JPH03131050U - - Google Patents

Info

Publication number
JPH03131050U
JPH03131050U JP4043590U JP4043590U JPH03131050U JP H03131050 U JPH03131050 U JP H03131050U JP 4043590 U JP4043590 U JP 4043590U JP 4043590 U JP4043590 U JP 4043590U JP H03131050 U JPH03131050 U JP H03131050U
Authority
JP
Japan
Prior art keywords
plate
metal
battery
thin plate
flexible thin
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
JP4043590U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP4043590U priority Critical patent/JPH03131050U/ja
Publication of JPH03131050U publication Critical patent/JPH03131050U/ja
Pending legal-status Critical Current

Links

Classifications

    • Y02E60/12—

Landscapes

  • Sealing Battery Cases Or Jackets (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Description

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

第１図は本考案の実施例の電池における電池の
要部を示した説明図、第２図Ａは実施例の電池に
用いる可撓性薄板の断面図、第２図Ｂはこの可撓
性薄板を構成する金属薄板の平面図、第３図Ａは
従来電池に用いる可撓性薄板の断面図、第３図Ｂ
は比較電池に用いる可撓性薄板の断面図である。 １……発電要素、２……電池缶、４……封口板
、５，９，１０……可撓性薄板、７……端子板、
８……リード板、５１，５２，９ａ，１０ａ，１
０ｂ……金属薄板、５２ａ……透孔、５３，５４
，９ｂ，９ｃ，１０ｃ，１０ｄ……樹脂層。 Fig. 1 is an explanatory diagram showing the main parts of a battery according to an embodiment of the present invention, Fig. 2A is a sectional view of a flexible thin plate used in the battery of the embodiment, and Fig. 2B is a FIG. 3A is a plan view of a metal thin plate constituting the thin plate, and FIG. 3B is a cross-sectional view of a flexible thin plate used in conventional batteries.
is a sectional view of a flexible thin plate used in a comparative battery. 1... Power generation element, 2... Battery can, 4... Sealing plate, 5, 9, 10... Flexible thin plate, 7... Terminal board,
8... Lead plate, 51, 52, 9a, 10a, 1
0b...Thin metal plate, 52a...Through hole, 53, 54
, 9b, 9c, 10c, 10d...Resin layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発電要素を収納した電池缶の開口部を、金属層
を基体とする可撓性薄板を封口板の外周折返し部
により挟持してなる封口部材により封口し、また
この封口部材の上部に、前記可撓性薄板側に向け
た切刃、及びガス抜き孔が形成された端子板を設
け、電池内圧の異常上昇により膨出した前記可撓
性薄板を前記切刃により破断する構造の筒形電池
において、前記金属層を複数枚の金属薄板を積重
して構成するとともに、これら金属薄板の少なく
とも１枚の前記切刃の対向位置に透孔を設け、且
つ少なくとも１枚を透孔なしとしたことを特徴と
する筒形電池。 The opening of the battery can housing the power generation element is sealed with a sealing member formed by sandwiching a flexible thin plate having a metal layer as a base between the outer circumferential folded portion of the sealing plate, and the above-mentioned flexible plate is placed on top of this sealing member. In a cylindrical battery having a structure in which a terminal plate is provided with a cutting blade facing toward the flexible thin plate side and a gas vent hole is formed, and the flexible thin plate that bulges due to an abnormal increase in battery internal pressure is broken by the cutting blade. , the metal layer is constructed by stacking a plurality of metal thin plates, and at least one of these metal plates has a through hole at a position opposite to the cutting edge, and at least one of the metal sheets has no through hole. A cylindrical battery featuring:
JP4043590U 1990-04-16 1990-04-16 Pending JPH03131050U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4043590U JPH03131050U (en) 1990-04-16 1990-04-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4043590U JPH03131050U (en) 1990-04-16 1990-04-16

Publications (1)

Publication Number Publication Date
JPH03131050U true JPH03131050U (en) 1991-12-27

Family

ID=31550225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4043590U Pending JPH03131050U (en) 1990-04-16 1990-04-16

Country Status (1)

Country Link
JP (1) JPH03131050U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999040637A1 (en) * 1998-02-03 1999-08-12 Toyo Kohan Co., Ltd. Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate
WO2000072388A1 (en) * 1999-05-24 2000-11-30 Toyo Kohan Co.,Ltd. Method for forming protective coating for cell safety valve device, cell safety valve device covered with protective coating, cell sealing plate comprising the same, and closed cell comprising the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999040637A1 (en) * 1998-02-03 1999-08-12 Toyo Kohan Co., Ltd. Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate
WO2000072388A1 (en) * 1999-05-24 2000-11-30 Toyo Kohan Co.,Ltd. Method for forming protective coating for cell safety valve device, cell safety valve device covered with protective coating, cell sealing plate comprising the same, and closed cell comprising the same

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