Cleaning and liquid contact with solids – Apparatus – With heating – cooling or heat exchange means
Patent
1994-08-17
1996-06-18
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
With heating, cooling or heat exchange means
134111, 134200, 134147, 2104935, 210314, B08B 310
Patent
active
055268340
ABSTRACT:
An apparatus for precision cleaning with carbon dioxide includes a pressure vessel having a removable cleaning drum with a sanitized work zone. The sanitized work zone is defined by an impermeable drum body having a removable exit filter to ensure that circulating cleaning fluid does not redeposit contaminants on the parts. The carbon dioxide is maintained in liquid form in the storage vessel, raised above its critical temperature by the preheater, pumped into the pressure vessel to achieve critical pressure, circulated through the work zone for a predetermined period of time, and removed through the let-down valve.
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Metalonis John A.
Mielnik Richard J.
Reber Richard K.
Rosio Larry R.
Shore Stephen H.
Snap-Tite, Inc.
Stinson Frankie L.
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