Cleaning method and system

Details Cleaning method and system Cleaning method and system

1993-04-26

1995-11-28

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

With heating, cooling or heat exchange means

134107, 134108, 134109, 134200, B08B 310

Patent

active

054698766

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: 4141373 (1979-02-01), Kartanson et al.
patent: 4303454 (1981-12-01), Petterson et al.
patent: 4424633 (1984-01-01), Bernhardt
patent: 4865001 (1989-09-01), Fowler
patent: 4871416 (1987-10-01), Fukuda
patent: 4879004 (1987-11-01), Oescn et al.
patent: 5045117 (1991-09-01), Witherell
patent: 5106404 (1992-04-01), Grant
patent: 5115576 (1992-05-01), Robertson, Jr. et al.
patent: 5314509 (1994-05-01), Katu et al.

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