SEALED-LEAD ACID BATTERY

PURPOSE:To obtain a sealed lead-acid battery equipped with a vent whose water vapor permeability is low by forming the cap-shaped vent plug in double structure whose inside, in contact with a cylindrical opening, is made of chloroprene rubber and outside is made of butyl rubber. CONSTITUTION:A seale...

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Main Authors KIBE TETSUICHIROU, INOUE TOSHIHIRO, TSUCHIYA SATOMI
Format Patent
LanguageEnglish
Published 25.04.1991
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Abstract PURPOSE:To obtain a sealed lead-acid battery equipped with a vent whose water vapor permeability is low by forming the cap-shaped vent plug in double structure whose inside, in contact with a cylindrical opening, is made of chloroprene rubber and outside is made of butyl rubber. CONSTITUTION:A sealed lead-acid battery is equipped with a vent plug having double structure whose inside, in contact with an exhaust hole, is made of chloroprene rubber 1 and outside is made of butyl rubber. 50% or more of the whole vent plug thickness is preferably occupied with the layer of the chloroprene rubber 1. The vent plug having high reactive elasticity, oil resistance, and acid resistance of chloroprene rubber 1 and low moisture permeability of butyl rubber 2 can be obtained. The sealed lead-acid battery having low water vapor permeability and low self-discharge rate is obtained.
AbstractList PURPOSE:To obtain a sealed lead-acid battery equipped with a vent whose water vapor permeability is low by forming the cap-shaped vent plug in double structure whose inside, in contact with a cylindrical opening, is made of chloroprene rubber and outside is made of butyl rubber. CONSTITUTION:A sealed lead-acid battery is equipped with a vent plug having double structure whose inside, in contact with an exhaust hole, is made of chloroprene rubber 1 and outside is made of butyl rubber. 50% or more of the whole vent plug thickness is preferably occupied with the layer of the chloroprene rubber 1. The vent plug having high reactive elasticity, oil resistance, and acid resistance of chloroprene rubber 1 and low moisture permeability of butyl rubber 2 can be obtained. The sealed lead-acid battery having low water vapor permeability and low self-discharge rate is obtained.
Author KIBE TETSUICHIROU
TSUCHIYA SATOMI
INOUE TOSHIHIRO
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RelatedCompanies MATSUSHITA ELECTRIC IND CO LTD
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Snippet PURPOSE:To obtain a sealed lead-acid battery equipped with a vent whose water vapor permeability is low by forming the cap-shaped vent plug in double structure...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title SEALED-LEAD ACID BATTERY
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