(57)【要約】 （修正有）
【目的】 内部に収容する陽極板の両側縁による損傷や
酸化劣化を防止し使用寿命を延長した蓄電池用袋状セパ
レータを提供する。
【構成】 ２つ折りしたＵ字状の合成樹脂セパレータ１
の前後の対向シート面１ａ，１ｂ間に、その両側縁１
ｃ，１ｃ及び１ｄ，１ｄに沿い２つ折りのテープ状シー
ト２，３を介入させて、その対向する前後のテープ状シ
ート２，３の外側縁２ａ，２ａ，３ａ，３ａと共にその
セパレータシート１の両側縁をシール結着４，４すると
共に、形成される極板を収容するための副路上空間５内
に、両側の前後のテープ状シートの内側縁部２ｂ，２
ｂ，３ｂ，３ｂを突出せしめて成る。
(57) [Summary] (Modified) [Purpose] To provide a bag-shaped separator for a storage battery, which is prevented from damage and oxidative deterioration due to both side edges of the anode plate housed therein and has a long service life. [Structure] U-shaped synthetic resin separator 1 folded in two
Between the opposite seat surfaces 1a and 1b before and after the side edge 1
c, 1c and 1d, 1d are intervened by the two-fold tape-shaped sheets 2 and 3, and the separator sheets 1 together with the outer edges 2a, 2a, 3a and 3a of the front and rear tape-shaped sheets 2 and 3 facing each other. The inner edges 2b, 2 of the front and rear tape-like sheets on both sides are sealed and bound to both side edges in the sub-road space 5 for accommodating the formed electrode plate.
It is formed by projecting b, 3b, 3b.
Description
【０００１】[0001]
本考案は、主として鉛蓄電池に適用される蓄電池用袋状セパレータに関する。 The present invention relates to a bag-shaped separator for a storage battery, which is mainly applied to a lead storage battery.
【０００２】[0002]
従来、鉛蓄電池用袋状セパレータは、ポリエチレンなどの合成樹脂とシリカ粉 末などの無機粉末との混合物を主成分を鉱物オイルで混練したもの、押出成形機 により押出しフィルム状に成形したものを有機溶剤により該鉱物オイルを全部又 はその大部分を除去し、加熱乾燥して製造した微多孔性フィルムから成る合成樹 脂製セパレータシートを材料とし、或いは合成繊維単独又はこれにシリカ粉末な どの無機粉末を混入して湿式で抄造して成る湿式不織布或いは乾式不織布の合成 樹脂製セパレータシートを材料とし、これを２つ折りし、その対向するシート面 の両側縁を互いにギヤシールにより機械的にシール結着し、或いは超音波などで 溶着によりシール結着せしめて袋状セパレータとしたものが知られている。 而して、このような上記従来の合成樹脂製の袋状セパレータは、その袋状空間 内に陽極板を収容し、その外側に陰極板を積層して所望枚数から成る極板群に組 み立て、電槽内に挿入され鉛蓄電池の製造に用いられる。 この場合、その袋状セパレータの内面に陽極板が直接接触して酸化劣化するこ とを防止するため、陽極板の前後面と対向する前後のシート面に多数の平行する 垂直リブを袋の幅方向に配設し、これにより、そのセパレータシートの基面に陽 極板面が接触しないようにして可及的に酸化劣化を防止する一方、陽極板から発 生する酸素は垂直上方に抜け易くしてこれによる袋状セパレータの酸化劣化を防 止して袋状セパレータの使用寿命を延長することが行われている。 また、該陽極板と該袋状セパレータとの間にガラス繊維から成るいわゆるガラ スマットを介在させ、該ガラスマットを該陽極板に圧着せしめることにより陽極 板中の活物質の脱落を防止する一方、陽極板から発生する発生期の酸素により袋 状セパレータが酸化劣化することを防止し、極板と袋状セパレータの使用寿命の 延長を図ることが行われている。 Conventionally, bag-shaped separators for lead-acid batteries are made by mixing a mixture of synthetic resin such as polyethylene and inorganic powder such as silica powder with mineral oil as the main component, or extruding a film formed by an extruder into an organic film. All or most of the mineral oil is removed with a solvent, and a synthetic resin separator sheet consisting of a microporous film produced by heating and drying is used as a material, or synthetic fiber alone or an inorganic material such as silica powder. A synthetic resin separator sheet made of wet non-woven fabric or dry non-woven fabric made by mixing powder with wet process is used as a material. This is folded in two and both edges of the opposing sheet surfaces are mechanically sealed together by a gear seal. It is also known that a bag-shaped separator is formed by sealingly binding by welding with ultrasonic waves or the like. Thus, the above-mentioned conventional bag-shaped separator made of synthetic resin contains an anode plate in the bag-shaped space, and a cathode plate is laminated on the outside thereof to form a desired number of electrode plates. It stands and is inserted into a battery case and used for manufacturing lead acid batteries. In this case, in order to prevent the anode plate from directly contacting the inner surface of the bag-shaped separator and oxidatively deteriorating, many parallel vertical ribs are formed on the front and rear seat surfaces facing the front and rear surfaces of the anode plate, and the width of the bag. The positive electrode plate surface is prevented from coming into contact with the base surface of the separator sheet to prevent oxidative deterioration as much as possible, while the oxygen generated from the anode plate easily escapes vertically upward. The oxidative deterioration of the bag-shaped separator due to this is prevented and the service life of the bag-shaped separator is extended. Further, a so-called glass mat made of glass fiber is interposed between the anode plate and the bag-shaped separator, and the glass mat is pressure-bonded to the anode plate to prevent the active material in the anode plate from falling off. It has been attempted to prevent the bag-shaped separator from being oxidized and deteriorated by nascent oxygen generated from the anode plate and to extend the service life of the electrode plate and the bag-shaped separator.
【０００３】[0003]
しかし乍ら、上記従来の合成樹脂製袋状セパレータは、陽極板を収容して使用 する場合、該陽極板の両側縁が該袋状セパレータのシールされた両側縁又はその 近傍に当接しているので、振動、衝撃を受けて亀裂や損傷を受け易く、また極板 の活物質との接触や発生する酸素により上記の個所は特に酸化劣化を受け易く、 結局、袋状セパレータの使用寿命が短くなり、これに従い、電池の短絡などの電 池寿命の短縮などの問題が不可避である欠点を有し、かゝる不都合を解消するこ とが望まれる。 However, in the conventional synthetic resin bag-shaped separator described above, when the anode plate is housed and used, both side edges of the anode plate are in contact with the sealed side edges of the bag-shaped separator or in the vicinity thereof. Therefore, it is susceptible to cracks and damage due to vibration and shock, and the above-mentioned parts are particularly susceptible to oxidative deterioration due to contact with the active material of the electrode plate and generated oxygen, which ultimately reduces the service life of the bag-shaped separator. Accordingly, there is a drawback that problems such as shortening of battery life such as short circuit of batteries are inevitable, and it is desired to eliminate such inconvenience.
【０００４】[0004]
本考案は、上記従来の課題を解決すると共に、上記の要望を満足した長寿命の 蓄電池用袋状セパレータを提供するもので、２つ折りしたＵ字状の合成樹脂製セ パレータシートの内側にその前後の対向シート面の両側縁に沿い夫々２つ折りし たテープ状シートを介入させ、該Ｕ字状セパレータシートの前後の対向シート面 の両側縁をその左右の各前後の対向テープ状シートの外側縁部を挟んで夫々シー ル結着し、その内側に形成される極板を収容するための袋状空間内にその左右の 各前後の対向テープ状シートの内側縁部を突出せしめて成る。 The present invention solves the above-mentioned conventional problems and provides a long-life bag-type separator for a storage battery that satisfies the above-mentioned demands. The bag-shaped separator is formed inside a U-shaped synthetic resin separator sheet that is folded in two. The U-shaped separator sheet is intervened by two tape-shaped sheets that are folded along both edges of the front and rear facing sheet surfaces, and the both sides of the front and rear facing sheet surfaces of the U-shaped separator sheet are placed outside the front and rear facing tape-shaped sheets. Sealing is performed with the edges sandwiched, and the inside edges of the front and rear facing tape-like sheets on the left and right sides are projected into a bag-shaped space for accommodating the electrode plates formed inside thereof.
【０００５】[0005]
本考案の上記の袋状セパレータの両側縁は夫々前後の対向テープ状シートを挟 んでこれと一体にシール結着しているので、その個所の機械的強度が増大する。 また、該袋状セパレータの袋状空間内に陽極板を収容するときは、その袋状空 間内に突出する前後の対向テープ状シートの内側縁部間にその陽極板の両側縁が 挿入されるので、その袋状セパレータの前後対向シート面の夫々の両側縁部と該 陽極板の両側縁との間にこれら前後のテープ状シートの両側縁部が介在するので 、該陽極板の両側縁が袋状セパレータの対向シート面の両側縁に当接することに よる従来見られたその個所の機械的劣化及び酸化劣化が防止できる。 この場合、左右の各前後のテープ状シートの内側縁部を袋状セパレータの前後 の対向シート面の内面に貼着しておくときは、その２又の前後内側縁部の間にＶ 字状凹溝スペースが確保されるので、極板の両側縁の挿入が容易にできる。 また、テープ状シートは無孔シートであるときは、機械的強度が増大し、微多 孔シートであるときは、電解液の透過、発生ガスの放出が向上し、袋状セパレー タり作用を兼ねる。 Since both side edges of the bag-like separator of the present invention sandwich the front and rear facing tape-shaped sheets respectively and are integrally sealed and bonded, the mechanical strength of the portion is increased. When accommodating the anode plate in the bag-shaped space of the bag-shaped separator, both side edges of the anode plate are inserted between the inner edges of the front and rear facing tape-shaped sheets protruding into the bag-shaped space. Therefore, since the both side edges of the front and rear tape-shaped sheets are interposed between the both side edges of the front and rear facing sheet surfaces of the bag-shaped separator and the both side edges of the anode plate, both side edges of the anode plate are formed. It is possible to prevent mechanical deterioration and oxidative deterioration at that portion, which have been conventionally observed, due to the contact between both side edges of the opposite sheet surface of the bag-shaped separator. In this case, when the inner edges of the front and rear tape-shaped sheets are attached to the inner surfaces of the front and rear facing sheet surfaces of the bag-shaped separator, a V-shaped gap is formed between the two front and rear inner edges. Since the groove space is secured, both side edges of the electrode plate can be easily inserted. Further, when the tape-shaped sheet is a non-perforated sheet, the mechanical strength is increased, and when the tape-shaped sheet is a micro-perforated sheet, the permeation of the electrolytic solution and the release of the generated gas are improved, and the bag-like separator function is improved. Also serve.
【０００６】[0006]
次に、本考案の実施例を添付図面に基づいて説明する。 図１において、Ａは本考案実施の１例の蓄電池、代表的には、鉛蓄電池の陽極 板を収容するための袋状セパレータを示す。図２はその展開図を示す。該袋状セ パレータＡは、２つ折りしたＵ字状の合成樹脂製セパレータシート１の内側に、 その前後の対向シート面１ａ，１ｂの夫々の両側縁に沿い２つ折りしたテープ状 シート２，３を介在させ、その該Ｕ字状セパレータシート１の前後の対向シート 面１ａ及び１ｂの夫々の両側縁１ｃ，１ｃ及び１ｄ，１ｄをその左右の各対向す る前後のテープ状シート２，３の夫々の対向する前後の外側縁部２ａ，２ａ及び ３ａ，３ａを挟んで夫々ギヤシールによる機械的圧着により、又は超音波などに よる溶着によりこれら外側縁部２ａ，２ａ及び３ａ，３ａと共に一体に互いにシ ール結着して袋状とし、その内部をその折り曲げ底縁とそのシール結着された両 側縁とにより囲まれた上面を開放した極板を収容するための袋状空間部５を形成 すると共にその袋状空間部５内に、その左右の各テープ状シート２，３の対向す る前後の内側縁部２ｂ，２ｂ及び３ｂ，３ｂを突出せしめて本考案の袋状セパレ ータを構成する。４，４は袋状セパレータの両側のシール結着部を示す。 Next, an embodiment of the present invention will be described with reference to the accompanying drawings. In FIG. 1, A indicates a bag-shaped separator for accommodating an anode plate of a storage battery of one embodiment of the present invention, typically a lead storage battery. FIG. 2 shows the developed view. The bag-shaped separator A is a tape-shaped sheet 2, 3 which is folded in two inside the U-shaped synthetic resin separator sheet 1 folded in two and along both side edges of the front and rear facing sheet surfaces 1a, 1b. Of the U-shaped separator sheet 1 and the opposing sheet surfaces 1a and 1b of the U-shaped separator sheet 1 on both side edges 1c, 1c and 1d, 1d respectively of the front and rear tape-shaped sheets 2 and 3 which face each other. The front and rear outer edge portions 2a, 2a and 3a, 3a are sandwiched between the outer edge portions 2a, 2a and 3a, 3a by mechanical pressure bonding with a gear seal or by welding by ultrasonic waves or the like. A bag-like space 5 for accommodating a pole plate having an open upper surface surrounded by the folded bottom edge and both side edges to which the seal is connected is formed into a bag shape by sealing. Form At the same time, the inside and outside edges 2b, 2b and 3b, 3b of the left and right tape-shaped sheets 2, 3 facing each other are projected into the bag-shaped space 5 to form the bag-shaped separator of the present invention. To do. Reference numerals 4 and 4 denote seal binding portions on both sides of the bag-shaped separator.
【０００７】 図２は、上記の袋状セパレータを構成する前のセパレータの展開図である。上 記の構成から明らかなように、シート状セパレータ１の両側縁には、これに沿っ てテープ状シート２，３が重ね合わされるが、その各テープ状シート２又は３の 幅は、セパレータシート１を２つ折りし、その対向する前後シート面の夫々の両 側縁の対向面１ｃ，１ｄ及び１ｃ，１ｄを互いにシール結着する幅ｄ，ｄよりも 広幅Ｄとし、上記のように袋状セパレータを作製するとき、その夫々のテープ状 シート２及び３の外側縁部２ａ及び３ａをシール結着代とし、その内側縁部２ｂ 及び３ｂを袋状空間部５内へ突出するテープ状側縁部となるようにした。 ６は、セパレータ１の内面にその中央面域に設けた長さ方向に延びる多数本の 平行するリブを示す。該セパレータ１を２つ折りし上記のように袋状のセパレー タＡとしたとき、前後の対向シート面１ａ，１ｂの内面の中央面域においてＵ字 状に折り曲がり且つ垂直方向に延びる多数本のリブ６を構成するものであり、か ゝるリブ６の配設は従来と変わりはない。FIG. 2 is a development view of the separator before the bag-shaped separator is constructed. As is clear from the above configuration, the tape-shaped sheets 2 and 3 are overlapped on both side edges of the sheet-shaped separator 1, and the width of each tape-shaped sheet 2 or 3 is the separator sheet. 1 is folded in two, and the facing surfaces 1c, 1d and 1c, 1d on both side edges of the front and rear seat surfaces facing each other are made wider than the widths d, d which seal-bond each other, and the bag-like shape as described above. When manufacturing a separator, the tape-shaped side edges of the tape-shaped sheets 2 and 3 whose outer edges 2a and 3a are used as seal binding margins and whose inner edges 2b and 3b protrude into the bag-shaped space 5 It became a part. Reference numeral 6 denotes a plurality of parallel ribs provided on the inner surface of the separator 1 and extending in the lengthwise direction in the central surface area. When the separator 1 is folded in two to form a bag-shaped separator A as described above, a large number of U-shaped bent and vertically extending members are formed in the central surface areas of the inner surfaces of the front and rear facing sheet surfaces 1a and 1b. The ribs 6 constitute the ribs 6, and the arrangement of the ribs 6 is the same as the conventional one.
【０００８】 かくして、上記構成の本考案の袋状セパレータＡは、図３及び図４示のように 、その袋状空間部５内に陽極板Ｐを収容して使用されるが、この場合、その陽極 板Ｐの両側縁６ａ及び６ａは、図４示に明示のように、該袋状セパレータＡの全 体がシール結着された両側縁から該袋状空間部５内に突出した上下方向に延び対 向する前後のテープ状シート２及び３の対向内側縁部２ｂ，２ｂ及び３ｂ，３ｂ 間のＶ字状凹溝スペース内に挿入するように収容される。この場合、収容された 陽極板Ｐの両側縁７，７の底端は、図３に明示のように、２つ折りしたテープ状 シート２，３の折り曲げ底部上に載置され、かくして、袋状セパレータの底面の 両側は、機械的損傷並びに酸化劣化から保護される。 このように、本考案の袋状セパレータＡ内に収容された陽極板Ｐの両側縁７， ７の外面は、その対向する前後のテープ状シート２，３の内側縁２ｂ，２ｂ及び ３ｂ，３ｂにより被覆され、袋状セパレータＡの結着シールされた両側縁及びそ の両側縁近傍の前後の対向シート面１ａ，１ｂの対応する個所に当接することか ら防止され、従来見られるように、袋状セパレータのシールされた両側縁やその 近傍が陽極板の両側縁の当接によって、更に詳細には、その両側縁の各前後の隅 角部７ａ，７ｂとの当接により、機械的に破れたり、酸素による酸化劣化などの 不都合が未然に防止される。Thus, the bag-shaped separator A of the present invention having the above-described structure is used by accommodating the anode plate P in the bag-shaped space 5 as shown in FIG. 3 and FIG. As shown in FIG. 4, both side edges 6a and 6a of the anode plate P are arranged in a vertical direction in which the entire bag-shaped separator A is protruded into the bag-shaped space portion 5 from both side edges which are seal-bonded. To be inserted into the V-shaped groove space between the facing inner edges 2b, 2b and 3b, 3b of the front and rear tape-shaped sheets 2 and 3 facing each other. In this case, the bottom ends of both side edges 7, 7 of the accommodated anode plate P are placed on the folded bottom portions of the tape-shaped sheets 2 and 3 folded in two, as shown in FIG. Both sides of the bottom surface of the separator are protected from mechanical damage as well as oxidative degradation. Thus, the outer surfaces of both side edges 7, 7 of the anode plate P housed in the bag-shaped separator A of the present invention have inner edges 2b, 2b and 3b, 3b of the front and rear tape-shaped sheets 2, 3 facing each other. Is prevented from abutting against the binding-sealed side edges of the bag-shaped separator A and corresponding portions of the front and rear facing sheet surfaces 1a and 1b in the vicinity of the side edges thereof. The sealed side edges of the bag-shaped separator and the vicinity thereof are mechanically contacted by the contact of both side edges of the anode plate, more specifically, by the contact with the front and rear corners 7a and 7b of the both side edges. Inconveniences such as breakage and oxidative deterioration due to oxygen can be prevented.
【０００９】 本考案において、セパレータシート１の左右の両側縁に沿い重ねたテープ状シ ート２及び３は、接着剤を介し該セパレータ１に貼着するか或いはギヤシール、 ヒートシール、超音波溶着などによりシール結着しておくことが好ましい。これ により、その左右のテープ状シート２及び３の夫々の対向する前後の内側縁部２ ｂ，２ｂ及び３ｂ，３ｂは、夫々その袋状セパレータＡの対向シート面１ａ，１ ｂの内面に固設されているので、その対抗面間に陽極板Ｐの両側縁７，７を挿入 するＶ字状凹溝スペース５ａ，５ｂが確保され、極板Ｐの挿入を容易に行うこと ができる。 また、本考案の袋状セパレータは次のように構成することもできる。即ち、セ パレータシート１を２つ折りしＵ字状に折り曲げた後、該セパレータ１の左右に ２つ折りしＵ字状に折り曲げた各テープ状シート２及び３を挿入し、或いはセパ レータ１とその左右に重ね合わせたテープ状シート２及び３を同時に２つ折りし た後、その対向する前後シート面の夫々の対向面１ｃ，１ｄ及び１ｃ，１ｄを互 いにシール結着することにより得るようにしてもよい。In the present invention, the tape-shaped sheets 2 and 3 stacked along the left and right side edges of the separator sheet 1 are adhered to the separator 1 with an adhesive, or are attached by gear seal, heat seal, ultrasonic welding. It is preferable that a seal is bound by, for example. As a result, the front and rear inner edge portions 2b, 2b and 3b, 3b of the left and right tape-shaped sheets 2 and 3 facing each other are fixed to the inner surfaces of the facing sheet surfaces 1a and 1b of the bag-shaped separator A, respectively. Since it is provided, the V-shaped concave groove spaces 5a and 5b for inserting the both side edges 7 and 7 of the anode plate P are secured between the opposing surfaces, and the electrode plate P can be easily inserted. In addition, the bag-shaped separator of the present invention may be configured as follows. That is, after the separator sheet 1 is folded in two and folded in a U-shape, the tape-shaped sheets 2 and 3 folded in two and folded in a U-shape are inserted into the left and right sides of the separator 1, or the separator 1 and its separator are inserted. After the two tape-shaped sheets 2 and 3 which are overlapped on the left and right sides are folded at the same time, the respective opposing surfaces 1c, 1d and 1c, 1d of the front and rear sheet surfaces facing each other are sealed and bonded to each other. May be.
【００１０】 該セパレータシート１自体は、微多孔性の合成樹脂製フィルム又は合成樹脂繊 維を主体とした織布又は不織布から成り、従来のものと変わりがなく、従来法に よって製造される。一般に、長尺の成形シートを製造し、これを所定の寸法に裁 断し、２つ折りし、その重なり合う対向シート面の両側縁をシール結着して連続 的に製造される。例えば、超高分子ポリエチレンとシリカ粉末との混合粉末を鉱 物オイルで混練したものを、押出成形機によりシート状に成形した後、有機溶剤 の浴槽を通過させ、該オイルの全部又は一部を抽出し、加熱乾燥して微多孔性で 可撓性の合成樹脂製フィルムから成るセパレータシートを製造する。また、所望 の合成繊維と無機繊維とシリカ粉末との混合物を公知の湿式抄造して成る微多孔 製の湿式不織布或いは乾式不織布の合成樹脂製セパレータシートを製造する。The separator sheet 1 itself is made of a microporous synthetic resin film or a woven or non-woven fabric mainly composed of a synthetic resin fiber, and is the same as the conventional one, and is manufactured by the conventional method. In general, a long formed sheet is manufactured, cut into a predetermined size, folded in two, and seal-bonded on both side edges of the overlapping opposing sheet surfaces to continuously manufacture the sheet. For example, a mixture of ultra-high molecular weight polyethylene and silica powder is kneaded with mineral oil, shaped into a sheet with an extruder, and then passed through a bath of an organic solvent to remove all or part of the oil. It is extracted, heated and dried to produce a separator sheet composed of a microporous and flexible synthetic resin film. Further, a synthetic resin separator sheet of microporous wet non-woven fabric or dry non-woven fabric obtained by publicly known wet papermaking of a mixture of desired synthetic fibers, inorganic fibers and silica powder is produced.
【００１１】 また、セパレータシート１にリブ６を設ける場合は、リブ６の高さは、例えば ０．０５〜０．３ｍｍ、リブ６のピッチは０．５〜３ｍｍ程度とする。 また、リブ６を設けないセパレータシート１から本考案の袋状セパレータＡを 構成した場合は、その使用に当たり、収容する陽極板Ｐと対向する前後の対向面 シート１ａ，１ｂの内面の中央面域との間にガラスマットを挿入介在させること が好ましい。 尚、リブ６は、セパレータシート１の中央面域ばかりでなく、全幅に亘り、即 ち、その左右両側縁に亘って配設してもよい。この場合は、その左右の両側縁部 に設けるリブは中央面域に配設されるリブに比し高さが低く且つ細幅のものがよ く、その上面にテープ状シートを重ねたとき、テープ状シートの上面が略中央面 域のリブの高さと同等になるようにすることが好ましい。When the ribs 6 are provided on the separator sheet 1, the height of the ribs 6 is, for example, 0.05 to 0.3 mm, and the pitch of the ribs 6 is about 0.5 to 3 mm. Further, when the bag-shaped separator A of the present invention is constructed from the separator sheet 1 without the ribs 6, when the bag is used, the central surface area of the inner surface of the facing surface sheets 1a and 1b facing the anode plate P to be housed. It is preferable to insert a glass mat between and. The ribs 6 may be provided not only in the central surface area of the separator sheet 1 but also over the entire width thereof, that is, the left and right edges thereof. In this case, the ribs provided on the left and right side edges are preferably lower in height and narrower than the ribs arranged in the central surface area. It is preferable that the upper surface of the tape-shaped sheet be approximately equal to the height of the ribs in the substantially central area.
【００１２】 本考案で用いるテープ状シートは、一般に、無孔性又は微多孔性の合成樹脂製 フィルムから成り、その厚さは、例えば０．０１ｍｍであり、幅は、セパレータ シート１のシール結着される両側縁の幅と同じ外側縁部の幅と袋状セパレータの 袋状空間部５内へ突出し、該陽極板の両側縁の右前後の隅角部を被覆するに足る 内側縁幅を合わせた数ミリ〜２０ミリ程度とする。The tape-like sheet used in the present invention is generally made of a non-porous or microporous synthetic resin film, the thickness of which is, for example, 0.01 mm, and the width thereof is the sealing sheet of the separator sheet 1. The width of the outer edge that is the same as the width of both side edges to be worn and the inner edge width that is sufficient to cover the right and front corners of both side edges of the anode plate that protrude into the bag-shaped space 5 of the bag-shaped separator The total length is about several millimeters to 20 millimeters.
【００１３】 本考案で用いるテープ状シートは、上記セパレータシートと同じ又は異なる材 質の無孔性又は微多孔性のＰＥ、ＰＶＣ、ＰＥＴ、弗素樹脂などの合成樹脂製フ ィルムなどの成形シート或いはポリエステル、ポリエチレンなどの合成繊維又は ガラス繊維又はこれらの混合繊維を材料とし、スパンボンド法、その他により製 造した不織布又は織布のいずれでもよい。その厚さは、セパレータシートにリブ のない場合やリブを設けた場合、或いはガラス繊維マットを介在せしめた場合を 考慮し、一般に最小０．００５ｍｍ程度とし、最大の厚さは０．５ｍｍ程度とし 、リブを有し或いはガラス繊維マットを用いる場合は、これらと略同じ高さ或い は略同じ厚さのものが選択使用される。 また、微多孔性のテープ状シートの場合は、平均孔径０．０５〜５０μ、多孔 度３０〜８０％程度のものが一般に用いられる。The tape-like sheet used in the present invention is a molded sheet of non-porous or microporous PE, PVC, PET, a film made of a synthetic resin such as a fluororesin, which is the same as or different from the above-mentioned separator sheet, or A synthetic fiber such as polyester or polyethylene, or a glass fiber or a mixed fiber thereof may be used as a material, and may be a non-woven fabric or a woven fabric manufactured by a spunbond method or the like. Considering the case where the separator sheet has no ribs, the case where ribs are provided, or the case where a glass fiber mat is interposed, the minimum thickness is generally around 0.005mm, and the maximum thickness is around 0.5mm. When using a rib or a glass fiber mat, those having substantially the same height or the same thickness as those are selected and used. Further, in the case of a microporous tape-like sheet, one having an average pore size of 0.05 to 50 μm and a porosity of about 30 to 80% is generally used.
【００１４】 ２つ折りしたセパレータシート１の対向シート面１ａ，１ｂの両側縁１ｃ，１ ｃ及び１ｄ，１ｄをその夫々のテープ状シート２，３を介して互いにシール結着 するには、ギヤシール結着即ちギヤ噛み締め圧着やヒートシール、超音波などに よる溶着などによる公知のシール結着手段が用いられる。In order to seal-bond the opposite side edges 1c, 1c and 1d, 1d of the facing sheet surfaces 1a, 1b of the half-folded separator sheet 1 to each other via the respective tape-shaped sheets 2, 3, a gear seal connection is used. Well-known seal binding means such as attachment, that is, gear bite tightening pressure bonding, heat sealing, welding by ultrasonic waves, etc. is used.
【００１５】 比較試験例 次に、本考案の袋状セパレータと従来の袋状セパレータとの比較試験例を詳述 する。 ポリエチレンとシリカ粉体を主成分とした鉱物オイルにより混練したものを、 押出成形機によりリブ付きのシート状に押出成形したものを、有機溶剤の浴槽を 通過させて鉱物オイルを全部除去し、加熱乾燥して長尺の微多孔性の合成樹脂性 セパレータシートを製造し、次で、所定の寸法に裁断して多数の寸法のセパレー タシートを用意した。その各セパレータシートは、長さ２５０ｍｍ、幅１５２ｍ ｍ、ペース高さ０．２５ｍｍ、リブ高さ０．８ｍｍ、リブピッチ１０ｍｍ、その 中央面域にリブ本数１４本を有する。 別個に、下記表１に示すように、材質と厚さの異なる長さ２５０ｍｍ、幅１２ ｍｍの各種のテープ状シートを多数枚用意し、上記の各セパレータシートの１０ 枚づつにつき、その各両側縁に沿い上記の異なる種類のテープ状シート毎に貼着 した後、その夫々のテープ状シートを内側にして２つ折りし、その左右の両側部 を３ｍｍ幅でその両側部をギヤ噛み締め圧着して各種の袋状セパレータを製造し た。 次に、その上記の全ての袋状セパレータにつき、その形成された袋状空間部内 に、厚さ１ｍｍ、高さ１１５ｍｍ、幅１４２ｍｍのペースト式陽極板、例えば、 エキスパンド式の格子基板に活物質ペーストを塗布充填、乾燥して成るペースト 式陽極板を、その両側縁が袋状セパレータの袋状空間内の左右において夫々９ｍ ｍ突出したテープ状シートのテープ状内側縁部間のＶ字状凹溝スペース内に挿入 するようにして収容した。 かくして、該陽極板の両側縁部はその前後において９ｍｍ幅のテープ状シート 部で被覆された状態の陽極板容り袋状セパレータを用意した。 比較のため、テープ状シートを介在させないで、上記のセパレータシートを２ つに折り曲げ、その両側縁を前記と同様にしてシール結着して従来の袋状セパレ ータを製造し、その夫々に上記と同じ陽極板を収容した。これにより、テープ状 シートなしの陽極板容りの従来の袋状セパレータを用意した。 次に、表１に示す４種類の陽極板容りの本考案の袋状セパレータの夫々と上記 従来の陽極板容りセパレータについて、その袋状セパレータの外側の両面に陰極 板を当て常法により夫々の種類の１２Ｖ電池を組み立てた。 Comparative Test Example Next, a comparative test example of the bag-shaped separator of the present invention and the conventional bag-shaped separator will be described in detail. A kneaded mixture of polyethylene and silica powder as the main component of mineral oil, extruded into a ribbed sheet with an extruder, passed through an organic solvent bath to remove all mineral oil, and heated. A long microporous synthetic resin separator sheet was manufactured by drying and then cut into a predetermined size to prepare a separator sheet having a large number of sizes. Each of the separator sheets has a length of 250 mm, a width of 152 mm, a pace height of 0.25 mm, a rib height of 0.8 mm, a rib pitch of 10 mm, and 14 ribs in the central surface area. Separately, as shown in Table 1 below, a large number of various tape-like sheets of 250 mm in length and 12 mm in width, which differ in material and thickness, are prepared. After sticking each of the above different types of tape-shaped sheets along the edge, fold each tape-shaped sheet inward and fold it in half, and then press both sides of the left and right sides with a width of 3 mm to squeeze the gears. Various bag-shaped separators were manufactured. Next, for all of the above bag-shaped separators, a paste type anode plate having a thickness of 1 mm, a height of 115 mm and a width of 142 mm, for example, an expanded type grid substrate, was coated with an active material paste in the formed bag-shaped space. A V-shaped groove between the tape-shaped inner edges of the tape-shaped sheet in which both side edges of the paste-type anode plate are coated and dried, and the both side edges of the paste-shaped sheet are projected 9 mm on the left and right sides of the bag-shaped separator. It was housed so that it could be inserted into the space. Thus, a bag-shaped separator containing an anode plate was prepared in which both side edges of the anode plate were covered with tape-like sheet portions having a width of 9 mm before and after the edges. For comparison, the above separator sheet is folded in two without interposing a tape-like sheet, and both side edges thereof are sealed and bonded in the same manner as described above to manufacture conventional bag-like separators. The same anode plate as above was housed. As a result, a conventional bag-shaped separator without a tape-shaped sheet and containing an anode plate was prepared. Next, for each of the four kinds of bag-shaped separators of the present invention shown in Table 1 of the present invention and the conventional anode plate-containing separator described above, a cathode plate was applied to both outer surfaces of the bag-shaped separator by a conventional method. 12V batteries of each type were assembled.
【００１６】 このように組み立てた各種電池につき、ＪＩＳ Ｄ ５３０１−１９８６に準 じ、温度７５℃で過充電寿命試験を行った。その結果は、表１に示す通りである 。The various batteries thus assembled were subjected to an overcharge life test at a temperature of 75 ° C. according to JIS D 5301-1986. The results are shown in Table 1.
【００１７】[0017]
【表１】 [Table 1]
【００１８】 上記表１から明らかなように、本考案の袋状セパレータ試料Ｎｏ．１〜Ｎｏ． ４を用いた場合の電池の過充電寿命は、従来の袋状セパレータＮｏ．５を用いた 場合の電池のそれに比し著しく向上した。試験後、これらの袋状セパレータを調 べた所、従来の袋状セパレータには、その両側縁の一部に酸化劣化損傷が認めら れたが、本考案の全ての袋状セパレータには全く異常が見られなかった。As is clear from Table 1 above, the bag-shaped separator sample No. 1 of the present invention was used. 1-No. As for the overcharge life of the battery when using No. 4, the conventional bag-shaped separator No. It was remarkably improved as compared with that of the battery using No. 5. After the test, when these bag-shaped separators were examined, the conventional bag-shaped separators were found to have oxidative deterioration damage on part of both side edges, but all the bag-shaped separators of the present invention were completely abnormal. Was not seen.
【００１９】[0019]
このように本考案の蓄電池用袋状セパレータは、その前後の対向シート面の内 側に、袋状空間部に収容される陽極板の両側縁の外面を前後から被覆するべくテ ープ状シートを、その袋状セパレータのシール結着された両側縁から該袋状空間 部に突出せしめたので、袋状セパレータのシール結着された両側縁の強度は、増 大するばかりでなく、その内部に陽極板を収容したとき、該陽極板の両側縁は、 その前後のテープ状シートの介在によりこれに対応する袋状セパータの前後の対 向シート面と隔離され、直接接触による機械的損傷、酸化劣化から防止され、袋 状のセパレータの使用寿命が増大し、また、これを組み込んだ蓄電池の過充電寿 命の延長をもたらし、充放電の繰り返しによる電池の使用寿命の延長をもたらす 等の効果を有する。 また、この場合、テープ状シートの袋状空間部内へ突出する内側縁部をその対 応する前後の対向シート面に貼着又はシール結着するときは、陽極板の上記の挿 入を円滑に行うことができる。 また、該テープ状シートを無孔又は微多孔性とすることにより、袋状セパレー タの両側の機械的強度の増大やその両側の電解液の拡散、ガスの放出を行うこと ができる。 As described above, the bag-shaped separator for a storage battery of the present invention has a tape-shaped sheet on the inside of the front and rear facing sheet surfaces to cover the outer surfaces of both side edges of the anode plate housed in the bag-shaped space from the front and back. Is made to protrude from the both sides of the bag-shaped separator that are sealed and bound to the bag-shaped space, so that the strength of both sides of the bag-shaped separator that are bound and sealed is not only increased, When the anode plate is housed in the above, the both side edges of the anode plate are separated from the front and rear facing sheet surfaces of the corresponding bag-shaped separator by the interposition of the tape-like sheets before and after the anode plate, and mechanical damage due to direct contact, Prevents oxidative deterioration, increases the service life of the bag-shaped separator, extends the overcharge life of the storage battery incorporating it, and extends the service life of the battery by repeating charging and discharging. Have . Further, in this case, when the inner edge portion of the tape-shaped sheet protruding into the bag-shaped space is attached or seal-bonded to the corresponding front and rear facing sheet surfaces, the above-mentioned insertion of the anode plate is smoothly performed. It can be carried out. Further, by making the tape-shaped sheet non-porous or microporous, it is possible to increase the mechanical strength on both sides of the bag-shaped separator, diffuse the electrolytic solution on both sides of the bag-shaped separator, and release gas.
【提出日】平成６年２月２３日[Submission date] February 23, 1994
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】全文[Correction target item name] Full text
【補正方法】変更[Correction method] Change
【０００１】[0001]
本考案は、主として鉛蓄電池に適用される蓄電池用袋状セパレータ並びに蓄電 池 に関する。This invention relates to a bag-like separator and a power storage battery storage battery is mainly applied to the lead-acid battery.
【０００２】[0002]
従来、鉛蓄電池用袋状セパレータは、ポリエチレンなどの合成樹脂とシリカ粉 末などの無機粉末との混合物を主成分を鉱物オイルで混練したもの、押出成形機 により押出しフィルム状に成形したものを有機溶剤により該鉱物オイルを全部又 はその大部分を除去し、加熱乾燥して製造した微多孔性フィルムから成る合成樹 脂製セパレータシートを材料とし、或いは合成繊維単独又はこれにシリカ粉末な どの無機粉末を混入して湿式で抄造して成る湿式不織布或いは乾式不織布の合成 樹脂製セパレータシートを材料とし、これを２つ折りし、その対向するシート面 の両側縁を互いにギヤシールにより機械的にシール結着し、或いは超音波などで 溶着によりシール結着せしめて袋状セパレータとしたものが知られている。 而して、このような上記従来の合成樹脂製の袋状セパレータは、その袋状空間 内に陽極板を収容し、その外側に陰極板を積層して所望枚数から成る極板群に組 み立て、電槽内に挿入され鉛蓄電池の製造に用いられる。 この場合、その袋状セパレータの内面に陽極板が直接接触して酸化劣化するこ とを防止するため、陽極板の前後面と対向する前後のシート面に多数の平行する 垂直リブを袋の幅方向に配設し、これにより、そのセパレータシートの基面に陽 極板面が接触しないようにして可及的に酸化劣化を防止する一方、陽極板から発 生する酸素は垂直上方に抜け易くしてこれによる袋状セパレータの酸化劣化を防 止して袋状セパレータの使用寿命を延長することが行われている。 また、該陽極板と該袋状セパレータとの間にガラス繊維から成るいわゆるガラ スマットを介在させ、該ガラスマットを該陽極板に圧着せしめることにより陽極 板中の活物質の脱落を防止する一方、陽極板から発生する発生期の酸素により袋 状セパレータが酸化劣化することを防止し、極板と袋状セパレータの使用寿命の 延長を図ることが行われている。 Conventionally, bag-shaped separators for lead-acid batteries are made by mixing a mixture of synthetic resin such as polyethylene and inorganic powder such as silica powder with mineral oil as the main component, or extruding a film formed by an extruder into an organic film. A synthetic resin separator sheet consisting of a microporous film produced by removing all or most of the mineral oil with a solvent and heating and drying, or synthetic fiber alone or an inorganic material such as silica powder. A synthetic resin separator sheet made of wet non-woven fabric or dry non-woven fabric made by mixing powder with wet process is used as a material. This is folded in two and both edges of the opposing sheet surfaces are mechanically sealed together by a gear seal. It is also known that a bag-shaped separator is formed by sealingly binding by welding with ultrasonic waves or the like. Thus, the above-mentioned conventional bag-shaped separator made of synthetic resin contains an anode plate in the bag-shaped space, and a cathode plate is laminated on the outside thereof to form a desired number of electrode plates. It stands and is inserted into a battery case and used for manufacturing lead acid batteries. In this case, in order to prevent the anode plate from directly contacting the inner surface of the bag-shaped separator and oxidatively deteriorating, a number of parallel vertical ribs are provided on the front and rear sheet surfaces facing the front and rear surfaces of the anode plate, and the width of the bag is The positive electrode plate surface is prevented from coming into contact with the base surface of the separator sheet to prevent oxidative deterioration as much as possible, while the oxygen generated from the anode plate easily escapes vertically upward. The oxidative deterioration of the bag-shaped separator due to this is prevented and the service life of the bag-shaped separator is extended. Further, a so-called glass mat made of glass fiber is interposed between the anode plate and the bag-shaped separator, and the glass mat is pressure-bonded to the anode plate to prevent the active material in the anode plate from falling off. Oxygen generated from the anode plate is prevented from oxidatively deteriorating the bag-shaped separator, and the service life of the electrode plate and the bag-shaped separator is extended.
【０００３】[0003]
しかし乍ら、上記従来の合成樹脂製袋状セパレータは、陽極板を収容して使用 する場合、該陽極板の両側縁が該袋状セパレータのシールされた両側縁又はその 近傍に当接しているので、振動、衝撃を受けて亀裂や損傷を受け易く、また極板 の活物質との接触や発生する酸素により上記の個所は特に酸化劣化を受け易く、 結局、袋状セパレータの使用寿命が短くなり、これに従い、電池の短絡などの電 池寿命の短縮などの問題が不可避である欠点を有し、かゝる不都合を解消するこ とが望まれる。 However, in the conventional synthetic resin bag-shaped separator described above, when the anode plate is housed and used, both side edges of the anode plate are in contact with the sealed side edges of the bag-shaped separator or in the vicinity thereof. Therefore, it is susceptible to cracks and damage due to vibration and shock, and the above-mentioned parts are particularly susceptible to oxidative deterioration due to contact with the active material of the electrode plate and generated oxygen, which ultimately reduces the service life of the bag-shaped separator. Accordingly, there is a drawback that problems such as shortening of battery life such as short circuit of batteries are inevitable, and it is desired to eliminate such inconvenience.
【０００４】[0004]
本考案は、上記従来の課題を解決すると共に、上記の要望を満足した長寿命の 蓄電池用袋状セパレータを提供するもので、２つ折りしたＵ字状の合成樹脂製セ パレータシートの内側にその前後の対向シート面の両側縁に沿い夫々２つ折りし たテープ状シートを介入させ、該Ｕ字状セパレータシートの前後の対向シート面 の両側縁をその左右の各前後の対向テープ状シートの外側縁部を挟んで夫々シー ル結着し、その内側に形成される極板を収容するための袋状空間内にその左右の 各前後の対向テープ状シートの内側縁部を突出せしめて成る。 The present invention solves the above-mentioned conventional problems and provides a long-life bag-type separator for a storage battery that satisfies the above-mentioned demands. The bag-shaped separator is formed inside a U-shaped synthetic resin separator sheet that is folded in two. The U-shaped separator sheet is intervened by two tape-shaped sheets that are folded along both edges of the front and rear facing sheet surfaces, and the both sides of the front and rear facing sheet surfaces of the U-shaped separator sheet are placed outside the front and rear facing tape-shaped sheets. Sealing is performed with the edges sandwiched, and the inside edges of the front and rear facing tape-like sheets on the left and right sides are projected into a bag-shaped space for accommodating the electrode plates formed inside thereof.
【０００５】[0005]
本考案の上記の袋状セパレータの両側縁は夫々前後の対向テープ状シートを挟 んでこれと一体にシール結着しているので、その個所の機械的強度が増大する。 また、該袋状セパレータの袋状空間内に陽極板を収容するときは、その袋状空 間内に突出する前後の対向テープ状シートの内側縁部間にその陽極板の両側縁が 挿入されるので、その袋状セパレータの前後対向シート面の夫々の両側縁部と該 陽極板の両側縁との間にこれら前後のテープ状シートの両側縁部が介在するので 、該陽極板の両側縁が袋状セパレータの対向シート面の両側縁に当接することに よる従来見られたその個所の機械的劣化及び酸化劣化が防止できる。 この場合、左右の各前後のテープ状シートの内側縁部を袋状セパレータの前後 の対向シート面の内面に貼着しておくときは、その２又の前後内側縁部の間にＶ 字状凹溝スペースが確保されるので、極板の両側縁の挿入が容易にできる。 また、テープ状シートは無孔シートであるときは、機械的強度が増大し、微多 孔シートであるときは、電解液の透過、発生ガスの放出が向上し、袋状セパレー タの作用を兼ねる。Since both side edges of the bag-like separator of the present invention sandwich the front and rear facing tape-shaped sheets respectively and are integrally sealed and bonded, the mechanical strength of the portion is increased. When accommodating the anode plate in the bag-shaped space of the bag-shaped separator, both side edges of the anode plate are inserted between the inner edges of the front and rear facing tape-shaped sheets protruding into the bag-shaped space. Therefore, since the both side edges of the front and rear tape-shaped sheets are interposed between the both side edges of the front and rear facing sheet surfaces of the bag-shaped separator and the both side edges of the anode plate, both side edges of the anode plate are formed. It is possible to prevent mechanical deterioration and oxidative deterioration at that portion, which have been conventionally observed, due to the contact between both side edges of the opposite sheet surface of the bag-shaped separator. In this case, when the inner edges of the front and rear tape-shaped sheets are attached to the inner surfaces of the front and rear facing sheet surfaces of the bag-shaped separator, a V-shaped gap is formed between the two front and rear inner edges. Since the groove space is secured, both side edges of the electrode plate can be easily inserted. Further, when the tape-shaped sheet is a non-perforated sheet, the mechanical strength is increased, and when it is a micro-porous sheet, the permeation of the electrolytic solution and the release of the generated gas are improved, and the action of the bag-shaped separator is improved. Also serve.
【０００６】[0006]
次に、本考案の実施例を添付図面に基づいて説明する。 図１において、Ａは本考案実施の１例の蓄電池、代表的には、鉛蓄電池の陽極 板を収容するための袋状セパレータを示す。図２はその展開図を示す。該袋状セ パレータＡは、２つ折りしたＵ字状の合成樹脂製セパレータシート１の内側に、 その前後の対向シート面１ａ，１ｂの夫々の両側縁に沿い２つ折りしたテープ状 シート２，３を介在させ、その該Ｕ字状セパレータシート１の前後の対向シート 面１ａ及び１ｂの夫々の両側縁１ｃ，１ｃ及び１ｄ，１ｄをその左右の各対向す る前後のテープ状シート２，３の夫々の対向する前後の外側縁部２ａ，２ａ及び ３ａ，３ａを挟んで夫々ギヤシールによる機械的圧着により、又は超音波などに よる溶着によりこれら外側縁部２ａ，２ａ及び３ａ，３ａと共に一体に互いにシ ール結着して袋状とし、その内部をその折り曲げ底縁とそのシール結着された両 側縁とにより囲まれた上面を開放した極板を収容するための袋状空間部５を形成 すると共にその袋状空間部５内に、その左右の各テープ状シート２，３の対向す る前後の内側縁部２ｂ，２ｂ及び３ｂ，３ｂを突出せしめて本考案の袋状セパレ ータを構成する。４，４は袋状セパレータの両側のシール結着部を示す。 Next, an embodiment of the present invention will be described with reference to the accompanying drawings. In FIG. 1, A indicates a bag-shaped separator for accommodating an anode plate of a storage battery of one embodiment of the present invention, typically a lead storage battery. FIG. 2 shows the developed view. The bag-shaped separator A is a tape-shaped sheet 2, 3 which is folded in two inside the U-shaped synthetic resin separator sheet 1 folded in two and along both side edges of the front and rear facing sheet surfaces 1a, 1b. Of the U-shaped separator sheet 1 and the opposing sheet surfaces 1a and 1b of the U-shaped separator sheet 1 on both side edges 1c, 1c and 1d, 1d respectively of the front and rear tape-shaped sheets 2 and 3 which face each other. The front and rear outer edge portions 2a, 2a and 3a, 3a are sandwiched between the outer edge portions 2a, 2a and 3a, 3a by mechanical pressure bonding with a gear seal or by welding by ultrasonic waves or the like. A bag-like space 5 for accommodating a pole plate having an open upper surface surrounded by the folded bottom edge and both side edges to which the seal is connected is formed into a bag shape by sealing. Form At the same time, the inside and outside edges 2b, 2b and 3b, 3b of the left and right tape-shaped sheets 2, 3 facing each other are projected into the bag-shaped space 5 to form the bag-shaped separator of the present invention. To do. Reference numerals 4 and 4 denote seal binding portions on both sides of the bag-shaped separator.
【０００７】 図２は、上記の袋状セパレータを構成する前のセパレータの展開図である。上 記の構成から明らかなように、シート状セパレータ１の両側縁には、これに沿っ てテープ状シート２，３が重ね合わされるが、その各テープ状シート２又は３の 幅は、セパレータシート１を２つ折りし、その対向する前後シート面の夫々の両 側縁の対向面１ｃ，１ｄ及び１ｃ，１ｄを互いにシール結着する幅ｄ，ｄよりも 広幅Ｄとし、上記のように袋状セパレータを作製するとき、その夫々のテープ状 シート２及び３の外側縁部２ａ及び３ａをシール結着代とし、その内側縁部２ｂ 及び３ｂを袋状空間部５内へ突出するテープ状側縁部となるようにした。 ６は、セパレータ１の内面にその中央面域に設けた長さ方向に延びる多数本の 平行するリブを示す。該セパレータ１を２つ折りし上記のように袋状のセパレー タＡとしたとき、前後の対向シート面１ａ，１ｂの内面の中央面域においてＵ字 状に折り曲がり且つ垂直方向に延びる多数本のリブ６を構成するものであり、か ゝるリブ６の配設は従来と変わりはない。FIG. 2 is a development view of the separator before the bag-shaped separator is constructed. As is clear from the above configuration, the tape-shaped sheets 2 and 3 are overlapped on both side edges of the sheet-shaped separator 1, and the width of each tape-shaped sheet 2 or 3 is the separator sheet. 1 is folded in two, and the facing surfaces 1c, 1d and 1c, 1d on both side edges of the front and rear seat surfaces facing each other are made wider than the widths d, d which seal-bond each other, and the bag-like shape as described above. When manufacturing a separator, the tape-shaped side edges of the tape-shaped sheets 2 and 3 whose outer edges 2a and 3a are used as seal binding margins and whose inner edges 2b and 3b protrude into the bag-shaped space 5 It became a part. Reference numeral 6 denotes a plurality of parallel ribs provided on the inner surface of the separator 1 and extending in the lengthwise direction in the central surface area. When the separator 1 is folded in two to form a bag-shaped separator A as described above, a large number of U-shaped bent and vertically extending members are formed in the central surface areas of the inner surfaces of the front and rear facing sheet surfaces 1a and 1b. The ribs 6 constitute the ribs 6, and the arrangement of the ribs 6 is the same as the conventional one.
【０００８】 かくして、上記構成の本考案の袋状セパレータＡは、図３及び図４示のように 、その袋状空間部５内に陽極板Ｐを収容して使用されるが、この場合、その陽極 板Ｐの両側縁６ａ及び６ａは、図４示に明示のように、該袋状セパレータＡの全 体がシール結着された両側縁から該袋状空間部５内に突出した上下方向に延び対 向する前後のテープ状シート２及び３の対向内側縁部２ｂ，２ｂ及び３ｂ，３ｂ 間のＶ字状凹溝スペース内に挿入するように収容される。この場合、収容された 陽極板Ｐの両側縁７，７の底端は、図３に明示のように、２つ折りしたテープ状 シート２，３の折り曲げ底部上に載置され、かくして、袋状セパレータの底面の 両側は、機械的損傷並びに酸化劣化から保護される。 このように、本考案の袋状セパレータＡ内に収容された陽極板Ｐの両側縁７， ７の外面は、その対向する前後のテープ状シート２，３の内側縁２ｂ，２ｂ及び ３ｂ，３ｂにより被覆され、袋状セパレータＡの結着シールされた両側縁及びそ の両側縁近傍の前後の対向シート面１ａ，１ｂの対応する個所に当接することか ら防止され、従来見られるように、袋状セパレータのシールされた両側縁やその 近傍が陽極板の両側縁の当接によって、更に詳細には、その両側縁の各前後の隅 角部７ａ，７ｂとの当接により、機械的に破れたり、酸素による酸化劣化などの 不都合が未然に防止される。Thus, the bag-shaped separator A of the present invention having the above-described structure is used by accommodating the anode plate P in the bag-shaped space 5 as shown in FIG. 3 and FIG. As shown in FIG. 4, both side edges 6a and 6a of the anode plate P are arranged in a vertical direction in which the entire bag-shaped separator A is protruded into the bag-shaped space portion 5 from both side edges which are seal-bonded. To be inserted into the V-shaped groove space between the facing inner edges 2b, 2b and 3b, 3b of the front and rear tape-shaped sheets 2 and 3 facing each other. In this case, the bottom ends of both side edges 7, 7 of the accommodated anode plate P are placed on the folded bottom portions of the tape-shaped sheets 2 and 3 folded in two, as shown in FIG. Both sides of the bottom surface of the separator are protected from mechanical damage as well as oxidative degradation. Thus, the outer surfaces of both side edges 7, 7 of the anode plate P housed in the bag-shaped separator A of the present invention have inner edges 2b, 2b and 3b, 3b of the front and rear tape-shaped sheets 2, 3 facing each other. Is prevented from abutting against the binding-sealed side edges of the bag-shaped separator A and corresponding portions of the front and rear facing sheet surfaces 1a and 1b in the vicinity of the side edges thereof. The sealed side edges of the bag-shaped separator and the vicinity thereof are mechanically contacted by the contact of both side edges of the anode plate, more specifically, by the contact with the front and rear corners 7a and 7b of the both side edges. Inconveniences such as breakage and oxidative deterioration due to oxygen can be prevented.
【０００９】 本考案において、セパレータシート１の左右の両側縁に沿い重ねたテープ状シ ート２及び３は、接着剤を介し該セパレータ１に貼着するか或いはギヤシール、 ヒートシール、超音波溶着などによりシール結着しておくことが好ましい。これ により、その左右のテープ状シート２及び３の夫々の対向する前後の内側縁部２ ｂ，２ｂ及び３ｂ，３ｂは、夫々その袋状セパレータＡの対向シート面１ａ，１ ｂの内面に固設されているので、その対抗面間に陽極板Ｐの両側縁７，７を挿入 するＶ字状凹溝スペース５ａ，５ｂが確保され、極板Ｐの挿入を容易に行うこと ができる。 また、本考案の袋状セパレータは次のように構成することもできる。即ち、セ パレータシート１を２つ折りしＵ字状に折り曲げた後、該セパレータ１の左右に ２つ折りしＵ字状に折り曲げた各テープ状シート２及び３を挿入し、或いはセパ レータ１とその左右に重ね合わせたテープ状シート２及び３を同時に２つ折りし た後、その対向する前後シート面の夫々の対向面１ｃ，１ｄ及び１ｃ，１ｄを互 いにシール結着することにより得るようにしてもよい。In the present invention, the tape-shaped sheets 2 and 3 stacked along the left and right side edges of the separator sheet 1 may be attached to the separator 1 via an adhesive, or may be gear seals, heat seals, ultrasonic welds. It is preferable that a seal is bound by, for example. As a result, the front and rear inner edge portions 2b, 2b and 3b, 3b of the left and right tape-shaped sheets 2 and 3 facing each other are fixed to the inner surfaces of the facing sheet surfaces 1a and 1b of the bag-shaped separator A, respectively. Since it is provided, the V-shaped concave groove spaces 5a and 5b for inserting the both side edges 7 and 7 of the anode plate P are secured between the opposing surfaces, so that the electrode plate P can be easily inserted. In addition, the bag-shaped separator of the present invention may be configured as follows. That is, after the separator sheet 1 is folded in two and folded in a U-shape, the tape-shaped sheets 2 and 3 folded in two and folded in a U-shape are inserted into the left and right sides of the separator 1, or the separator 1 and its separator are inserted. After the two tape-shaped sheets 2 and 3 which are overlapped on the left and right sides are folded at the same time, the respective opposing surfaces 1c, 1d and 1c, 1d of the front and rear sheet surfaces facing each other are sealed and bonded to each other. May be.
【００１０】 該セパレータシート１自体は、微多孔性の合成樹脂製フィルム又は合成樹脂繊 維を主体とした織布又は不織布から成り、従来のものと変わりがなく、従来法に よって製造される。一般に、長尺の成形シートを製造し、これを所定の寸法に裁 断し、２つ折りし、その重なり合う対向シート面の両側縁をシール結着して連続 的に製造される。例えば、超高分子ポリエチレンとシリカ粉末との混合粉末を鉱 物オイルで混練したものを、押出成形機によりシート状に成形した後、有機溶剤 の浴槽を通過させ、該オイルの全部又は一部を抽出し、加熱乾燥して微多孔性で 可撓性の合成樹脂製フィルムから成るセパレータシートを製造する。また、所望 の合成繊維と無機繊維とシリカ粉末との混合物を公知の湿式抄造して成る微多孔 製の湿式不織布或いは乾式不織布の合成樹脂製セパレータシートを製造する。The separator sheet 1 itself is made of a microporous synthetic resin film or a woven or non-woven fabric mainly composed of a synthetic resin fiber, and is the same as the conventional one, and is manufactured by the conventional method. In general, a long formed sheet is manufactured, cut into a predetermined size, folded in two, and seal-bonded on both side edges of the overlapping opposing sheet surfaces to continuously manufacture the sheet. For example, a mixture of ultra-high molecular weight polyethylene and silica powder is kneaded with mineral oil, shaped into a sheet with an extruder, and then passed through a bath of an organic solvent to remove all or part of the oil. It is extracted, heated and dried to produce a separator sheet composed of a microporous and flexible synthetic resin film. Further, a synthetic resin separator sheet of microporous wet non-woven fabric or dry non-woven fabric obtained by publicly known wet papermaking of a mixture of desired synthetic fibers, inorganic fibers and silica powder is produced.
【００１１】 また、セパレータシート１にリブ６を設ける場合は、リブ６の高さは、例えば ０．０５〜０．３ｍｍ、リブ６のピッチは０．５〜３ｍｍ程度とする。 また、リブ６を設けないセパレータシート１から本考案の袋状セパレータＡを 構成した場合は、その使用に当たり、収容する陽極板Ｐと対向する前後の対向面 シート１ａ，１ｂの内面の中央面域との間にガラスマットを挿入介在させること が好ましい。 尚、リブ６は、セパレータシート１の中央面域ばかりでなく、全幅に亘り、即 ち、その左右両側縁に亘って配設してもよい。この場合は、その左右の両側縁部 に設けるリブは中央面域に配設されるリブに比し高さが低く且つ細幅のものがよ く、その上面にテープ状シートを重ねたとき、テープ状シートの上面が略中央面 域のリブの高さと同等になるようにすることが好ましい。When the ribs 6 are provided on the separator sheet 1, the height of the ribs 6 is, for example, 0.05 to 0.3 mm, and the pitch of the ribs 6 is about 0.5 to 3 mm. Further, when the bag-shaped separator A of the present invention is constructed from the separator sheet 1 without the ribs 6, when the bag is used, the central surface area of the inner surface of the facing surface sheets 1a and 1b facing the anode plate P to be housed. It is preferable to insert a glass mat between and. The ribs 6 may be provided not only in the central surface area of the separator sheet 1 but also over the entire width thereof, that is, the left and right edges thereof. In this case, the ribs provided on the left and right side edges are preferably lower in height and narrower than the ribs arranged in the central surface area. It is preferable that the upper surface of the tape-shaped sheet be approximately equal to the height of the ribs in the substantially central area.
【００１２】 本考案で用いるテープ状シートは、一般に、無孔性又は微多孔性の合成樹脂製 フィルムから成り、その厚さは、例えば０．０１ｍｍであり、幅は、セパレータ シート１のシール結着される両側縁の幅と同じ外側縁部の幅と袋状セパレータの 袋状空間部５内へ突出し、該陽極板の両側縁の右前後の隅角部を被覆するに足る 内側縁幅を合わせた数ミリ〜２０ミリ程度とする。The tape-like sheet used in the present invention is generally made of a non-porous or microporous synthetic resin film, the thickness of which is, for example, 0.01 mm, and the width thereof is the sealing sheet of the separator sheet 1. The width of the outer edge that is the same as the width of both side edges to be worn and the inner edge width that is sufficient to cover the right and front corners of both side edges of the anode plate that protrude into the bag-shaped space 5 of the bag-shaped separator The total length is about several millimeters to 20 millimeters.
【００１３】 本考案で用いるテープ状シートは、上記セパレータシートと同じ又は異なる材 質の無孔性又は微多孔性のＰＥ、ＰＶＣ、ＰＥＴ、弗素樹詣などの合成樹脂製フ ィルムなどの成形シート或いはポリエステル、ポリエチレンなどの合成繊維又は ガラス繊維又はこれらの混合繊維を材料とし、スパンボンド法、その他により製 造した不織布又は織布のいずれでもよい。その厚さは、セパレータシートにリブ のない場合やリブを設けた場合、或いはガラス繊維マットを介在せしめた場合を 考慮し、一般に最小０．００５ｍｍ程度とし、最大の厚さは０．５ｍｍ程度とし 、リブを有し或いはガラス繊維マットを用いる場合は、これらと略同じ高さ或い は略同じ厚さのものが選択使用される。 また、微多孔性のテープ状シートの場合は、平均孔径０．０５〜５０μ、多孔 度３０〜８０％程度のものが一般に用いられる。The tape-like sheet used in the present invention is a molded sheet of non-porous or microporous PE, PVC, PET, a film made of a synthetic resin such as fluorine resin, which is the same as or different from the above-mentioned separator sheet. Alternatively, it may be a non-woven fabric or a woven fabric made of synthetic fibers such as polyester and polyethylene, glass fibers, or a mixed fiber thereof, by a spunbond method or the like. Considering the case where the separator sheet has no ribs, the case where ribs are provided, or the case where a glass fiber mat is interposed, the minimum thickness is generally around 0.005mm, and the maximum thickness is around 0.5mm. When using a rib or a glass fiber mat, those having substantially the same height or the same thickness as those are selected and used. Further, in the case of a microporous tape-like sheet, one having an average pore size of 0.05 to 50 μm and a porosity of about 30 to 80% is generally used.
【００１４】 ２つ折りしたセパレータシート１の対向シート面１ａ，１ｂの両側縁１ｃ，１ ｃ及び１ｄ，１ｄをその夫々のテープ状シート２，３を介して互いにシール結着 するには、ギヤシール結着即ちギヤ噛み締め圧着やヒートシール、超音波などに よる溶着などによる公知のシール結着手段が用いられる。In order to seal-bond the opposite side edges 1c, 1c and 1d, 1d of the facing sheet surfaces 1a, 1b of the half-folded separator sheet 1 to each other via the respective tape-shaped sheets 2, 3, a gear seal connection is used. Well-known seal binding means such as attachment, that is, gear bite tightening pressure bonding, heat sealing, welding by ultrasonic waves, etc. is used.
【００１５】 比較試験例 次に、本考案の袋状セパレータと従来の袋状セパレータとの比較試験例を詳述 する。 ポリエチレンとシリカ粉体を主成分とした鉱物オイルにより混練したものを、 押出成形機によりリブ付きのシート状に押出成形したものを、有機溶剤の浴槽を 通過させて鉱物オイルを全部除去し、加熱乾燥して長尺の微多孔性の合成樹脂性 セパレータシートを製造し、次で、所定の寸法に裁断して多数の寸法のセパレー タシートを用意した。その各セパレータシートは、長さ２５０ｍｍ、幅１５２ｍ ｍ、ペース高さ０．２５ｍｍ、リブ高さ０．８ｍｍ、リブピッチ１０ｍｍ、その 中央面域にリブ本数１４本を有する。 別個に、下記表１に示すように、材質と厚さの異なる長さ２５０ｍｍ、幅１２ ｍｍの各種のテープ状シートを多数枚用意し、上記の各セパレータシートの１０ 枚づつにつき、その各両側縁に沿い上記の異なる種類のテープ状シート毎に貼着 した後、その夫々のテープ状シートを内側にして２つ折りし、その左右の両側部 を３ｍｍ幅でその両側部をギヤ噛み締め圧着して各種の袋状セパレータを製造し た。 次に、その上記の全ての袋状セパレータにつき、その形成された袋状空間部内 に、厚さ１ｍｍ、高さ１１５ｍｍ、幅１４２ｍｍのペースト式陽極板、例えば、 エキスパンド式の格子基板に活物質ペーストを塗布充填、乾燥して成るペースト 式陽極板を、その両側縁が袋状セパレータの袋状空間内の左右において夫々９ｍ ｍ突出したテープ状シートのテープ状内側縁部間のＶ字状凹溝スペース内に挿入 するようにして収容した。 かくして、該陽極板の両側縁部はその前後において９ｍｍ幅のテープ状シート 部で被覆された状態の陽極板容り袋状セパレータを用意した。 比較のため、テープ状シートを介在させないで、上記のセパレータシートを２ つに折り曲げ、その両側縁を前記と同様にしてシール結着して従来の袋状セパレ ータを製造し、その夫々に上記と同じ陽極板を収容した。これにより、テープ状 シートなしの陽極板容りの従来の袋状セパレータを用意した。 次に、表１に示す４種類の陽極板容りの本考案の袋状セパレータの夫々と上記 従来の陽極板容りセパレータについて、その袋状セパレータの外側の両面に陰極 板を当て常法により夫々の種類の１２Ｖ電池を組み立てた。 Comparative Test Example Next, a comparative test example of the bag-shaped separator of the present invention and the conventional bag-shaped separator will be described in detail. A kneaded mixture of polyethylene and silica powder as the main component of mineral oil, extruded into a ribbed sheet with an extruder, passed through an organic solvent bath to remove all mineral oil, and heated. A long microporous synthetic resin separator sheet was manufactured by drying and then cut into a predetermined size to prepare a separator sheet having a large number of sizes. Each of the separator sheets has a length of 250 mm, a width of 152 mm, a pace height of 0.25 mm, a rib height of 0.8 mm, a rib pitch of 10 mm, and 14 ribs in the central surface area. Separately, as shown in Table 1 below, a large number of various tape-like sheets of 250 mm in length and 12 mm in width, which differ in material and thickness, are prepared. After sticking each of the above different types of tape-shaped sheets along the edge, fold each tape-shaped sheet inward and fold it in half, and then press both sides of the left and right sides with a width of 3 mm to squeeze the gears. Various bag-shaped separators were manufactured. Next, for all of the above bag-shaped separators, a paste type anode plate having a thickness of 1 mm, a height of 115 mm and a width of 142 mm, for example, an expanded type grid substrate, was coated with an active material paste in the formed bag-shaped space. A V-shaped groove between the tape-shaped inner edges of the tape-shaped sheet in which both side edges of the paste-type anode plate are coated and dried, and the both side edges of the paste-shaped sheet are projected 9 mm on the left and right sides of the bag-shaped separator. It was housed so that it could be inserted into the space. Thus, a bag-shaped separator containing an anode plate was prepared in which both side edges of the anode plate were covered with tape-shaped sheet portions having a width of 9 mm before and after the edges. For comparison, the above separator sheet is folded in two without interposing a tape-like sheet, and both side edges thereof are sealed and bonded in the same manner as described above to manufacture conventional bag-like separators. The same anode plate as above was housed. As a result, a conventional bag-shaped separator without a tape-shaped sheet and containing an anode plate was prepared. Next, for each of the four kinds of bag-shaped separators of the present invention shown in Table 1 of the present invention and the conventional anode plate-containing separator described above, a cathode plate was applied to both outer surfaces of the bag-shaped separator by a conventional method. 12V batteries of each type were assembled.
【００１６】 このように組み立てた各種電池につき、ＪＩＳ Ｄ ５３０１−１９８６に準 じ、温度７５℃で過充電寿命試験を行った。その結果は、表１に示す通りである 。The various batteries thus assembled were subjected to an overcharge life test at a temperature of 75 ° C. according to JIS D 5301-1986. The results are shown in Table 1.
【００１７】[0017]
【表１】 [Table 1]
【００１８】 上記表１から明らかなように、本考案の袋状セパレータ試料Ｎｏ．１〜Ｎｏ． ４を用いた場合の電池の過充電寿命は、従来の袋状セパレータＮｏ．５を用いた 場合の電池のそれに比し著しく向上した。試験後、これらの袋状セパレータを調 べた所、従来の袋状セパレータには、その両側縁の一部に酸化劣化損傷が認めら れたが、本考案の全ての袋状セパレータには全く異常が見られなかった。As is clear from Table 1 above, the bag-shaped separator sample No. 1 of the present invention was used. 1-No. As for the overcharge life of the battery when using No. 4, the conventional bag-shaped separator No. It was remarkably improved as compared with that of the battery using No. 5. After the test, when these bag-shaped separators were examined, the conventional bag-shaped separators were found to have oxidative deterioration damage on part of both side edges, but all the bag-shaped separators of the present invention were completely abnormal. Was not seen.
【００１９】[0019]
このように本考案の蓄電池用袋状セパレータは、その前後の対向シート面の内 側に、袋状空間部に収容される陽極板の両側縁の外面を前後から被覆するべくテ ープ状シートを、その袋状セパレータのシール結着された両側縁から該袋状空間 部に突出せしめたので、袋状セパレータのシール結着された両側縁の強度は、増 大するばかりでなく、その内部に陽極板を収容したとき、該陽極板の両側縁は、 その前後のテープ状シートの介在によりこれに対応する袋状セパータの前後の対 向シート面と隔離され、直接接触による機械的損傷、酸化劣化から防止され、袋 状のセパレータの使用寿命が増大し、また、これを組み込んだ本考案の蓄電池の 過充電寿命の延長をもたらし、充放電の繰り返しによる電池の使用寿命の延長を もたらす等の効果を有する。 また、この場合、テープ状シートの袋状空間部内へ突出する内側縁部をその対 応する前後の対向シート面に貼着又はシール結着するときは、陽極板の上記の挿 入を円滑に行うことができる。 また、該テープ状シートを無孔又は微多孔性とすることにより、袋状セパレー タの両側の機械的強度の増大やその両側の電解液の拡散、ガスの放出を行うこと ができる。As described above, the bag-shaped separator for a storage battery of the present invention has a tape-shaped sheet on the inside of the front and rear facing sheet surfaces to cover the outer surfaces of both side edges of the anode plate housed in the bag-shaped space from the front and back. Is made to protrude from the both sides of the bag-shaped separator that are sealed and bound to the bag-shaped space, so that the strength of both sides of the bag-shaped separator that are bound and sealed is not only increased, When the anode plate is housed in the above, the both side edges of the anode plate are separated from the front and rear facing sheet surfaces of the corresponding bag-shaped separator by the interposition of the tape-like sheets before and after the anode plate, and mechanical damage due to direct contact, Oxidative deterioration is prevented, the service life of the bag-shaped separator is extended, the overcharge life of the storage battery of the present invention incorporating it is extended, and the service life of the battery is extended by repeated charging and discharging. Effect of Having. Further, in this case, when the inner edge portion of the tape-shaped sheet protruding into the bag-shaped space is attached or seal-bonded to the corresponding front and rear facing sheet surfaces, the above-mentioned insertion of the anode plate is smoothly performed. It can be carried out. Further, by making the tape-shaped sheet non-porous or microporous, it is possible to increase the mechanical strength on both sides of the bag-shaped separator, diffuse the electrolyte solution on both sides of the bag-shaped separator, and release gas.
【図１】本考案の実施の１例の蓄電池用袋状セパレータ
の斜面図である。FIG. 1 is a perspective view of a bag-shaped separator for a storage battery according to an embodiment of the present invention.
【図２】図１示の袋状セパレータの展開斜面図である。FIG. 2 is a developed perspective view of the bag-shaped separator shown in FIG.
【図３】図１示の袋状セパレータの使用状態の一部を裁
除した正面図である。FIG. 3 is a front view in which a part of a usage state of the bag-shaped separator shown in FIG. 1 is cut off.
【図４】図３のＩＶ−ＩＶ線裁断面図である。4 is a sectional view taken along line IV-IV of FIG.
Ａ 本考案の蓄電池用袋状セパレータ １ セパレータシート １ａ，１ｂ 前後の対向シート面 １ｃ，１ｃ 対向シートの一方の両側縁 １ｄ，１ｄ 対向シートの他方の両側縁 ２，３ テープ状シート ２ａ，３ａ テープ状シートの外側縁部 ２ｂ，３ｂ テープ状シートの内側縁部 ４ 袋状セパレータのシール結着された側縁 ５ 袋状空間部 ５ａ，５ｂ Ｖ字状凹溝スペース A Bag-shaped separator for storage battery of the present invention 1 Separator sheets 1a, 1b Front and rear facing sheet surfaces 1c, 1c One side edges of the facing sheet 1d, 1d Other side edges of the facing sheet 2,3 Tape sheet 2a, 3a Tape Edge 2b, 3b of tape-shaped sheet 4 inner edge of tape-shaped sheet 4 Sealed side edge of bag-shaped separator 5 Bag-shaped space 5a, 5b V-shaped groove space
【手続補正書】[Procedure amendment]
【提出日】平成６年２月２３日[Submission date] February 23, 1994
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】全文[Correction target item name] Full text
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【書類名】 明細書[Document name] Statement
【考案の名称】 蓄電池用袋状セパレータ並びに蓄電池 [Title of device] Bag-shaped separator for storage battery and storage battery
【実用新案登録請求の範囲】[Scope of utility model registration request]
【図面の簡単な説明】[Brief description of drawings]
【図１】本考案の実施の１例の蓄電池用袋状セパレータ
の斜面図である。FIG. 1 is a perspective view of a bag-shaped separator for a storage battery according to an embodiment of the present invention.
【図２】図１示の袋状セパレータの展開斜面図である。FIG. 2 is a developed perspective view of the bag-shaped separator shown in FIG.
【図３】図１示の袋状セパレータの使用状態の一部を裁
除した正面図である。FIG. 3 is a front view in which a part of a usage state of the bag-shaped separator shown in FIG. 1 is cut off.
【図４】図３のＩＶ−ＩＶ線裁断面図である。4 is a sectional view taken along line IV-IV of FIG.
【符号の説明】 Ａ 本考案の蓄電池用袋状セパレータ １ セパレータシート １ａ，１ｂ 前後の対向シート面 １ｃ，１ｃ 対向シートの一方の両側縁 １ｄ，１ｄ 対向シートの他方の両側縁 ２，３ テープ状シート ２ａ，３ａ テープ状シートの外側縁部 ２ｂ，３ｂ テープ状シートの内側縁部 ４ 袋状セパレータのシール結着された側縁 ５ 袋状空間部 ５ａ，５ｂ Ｖ字状凹溝スペース[Explanation of reference symbols] A bag-shaped separator for storage battery of the present invention 1 Separator sheets 1a, 1b Front and rear facing sheet surfaces 1c, 1c One side edges 1d, 1d of the facing sheet The other side edges of the facing sheet 2, 3 Tape shape Sheets 2a, 3a Outer edges of tape-like sheets 2b, 3b Inner edges of tape-like sheets 4 Sealed side edges of bag-like separators 5 Bag-like spaces 5a, 5b V-shaped groove spaces
Claims (3)
ータシートの内側にその前後の対向シート面の両側縁に
沿い夫々２つ折りしたテープ状シートを介入させ、該Ｕ
字状セパレータシートの前後の対向シート面の両側縁を
その左右の各前後の対向テープ状シートの外側縁部を挟
んで夫々互いにシール結着し、その内側に形成される極
板を収容するための袋状空間内にその左右の各前後の対
向テープ状シートの内側縁部を突出せしめて成る蓄電池
用袋状セパレータ。1. A U-shaped synthetic resin separator sheet that is folded in two is interleaved with two tape-shaped sheets that are folded in two along both edges of the front and rear facing sheet surfaces.
In order to accommodate the electrode plates formed inside, the both sides of the front and rear facing sheet surfaces of the letter-shaped separator sheet are sealed and bonded to each other with the outer edge portions of the front and rear facing tape-shaped sheets sandwiching the left and right sides, respectively. A bag-shaped separator for a storage battery, which is formed by projecting the inner edges of the front and rear facing tape-shaped sheets in the bag-shaped space.
介入させた前後のテープ状シートは、そのセパレータシ
ートの両側縁の内面に貼着或いはシール結着して成る請
求項１記載の蓄電池用袋状セパレータ。2. The storage battery bag according to claim 1, wherein the front and rear tape-shaped sheets intervening along both side edges of the separator sheet are attached or sealed to the inner surfaces of both side edges of the separator sheet. Shaped separator.
ある請求項１記載の蓄電池用袋状セパレータ。3. The bag-shaped separator for a storage battery according to claim 1, wherein the tape-shaped sheet is non-porous or microporous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP072134U JPH0736360U (en) | 1993-12-15 | 1993-12-15 | Storage battery bag separator and storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP072134U JPH0736360U (en) | 1993-12-15 | 1993-12-15 | Storage battery bag separator and storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0736360U true JPH0736360U (en) | 1995-07-04 |
Family
ID=13480522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP072134U Pending JPH0736360U (en) | 1993-12-15 | 1993-12-15 | Storage battery bag separator and storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736360U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003338274A (en) * | 2002-05-21 | 2003-11-28 | Matsushita Electric Ind Co Ltd | Separator for battery and lead battery using the same |
| JP2003338273A (en) * | 2002-05-21 | 2003-11-28 | Matsushita Electric Ind Co Ltd | Separator for battery and lead battery using the same |
| JP2010160956A (en) * | 2009-01-08 | 2010-07-22 | Panasonic Corp | Lead storage battery |
-
1993
- 1993-12-15 JP JP072134U patent/JPH0736360U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003338274A (en) * | 2002-05-21 | 2003-11-28 | Matsushita Electric Ind Co Ltd | Separator for battery and lead battery using the same |
| JP2003338273A (en) * | 2002-05-21 | 2003-11-28 | Matsushita Electric Ind Co Ltd | Separator for battery and lead battery using the same |
| JP4590813B2 (en) * | 2002-05-21 | 2010-12-01 | パナソニック株式会社 | Lead-acid battery separator and lead-acid battery using the same |
| JP4590814B2 (en) * | 2002-05-21 | 2010-12-01 | パナソニック株式会社 | Lead acid battery |
| JP2010160956A (en) * | 2009-01-08 | 2010-07-22 | Panasonic Corp | Lead storage battery |
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