Seal construction for primary cells

Details Seal construction for primary cells Seal construction for primary cells

1977-04-04

1978-11-07

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Blowout type

429171, 429185, H01M 200, H01M 212

Patent

active

041247388

ABSTRACT:
The cell cup of a primary element has a turned-over (crimped) rim engaging the underside of a synthetic plastic sealing member. The cell rim is turned over to between 140.degree. and 190.degree. and is engaged by the underside of the sealing member to the extent of 50 to 100.degree.. The end of the crimped rim abuts against a protrusion from the sealing member.

REFERENCES:
patent: 2444872 (1948-07-01), Deibel
patent: 2463454 (1949-03-01), Birdsall
patent: 2611793 (1952-09-01), Simpson
patent: 3016414 (1962-01-01), Priebe
patent: 3219488 (1965-11-01), Southworth, Jr.
patent: 3802923 (1974-04-01), Spanur
patent: 3861962 (1975-01-01), Harada et al.

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