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US 4,148,619 AGranted
Flask and mechanical aerator
OwnerDaniel H. Deutschinventor
Life of this patent
Estimating the term…
Abstract
An aerator for use in the neck of a flask for increasing the flow of gas from the exterior to the interior of the flask. The aerator has a gas-impervious exterior wall a plurality of gas moving members are positioned within the wall and tend to urge gas through the aerator.
Claims10
An apparatus for moving gas downwardly into the neck of a shaking flask, said apparatus comprising:
- a shaking flask having a neck portion;
- an aerator supported in the neck of said flask, said aerator having a gas-impervious exterior wall having an opening at the upper and lower ends thereof;
- and
- at least one free-swinging, hingedly-supported, downwardly-depending member affixed within said wall, whereby the shaking of the flask causes the member to swing back and forth resulting in a fanning action thus moving gas downwardly through the openings in the wall.
1 more element
Dependencies are inferred from the claim text.