Stoves and furnaces – Combustion engine-heated cooking stoves – oven or heating...
Patent
1997-06-19
1999-03-09
Dority, Carroll B.
Stoves and furnaces
Combustion engine-heated cooking stoves, oven or heating...
126 39M, 126273R, A21B 100
Patent
active
058787380
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a disposable device for protecting the interior of domestic ovens from encrustations due to projections of grease and sauce.
BACKGROUND OF THE INVENTION
Dealing with the interior of domestic ovens remains a major problem in most kitchens, despite certain devices used by manufacturers, such as cleaning by pyrolysis which requires a considerable expenditure of energy, catalytic elements on the walls, which rapidly deteriorate, or for conventional ovens, the use of chemical degreasing agents with numerous drawbacks; progressive damage to the walls due to corrosion arising from acids, the risk of burns and intoxication, bad odors, etc.
The state of the art can be defined by the following documents. disposable metallic sheets covering the side walls with permanent magnets.
The provided protection is highly insufficiently because only the side walls of the oven are protected. The bottom of the oven, which is the least accessible, or at the lower level, where the cooking liquids collect, the walls are absent and only insufficiently partially protect the oven. Moreover, the use of magnets for the securement is both costly and not to be recommended in an oven for cooking foodstuffs, all the more so when heating is by electrical resistance, which can give rise to parasitic currents of magnetic origin.
U.S. Pat. No. 1,158,782 and Belgian 904.275 relate to devices for the internal protection of ovens. These latter, contrary to the above document in the prior art, provide devices each having a parallelepipedal shape, whose front wall has been eliminated to permit the insertion of foodstuffs into the oven with each protective device, itself being inserted in the oven.
The protection is very good with these protective devices; nevertheless, too great a confinement of the food-stuffs can lead to bad cooking of the latter.
SUMMARY OF THE INVENTION
The present invention removes the necessary to choose between good protection of the oven or good cooking of the food.
To this end, the invention relates to a disposable device for the internal protection of domestic ovens constituted by a bendable housing, characterized by the fact that the housing is constituted by four walls, which is to say a lower wall, two side walls and a rear wall, and a non-spill flange which constitutes the lower portion of a front wall.
In a first embodiment, the housing is of a single piece.
In a second embodiment, the housing is in two parts, a first part constituting the two lateral walls and the rear wall, and a second part constituting the lower wall and the non-spill flange.
According to this second embodiment, the second portion is constituted by a tray, whose bottom serves as the lower wall, and of which one of the edges serves as the non-spill flange.
Moreover, the first portion is constituted by three walls secured to each other.
No matter what the embodiment, the housing and hence the walls are constituted by aluminum sheets.
On the one hand, the housing and hence the walls are constituted of cloth and/or paper. On the other hand, each wall comprises a core constituted by a frame.
The lateral walls comprise horizontal grooves, each groove of one of the walls being at the same level as a groove of another wall, such that at least one of the grills of the oven can be emplaced in the grooves.
The rear wall comprises holes for the passage of air by convection.
Each hole gives on an H-shaped cutout, which creates two ribs whose deformations constitute an air projection nozzle.
The device comprises three convective air inlets, from above the rear plate, from the front, which is to say from above the non-spill flange, and through the holes of the rear wall, and also comprises at least one air aspiration means.
The aspiration of the air is ensured by a grill-filter present at the level of the rear wall.
According to a modification, the grill-filter comprises a grill with overhangs, which prevents the liquids from running down the external surface of the rear wall.
The housing comprises a
REFERENCES:
patent: 3036192 (1962-05-01), Fry
patent: 3151608 (1964-10-01), Hurko
patent: 3159156 (1964-12-01), Incledon
patent: 3192917 (1965-07-01), Baert
patent: 3207148 (1965-09-01), Marinace
patent: 4778968 (1988-10-01), Torres
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