Method and apparatus for producing a frozen crust on a food loaf

Details Method and apparatus for producing a frozen crust on a food loaf Method and apparatus for producing a frozen crust on a food loaf

1993-05-14

1994-10-04

Yeung, George

Food or edible material: processes, compositions, and products

Processes

With cutting, or mechanically subdividing solid material,...

62341, 165 805, 426524, A23P 100

Patent

active

053524721

ABSTRACT:
An apparatus and process are described for quickly freezing the surface of certain loaf-shaped products prior to slicing. The apparatus of the invention includes a heat exchanger having a shaped contact surface thereon. The heat exchanger is positioned to hold and support a food loaf and refrigerant is circulated continuously therethrough to provide the contact surface at a fairly constant temperature. A retractable clamp applies pressure to the opposite side of the food loaf to compress the loaf against the refrigerated contact surface and thereby accelerate the crusting cycle. After a short cycle time of between about 30 and about 90 seconds, the clamp can be retracted and the loaf can be ejected onto a slicer feed for subsequent slicing thereof. In a second embodiment, the clamp is provided as a second heat exchanger to compress the food loaf against the contact surface of the first heat exchanger while simultaneously crusting at least one of the opposing sides of the loaf.

REFERENCES:
patent: 4583375 (1986-04-01), Sasaki
patent: 4943442 (1990-07-01), Schack et al.
Brochure of InstaCool, Inc.
Brochure of Liquid Carbonic Company-Freeze Drum System.
Brochure of Liquid Carbonic Corporation-Freeze Wheel System.
One sheet insert describing a "Nitro Shield" system by Liquid Carbonic Corporation.
Brochure of Liquid Carbonic Corporation, 1990-Liquid Nitrogen Food Freezing.
Brochure of the Liquid Carbonic Corporation, 1988-Total Capability in Carbon Dioxide.

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