A - Human Necessities – 23 – B
Patent
A - Human Necessities
23
B
99/102
A23B 4/09 (2006.01) A22C 21/00 (2006.01) A23B 4/06 (2006.01) A23B 4/08 (2006.01)
Patent
CA 2016939
Scalded, defeathered and eviscerated poultry is exposed to a cryogen atmosphere at a temperature of about -30°F. or below, by moving the poultry for about 5 minutes through an atmosphere created by expanding liquid cryogen to create a blizzard of cryogen snow and vapor. The skin and a part of the meat immediately therebeneath is chilled to form a soft outer crust, and the crusted poultry is equilibrated in a cold zone until the carcass reaches 40°F. or below. The crust may be created while the carcasses move along an endless belt in a freezer enclosure while fans and liquid cryogen spray nozzles create the blizzard of snow. The crusted poultry may be sprayed with water during equilibration to preserve an attractive appearance of the outer skin, or alternatively, the crusted poultry may be moved through an ice-water bath. Evaporative air chilling may also be used to initially lower the temperature of the poultry prior to the formation of the soft outer crust.
Donohue Stephen F.
Reynolds Martin M.
Liquid Carbonic Corporation
Macrae & Co.
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