Method of making an electrochemical cell having a resealable ven

Details Method of making an electrochemical cell having a resealable ven Method of making an electrochemical cell having a resealable ven

1984-01-16

1985-08-06

LeFevour, Charles F.

Metal working

Method of mechanical manufacture

Electrical device making

220362, H01M 212

Patent

active

045327050

ABSTRACT:
A resealable vent closure for galvanic cells, such as non-aqueous oxyhalide cells, which comprises a castellated type of cap employed to compress and retain a resilient deformable member over a vent orifice in the cell's housing such that the compressed resilient deformable member will form a normally tight seal at the vent orifice which will vent and reseal after a predetermined pressure build up within the cell. The invention is also directed to a method for assembling an electrochemical cell, such as a nonaqueous oxyhalide cell, with the above-described resealable vent closure.

REFERENCES:
patent: 3398026 (1968-08-01), Andre
patent: 3415690 (1968-12-01), Richman
patent: 3664878 (1972-05-01), Amthor
patent: 4032696 (1977-06-01), Urry
patent: 4207385 (1980-06-01), Hayama
patent: 4298662 (1981-11-01), Sugalski et al.

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