Method of making an electrochemical cell having a safety vent cl

Details Method of making an electrochemical cell having a safety vent cl Method of making an electrochemical cell having a safety vent cl

1982-02-02

1984-03-20

Crane, Daniel C.

Metal working

Method of mechanical manufacture

Electrical device making

220364, 429185, 429 53, H01M 212

Patent

active

044372310

ABSTRACT:
A safety blow-out vent closure for galvanic cells, such as nonaqueous oxyhalide cells, which comprises the employment of a conductive tubular member secured to the cell's housing and surrounding a vent orifice in the cell's housing and wherein a deformable member is force-fitted in said vent orifice and adapted to at least partially be ejected from the vent orifice upon the build up of a predetermined internal gas pressure within the cell. The invention is also directed to a method for assembling an electrochemical cell with the above-described safety vent closure.

REFERENCES:
patent: 660051 (1900-10-01), Croft
patent: 2412169 (1946-12-01), O'Neil
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: 4164070 (1979-08-01), Greatbatch et al.
patent: 4207385 (1980-06-01), Hayama

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