Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver
Patent
1987-09-28
1989-09-12
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Processes
Gas or variation of gaseous condition in receiver
141 67, 141 82, 141 11, 62 491, 53431, B65B 304, B65B 3104
Patent
active
048650889
ABSTRACT:
Containers are pressurized by adding a controlled amount of liquid cryogen to uncapped containers as they move along an assembly line to a capping station. The liquid cryogen is added to the containers in a stream from a conduit outlet. The amount of cryogen delivered is controlled by sub-cooling the liquid cryogen as it flows across a flow-control restriction in the conduit, thereby ensuring that flow across the restriction is liquid. Control is also achieved by maintaining the temperature of the cryogen delivered from the outlet low enough to avoid detrimental flashing.
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Cusick Ernest G.
Vacuum Barrier Corporation
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