Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1980-12-30
1982-04-20
LeFevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
429181, 429103, 429112, 174 77R, H01M 208
Patent
active
043260160
ABSTRACT:
This invention is directed toward a seal (25) for fused salt batteries (10) having a current conducting rod (19) partially within said battery and partially outside which includes a layer of compressible material (32) on the body of the current conducting rod leaving exposed the opposite ends thereof and a swaged metal sheath (33) covering and compressing the layer of material to approximately its maximum density. Optionally, a sealing glass (35) having a low coefficient of thermal expansion approximating that of the current conducting rod and the metal sheath can also be employed over the end of the rod and/or a plating (31) of a conductive metal can be provided over the end of the current conducting rod outside of the battery and/or a separate coating (28) of a different material can be deposited on the rod between the rod and the layer of compressible material. A process is also provided for forming the seal.
REFERENCES:
patent: 3472701 (1969-10-01), Selover, Jr. et al.
patent: 3645792 (1972-02-01), Hacha
patent: 3678178 (1972-07-01), Hubbauer et al.
patent: 3874929 (1975-04-01), Greatbatch
patent: 4252873 (1981-02-01), Epstein et al.
patent: 4278744 (1981-07-01), Athearn
Hacha Thomas H.
Selover, Jr. Theodore B.
Evans Larry W.
Knudsen Herbert D.
LeFevour Charles F.
Pace Salvatore P.
The Standard Oil Company
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