Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Patent
1998-06-25
2000-12-12
Stinson, Frankie L.
Cleaning and liquid contact with solids
Processes
Including regeneration, purification, recovery or separation...
134 24, 134 34, 134182, 134186, 134902, B08B 304, B08B 704
Patent
active
061593036
ABSTRACT:
A liquid displacement apparatus comprises a processing tank for placing a target object in its inside, a supply unit for supplying at least pure water into the processing tank from a lower part thereof, in which the pure water is drained by overflow from an upper part of the processing tank, and a drain unit disposed in the upper part of the processing tank for partially increasing a flow rate of the pure water in the processing tank.
REFERENCES:
patent: 5673713 (1997-10-01), Han
patent: 5743280 (1998-04-01), Han
patent: 5879464 (1999-03-01), Denzler et al.
Nadahara Soichi
Okumura Katsuya
Chaudhry Saud
Kabushiki Kaisha Toshiba
Stinson Frankie L.
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