DE4110292C2 - Household appliance, such as a dishwasher, refrigerator or freezer, with an outer casing and an internal washing container or cold room - Google Patents

Description

The object of the invention relates to a household appliance, such as a dishwasher, refrigerator cupboard or freezer, with a housing, being in the space between the outside housing jacket and the internal rinsing tank or the cooling compartment a lining Plastic foam is introduced as a separately removable molded body, which with the Rinsing container or the refrigerator compartment is in a positive connection.

From US 29 39 811 is a housing insulation as thermal protection in a cooling closet known. The well-known insulation is realized by pillow-shaped moldings that are separately introduced into the spaces between the pre-assembled housing walls. The isolation tion fills the gaps almost completely, which also creates a more stable housing construction can be achieved if the molded body with the opposing Sheet metal sides of the housing spaces are intimately connected. Even with dishwashing Schinen (see DE-GM 71 36 896) is an insulating foam from the housing between rooms for noise insulation and for the realization of a self-supporting, dimensionally stable Device housing known. It is also generally known to use in dishwashers Attenuation of the flushing noises also cover the flushing containers with bitumen mats. When foaming the rinsing container and jacket, the insulating foam adheres to the Ge housing and flushing container wall parts, so that a device manufactured in this way at the end of its Le life is very difficult to recycle. This also applies to the regular Plastic-made cooling chambers of the freezers or freezers as well as those made of stainless steel manufactured dishwashing containers for dishwashers. The glued metal parts are hardly apart separate and separate from the foam. To do this, the foam must be destroyed. This Vorge Hensweise is very time consuming and costly.

The invention has for its object a household appliance of the type mentioned train that even those components that have a support, damper in the device housing Perform a thermal or thermal function, easily and quickly in a later recycling process of each other  that can be separated.

The object is achieved by the invention the features of claim 1.

An advantageous embodiment of the invention is Claim 2 can be seen.

The advantages achieved with the invention are in particular others in the recyclability of raw products. All Components such as outer housing, rinsing tank or separate Cold room and foam lining are in the process of recycling easily separable. The separated by the contours of the Zwi shaped "foam hood" from the z. B. in ge separated container (foil bag) foamed art Fabric foam can be used as an independent molded part by re can be used again because the foam is its Function as a mechanical stabilizer and as an acousti maintains thermal and thermal insulation. This molding can also use a separate shredding process subsequent recycling of the resultant Foam granules are subjected.

The description below serves to explain the Object of the invention, of which an embodiment game is shown in the drawings. It shows:

Fig. 1 a dishwashing machine in a perspective view with cutaway outer housing shell and the washing container,

Fig. 2 is a partial section "X" of FIG. 1 in the cut-housing of the dishwasher, in enlarged representation,

Fig. 3 is a molded part provided between the outer casing and the inner washing container of the dishwasher made of plastic foam.

The invention is described in more detail using the example of a household dishwasher ( 1 ), in which, as usual, the outer casing shell ( 2 ) and the internal rinsing container ( 3 ) each consist of metal. A high-quality plastic could be used as the rinsing container material, just like in a refrigerator. The following description applies equally to both types of household appliances.

Referring to FIG. 1, the dishwasher (1) is represented by spektivisch with cutaway outer housing shell (2) and the washing container (3), wherein in the intermediate space (4) between the outer housing shell (2) and the in nenliegenden washing container (3) optionally with the intermediate layer Bitumen mats on the rinsing container ( 3 ) are preferably foamed in a form-fitting lining ( 5 ) made of a white or semi-hard plastic foam.

The foaming serves on the one hand to produce a self-supporting, dimensionally stable device housing and on the other hand to dampen the flushing noises and for adequate thermal protection (see FIG. 2).

The liner (5) (Fig. 1, 2) is separately during disassembly of the unit removable and therefor in accordance with Fig. 3 as a one- or multi-part mold body (6) is formed, which at least with the outer wall parts (3 a) of the washing compartment ( 3 ) has a positive connection. This enables all components, such as outer housing ( 2 ), rinsing container ( 3 ) and plastic foam (lining 5 ), which carry out a supporting, damping or thermal function in the device housing, quickly and easily in a later recycling process to separate them from each other.

One possibility for producing a separately removable lining ( 5 ) is created in that the plastic foam in one or more between the outer casing shell ( 2 ) and the rinsing container ( 3 ) arranged fle ible film bag ( 7 ) ( Fig. 2) is foamed from plastic to form the separate molded body ( 6 ). For reasons of simple handling and the rational production method, a one-piece formation of the shaped body ( 6 ) is preferred. This Formkör by ( 6 ) follows the contours of the space ( 4 ) between the outer casing ( 2 ) and the washing container ( 3 ).

Instead of a film bag ( 7 ) as a separating aid for the plastic foam, the wall parts of the outer casing shell ( 2 ) and / or the rinsing container ( 3 ) which delimit the intermediate space ( 4 ) can also be coated or sprayed with a separating agent. Separate plastic films would also be possible as separation aids. The molded article could also be made of a non-adhesive plastic foam ( 6 ).

Claims (2)

1. Household appliance, such as a dishwasher, refrigerator or freezer, with a housing, wherein a liner made of plastic foam is introduced as a separately removable molded body in the space between the outer housing jacket and the interior washing container or the cooling space, which is with the washing container or the cooling space is in a positive connection, characterized in that the space ( 4 ) delimiting wall parts of the outer casing ( 2 ) and / or the rinsing container ( 3 ) or the cooling chamber are provided with a release agent for the plastic foam, with separate plastic as the release agent Foils are provided. 2. Household appliance according to claim 1, characterized in that the plastic foam is foamed into flexible film bags ( 7 ) arranged between the outer casing shell ( 2 ) and the rinsing container ( 3 ) or the cooling chamber form the separate shaped bodies ( 6 ), which follow the contours of the spaces ( 4 ).