Non-fouling resealable vent

Details Non-fouling resealable vent Non-fouling resealable vent

1978-04-07

1978-12-26

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Elastic, resilient or spring biasing valve means

429 82, 13751615, 220209, H01M 202, H01M 212

Patent

active

041317220

ABSTRACT:
A resealable vented battery container having a sealed casing with a plastic closure having a vent port and a recess on the outside of the closure surrounding the vent port. A metal grommet in the port has a sleeve portion extending through the port with a washer-like surface at the inner end of the sleeve and in contact with the inner surface of the closure around the vent port. A metal rivet, having a head portion at the outer side of the closure and in the closure recess and a stem portion extending through, but spaced from, the wall of the grommet sleeve portion, is upset at its inner end into contact with the grommet washer-like surface. A resilient, O-ring is gripped between the inner side of the rivet head and the bottom wall of the closure recess and expands and stretches when the pressure in the container is increased, venting the excess container pressure from the container.

REFERENCES:
patent: 3320097 (1967-05-01), Sugalski

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