EP3863489A1 - Haushaltsgerät, verfahren zum herstellen eines haushaltsgeräts und verfahren zum demontieren eines haushaltsgeräts - Google Patents
Haushaltsgerät, verfahren zum herstellen eines haushaltsgeräts und verfahren zum demontieren eines haushaltsgerätsInfo
- Publication number
- EP3863489A1 EP3863489A1 EP19779884.6A EP19779884A EP3863489A1 EP 3863489 A1 EP3863489 A1 EP 3863489A1 EP 19779884 A EP19779884 A EP 19779884A EP 3863489 A1 EP3863489 A1 EP 3863489A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulation element
- container
- insulation
- functional
- household appliance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000009413 insulation Methods 0.000 claims abstract description 299
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- 229920003023 plastic Polymers 0.000 claims abstract description 41
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 230000001066 destructive effect Effects 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims description 103
- 238000002955 isolation Methods 0.000 claims description 15
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 10
- 230000006378 damage Effects 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000004851 dishwashing Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 33
- 239000000853 adhesive Substances 0.000 description 12
- 239000010426 asphalt Substances 0.000 description 10
- 238000004064 recycling Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000004049 embossing Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004001 molecular interaction Effects 0.000 description 1
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- 229920006255 plastic film Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4209—Insulation arrangements, e.g. for sound damping or heat insulation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4246—Details of the tub
Definitions
- Household appliance method of manufacturing a household appliance and method of dismantling a household appliance
- the present invention relates to a household appliance, in particular a
- Household appliance and a method for dismantling such a household appliance.
- Bitumen mats can be applied to the outside of the washing tub for acoustic insulation of a washing tub of a household dishwasher. These bitumen mats can, for example, be glued onto the outside of the washing container with the aid of a hot melt adhesive. Such bitumen mats, however, have a high heat absorption capacity and conduct the absorbed heat away from the washing container. If the proportion of the surface of the washing compartment covered with the bitumen mats is reduced, the energy consumption of the household dishwasher can be reduced. However, this reduction in the area covered with the bitumen mats has the consequence that the noise emission of the household dishwasher increases.
- the publication DE 20 2012 103 799 U1 discloses a sound-absorbing sandwich plate, which can be used to suppress the noise in a household dishwasher.
- the sandwich panel has a first layer for sound insulation and a second layer for noise reduction and / or thermal insulation.
- Sandwich plate is manufactured as a prefabricated component and can, for example, be glued to a washing container of a household dishwasher.
- the document DE 10 2010 031 484 A1 discloses a household dishwasher with at least one component which is provided with a bitumen mat for noise reduction and / or soundproofing of the component, the bitumen mat being glued to the component by means of at least one adhesive layer made of a reactive cured bituminous mixture.
- the publication DE 10 2011 077 734 A1 discloses a household dishwasher, the household dishwasher comprising a container with a wall for receiving goods to be processed, and at least one of these Walls on the outside is assigned at least one layer made of an insulating material.
- the household dishwasher is designed in such a way that at least one molded body is interposed between the respective wall and the respective insulated layer, which has a negative relief of beads, embossments or similar inserts or similar on the respective fixed or movable wall on a side facing the washing container Has formations.
- EP 3 092 935 A1 discloses an arrangement for the thermal and acoustic insulation of a receiving area of a household dishwasher.
- the arrangement comprises a first insulation element for thermal insulation of the
- Recording area and a second insulation element for acoustically isolating the receiving area wherein the first insulation element is arranged between the receiving area and the second insulation element and wherein the first insulation element is directly foamed onto the receiving area.
- a household appliance in particular a domestic dishwasher, with a functional container, in particular a washing container, and an insulation arrangement provided on the outside of the functional container, in particular a washing container, for thermal and / or acoustic insulation of the functional container, in particular a washing container, is proposed, the insulation arrangement having an insulation element and wherein the insulation element is made in one piece from a plastic material, which preferably has adhesive properties in a cured and / or cross-linked state, so that the insulation element with a
- Functional container in particular flushing container, adheres and can be separated from it without destroying it.
- plastic material itself preferably has adhesive properties can be used in the manufacture of the household appliance, in particular the
- Household dishwasher on a process step of applying a Adhesive or an adhesive layer on the insulation element and / or the functional container, in particular rinsing container, are dispensed with.
- the household appliance in particular the household dishwasher, can be manufactured more cost-effectively.
- Rinsing container is separable, after the end of the service life of the household appliance, in particular the domestic dishwasher, the insulation arrangement can simply be separated from the functional container, in particular the washing container, and both components can be fed to a material cycle without or with minimal contamination.
- the insulation element is preferably made continuously from the plastic material.
- “one-piece material” means that the insulation element has only one
- the functional container in particular the rinsing container, is in particular cuboid and comprises a bottom, a rear wall, a ceiling, two opposite side walls and a door.
- the insulation arrangement can be provided on the rear wall, the ceiling, the side walls and / or on the door.
- Insulation arrangement can also be provided on the floor.
- the insulation element can also be referred to as the first insulation element.
- the insulation element is suitable for thermally and / or acoustically isolating the functional container, in particular the rinsing container.
- the insulation element can therefore also be used as a thermal and / or acoustic
- Insulation element are called.
- “Outside” here means facing away from the functional container, in particular the washing container.
- Side walls and / or the door each have an inner side facing the functional space, in particular the washing area, and an outer side facing away from the functional space, in particular the washing area.
- the insulation arrangement is provided on the respective outside. Including that the insulation element "non-destructively" from the Functional container, in particular washing container, is separable, it should be understood that the insulation element can be removed or removed from the functional container, in particular washing container, without residues of the insulating element sticking to the functional container, in particular washing container. However, slight residues can also remain on the functional container, in particular the rinsing container. This means that the insulation element can be easily detached from the functional container, in particular the rinsing container, but residues can remain on the
- Functional containers especially rinsing containers, remain. These can be removed by rubbing.
- the insulation element can be separated from the functional container, in particular a rinsing container, without aids, such as solvents.
- the connection between the insulation element and the functional container, in particular the washing container, can be a weakly adhesive adhesive connection.
- the plastic material can have several components, which are mixed to produce the insulation element and react chemically with one another in such a way that the plastic material completely hardens and / or crosslinks.
- Plastic material itself has the preferred adhesive or preferably adhesive properties.
- adhesive is to be understood as the property of the plastic material that the surface of the insulation element facing the rinsing container with an outside of the functional container, in particular
- Rinsing container interacts in such a way that the insulation element on the
- the adhesion can be based on molecular interactions between the plastic material and the material of the functional container, in particular the rinsing container. Adhesion can also be based on physical-mechanical forces. For example, the plastic material in microscopic pores and / or depressions of the
- Functional container in particular rinsing container, cling or hook.
- the insulation element is connected to the functional container, in particular a washing container, without adhesive.
- a washing container without adhesive.
- Plastic material of the insulation element itself preferably adhesive or
- an adhesive for connecting the insulation element to the functional container, in particular a washing container can be dispensed with. This simplifies the manufacture of the household appliance, especially the Household dishwasher, and enables improved recycling of the materials used.
- the plastic material is a polyurethane, in particular a foamed polyurethane.
- the polyurethane preferably has an open-pore structure.
- the plastic material is thus compressible, so that air can escape from the plastic material when compressed.
- Other suitable plastic materials can also be used.
- the plastic material has viscoelastic properties.
- Viscoelasticity means a partially elastic, partially viscous material behavior. Viscoelastic materials thus combine features of solids and liquids.
- the insulation arrangement has a first one
- Insulation element which is made of the plastic material, and a second insulation element, wherein the first insulation element between the
- Functional container in particular rinsing container, and the second insulation element is arranged.
- the second insulation element is optional.
- the second insulation element can serve for the acoustic insulation of the functional container, in particular the rinsing container.
- the second insulation element can be referred to as an acoustic insulation element.
- the second insulation element can not extract heat from the functional container, in particular the rinsing container. This improves the energy efficiency of the household appliance
- the second insulation element serves in particular as a ground layer.
- the second insulation element improves the acoustic properties of the insulation arrangement.
- the first insulation element adheres to the second insulation element with a surface facing the second insulation element and can be separated therefrom without destruction.
- the first insulation element is preferably adhesive-free with the second
- Isolation element adheres to the second isolation element.
- the insulation elements can also be permanently connected to one another.
- a separating layer is arranged between the first insulation element and the second insulation element, around the first
- the optional separation layer enables a non-destructive and residue-free separation of the first insulation element from the second insulation element. As a result, the materials of the first insulation element and the second insulation element can be recycled more simply and efficiently.
- the separating layer preferably comprises one
- Wax layer and / or a plastic film can in particular be a wax layer, a film or a plurality of films placed one on top of the other.
- Separating layer can be any layer which is suitable for separating the two insulation elements from one another without residue and without destruction.
- the first insulation element is connected to the second insulation element without adhesive.
- the first insulation element is positively connected to the functional container, in particular the washing container.
- a positive connection is created by the interlocking or interlocking of at least two connection partners.
- a positive connection can be released without damaging the connection partners.
- the form-fitting connection between the first insulation element and the functional container, in particular the rinsing container, supports the preferred adhesive properties of the
- connection is a displacement of the first insulation element relative to the Functional containers, especially rinsing containers, not possible.
- the first insulation element is therefore precisely positioned on the functional container, in particular the rinsing container.
- the functional container in particular the rinsing container, has an elevation on the outside, which rises into one on the first
- Insulation element provided engages positively, and / or the
- Functional container in particular rinsing container, has a recess on the outside, in which a raised portion provided on the first insulation element engages in a form-fitting manner.
- the elevation or depression provided on the functional container, in particular the washing container can be, for example, an embossing, a bead or the like.
- the elevation or depression can serve, for example, to stiffen the functional container, in particular the rinsing container.
- the functional container, in particular the rinsing container can have any number of elevations and / or depressions.
- the positive connection between the first insulation element and the functional container, in particular the washing container, is subject to play.
- a width and depth of the depression of the first insulation element is greater than a width and height of the elevation of the functional container, in particular
- Rinsing container The same applies to the deepening of the functional container, in particular the rinsing container and the elevation of the first insulation element. This simplifies the manufacture of the first insulation element since it is not a narrow one
- the household appliance in particular the household dishwasher, comprises an outside on the functional container,
- the second Insulation element is arranged between the first insulation element and the outer lining.
- the outer cladding can be a steel sheet, for example.
- the outer lining can, for example, be part of a housing of the household appliance, in particular the household dishwasher.
- the outer lining lies loosely on the second insulation element on or between the second insulation element and the
- An outer layer is arranged to separate the outer lining from the second insulation element in a non-destructive manner.
- the outer cladding which is preferably made of a metal material, can simply be fed to the material cycle after the end of the service life of the household appliance, in particular the household dishwasher.
- the separating layer can comprise a wax layer, a film or a plurality of film layers.
- a method for producing such a household appliance in particular such a household dishwasher, comprises the steps: a) providing a functional container, in particular a flushing container, b) providing an insulation arrangement for thermal and / or acoustic insulation of the functional container, in particular a flushing container, the insulation arrangement having an insulation element, and the insulation element being made in one piece from a plastic material , which preferably has adhesive properties in a cured and / or crosslinked state, and c) attaching the insulation arrangement to the outside
- Functional container in particular washing container, such that the insulation element adheres to the functional container, in particular washing container, with a surface facing the functional container, in particular washing container, and can be separated therefrom without destruction.
- the plastic material can be poured into a mold and a cavity of the mold under ambient pressure or vacuum foam out.
- the cavity forms a negative of an external geometry of the
- the insulation arrangement in step b) is provided with a first insulation element, which is made of the plastic material, and a second insulation element, in step c) the insulation arrangement being attached to the outside of the functional container, in particular the washing container, in such a way that the first insulation element is arranged between the functional container, in particular the rinsing container, and the second insulation element.
- Functional containers in particular flushing containers, can be attached to the first insulation element, so that the insulation arrangement can be attached to the functional container, in particular flushing container, as a preassembled component.
- the insulation elements can also be attached to the functional container, in particular the washing container, one after the other, the first insulating element being attached to the functional container, in particular the washing container, and then the second insulation element to the first
- Insulation element is attached. At least that is particularly preferred
- Functional container in particular flushing container, facing surface of the first insulation element protected from dust and / or contamination.
- the first insulation element is protected with a film after removal from the mold.
- the film can be bag-like and completely absorb the first insulation element.
- the film can also be provided only on the surface of the first insulation element facing the functional container, in particular the washing container.
- the film can also be provided on the surface of the first insulation element facing the second insulation element.
- the surface is removed and the surface is pressed against the functional container, in particular the washing container, whereby the first insulation element is connected to the functional container, in particular the washing container.
- the first insulation element adheres to the second insulation element with a surface facing the second insulation element and can be separated from it without being destroyed or it becomes between the first
- Isolation element and the second insulation element arranged a separating layer in order to separate the first insulation element non-destructively from the second insulation element.
- a method for disassembling a household appliance, in particular a domestic dishwasher, produced with the aid of the previously explained method is proposed.
- the insulation arrangement is separated from the functional container, in particular the rinsing container, in a non-destructive manner.
- the second insulation element can be separated from the first insulation element in a non-destructive manner. As already mentioned above, this makes it possible to easily recycle the materials of the individual components of the household appliance, in particular the household dishwasher, after the life of the household appliance, in particular the household dishwasher, has ended.
- Show it Figure 1 is a schematic perspective view of an embodiment of a household appliance in the form of a household dishwasher.
- 2A is a schematic partial sectional view of an embodiment of a
- Rinsing container for the household dishwasher according to Figure 1 in an exploded view.
- Fig. 2B is a schematic partial sectional view of another embodiment of a
- Rinsing container for the household dishwasher according to Figure 1 in an exploded view.
- FIG. 3A shows a further schematic partial sectional view of the rinsing container according to FIG.
- FIG. 3B shows a further schematic partial sectional view of the rinsing container according to FIG.
- Fig. 4 is a schematic sectional view of an embodiment of a mold for
- FIG. 5 shows a further schematic sectional view of the mold according to FIG. 4;
- Fig. 6 is a schematic sectional view of an embodiment of a
- Isolation element for the rinsing container according to FIG. 2A or FIG. 2B;
- FIG. 7 shows a schematic block diagram of an embodiment of a method for producing the household dishwasher according to FIG. 1; and FIG. 8 shows a schematic block diagram of an embodiment of a method for dismantling a domestic dishwasher produced using the method according to FIG. 7.
- FIG. 1 shows a schematic perspective view of an embodiment of a household appliance 1 in the form of a household dishwasher.
- Household dishwasher 1 comprises a functional container in the form of a washing container 2, which can be closed by a door 3, in particular in a watertight manner.
- a sealing device can be provided between the door 3 and the washing container 2.
- the washing compartment 2 is preferably cuboid.
- the rinsing container 2 can be arranged in a housing of the household dishwasher 1.
- the washing container 2 and the door 3 can form a washing compartment 4 for washing dishes.
- the door 3 is shown in its open position in FIG. 1.
- the door 3 can be closed or opened by pivoting about a pivot axis 5 provided at a lower end of the door 3.
- a loading opening 6 of the washing compartment 2 can be closed or opened.
- the washing compartment 2 has a base 7, a cover 8 arranged opposite the base 7, a rear wall 9 arranged opposite the closed door 3 and two side walls 10, 11 arranged opposite one another.
- the bottom 7, the ceiling 8, the rear wall 9 and the side walls 10, 1 1 can, for example, from one
- the base 7 can be made of a plastic material, for example.
- the household dishwasher 1 also has at least one washware receptacle 12 to 14.
- washware receptacles 12 to 14 can be provided, the washware receptacle 12 being a lower washware receptacle or a lower basket, the washware receptacle 13 being an upper washware receptacle or an upper basket and the washware receptacle 14 being a cutlery drawer.
- the items to be washed 12 to 14 are arranged one above the other in the washing container 2.
- Each washware receptacle 12 to 14 can either be moved into or out of the washing tub 2.
- each washware receptacle 12 to 14 can be pushed or moved into the washing compartment 2 in an insertion direction E (arrow) and can be pulled out or pulled out of the washing compartment 2 in a pull-out direction A (arrow) against the insertion direction E (arrow).
- the household appliance 1 according to the invention can in general
- Household dishwasher a household washing machine or a
- the functional container can be a rinsing container, a tub or a washing drum.
- a household washing machine is known, for example, from publication EP 2 049 723 A1
- a household laundry dryer is known from publication DE 33 45 303 A1.
- the relevant content of these exemplary publications is hereby made the subject of the present description.
- 2A shows a schematic partial sectional view of an embodiment of the rinsing container 2 in an exploded view.
- 3A shows another
- the household dishwasher 1 comprises one
- Insulation arrangement 15 for thermal and / or acoustic insulation of the washing compartment 2.
- the insulation arrangement 15 can be provided on the two side walls 10, 11, the ceiling 8, the rear wall 9 and / or the door 3.
- the insulation arrangement 15 can also be provided on the bottom 7. This means that the washing container 2 can be accommodated in the insulation arrangement 15 and enclose or enclose it at least in sections.
- the insulation arrangement 15 is provided on the outside of the washing compartment 2. "Outside" here means facing away from the wash cabinet 4.
- the side wall 11 comprises, in particular, an inner side 16 which faces the washing area 4 and an outer side 17 which faces away from the washing area 4.
- the insulation arrangement 15 is provided on the outside 17.
- the washing container 2 can have an elevation 18 on the outside.
- the elevation 18 bulges out of the outside 17 away from the washing area 4.
- the elevation 18 can be a bead or embossing embossed in the washing tub 2. Any number of elevations 18 can be provided.
- the side wall 11 can also have a depression 19 extending in the direction of the washing compartment 4.
- the recess 19 extends from the inside 16 into the wash cabinet 4.
- Rinse tank 2 be embossed bead or embossing.
- the rse tank 2 be embossed bead or embossing.
- Raising 18 and the recess 19 may be suitable for stiffening the side wall 11. Any number of depressions 19 can be provided.
- the elevation 18 and the depression 19 are optional.
- the elevation 18 and the depression 19 can run along a z direction or depth direction z (arrow) and / or along a y direction or height direction y (arrow) of the washing compartment 2.
- 2A and 3A an x direction or width direction x (arrow) of the washing container 2 is also shown.
- the directions x, y, z form a coordinate system of the washing compartment 2.
- the insulation arrangement 15 comprises a first insulation element 20.
- the first insulation element 20 The first insulation element 20.
- Isolation element 20 is suitable for thermally and / or acoustically isolating the washing compartment 2.
- the first insulation element 20 can also be referred to as a thermal and / or acoustic insulation element.
- the first insulation element 20 has a first surface 21 which faces the outside 17 of the side wall 11.
- the first insulation element 20 comprises a second surface 22 facing away from the first surface 21.
- An optional depression 23 corresponding to the elevation 18 of the side wall 11 is provided on the first surface 21.
- the elevation 18 can positively engage in the recess 23.
- a positive connection is created by the interlocking or engaging behind of at least two connection partners, in this case the elevation 18 and the depression 23. Any number of depressions 23 can be provided.
- an optional elevation 24 corresponding to the depression 19 of the side wall 11 is provided on the first surface 21.
- the elevation 24 can positively engage in the recess 19.
- the first insulation element 20 can be positively connected to the washing container 2.
- the positive connection is subject to play.
- “subject to play” means that a depth of the depression 23 in the width direction x (arrow) is greater than a height of the elevation 18 in the width direction x (arrow). Accordingly, a width of the depression 23 in the height direction y (arrow) is greater than a width of the elevation 18 in the height direction y (arrow). The same applies to deepening 19 and elevation 24.
- the first insulation element 20 is preferably made of a foamed one
- the first insulation element 20 preferably has an open-pore structure, so that the first insulation element 20 can be compressed.
- the plastic material has the property that in a hardened and / or cross-linked state it preferably has adhesive or preferably adhesive properties.
- the preferred adhesive properties are provided in particular on the surfaces 21, 22 of the first insulation element 20.
- the plastic material itself has the preferred adhesive properties without the addition of an adhesive. Because the first surface 21 preferably has adhesive properties, the first insulation element 20 with the first surface 21 facing the washing container 2 can adhere to the washing container 2 or to the side wall 11.
- the connection between the side wall 1 1 and the first insulation element 20 is adhesive-free. That is, between the side wall 11 and the first
- the first insulation element 20 can be detached from the side wall 11 in a non-destructive and residue-free manner.
- the first insulation element 20 is detached from the side wall 11, even slight residues of the first insulation element 20 can remain on the side wall 11. However, these residues can simply be rubbed off.
- the first insulation element 20 has a thickness d20.
- the thickness d20 is preferably 5 to 50 mm, more preferably 10 to 45 mm, more preferably 15 to 40 mm, more preferably 20 to 35 mm, more preferably 25 to 30 mm.
- a density p20 of the first insulation element 20 is preferably 5 to 150 kg / m 3 , particularly preferably 50 to 120 kg / m 3 , further preferably 70 to 100 kg / m 3 .
- a specific thermal conductivity A20 of the first insulation element 20 is preferably less than 0.1 W / (m * K), in particular less than 0.05 W / (m * K).
- the first insulation element 20 furthermore preferably has a specific heat capacity c20 of less than 2,000 J / (kg * K), preferably less than 1,600 J / (kg * K), more preferably less than 1,400 J / (kg * K), on.
- the insulation arrangement 15 comprises, in addition to the first insulation element 20, a second insulation element 25 for acoustically isolating the washing compartment 2.
- the second insulation element 25 for acoustically isolating the washing compartment 2.
- Isolation element 25 can also be referred to as an acoustic isolation element.
- the second insulation element 25 serves in particular as a ground layer and improves the acoustic properties of the insulation arrangement 15.
- the second insulation element 25 is also provided on the outside of the washing compartment 2. The first is
- the second insulation element 25 comprises a first surface 26 facing the first insulation element 20 and a second surface 27 facing away from the first surface 26.
- the second insulation element 25 can preferably be separated from the first insulation element 20 in a non-destructive manner. However, the second insulation element 25 can also be permanently connected to the first insulation element 20.
- the second insulation element 25 has a thickness d25.
- the thickness d25 is smaller than the thickness d20 of the first insulation element 20.
- the thickness d25 can be 1 to 10 mm, preferably 1 to 8 mm, more preferably 1 to 5 mm, more preferably 1 to 3 mm.
- the first insulation element 20 prevents one
- the second insulation element 25 cannot extract any heat from the washing compartment 2.
- the energy efficiency of the domestic dishwasher 1 is improved.
- Rinsing container 2 converted into heat.
- the first insulation element 20 is suitable for
- Isolation element 20 is high and tailored for use in the household dishwasher 1.
- the loss factor of the plastic material of the first insulation element 20 at 20 ° C. is in particular greater than 0.2, preferably greater than 0.4.
- the hysteresis loss according to the IFD method (“Hysteresis Loess - IFD") according to ASTM D3574 is preferably greater than 15%, preferably greater than 20%, in particular greater than 30%, and the recovery time (“Recovery Time”) according to ASTM D3574 is preferably greater 2 s, preferably greater than 4, in particular greater than 5 s.
- Some of the vibrations are also passed on to the second insulation element 25.
- the second insulation element 25 is in the composite of
- Isolation arrangement 15 essentially has a basis weight due to its high density.
- the second insulation element 25 preferably has a significantly higher density than the first insulation element 20.
- the second insulation element 25 is preferably made from a bitumen material, in particular from a metal and / or rock-filled bitumen material, or from a plastic material, in particular from a metal and / or rock-filled plastic material.
- the second insulation element 25 can be made from a butyl material.
- the second insulation element 25 is in particular plate or mat-shaped.
- the second insulation element 25 can also be a metal sheet, in particular a steel sheet.
- the second insulation element 25 serves to deaden the rinsing container 2
- the second insulation element 25 preferably has the highest possible loss factor.
- the loss factor of the material of the second insulation element 25 at 20 ° C. is preferably greater than 0.08, more preferably greater than 0.15.
- Insulation element 25 is preferably greater than 1,000 kg / m 3 .
- the insulation arrangement 15 can furthermore comprise an optional separating layer 28.
- the separation layer 28 is between the first insulation element 20 and the second
- the separating layer 28 can be a wax layer, a film, for example a polyethylene film or the like.
- the separating layer 28 can also comprise a plurality of foils. The separation layer 28 enables a non-destructive and residue-free separation of the second insulation element 25 from the first insulation element 20.
- the household dishwasher 1 can further comprise an outer panel 29.
- the outer cladding 29 can be arranged on the outside on the insulation arrangement 15, in particular on the outside on the second insulation element 25.
- the outer cladding 29 can be a steel sheet, for example.
- the outer lining 29 can be part of a housing of the household dishwasher 1.
- Outer cladding 29 can in particular also be part of the insulation arrangement 15.
- the outer lining 29 can have a first surface 30 facing the second insulation element 25 and a second surface facing away from the second insulation element 25
- the outer lining 29 can either be loosely on the second insulation element 25 or connected to it in such a way that the
- Isolation element 25 can be solved. You can do this between the second
- a separating layer 32 may be provided.
- the separation layer 32 is optional.
- the separating layer 32 can be constructed identically to the separating layer 28.
- 2B shows a schematic partial sectional view of a further embodiment of the rinsing container 2 in an exploded view. 3B shows another
- Partial sectional view of the washing container 2 differs from the washing container 2 according to FIGS. 2A and 3A only in that the insulation arrangement 15 has only the first insulation element 20. In particular, the second insulation element 25 is not provided.
- step S1 the washing container 2 is provided. Before or during the provision of the rinsing container 2 in step S1, it is manufactured, for example, from a steel sheet which is shaped, for example expanded and / or embossed.
- Step S2 comprises producing the first insulation element 20.
- a mold 33 in particular a casting mold or casting mold, is used
- the plastic material is a polyurethane foam.
- the plastic material is a polyurethane foam.
- two components are mixed and filled into the mold 33, which has a cavity 36 (FIG. 5), which represents a negative of an outer geometry of the first insulation element 20.
- Plastic material can then foam under ambient pressure or under vacuum and completely fill the cavity 36.
- the cavity 36 comprises an elevation 37, which depicts the depression 23 on the first insulation element 20, and a depression 38, which depicts the elevation 24 of the first insulation element 20.
- the mold 33 is opened, as shown in FIG. 5, and the first insulation element 20 is removed from the mold.
- the surfaces 21, 22 are also preferably adhesive or preferably sticky even after the plastic material of the first insulation element 20 has completely hardened and / or crosslinked.
- the first insulation element 20, as shown in FIG. 6, can be packaged in a protective film 39.
- the protective film 39 can be bag-shaped and accommodate the entire first insulation element 20.
- the protective film 39 can also be applied as a release film to one of the surfaces 21, 22 or to both surfaces 21, 22.
- a step S3 after the protective film 39 has been removed from at least the first surface 21, the first insulation element 20 is attached to the outside of the washing container 2, so that the first insulating element 20 adheres to the washing container 2 with its first surface 21, but non-destructively and without residue is separable from this.
- the second insulation element 25 is optionally provided, for example as a bitumen mat, and attached to the outside of the washing container 2 after or in step S3 such that the first insulation element 20 is arranged between the washing container 2 and the second insulation element 25.
- the second insulation element 25 can also be connected to the first insulation element 20 before the first insulation element 20 is attached to the outside of the washing compartment 2 in step S3. That is, the insulation arrangement 15 can be preassembled and, as a whole, can be attached to the washing compartment 2 on the outside in step S3.
- the second insulation element 25 can also be dispensed with.
- the first insulation element 20 is separated from the washing container 2 in a non-destructive manner in a step S10.
- a step S10 preferably no or only slight residues of the first insulation element 20 stick to the washing container 2, so that the washing container 2 can be fed to the recycling cycle for recycling without prior cleaning.
- the second insulation element 25 is separated from the first insulation element 20.
- the separating layer 28 can enable the second insulation element 25 to be detached from the first insulation element 20 without leaving any residue and without destruction.
- the rinsing container 2, the insulation elements 20, 25 and the outer panel 29 can thus after the end of the life of the Household dishwashing machine 1 can be fed separately from the material cycle for recycling without prior cleaning.
- Household dishwasher 1 a process step, for example the application of an adhesive layer on the first surface 21, can be saved. This reduces the cost of manufacturing the household dishwasher 1. With the help of the first
- Isolation element 20 is an acoustically advantageous connection of the second
- Isolation element 25 to the washing container 2 possible.
- the acoustic properties of the entire household dishwasher 1 can be improved.
- a permanent fixation of the insulation arrangement 15 to the washing compartment 2 is possible without additional precautions.
- a large part of the first surface 21 of the first insulation element 20 is in direct contact with the outside 17 of the washing container 2.
- the separate production of the washing container 2 and the insulation arrangement 15 results in advantages in the production of the domestic dishwasher 1.
- the fact that the positive connection between the first insulation element 20 and the washing container 2, the first insulation element 20 can be manufactured with large tolerances. This reduces the cost of manufacturing the household dishwasher 1.
- the washing container 2 and the first insulation element 20 can be recycled separately from one another.
- the washing container 2 can be melted down without prior cleaning.
- Insulation element 25 from the first insulation element 20 and residue-free
- the material of the second can also be separated without being destroyed
- Insulation element 25 can be recycled separately from the material of the first insulation element 20. If the insulation arrangement 15 is made as a preassembled one-piece arrangement, the insulation arrangement 15 can be completely removed from the washing compartment 2 and recycled. The individual components of the insulation arrangement 15 can be separated from one another and fed to the recycling loop without contamination.
- the outer panel 29 can be easily detached with the
- Insulation arrangement 15 may be connected so that the outer cladding 29, which is mostly made of metal, can also be returned to the material cycle.
- Household dishwashers 1 can be fed separately to the material cycle. Due to the residue-free separation, there are few
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018217537.3A DE102018217537A1 (de) | 2018-10-12 | 2018-10-12 | Haushaltsgerät, Verfahren zum Herstellen eines Haushaltsgeräts und Verfahren zum Demontieren eines Haushaltsgeräts |
PCT/EP2019/076418 WO2020074301A1 (de) | 2018-10-12 | 2019-09-30 | Haushaltsgerät, verfahren zum herstellen eines haushaltsgeräts und verfahren zum demontieren eines haushaltsgeräts |
Publications (2)
Publication Number | Publication Date |
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EP3863489A1 true EP3863489A1 (de) | 2021-08-18 |
EP3863489B1 EP3863489B1 (de) | 2024-04-03 |
Family
ID=68104651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19779884.6A Active EP3863489B1 (de) | 2018-10-12 | 2019-09-30 | Haushaltsgerät, verfahren zum herstellen eines haushaltsgeräts und verfahren zum demontieren eines haushaltsgeräts |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210401259A1 (de) |
EP (1) | EP3863489B1 (de) |
CN (1) | CN112804927A (de) |
DE (1) | DE102018217537A1 (de) |
PL (1) | PL3863489T3 (de) |
WO (1) | WO2020074301A1 (de) |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3345303A1 (de) | 1983-12-14 | 1985-06-27 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Haushalt-waeschetrockner |
DE3510932C2 (de) * | 1985-03-26 | 1987-04-02 | Dr. Alois Stankiewicz GmbH, 3101 Adelheidsdorf | Adhäsives zerstörungsfrei entfernbares Isolationssystem |
DE3710731A1 (de) * | 1987-03-31 | 1989-04-27 | Stankiewicz Alois Dr Gmbh | Polyurethanweichschaumstoff mit schallisolierenden und entdroehnenden eigenschaften |
DE4110291A1 (de) * | 1991-03-28 | 1992-10-01 | Miele & Cie | Verfahren zur herstellung einer geschirrspuelmaschine |
DE4227957C2 (de) * | 1992-08-22 | 1998-01-22 | Miele & Cie | Haushaltgerät, insbesondere geräusch- und/oder wärmeisolierte Geschirrspülmaschine oder Waschmaschine |
DE19736807C1 (de) * | 1997-08-23 | 1998-12-03 | Whirlpool Co | Geschirrspülmaschine mit aus horizontalen und vertikalen Rahmenschenkeln zusammengesetzter Tragkonstruktion |
US6345481B1 (en) * | 1997-11-25 | 2002-02-12 | Premark Rwp Holdings, Inc. | Article with interlocking edges and covering product prepared therefrom |
DE19858002A1 (de) * | 1998-12-16 | 2000-06-21 | Miele & Cie | Geräusch- und Wärmeisolierung aus Bitumenmaterial, insbesondere für Spülbehälter aus Metall von Geschirrspülmaschinen |
DE20213287U1 (de) * | 2002-08-29 | 2002-12-19 | Electrolux Home Products Corporation N.V., Zaventem | Geschirrspülmaschine mit herausnehmbarer Funktionseinheit |
DE10347808B4 (de) * | 2003-10-10 | 2011-02-17 | Diehl Ako Stiftung & Co. Kg | Geschirrspülertür |
IN263389B (de) * | 2005-11-22 | 2014-01-31 | Segetis Inc | |
DE102006029950A1 (de) | 2006-06-29 | 2008-01-03 | BSH Bosch und Siemens Hausgeräte GmbH | Bestimmung des Wasserpeichervermögens von Textilen in einer Waschmaschine |
DE102006043916A1 (de) * | 2006-09-19 | 2008-03-27 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Haushaltsgerät mit einem Reinigungsmitteldosiersystem sowie Kartusche hierfür |
DE102010031484A1 (de) | 2010-07-16 | 2012-01-19 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine mit mindestens einer, insbesondere vorkonfektioneierten, Bitumenmatte zur Entdröhnung und/oder Schallbedämmung eines Bauteils |
DE102010039101A1 (de) * | 2010-08-09 | 2012-02-09 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine mit einem Spülbehälter |
DE102011077734A1 (de) | 2011-06-17 | 2012-12-20 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät mit einem außen isolierten Behälter |
DE102012201244B4 (de) * | 2012-01-30 | 2016-07-21 | BSH Hausgeräte GmbH | Geschirrspülmaschine mit einem "constraint-layer"-Geräuschreduzierungssystem |
DE202012103799U1 (de) | 2012-10-04 | 2012-12-10 | Faist Chemtec Gmbh | Schalldämpfende Sandwichplatte |
DE102013222576A1 (de) * | 2013-11-06 | 2015-05-07 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät |
DE102015208931A1 (de) | 2015-05-13 | 2016-11-17 | BSH Hausgeräte GmbH | Anordnung zur akustischen und thermischen Isolation eines Aufnahmebereichs eines wasserführenden Haushaltsgeräts, Aufnahmebereich für ein wasserführendes Haushaltsgerät, wasserführendes Haushaltsgerät und Verfahren zum Herstellen eines wasserführenden Haushaltsgeräts |
CN107053809B (zh) * | 2017-04-01 | 2019-07-02 | 镇江朝阳机电科技有限公司 | 一种用于电梯的聚氨酯微孔弹性体 |
-
2018
- 2018-10-12 DE DE102018217537.3A patent/DE102018217537A1/de active Pending
-
2019
- 2019-09-30 PL PL19779884.6T patent/PL3863489T3/pl unknown
- 2019-09-30 US US17/282,792 patent/US20210401259A1/en active Pending
- 2019-09-30 CN CN201980066464.3A patent/CN112804927A/zh active Pending
- 2019-09-30 WO PCT/EP2019/076418 patent/WO2020074301A1/de unknown
- 2019-09-30 EP EP19779884.6A patent/EP3863489B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
PL3863489T3 (pl) | 2024-07-29 |
US20210401259A1 (en) | 2021-12-30 |
CN112804927A (zh) | 2021-05-14 |
WO2020074301A1 (de) | 2020-04-16 |
EP3863489B1 (de) | 2024-04-03 |
DE102018217537A1 (de) | 2020-04-16 |
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