High-pressure device for closing a container in a clean room
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United States of America Patent
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Issued Date -
Feb 15, 2007
app pub date -
Nov 13, 2003
filing date -
Nov 26, 2002
priority date (Note) -
Abandoned
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Abstract
The invention relates to a very compact device and to a method for closing a container by means of a rotational symmetric lifting system, which contains a working piston and a guide cylinder and is operated essentially using the same fluid that is placed inside the container while serving a process medium. The front face of the working piston forms, at least in part, the closure part of the container or is joined to the closure part in a fixed manner. Ideally, a supercritical fluid is used both as a working medium for driving the piston and as the process medium.
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