Cleaning method and system
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United States of America Patent
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Nov 28, 1995
Issued Date -
N/A
app pub date -
Apr 26, 1993
filing date -
Nov 5, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A closed circuit solvent cleaning method and system in which the object to be cleaned is placed in a chamber and subjected to a negative gauge pressure to remove air and other non-condensible gases, after which a solvent is introduced to the evacuated chamber and the object is cleaned. Following this, the solvent is recovered from the object and chamber and then the clean object is removed.
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