Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Heat treating vessel with heating means
Patent
1992-07-13
1994-02-22
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Heat treating vessel with heating means
99451, 99453, 219772, 392481, 422 22, 422905, 426244, A23C 307, A23L 3005, B01J 1912, H05B 600
Patent
active
052884716
ABSTRACT:
The method includes the steps of: preheating a selected volume of product to a temperature proximate to the maximum temperature of the treatment; irradiating the product with an alternating electromagnetic field in order to heat the product to approximately 50.degree. C.; maintaining the product at a substantially constant temperature for a set time; cooling the product to a temperature close to the packaging temperature. An apparatus for performing the above method includes a pair of facing emitting surfaces connected to the terminals of an oscillator operating below 1 GHz and set to heat the product to a maximum temperature of approximately 50.degree. C. The apparatus also includes a thermally insulated region to maintain the product at the maximum temperature of the treatment for a selected time adapted to ensure the complete destruction of the bacterial and sporal loads.
REFERENCES:
patent: 1522188 (1923-11-01), Hull
patent: 2508365 (1950-05-01), Bierwirth
patent: 2550584 (1951-04-01), Mittelmann
patent: 2576862 (1951-11-01), Smith et al.
patent: 3272636 (1966-09-01), Fehr et al.
patent: 3934042 (1976-01-01), DeStoute
patent: 4880648 (1989-11-01), Stamer
Crawford L. M.
Officine de Cartigliano S.p.A.
Warden Robert J.
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