Method for sealing a rechargable cell

Details Method for sealing a rechargable cell Method for sealing a rechargable cell

1983-06-17

1985-06-18

Lefevour, Charles F.

Metal working

Method of mechanical manufacture

Electrical device making

429174, 429184, H01M 600

Patent

active

045233764

ABSTRACT:
An electrochemical cell and method of making same are provided wherein the electrochemical cell includes a radial sealing function effected by the combination of a seal comprised of an amorphous polymer and a cell container wall having a stiffening rib on one axial side of the seal and a lip on the other side of the seal wherein the rib and the lip eliminate springback of the container wall upon removal of the external radial force establishing the compressive sealing forces.

REFERENCES:
patent: 3062910 (1962-11-01), Schenk, Jr.
patent: 3185595 (1965-05-01), Schenk, Jr.
patent: 3262819 (1966-07-01), Belove
patent: 4063902 (1977-12-01), Heinz, Jr.
patent: 4110518 (1978-08-01), Gilmour et al.
patent: 4332867 (1982-06-01), Tsuda et al.
patent: 4345611 (1982-08-01), Ikeda et al.
patent: 4437231 (1984-03-01), Zupanin

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