Stoves and furnaces – Heaters – Chemical
Patent
1998-11-30
2000-09-26
Price, Carl D.
Stoves and furnaces
Heaters
Chemical
1262631, 126262, 215 111, 624573, A61J 900, F25D 308, A47G 2304
Patent
active
061230650
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a feeding bottle generally consisting of a glass bottle or bottle of some other material, provided at its opening with a teat which is screwed on by means of some suitable arrangement. Usually the contents of the feeding bottle shall be warmed and this is at present impossible since the contents in the bottle is usually heated by placing the bottle in a saucepan of hot water. Furthermore, the actual teat of the feeding bottle is generally unprotected and may become dirty before the feeding bottle is used.
SUMMARY OF THE INVENTION
The purpose of the present invention is to provide a feeding bottle wherein, prior to use, the actual teat unit is protected, and wherein the feeding bottle is provided with one or more cylindrical spaces emanating from the bottom of the bottle, said space being closed at its upper end and open at its lower end so that a heat-generating unit can be placed in the space. It is suitable for the heating unit to be attached by means of screw threading. The heating cartridge may be of any suitable type, such as a battery connected in a resistance wire that generates heat. Another method of generating heat is to utilise two different substances which generate heat when mixed. The substances may be water and calcium chloride. The actual bottle is surrounded by a sleeve longer than the bottle in order to give the bottle rigidity and to provide a space beneath the bottom of the bottle into which a teat can be inserted so that it is protected, and also some nutrient. The lower end of the bottle is then closed by some suitable form of closure.
After the contents of the bottle has been heated, it is sometimes necessary to keep the contents warm for a predetermined period of time and this is possible if the bottle as such is similar to a vacuum flask. The wall of the bottle may be designed in this way along its entire length or substantially its entire length, with exception of the part defining the cylindrical space emanating from the bottom of the bottle. The wall of the bottle may then be constructed in exactly the same way as the wall of a conventional vacuum flask. Another way of achieving the same effect is to provide the exterior of the bottle with a coating which acts like a vacuum flask. In this case the wall of the cylindrical space emanating from the bottom of the bottle shall be free from coating.
According to a preferred embodiment of a feeding bottle in the form of a vacuum flask, it may consist of a tubular part designed in the same manner as the wall of a conventional vacuum flask. This tubular part is closed at the top and bottom. The bottom of the bottle thus consists of a separate unit and the cylindrical space that must exist within the bottle and which shall provide space for the means to heat the contents of the bottle, emanates therefrom.
BRIEF DESCRIPTION OF THE DRAWINGS
The actual closure of the bottle is such that is can be provided at its upper end with a sealing disc or a teat, as desired. The present invention will be described in more detail with reference to the accompanying drawings in which
FIG. 1 shows a feeding bottle prior to use, which means that the bottle is closed at its upper end,
FIG. 2 shows the same feeding bottle where a sealing disc has been replaced with a teat,
FIG. 3 shows a heating unit,
FIG. 4 shows the feeding bottle according to FIG. 2 further developed so that it is similar to a vacuum flask,
FIG. 5 shows a longitudinal section through the upper part of the feeding bottle according to FIG. 4,
FIG. 6 shows a longitudinal section through the bottom part of the feeding bottle according to FIG. 4, and
FIG. 7 shows a longitudinal section through the bottom part of the feeding bottle with a teat in the storage space.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
The drawings show a feeding bottle 1, suitably made of plastic, but it may of course be made of glass. The bottle 1 is provided at its upper end or neck 7 with a closure 10, suitably utilising screw threading, where the end
REFERENCES:
patent: 5180071 (1993-01-01), Crosson
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