Food or edible material: processes – compositions – and products – Direct application of electrical or wave energy to food... – Heating by electromagnetic wave
Patent
1994-03-30
1995-12-05
Scherbel, David
Food or edible material: processes, compositions, and products
Direct application of electrical or wave energy to food...
Heating by electromagnetic wave
426241, 99331, 99327, 219497, 219501, H05B 102
Patent
active
054727219
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to the general technical field of processes and devices having as their object the grilling or reheating of edible food products, by submission to infrared radiation.
The invention concerns a process for grilling and/or reheating a food product of the meat or bread type, for example, in which one subjects the food product to infrared radiation from one or several electric grilling means during a period of time T representing the total grilling cycle of the product.
The present invention also concerns a device for implementing the grilling and/or reheating process, more particularly adapted to grilling of bread products such as breads, grilled sandwiches, Viennese baked products and others. The present invention is not limited to this particular type of food products, but can be extended to grilling and/or reheating of meat based products.
PRIOR ART
Bread toasters known in the prior art are generally constituted by a heating chamber within which extend grilling and/or reheating means forming infrared radiation emission sources. In a conventional manner, infrared emission sources can be constituted of quartz bars containing a resistive wire, or steatite bars on which a resistive wire is coiled in a spiral manner. In such apparatus, the grilling process consists in exposing the bread to substantially constant infrared radiation for the entire duration of the grilling period. These standard processes imply a continuous delivery of electricity to the resistive wire starting from the closing of a main switch operated by the user, and this, during a total grilling period previously set equally by the user. Generally, the loading on the resistive wire is of the order of 4 to 9 watts per square centimeter, the temperature attained by the wire being between 800.degree. and 1000.degree. C. The temperature rise time of the resistive wire is generally of the order of 40 seconds. Conventional bread toasters functioning according to this principle do not permit variation of the quality of the grilling. In effect, constancy of the electrical supply induces an equally constant infrared radiation, only the parameters relative to the total grilling time being variable. This limitation in the regulation possibilities can be considered as a drawback, to the extent where the quality of grilling of a bread product is a function of two parameters, which is the more or less dark color of the grilled product, and its crusty structure expressed in quantity of water extracted. In conventional apparatus of the prior art, such as those described previously, it is impossible to act in separate ways on these two parameters since the possibility of regulating the apparatus is limited to regulation of total grilling time. In such a case, a reduction in the total grilling time equally leads to a reduction in the quantity of water extracted and correspondingly a light color of the grilled product. Inversely, any increase in the total grilling time is translated by a browning of the product and a drying connected to the augmentation of the quantity of water extracted. Known bread toasters of the prior art are also considered as having a temperature rise time which is too long.
SUMMARY OF THE INVENTION
The present invention seeks in consequence to remedy the problems mentioned above, and to furnish a process and apparatus for grilling and/or reheating a food product, permitting attainment of an extended range of possibilities for grilling and/or reheating.
Another object of the invention is to furnish a process and a device for grilling and/or reheating a food product in which the time of grilling and/or reheating is reduced.
A complementary object of the invention is to furnish a process for grilling and/or reheating of a food product in which the regulating possibilities offered to the user are enlarged without useless complications.
The objects assigned to the invention are achieved with the aid of a process for grilling and/or reheating a food product of the meat or bread type, for examp
REFERENCES:
patent: 4379964 (1983-04-01), Kanazawa et al.
patent: 4700052 (1987-10-01), Wolf et al.
patent: 5044262 (1991-09-01), Burkett et al.
patent: 5088389 (1992-02-01), Labadia
patent: 5324917 (1994-06-01), Boyer et al.
Eisenberg Roger
Klinger Michel
Alexander Reginald L.
Scherbel David
Seb S.A.
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