Dispensing – With discharge assistant – Fluid pressure
Patent
1989-06-07
1991-02-19
Kashnikow, Andres
Dispensing
With discharge assistant
Fluid pressure
222397, 137852, 137859, 220209, 220DIG27, B65D 8300
Patent
active
049936026
ABSTRACT:
A pressure relief device is provided for pressurized containers to relieve excessive pressures from the container. The device includes a base mounted in one wall of the container. The base has a hole which is normally sealed by a sealing membrane, which is held in place by a sealing washer, an elastomeric element and a retention washer mounted within the cavity of the base. The elastomeric element allows the sealing membrane to yield from the hole when the pressure within the container increases to a predetermined cracking pressure, thereby providing communication between the interior of the container and the atmosphere for releasing pressure from the container. The pressure relief device can be assembled for various cracking pressures due to the elastomeric compression element.
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Huson Gregory L.
Kashnikow Andres
PRD, Inc.
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