Sterilizing device for a freeze-drying apparatus

Details Sterilizing device for a freeze-drying apparatus Sterilizing device for a freeze-drying apparatus

1988-02-16

1989-11-21

Wayner, William E.

Drying and gas or vapor contact with solids

Apparatus

Vacuum

34242, 414 8, 422 26, F26B 1330, B25J 100

Patent

active

048813265

ABSTRACT:
A freeze-drying apparatus includes a freeze-drying chamber; a plurality of horizontally oriented, vertically superposed and vertically displaceable shelf plates for supporting thereon receptacles containing the product to be freeze-dried; a plate shifting rod projecting into the freeze-drying chamber and being operatively connected to the shelf plates; and a drive situated externally of the freeze-drying chamber and being connected to the plate shifting rod for moving the plate shifting rod in directions into and out of the freeze-drying chamber. There is provided a sterilizing device including a sterilizing chamber adjoining the freeze-drying chamber and accommodating that length portion of the plate shifting rod which is to be introduced into the freeze-drying chamber during the plate shifting operation.

REFERENCES:
patent: 3448556 (1969-06-01), Taggart
patent: 3451189 (1969-06-01), Taggart

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