Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1980-12-03
1982-05-25
LeFevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429184, H01M 208
Patent
active
043317480
ABSTRACT:
The present invention comprises a battery cover that provides a sliding seal about the terminal posts of battery elements within a battery jar so that axial movement between the cover and such posts can occur when welding battery covers in place onto battery jars or during use of the battery to absorb any axial motion of the terminal posts due to plate growth.
Each opening is provided with upper and lower seals which together define a chamber between them and the outer surface of the terminal post. This chamber is connected by means of a passageway to an inlet port so that following insertion of the terminal post through the openings and through the upper and lower seals, sealant material can be inserted into that annular chamber. A complete seal will be provided about the periphery of the terminal post lying between the two seals that will allow relative movement between the cover and the terminal post. Following completion of the injection of sealant material an acid and heat resistant washer may be placed over the terminal post to protect the top of the seal area during fusion of battery connectors to the posts.
REFERENCES:
patent: 1364861 (1921-01-01), Bliss
patent: 2678962 (1954-05-01), Jensen
patent: 3228804 (1966-01-01), Weidner
patent: 3366511 (1968-01-01), Rousey
patent: 3652340 (1972-03-01), Sharpe et al.
patent: 3918993 (1975-11-01), Adderley et al.
patent: 3968022 (1976-07-01), Eng
patent: 4245014 (1981-01-01), Veit, Jr. et al.
Hardigg James S.
Turner Edward W.
Hardigg Industries Inc.
LeFevour Charles F.
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