Dispensing – Resilient wall – Supply container delivering to receiving chamber
Patent
1993-12-13
1995-08-08
Kashnikow, Andres
Dispensing
Resilient wall
Supply container delivering to receiving chamber
222213, B65D 3700
Patent
active
054391466
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention relates to a dispensing device for flowing substances.
There is a great need of efficient dispensing devices for various different types of flowing substances. Food products, such as mustard, ketchup, dressings and so on within the restaurant and kiosk business, cream, butter creams, jams and so on within the bakery business, liquid soap and other cleaning products and so on, may be mentioned as examples. The dispensing devices known are affected by drawbacks with respect to the valve arrangement for regulating flow of substance and the operating means for the valve arrangement. More exactly one problem resides in obtaining an acceptable compromise with respect to tightness in closed position and easiness with respect to the power required for dispensing, i.e. the power or force required for deforming the flexible tube and operating the valve arrangement. It is namely here assumed that operating the valve arrangement and by that controlling the very dispensing is carried out by the operator pressing the flexible tube together by his hand. An additional problem of known constructions of the valve arrangement is that they are not particularly well suited for such situations in which there is always an overpressure in a conduit or container upstream of the flexible tube generated by a pump controlled by means of a pressure sensor.
The handling now used for food products of additive character for the food industry, e.g. bakeries etc., and the restaurant business is affected by several deficiencies. Thus, it is today usual that the containers containing the food product in question are located in a position at room temperature for hours, or days, or even weeks before the content of the containers has been consumed. Furthermore, such considerable lengths of time also often pass between thoroughly cleaning of the containers and the dispensing devices used. Such extended dwell times of food products at room temperature give rise to a rapid increase of micro organisms harmful to humans. It is true that attempts are made to reduce this increase by admixing considerable quantities of pesticides against the micro organisms in question to food products in question. However, it is today a nearly unanimous opinion within the staff of medical researchers within this field that such pesticides are considerably more harmful to the human organism than expected before. When the content of pesticides is reduced or such means are totally eliminated, an even more rapid increase of micro organisms is created.
BRIEF SUMMARY OF THE INVENTION
The object of the present invention is to provide means to remedy to the problems and deficiencies discussed above. The invention is with respect to the dispensing device characterized by a valve arrangement consisting of two or more valve parts adapted to each other for reliable closing and opening whereby a comparatively reduced power consumption for the opening function is achieved, if the valve parts during opening move at least partially or more in a greater degree laterally with respect to the flowing direction of the substances.
A dispensing arrangement comprising such a dispensing device is primarily characterized in that a cooling device for cooling the conduit and thereby the substance located therein is arranged along at least a part of the conduit between the dispensing device and the substance container. Unacceptable conditions for the food substance are thereby reduced to a maximum extent, and in connection therewith a further cooling device may be provided for the substance container and integrated with the container or adapted for application thereon or constructed as a room receiving the container, e.g. a refrigerator. Such a construction means that a maximum portion of the substance in the dispensing arrangement is kept cooled. In spite of the possibility that the container is placed at a considerable distance from the dispensing place, i.e. the conduit has a very great length, unacceptable degeneration of the food substance may b
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Derakshani Philippe
Kashnikow Andres
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