Fluid handling – Destructible or deformable element controlled
Patent
1982-07-26
1984-07-03
Richman, Barry S.
Fluid handling
Destructible or deformable element controlled
206438, 220201, 220202, 220209, 422112, 422113, 422114, 422310, F16K 712
Patent
active
044573278
ABSTRACT:
A unique temperature responsive operating mechanism is disclosed which is particularly suited for embodiment as a temperature responsive valve mechanism for use with a steam sterilization container. The mechanism includes a valve operating member which is movable by the action of a biasing spring from a first, opened position to a second, closed position with respect to an opening defined by the sterilization container. The mechanism further includes a temperature responsive, heat deformable member operatively associated with the biasing spring and the valve operating member to provide progressive movement of the valve operating member from its first to its second position in response to an elevation in temperature of the environment of the operating mechanism. Desired communication is provided between the interior and exterior of the sterilization container during a substantial portion of the steam sterilization process, with the mechanism subsequently tightly sealing the container. The mechanism further functions in the nature of one-way valve to permit escape of vapor pressure from the sterilization container to assure that the contents therein are properly dried during the vacuum drying cycle of the steam sterilization process.
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Bemis Manufacturing Company
Heaney Brion P.
Richman Barry S.
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