Method and apparatus for sterilization

Details Method and apparatus for sterilization Method and apparatus for sterilization

1994-10-21

1996-04-09

Kilner, Christopher

Refrigeration

Processes

Deodorizing, antisepticizing or providing special atmosphere

62100, 62 64, 426320, 426524, F24F 316, A23C 300

Patent

active

055050565

ABSTRACT:
An apparatus and method for sterilizing items includes a sterilizing chamber that is evacuated. A refrigerant in liquid form expands within the evacuated chamber and rapidly reduces the temperature on the surface of any of the items within the chamber. Thereafter the temperature may rapidly return to room temperature. The rapid temperature changes effectively kill any organisms at or near the surface of any of the items within the chamber.

REFERENCES:
patent: 3150497 (1964-09-01), Beckmann
patent: 4667478 (1987-05-01), Jones, III
patent: 4976920 (1990-12-01), Jacob
patent: 5027546 (1991-07-01), Tallon
patent: 5115166 (1992-05-01), Campbell et al.
patent: 5171525 (1992-12-01), Jacob
patent: 5178829 (1993-01-01), Moulton et al.
patent: 5186893 (1993-02-01), Moulton et al.
patent: 5193350 (1993-03-01), Tallafus
patent: 5200158 (1993-04-01), Jacob
patent: 5213759 (1993-05-01), Castberg et al.
patent: 5223217 (1993-06-01), Frizziero
patent: 5254309 (1993-10-01), Felix et al.

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