Dispensing – With discharge assistant – Insertable cartridge or removable container
Patent
1997-10-23
1999-10-19
Kashnikow, Andres
Dispensing
With discharge assistant
Insertable cartridge or removable container
222327, 222333, 2221851, B65D 8376, B65D 8578, A23G 928
Patent
active
059673818
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
THIS INVENTION relates to an improved dispensing apparatus. In particular, the invention concerns a frozen confection dispensing apparatus. The invention will be described by way of example with reference to an apparatus for dispensing a frozen soft serve confection. It should be appreciated that the apparatus of the invention may be used for dispensing other foodstuffs.
BACKGROUND OF THE INVENTION
Australian patent specification 633038 discloses a frozen confection dispensing apparatus employing a collapsible container for holding the frozen confection. The container is not self supporting and is received in a hollow casing. A bellows arrangement is under constant pressurisation and acts upon the container to dispense confection from the container. The container has an outlet which is coupled via a dispensing conduit to a dispensing valve. This apparatus includes means for tempering frozen confection in the container to transform the confection from a hard frozen condition at a first sub-freezing temperature to a soft serve condition at a higher second sub-freezing temperature. Thermal insulation is disclosed for maintaining the container at the second temperature.
With such an arrangement a dispensive valve is necessary and requires periodic cleaning. This apparatus is not particularly effective in dispensing confection having entrained solid particles such as pieces of nuts or the like. Such solids tend to adversely affect the operation of the valve. The container needs to be supported by a hollow casing and thus adds to the complexity of the apparatus. The dispensing conduit requires regular cleaning.
The pressure applied to the container by the bellows is constant and not relaxed between serves. Soft serve confection is aerated to give it a desired consistency and quality. The application of constant pressure on the container leads to loss of this aeration and overrun during dispensing. Thus results in wastage and deterioration of the iced confection.
Australian patent specification 618979 discloses another dispensing apparatus for frozen confection. The apparatus of this patent specification suffers from the same disadvantages as the apparatus of the specification just discussed. The apparatus of specification 618979 has a bellows shaped dispensing container from which the contents is dispensed via a passage terminated in a dispensing valve. The bellows shaped container does not allow all of its contents to be dispensed and wastage also occurs for this reason.
Australian patent specification 577058/94 discloses yet another apparatus for dispensing soft serve frozen confection. That apparatus employs a container having a deformable upper portion and has an integrally formed outlet from which contents within the container may be directly dispensed by application of pressure on the upper portion of the container by a plunger. The outlet is normally sealed by a cover which is removed prior to commencing a dispensing operation. Once again, the plunger functions continuously pressurise the container.
It is an object of the present invention to provide a dispensing apparatus which at least minimises some of the disadvantages referred to above.
DISCLOSURE OF THE INVENTION
According to one aspect of the invention there is provided a container from which contents may be dispensed, the container including a body, a lower wall at one end of the body, a dispensing outlet in the lower wall and a cover extending across the other end of the body spaced from the lower wall and movable between a first position adjacent the other end to a final position adjacent the one end to dispense contents from the container whereby a periphery of the cover remains in contact with an interior wall of the body as it moves between the first and the second positions.
The body may have any desired transverse cross sectional shape. The periphery of the cover conforms to that peripheral shape. It is preferred that the body be circular in transverse cross sectional shape and in which case the periphery of th
REFERENCES:
patent: 2568293 (1951-09-01), Nelson
patent: 2716385 (1955-08-01), Tarr
patent: 5069364 (1991-12-01), McGill
patent: 5620115 (1997-04-01), McGill
Kelly Damian Anthony
van Zeeland Gregory Russell
Deal David
Gregory Russell van Zeeland
Kashnikow Andres
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