High pressure press, method for operating a high pressure press and use of such a press
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United States of America Patent
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Aug 29, 2006
Grant Date -
Apr 22, 2004
app pub date -
Nov 7, 2001
filing date -
Nov 9, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A high pressure press for treatment of substances such as food includes a floating piston in a pressure chamber, with seals. The floating piston has drainage system for collecting any pressure fluid that leaks past a seal of the floating piston. The drainage system includes a pressure reducer arranged inside the floating piston. The drainage system also includes an elastometic pad which is so arranged as to supply an underpressure to a space where pressure fluid leaking past a seal may collect. Collected pressure fluid is returned to the pressure chamber later in the cycle.
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