Cleaning method and system

Details Cleaning method and system Cleaning method and system

1991-11-05

1993-08-31

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Including use of vacuum, suction, or inert atmosphere

134 11, B08B 310, B08B 504

Patent

active

052405079

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.

REFERENCES:
patent: 4303454 (1981-12-01), Petterson et al.
patent: 5045117 (1991-09-01), Witherell
patent: 5115576 (1992-05-01), Roberson, Jr. et al.

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