Fluent material handling – with receiver or receiver coacting mea – Plural materials – material supplies or charges in a receiver – Selectively utilized sources
Patent
1987-01-16
1990-05-08
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Plural materials, material supplies or charges in a receiver
Selectively utilized sources
141 63, 141 65, 141 83, 141 94, 141 98, 141105, 141107, 141114, 141314, B65B 330, B67C 302
Patent
active
049229753
ABSTRACT:
An apparatus for making mixtures of pharmaceutical liquids has a plurality of supply vessels for the mixture components. The supply vessels are connected via a tubing system to a container to be filled with the mixture. The tubing system includes a drip chamber. The container is arranged in a vacuum chamber. The vacuum chamber has a temperature sensor and a pressure sensor which are connected to a control device. For preparing the mixture, and using the law of the general gas equation, each mixture component is sequentially drawn, via the drip chamber, to the container by the vacuum in the chamber. The pressure and temperature in the vacuum chamber are monitored so that when the particular predetermined volume of one component is reached in the container, the supply vessel for that component is closed off, and the supply vessel for another component is opened.
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Cusick Ernest G.
Fresenius AG
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