Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed... – Blowout type
Patent
1979-01-24
1981-01-13
LeFevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
Means externally releasing internal gas pressure from closed...
Blowout type
429225, H01M 212
Patent
active
042450101
ABSTRACT:
A thinned or weakened line surrounds a portion of the cell enclosure above the acid level.
REFERENCES:
patent: 3288642 (1966-11-01), Kordesch
patent: 3401314 (1968-09-01), Steele, Jr.
patent: 3688162 (1972-08-01), Willy et al.
patent: 3741813 (1973-06-01), Bergum et al.
patent: 4056659 (1977-11-01), Spanur et al.
LeFevour Charles F.
Varta Batterie Aktiengesellschaft
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