Solvent cleaning system

Details Solvent cleaning system Solvent cleaning system

1996-05-13

1999-12-21

Stinson, Frankie L.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 12, 68 18R, B08B 310

Patent

active

060044039

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.

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patent: 4459831 (1984-07-01), Grandi
patent: 4581133 (1986-04-01), Tomes
patent: 4637232 (1987-01-01), Zucchini
patent: 4813247 (1989-03-01), Takeda
patent: 4865061 (1989-09-01), Fowler et al.
patent: 4879888 (1989-11-01), Suissa
patent: 4984318 (1991-01-01), Palau
patent: 5056174 (1991-10-01), Hagiwara
patent: 5106404 (1992-04-01), Grant

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