Method for surface crust freezing of food product
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United States of America Patent
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Sep 15, 2009
Grant Date -
Aug 4, 2005
app pub date -
Mar 28, 2005
filing date -
Aug 16, 2002
priority date (Note) -
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Abstract
An apparatus and method for surface crust freezing of a food product utilizes a refrigeration shell enclosing a freezing chamber, the freezing chamber having a cavity shaped to substantially accommodate the shape of the exterior surface of the food product; the cavity communicating with the refrigeration shell; a transport substrate to carry the food product into the freezing chamber; a cryogen supply; and a gas circulation device in the refrigeration shell in communication with the cryogen supply to introduce a cooling flow of gas containing cryogen into the cavity so as to contact the food product along its exterior surface.
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