Solvent cleaning system

Details Solvent cleaning system Solvent cleaning system

1994-07-27

1996-07-23

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

With heating, cooling or heat exchange means

134107, 134108, 134902, B08B 310

Patent

active

055380255

ABSTRACT:
A improved solvent cleaning method and system which is truly a closed 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 and then the solvent is recovered from the object and chamber within the closed system before the clean object is removed.

REFERENCES:
patent: 3610260 (1971-10-01), Kearney
patent: 4601181 (1986-07-01), Privat
patent: 4865061 (1989-09-01), Fowler et al.
patent: 4879888 (1989-11-01), Suissa
patent: 4980017 (1990-12-01), Kajia
patent: 4984318 (1991-01-01), Condreau-Palau
patent: 5051135 (1991-09-01), Tanaka et al.
patent: 5056174 (1991-10-01), Hagiwara
patent: 5106404 (1992-04-01), Grant

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