JPS5717559A - Gasket for small sealed battery and its manufacture - Google Patents

Gasket for small sealed battery and its manufacture

Info

Publication number
JPS5717559A
JPS5717559A JP9285680A JP9285680A JPS5717559A JP S5717559 A JPS5717559 A JP S5717559A JP 9285680 A JP9285680 A JP 9285680A JP 9285680 A JP9285680 A JP 9285680A JP S5717559 A JPS5717559 A JP S5717559A
Authority
JP
Japan
Prior art keywords
gasket
sealed battery
cylindrical
injection molding
small sealed
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
JP9285680A
Other languages
Japanese (ja)
Inventor
Toshinori Masaki
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP9285680A priority Critical patent/JPS5717559A/en
Publication of JPS5717559A publication Critical patent/JPS5717559A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/171—Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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 increase the liquid-leakage resistance of a small sealed battery by forming a cylindrical gasket with a closed bottom through injection molding before an opening is provided in the bottom, and by making the flat and the cylindrical surfaces of the gasket smooth. CONSTITUTION:A positive mixture 2 made of silver oxide or the like, a separator 6, and a negative mixture 5 made of zinc or the like are placed in a positive can 1. After that, a negative can 4 is placed on the mixture 5, with a gasket 3 interposed between the can 1 and the can 4, to hermetically seal the battery, thus a small sealed battery being constituted. Here, the whole surfaces of the flat and the cylindrical parts of the gasket 3 and a gasket 31 are made smooth. The gasket 31, which has a cylindrical shape with a closed bottom, is formed by injection molding before the bottom is provided with an opening by means of cutters A and A'. It is preferable that a gate B which is used during the former injection molding and is provided at the bottom of the gasket 31, and a resin reservoir are removed during the former punching work.
JP9285680A 1980-07-08 1980-07-08 Gasket for small sealed battery and its manufacture Pending JPS5717559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9285680A JPS5717559A (en) 1980-07-08 1980-07-08 Gasket for small sealed battery and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9285680A JPS5717559A (en) 1980-07-08 1980-07-08 Gasket for small sealed battery and its manufacture

Publications (1)

Publication Number Publication Date
JPS5717559A true JPS5717559A (en) 1982-01-29

Family

ID=14066066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9285680A Pending JPS5717559A (en) 1980-07-08 1980-07-08 Gasket for small sealed battery and its manufacture

Country Status (1)

Country Link
JP (1) JPS5717559A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62109100U (en) * 1985-12-25 1987-07-11
JPS6455900U (en) * 1987-09-30 1989-04-06
FR2737939A1 (en) * 1995-08-04 1997-02-21 Sanyo Electric Co SEAL FOR A BATTERY AND METHOD OF MANUFACTURING SUCH A SEAL

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62109100U (en) * 1985-12-25 1987-07-11
JPS6455900U (en) * 1987-09-30 1989-04-06
FR2737939A1 (en) * 1995-08-04 1997-02-21 Sanyo Electric Co SEAL FOR A BATTERY AND METHOD OF MANUFACTURING SUCH A SEAL

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