Method for heat prepackaged food products using microwaves in a

Details Method for heat prepackaged food products using microwaves in a Method for heat prepackaged food products using microwaves in a

1989-06-05

1991-03-12

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055A, 219 1055E, 99451, 422 21, 426521, H05B 664

Patent

active

049994719

ABSTRACT:
In order to stabilize pre-packaged food products and simultanously sanitize the packages, the packages are treated with microwaves in a first processing zone in an atmosphere where hot air is maintained at a superatmospheric pressure. The hot hair is thermostat-regulated at a temperature slightly above that which has been set for stabilizing the food products. The packages are then transferred to a second processing zone maintained at the temperature and pressure of the first zone but free of microwaves. The packages are then transferred to a cooling zone for cooling at a predetermined cooling temperature at superatmospheric pressure. The hot and cold air in the heating and cooling zones are kept in constant motion.

REFERENCES:
patent: 3335253 (1967-08-01), Jeppson et al.
patent: 3570391 (1971-03-01), Rejler
patent: 3718082 (1973-02-01), Lipoma
patent: 3961569 (1976-06-01), Kenyon et al.
patent: 4479776 (1984-10-01), Smith
patent: 4543263 (1985-09-01), Goldhahn

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