Dispensing – With discharge assistant – Fluid pressure
Patent
1990-09-07
1992-06-16
Huppert, Michael S.
Dispensing
With discharge assistant
Fluid pressure
220203, 220366, 137467, B65D 8300
Patent
active
051218585
ABSTRACT:
A pressure relief system for a pressurized container having an aperture comprising a closure member adapted for insertion into the aperture. The closure member has a bottom wall and peripheral side walls and a seal adapted to engage and seal the edges of the aperture. The peripheral side walls are formed with a first set of radially outwardly extending projections adapted to engage with the edges of the aperture to hold the seal of the closure member into sealable engagement over the aperture. A second set of radially outwardly extending projections are also provided below the first set adapted to engage with the aperture edge to hold the closure member within the aperture when the first set of projections are forced out of engagement with the aperture edge due to a build up of excess pressure in the pressurized container whereby the seals are released from the aperture edge to vent pressure. A tool is also disclosed capable of forming the necessary first and second sets of projections in a single step.
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Bomberg Kenneth
Huppert Michael S.
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