Special receptacle or package – For mixing – Tear strip or piercer
Patent
1989-01-20
1990-10-16
Sewell, Paul T.
Special receptacle or package
For mixing
Tear strip or piercer
215DIG8, B65D 2304
Patent
active
049628534
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a multiple-compartment container for pourable substances, particularly liquids, in which the interior spaces of a first and a second container portion are separated from one another by at least one foil, and a device is provided for severing the foil.
Containers for liquids and also other pourable substances such as powders and granules, which make it possible to preserve a plurality of substances separately and in which the substances can be mixed shortly before use are known.
BACKGROUND OF THE INVENTION
One of the known multiple-compartment containers (DE-GM 77 07 618) consists of two cells which are arranged one above the other and are connected with one another so as to be detachable, and which can be displaced relative to one another and are kept at a distance from one another in such a way that a foil separating their interior spaces from one another can be severed by reducing the distance between the cells. The distance can be reduced by rotation if the cells are provided with a thread according to a development of the known multiple-compartment container. However, this known multiple-compartment container is quite costly to produce.
Another known multiple-compartment container (EP-PS No. 0 101 594) consists of a one-piece base container and a one-piece top container which are separated from one another by means of a separating foil. The base container is deformable a punching tool is provided therewhich is adapted to the cross section of the container and which penetrates the separating foil when the base container is deformed. In this known multiple-compartment container, a relatively high force is required for penetrating the separating foil.
SUMMARY OF THE INVENTION
The object of the invention is to provide a multiple-compartment container which can be produced at low cost and is simple to fill and easy to handle when mixing and applying the substances.
The multiple-compartment container according to the invention is characterized in that a spindle is provided in the first container portion, a device for severing being supported on the spindle so as to be rotatable, and a rotatable activating device is connected with the device for severing for joint rotation therewith.
The multiple-compartment container according to the invention is suitable for receiving various pourable substances. A preferred application consists in the packaging of hair dye compositions, wherein a peroxide solution is kept in the first container portion and a dyeing substance is kept in the second container portion.
A further development of the multiple-compartment container, according to the invention, consists in that the activating device and the severing device are axially displaceable relative to one another and in that the activating device is secured against axial displacement. Accordingly, the handling of the multiple-compartment container according to the invention is further improved.
Advantageous constructions of the multiple-compartment container according to the invention consist in that the activating device comprises an annular portion which partially encloses the first container portion and is constructed as an upright ring.
Additional advantageous constructions relate to a support and the connection of the activating device with the severing device. Thus, the activating device comprises a pivot which is supported in an axially extending bore of the spindle and its end which faces the interior space of the first container portion, is constructed as a driver for the severing device. It is advantageous that the pivot be provided with a circumferentially extending flange which, together with a circumferentially extending groove in the bore, forms an axial protection of the activating device.
At least one sealing ring can be provided at the spindle for sealing the interior space of the first container portion.
In order to achieve severing of the foil relatively brief rotation, it is provided, according to another development of the invention, that the spindl
REFERENCES:
patent: 4247001 (1981-01-01), Wiegner
patent: 4757916 (1988-07-01), Goncalves
patent: 4781484 (1988-11-01), Goncalves
patent: 4801009 (1989-01-01), Amos
Ackun Jr. Jacob K.
Sewell Paul T.
Striker Michael J.
Wella Aktiengesellschaft
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