Refrigeration – Compartment access or use and air blocking – Including article conveyer or transporter
Patent
1990-12-14
1993-11-09
Bennett, Henry A.
Refrigeration
Compartment access or use and air blocking
Including article conveyer or transporter
62 64, 62 65, 62265, 62374, F25D 2302, F25D 1702
Patent
active
052592120
ABSTRACT:
A trap or seal system for effecting an air impervious seal for a food freezer, such as a cryogenic or mechanical freezer. The seal system includes a barrier forming a vapor-impervious partition and which has its bottom extending into a cryogenic bath. A conveyor system is used to transport articles through the cryogenic bath to a downstream cryogenic freezer. The combination of the barrier extending into the cryogenic bath forms an effective seal to prevent air infiltration into the cryogenic freezer.
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Bennett Henry A.
Kilner Christopher B.
Liquid Carbonic Corporation
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