Freeze drying apparatus and method
First Claim
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4. A FREEZE DRYING PROCESS COMPRISING THE STEPS OF HEATING A FROZEN PRODUCT IN AN EVACUATED CHAMBER, CAUSIN THE ICE FREEZING SAID PRODUCT TO SUBLIME, COLLECTING THE SUBLIMED WATER VAPORS ON A CONDENSER, CAUSING THE COLLECTED VAPORS TO SOLIDIFY ON SAID CONDENSER, OPENING SAID CHAMBER TO THE ATMOSPHERE ADJACENT SAID PRODUCT, ESTABLISHING A CURTAIN OF HIGH VELOCITY AIR BETWEEN SAID PRODUCT AND SAID CONDENSER, REMOVING SAID PRODUCT FROM SAID CHAMBER, AND DEFROSTING SAID CONDENSER.
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4 Claims
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4. A FREEZE DRYING PROCESS COMPRISING THE STEPS OF HEATING A FROZEN PRODUCT IN AN EVACUATED CHAMBER, CAUSIN THE ICE FREEZING SAID PRODUCT TO SUBLIME, COLLECTING THE SUBLIMED WATER VAPORS ON A CONDENSER, CAUSING THE COLLECTED VAPORS TO SOLIDIFY ON SAID CONDENSER, OPENING SAID CHAMBER TO THE ATMOSPHERE ADJACENT SAID PRODUCT, ESTABLISHING A CURTAIN OF HIGH VELOCITY AIR BETWEEN SAID PRODUCT AND SAID CONDENSER, REMOVING SAID PRODUCT FROM SAID CHAMBER, AND DEFROSTING SAID CONDENSER.
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Current AssigneeReuben K. Tyson
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Original AssigneeReuben K. Tyson
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InventorsTyson, Reuben K.
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Application NumberUS04/380,524Time in Patent Office848 DaysField of SearchUS Class Current34/292CPC Class CodesF26B 5/06 the process involving freezing
