Method of bulk washing and drying of discrete components

Details Method of bulk washing and drying of discrete components Method of bulk washing and drying of discrete components

1995-12-27

1997-11-18

Warden, Robert J.

Cleaning and liquid contact with solids

Processes

Including forming a solidified or hardened coating for cleaning

134 5, 134 21, 134 251, 134 30, 34289, B08B 300, B08B 700

Patent

active

056883331

ABSTRACT:
A method of washing and drying of discrete components in bulk, wherein the components are washed with a cleaning liquid and the wet components are dried in a freeze-drying process by bringing the wet components to a temperature below the melting point of the cleaning liquid, so that the cleaning liquid becomes a solid substance, and by evaporating the solid substance through introduction of the components and the solid substance into a space having a pressure lower than the vapour pressure of the solid substance.

REFERENCES:
patent: 3259991 (1966-07-01), Illich, Jr.
patent: 3264747 (1966-08-01), Fuentevilla
patent: 3728798 (1973-04-01), Wehrmann
patent: 3740860 (1973-06-01), Smith, Jr.
patent: 4409034 (1983-10-01), Williams
patent: 4871417 (1989-10-01), Nishizawa et al.
patent: 4962776 (1990-10-01), Liu et al.
patent: 4977688 (1990-12-01), Roberson, Jr. et al.
patent: 5505007 (1996-04-01), Raeckers

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