EP3582655B1 - Mattress - Google Patents

Mattress Download PDF

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Publication number
EP3582655B1
EP3582655B1 EP17808352.3A EP17808352A EP3582655B1 EP 3582655 B1 EP3582655 B1 EP 3582655B1 EP 17808352 A EP17808352 A EP 17808352A EP 3582655 B1 EP3582655 B1 EP 3582655B1
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EP
European Patent Office
Prior art keywords
layer
thickness
mattress
extent
longitudinal extent
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.)
Active
Application number
EP17808352.3A
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German (de)
French (fr)
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EP3582655A1 (en
Inventor
Boris RIBICIC
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Vanema d o o
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Vanema d o o
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Publication date
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Priority to RS20211183A priority Critical patent/RS62786B1/en
Priority to PL17808352T priority patent/PL3582655T3/en
Priority to HRP20211720TT priority patent/HRP20211720T1/en
Priority to SI201730929T priority patent/SI3582655T1/en
Publication of EP3582655A1 publication Critical patent/EP3582655A1/en
Application granted granted Critical
Publication of EP3582655B1 publication Critical patent/EP3582655B1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/05—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays with padding material, e.g. foamed material, in top, bottom, or side layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/05—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays with padding material, e.g. foamed material, in top, bottom, or side layers
    • A47C27/056—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays with padding material, e.g. foamed material, in top, bottom, or side layers with different layers of foamed material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/063—Spring inlays wrapped or otherwise protected
    • A47C27/064—Pocketed springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/146—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities on the outside surface of the mattress or cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/05—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays with padding material, e.g. foamed material, in top, bottom, or side layers
    • A47C27/053—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays with padding material, e.g. foamed material, in top, bottom, or side layers with only one layer of foamed material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/20—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material

Definitions

  • the invention relates to a mattress with at least a first layer, a second layer and a third layer, the second layer comprising spring elements and being arranged between the first and the third layer, typically being arranged directly between the first and the third layer.
  • the first and third layers are usually made of an elastic material, such as. B. Foam.
  • all layers are of the same thickness, so that three cuboid layers are placed on top of each other to form a cuboid mattress, namely the lowest cuboid foam layer, above the spring elements in a cuboid arrangement, possibly embedded in a frame, and over this a cuboid foam body as the third Body.
  • a person lies on a mattress different parts of the mattress are exposed to different weights. For example, the hip area of the person is heavier than the shoulder area, the head and the feet are even lighter. It is known to take this into account by arranging different spring elements with different spring force on different arrangements along the longitudinal extent of the mattress, that is, its lying direction, in which the head area, shoulder area, hip area and foot area follow one another. This is very complex to manufacture. From the DE 103 46 684 A1 and the DE 202 12 742 U1 a mattress with at least three layers is known, the middle of which is formed from spring elements which are provided in a wavy arrangement. the WO 2010/121333 A1 describes a spring element.
  • the thickness of the third layer (which is defined as the distance between an outer surface of the third layer facing away from the second layer and the second layer) varies locally to an extent that goes beyond the extent that is caused by a surface structure of the third layer is given on its outer surface. Although there may be certain surface variations that deviate from a flat outer surface, the overall variation in the thickness of the third layer is greater. This means that that surface of the third layer which faces the second layer is no longer flat, but rather ensures the variation in thickness through a suitable structure.
  • the mattress according to the invention can also be equipped with spring elements of variable spring strength, a particular advantage is that due to the variation in the thickness of the third layer, the material of the third layer and possibly the first layer have a different spring force. As a result of the resilient elements such as the first layer, the spring elements of the second layer and the third layer, it makes a difference whether the first layer is thicker or thinner. It is thus possible, simply by suitable cutting or suitable shaping of the first layer as a whole, very quickly to vary the spring force across the mattress.
  • the outer surface of the third layer is at least partially and preferably continuously flat. In this way, the outer surface of the third layer can define a lying side directly or as a base for a rather thinner fourth layer or, conversely, define the side facing a slatted frame of a bed.
  • the variation takes place continuously in one direction, that is not in steps. In this way, it is particularly easy to place the third layer on the spring elements of the second layer.
  • the mattress has a longitudinal extension in a manner known per se with a head region, a shoulder region, a hip region and a foot region, and the variation in the thickness of the third layer should take place in the direction of the longitudinal extension in order to meet the different requirements of weight application on the head, the Shoulders, hips and feet of the person lying on the mattress.
  • the mattress also extends in a transverse direction perpendicular to the longitudinal extent, the thickness of the third layer being constant in the transverse direction at different points along the longitudinal extent remain.
  • a longitudinal section through the mattress is therefore the same everywhere. This takes into account the fact that different people tend to lie in different places on a mattress, with one person more in the middle of the mattress and the other more on the edge.
  • a plurality of recesses extending in the transverse direction with a constant cross section are provided, the cross section being dependent on the thickness of the third layer.
  • the third layer can yield somewhat in the longitudinal direction in order to be able to yield better to forces which are similar to shear forces and which occur due to the varying thickness.
  • the recesses can also be provided in the first layer.
  • the variation in the thickness can be continuously increasing or continuously decreasing, but the thickness preferably first decreases in the direction of the longitudinal extension and then increases again. There is therefore at least one point in the middle area of the longitudinal extension where the thickness of the third layer is at a maximum.
  • the thickness preferably decreases several times and / or increases several times, so it decreases in different areas that are separated from at least one area with increasing thickness of the third layer and / or in different areas that are separated by at least one area with decreasing thickness of the third layer are separated.
  • the mattress can be individually adapted to the body of a single person.
  • the thickness of the first layer which is defined as the distance between the outer surface of the first layer facing away from the second layer and the second layer, increases in a direction in which the thickness of the third layer decreases and vice versa. So it is the same as the first Position at least partially the variation of the third position.
  • the thickness variation in the mattress body as a whole is hardly visible on the outside.
  • the total thickness of the mattress is constant, at least in sections. This is the case when the thickness of the first layer increases in one direction to the same extent that the thickness of the third layer decreases and vice versa. Then the mattress looks like a conventional mattress from the outside, so it can in particular be cuboid.
  • the thickness of the third and / or the first layer is preferably varied to an extent which is at least one third, preferably at least half and more preferably at least two thirds of the thickness of the second layer.
  • the spring elements are not all vertical, but are a little transverse, so that the locally acting spring force is particularly easy to adjust.
  • the first and / or the third layer consist of foam or comprise foam.
  • the spring elements can comprise pocket springs, spring cores and / or foam springs and are preferably designed like the foam springs from FIG EP 2 421 410 B1 : It has a tubular resilient body made of foam and forming an outer wall, with holes extending inwardly from an outer surface to an inner surface, these holes being arranged in a staggered symmetry and being substantially diamond-shaped, the tubular body has the holes only over a limited part of its surface and this limited part regularly alternates with a limited part of the surface which is not provided with the holes and which forms longitudinal reinforcing ribs in the wall of the tubular body of the spring.
  • a fourth layer is arranged on the third layer of the mattress, the thickness of which preferably remains constant over all directions of extension.
  • a mattress designated as a whole by 1 comprises a first layer 10 made of foam, a second layer 12 made of spring elements 16, and a third layer 14 made of foam.
  • the spring elements 16 can be made of metal or in the manner of the foam spring element according to FIG EP 2 421 410 B1 be trained.
  • FIG. 2 a longitudinal section, as can be seen, in the case of the mattress 1, the thickness a 1 , a 2 , a 3 of the third layer 14 varies over the longitudinal extent.
  • the longitudinal extension corresponds to that in FIG. 1 drawn x-axis.
  • the transverse dimension of the mattress corresponds to that in FIG. 1 y-axis shown.
  • the thickness extends along the z-axis.
  • the thickness of the third layer is defined as the distance between the surface 17 of the third layer 14 facing away from 12 the second layer to the second layer 12.
  • the thickness is in the mattress 1 in the head region a 1 and decreases to a shoulder area on a 2 . In the x-direction further towards the feet, the thickness then increases further to size a 3 , and then decreases again to a 4 at the end on the foot side. In other words, the thickness of the mattress decreases once, then increases again and then slightly decreases again.
  • the shape roughly follows a sine curve, but is not limited to this.
  • the mattress 1 essentially has a cuboid shape: as the thickness of the third layer 14 decreases, the thickness of the first layer increases 10 and vice versa, so that with the thickness of the second layer 12 remaining the same, the total thickness remains constant.
  • the surface 17 can be provided with fine structures, namely in particular in the form of recesses 18a, 18b and 18c, the recesses 18a of the third layer 14 being largest with a medium thickness, very small with a small size and also very large with a large thickness are small, see reference numerals 18b and 18c.
  • the first layer has corresponding recesses, the cross-section of which has a constant cross-section over the transverse direction (y-axis), see the recesses 19a and 19b in FIG FIG. 1 .
  • a fourth layer 21 is provided as a further layer, which can also consist of foam and, for example, consists of somewhat harder foam than the foam layers 10 and 14.
  • the fourth layer 21 can also be made of even softer foam or a completely different material, such as one Consist of plastic film.
  • the foam of the entire mattress can in all embodiments of the invention generally be in one layer of constant hardness or of varying hardness. In one embodiment it is possible that by varying the hardness of the foam, the effect of a lesser or greater thickness is supported, ie that with a lesser thickness there is also a lower hardness and with a greater thickness a greater hardness, or that precisely a counter-effect is generated, so lower hardness with greater thickness and greater hardness with smaller thickness.
  • the thickness d 1 is of medium size, in order to decrease towards the area above the head to the thickness d 2 , the thickness d 3 being increased again where the head is located and where there is the neck lies, the thickness d 4 is reduced again.
  • the thickness d 5 is increased again, in the subsequent area of the upper body now reduced again to d 6 , enlarged to d 7 in the area of the buttocks , reduced to d 8 in the area of the thighs and knees, increased again to dg in the area of the feet and reduced again to d 10 towards the end of the foot.
  • the distance w 1 to w 2 is 10 cm, w 2 to w 3 20 cm, w 3 to D 4 15 cm, w 4 to w 5 25 cm, w 5 to w 6 30 cm, w 6 to w 7 30 cm, w 7 to w 8 25 cm, w 8 to wg 25 cm and wg to w 10 10 cm.
  • the variation in thickness for example d 1 minus d 2 , d 2 minus d 3 , etc. is preferably greater than the thickness of a spring element 1 at least for individual pairs of consecutive d i . Since the thickness of the second layer 22 is directly equal to the thickness l of the individual spring elements 26, the thickness of the third layer 24 and the thickness of the first layer 20 thus vary to an extent that is greater than the thickness of the second layer 22.
  • the extent of the variation is at least one third of the thickness l of the second layer 22, preferably at least half and preferably at least two thirds.
  • FIG. 6th FIG. 4 shows a modified form with the first layer 30, the second layer 32 and the third layer 34, which differ from the embodiment according to FIG. 1 differs in that larger foam springs 36 are used.
  • the fact that the thickness of the first layer and the third layer change to match each other ensures that the foam elements 16, 36 arranged in a two-dimensional layer are not always parallel to the direction z of the thickness, but are inclined ( in relation to the normal of the surface 17). This enables a lateral compression. This increases the comfort when lying on the mattress.
  • the thickness of the third layer 14, 24, 34 is different, depending on where you are lying, and that straight transverse forces due to the inclined position of the Spring elements 16, 36 arise, the person feels particularly comfortable on the mattress.

Description

Die Erfindung betrifft eine Matratze mit zumindest einer ersten Lage, einer zweiten Lage und einer dritten Lage, wobei die zweite Lage Federelemente umfasst und zwischen der ersten und der dritten Lage angeordnet ist, typischerweise unmittelbar zwischen der ersten und der dritten Lage angeordnet ist. Solche Matratzen sind allgemein bekannt. Die erste und die dritte Lage bestehen gewöhnlich aus einem elastischen Material, wie z. B. Schaumstoff. Bei herkömmlichen Matratzen sind alle Lagen gleichmäßig dick, so dass zur Bildung einer quaderförmigen Matratze drei quaderförmige Lagen aufeinander platziert werden, nämlich die unterste quaderförmige Schaumstofflage, darüber die Federelemente in einer quaderförmigen Anordnung, gegebenenfalls eingebettet in einen Rahmen, und darüber einen quaderförmigen Schaumstoffkörper als dritten Körper.The invention relates to a mattress with at least a first layer, a second layer and a third layer, the second layer comprising spring elements and being arranged between the first and the third layer, typically being arranged directly between the first and the third layer. Such mattresses are well known. The first and third layers are usually made of an elastic material, such as. B. Foam. In conventional mattresses, all layers are of the same thickness, so that three cuboid layers are placed on top of each other to form a cuboid mattress, namely the lowest cuboid foam layer, above the spring elements in a cuboid arrangement, possibly embedded in a frame, and over this a cuboid foam body as the third Body.

Liegt eine Person auf einer Matratze, so sind unterschiedliche Stellen der Matratze unterschiedlichen Gewichten ausgesetzt. Der Hüftbereich der Person ist beispielsweise schwerer als der Schulterbereich, nochmals leichter ist der Kopf und sind die Füße. Es ist bekannt, dem Rechnung zu tragen, indem an verschiedenen Anordnungen entlang der Längserstreckung der Matratze, also ihrer Liegerichtung, in der Kopfbereich, Schulterbereich, Hüftbereich und Fußbereich aufeinanderfolgen, unterschiedliche Federelemente mit unterschiedlicher Federkraft angeordnet werden. Dies ist sehr aufwändig in der Herstellung. Aus der DE 103 46 684 A1 und der DE 202 12 742 U1 ist jeweils eine Matratze mit mindestens drei Lagen bekannt, deren mittlere aus Federelementen gebildet ist, die in einer welligen Anordnung bereitgestellt sind. Die WO 2010/121333 A1 beschreibt ein Federelement.If a person lies on a mattress, different parts of the mattress are exposed to different weights. For example, the hip area of the person is heavier than the shoulder area, the head and the feet are even lighter. It is known to take this into account by arranging different spring elements with different spring force on different arrangements along the longitudinal extent of the mattress, that is, its lying direction, in which the head area, shoulder area, hip area and foot area follow one another. This is very complex to manufacture. From the DE 103 46 684 A1 and the DE 202 12 742 U1 a mattress with at least three layers is known, the middle of which is formed from spring elements which are provided in a wavy arrangement. the WO 2010/121333 A1 describes a spring element.

Es ist Aufgabe der Erfindung, eine Matratze nach dem Stand der Technik derart weiterzubilden, dass den örtlichen Gewichten der auf der Matratze liegenden Person Rechnung getragen wird, aber zugleich die Herstellung der Matratze einfacher und kostengünstiger erfolgen kann.It is the object of the invention to develop a mattress according to the prior art in such a way that the local weights of the person lying on the mattress are taken into account, but at the same time the mattress can be produced more simply and more cost-effectively.

Nachteile der Matratze gemäß dem Stand der Technik werden durch die Matratze nach Anspruch 1 beseitigt.Disadvantages of the mattress according to the prior art are eliminated by the mattress according to claim 1.

Bei der Erfindung ist vorgesehen, dass die Dicke der dritten Lage (welche als Abstand einer der zweiten Lage abgewandten Außenoberfläche der dritten Lage zur zweiten Lage definiert ist) in einem Maße örtlich variiert, welches über dasjenige Maß hinausgeht, das durch eine Oberflächenstruktur der dritten Lage an ihrer Außenoberfläche vorgegeben ist. Zwar mag es also gewisse Oberflächenvariationen geben, die von einer ebenen Außenoberfläche abweichen, die Gesamtvariation der Dicke der dritten Lage ist aber größer. Dies bedingt, dass diejenige Oberfläche der dritten Lage, welche der zweiten Lage zugewandt ist, nicht mehr eben ist, sondern durch eine geeignete Struktur für die Dickenvariation sorgt.In the invention it is provided that the thickness of the third layer (which is defined as the distance between an outer surface of the third layer facing away from the second layer and the second layer) varies locally to an extent that goes beyond the extent that is caused by a surface structure of the third layer is given on its outer surface. Although there may be certain surface variations that deviate from a flat outer surface, the overall variation in the thickness of the third layer is greater. This means that that surface of the third layer which faces the second layer is no longer flat, but rather ensures the variation in thickness through a suitable structure.

Zwar kann die erfindungsgemäße Matratze zusätzlich mit Federelementen von variabler Federstärke ausgestattet werden, ein besonderer Vorteil besteht jedoch gerade darin, dass wegen der Variation der Dicke der dritten Lage durch das Material der dritten Lage und gegebenenfalls der ersten Lage eine unterschiedliche Federkraft vorgegeben ist. In der Folge jeweils federnder Elemente wie der ersten Lage, der Federelemente der zweiten Lage und der dritten Lage macht es einen Unterschied aus, ob die erste Lage dicker oder dünner ist. Somit ist es möglich, einfach durch geeigneten Zuschnitt oder geeignete Ausformung der ersten Lage als Ganzes sehr schnell für eine Variation der Federkraft über die Matratze hinweg zu sorgen.Although the mattress according to the invention can also be equipped with spring elements of variable spring strength, a particular advantage is that due to the variation in the thickness of the third layer, the material of the third layer and possibly the first layer have a different spring force. As a result of the resilient elements such as the first layer, the spring elements of the second layer and the third layer, it makes a difference whether the first layer is thicker or thinner. It is thus possible, simply by suitable cutting or suitable shaping of the first layer as a whole, very quickly to vary the spring force across the mattress.

Die Außenoberfläche der dritten Lage ist bei einer bevorzugten Ausführungsform zumindest abschnittsweise und vorzugsweise durchgehend eben. Auf diese Weise kann die Außenoberfläche der dritten Lage unmittelbar oder als Unterlage für eine eher dünnere vierte Lage eine Liegeseite definieren oder umgekehrt die einem Lattenrost eines Bettes zugewandte Seite definieren.In a preferred embodiment, the outer surface of the third layer is at least partially and preferably continuously flat. In this way, the outer surface of the third layer can define a lying side directly or as a base for a rather thinner fourth layer or, conversely, define the side facing a slatted frame of a bed.

Bei einer weiteren bevorzugten Ausführungsform der Erfindung erfolgt die Variation in eine Richtung kontinuierlich, also nicht in Stufen. Auf diese Weise ist ein Platzieren der dritten Lage auf den Federelementen der zweiten Lage besonders einfach ermöglicht. Die Matratze weist in an sich bekannter Weise eine Längserstreckung mit einem Kopfbereich, einem Schulterbereich, einem Hüftbereich und einem Fußbereich auf, und die Variation der Dicke der dritten Lage soll eben in Richtung der Längserstreckung erfolgen, um den unterschiedlichen Erfordernissen der Gewichtsbeaufschlagung am Kopf, der Schulter, an der Hüfte und am Fuß der auf der Matratze liegenden Person Rechnung zu tragen.In a further preferred embodiment of the invention, the variation takes place continuously in one direction, that is not in steps. In this way, it is particularly easy to place the third layer on the spring elements of the second layer. The mattress has a longitudinal extension in a manner known per se with a head region, a shoulder region, a hip region and a foot region, and the variation in the thickness of the third layer should take place in the direction of the longitudinal extension in order to meet the different requirements of weight application on the head, the Shoulders, hips and feet of the person lying on the mattress.

Erfindungsgemäß erstreckt sich die Matratze auch in eine Querrichtung senkrecht zur Längserstreckung erstreckt, wobei die Dicke der dritten Lage in Querrichtung an unterschiedlichen Stellen der Längserstreckung konstant bleibt. Ein Längsschnitt durch die Matratze ist somit überall gleich. Dies trägt der Tatsache Rechnung, dass unterschiedliche Personen an unterschiedlichen Stellen einer Matratze zu liegen pflegen, die eine Person eher in der Mitte der Matratze, die andere eher am Rand. Gleichwohl wäre es auch möglich, die Variation der Dicke alternativ über die Quererstreckung hinweg erfolgen zu lassen, so dass die Person beispielsweise wie in einer Kuhle liegt.According to the invention, the mattress also extends in a transverse direction perpendicular to the longitudinal extent, the thickness of the third layer being constant in the transverse direction at different points along the longitudinal extent remain. A longitudinal section through the mattress is therefore the same everywhere. This takes into account the fact that different people tend to lie in different places on a mattress, with one person more in the middle of the mattress and the other more on the edge. At the same time, it would also be possible to alternatively allow the thickness to be varied over the transverse extent, so that the person lies, for example, as if in a hollow.

Erfindungsgemäß ist eine Mehrzahl von sich in Querrichtung mit konstantem Querschnitt erstreckenden Aussparungen vorgesehen, wobei der Querschnitt von der Dicke der dritten Lage abhängig ist. Durch diese Aussparungen, deren Ausmaß nach Definition kleiner ist als die Variation der Dicke, kann die dritte Lage in Längsrichtung etwas nachgeben, um Kräften, die Scherkräften ähneln, und die aufgrund der variierenden Dicke auftreten, besser nachgeben zu können. Die Aussparungen können alternativ oder zusätzlich auch in der ersten Lage vorgesehen sein.According to the invention, a plurality of recesses extending in the transverse direction with a constant cross section are provided, the cross section being dependent on the thickness of the third layer. Through these recesses, the extent of which is by definition smaller than the variation in thickness, the third layer can yield somewhat in the longitudinal direction in order to be able to yield better to forces which are similar to shear forces and which occur due to the varying thickness. As an alternative or in addition, the recesses can also be provided in the first layer.

Die Variation der Dicke kann zwar kontinuierlich steigend oder kontinuierlich abfallend sein, vorzugsweise nimmt jedoch die Dicke in Richtung der Längserstreckung zunächst ab und sodann wieder zu. Es gibt daher im mittleren Bereich der Längserstreckung zumindest einen Punkt, wo die Dicke der dritten Lage maximal ist.The variation in the thickness can be continuously increasing or continuously decreasing, but the thickness preferably first decreases in the direction of the longitudinal extension and then increases again. There is therefore at least one point in the middle area of the longitudinal extension where the thickness of the third layer is at a maximum.

Vorzugsweise nimmt die Dicke mehrfach ab und/oder mehrfach zu, also nimmt sie in unterschiedlichen Bereichen ab, die von zumindest einem Bereich mit zunehmender Dicke der dritten Lage getrennt sind und/oder in unterschiedlichen Bereichen zu, die von zumindest einem Bereich mit abnehmender Dicke der dritten Lage getrennt sind. Auf diese Weise kann die Matratze individuell an den Körper einer einzelnen Person angepasst werden.The thickness preferably decreases several times and / or increases several times, so it decreases in different areas that are separated from at least one area with increasing thickness of the third layer and / or in different areas that are separated by at least one area with decreasing thickness of the third layer are separated. In this way, the mattress can be individually adapted to the body of a single person.

Bei einer weiteren bevorzugten Ausführungsform der Erfindung nimmt die Dicke der ersten Lage, die als Abstand der von der zweiten Lage weg weisenden Außenoberfläche der ersten Lage zur zweiten Lage definiert ist, in einer Richtung zu, in der die Dicke der dritten Lage abnimmt und umgekehrt. Es gleicht also die erste Lage zumindest teilweise die Variation der dritten Lage aus. Dadurch ist die Dickenvariation beim Matratzenkörper als Ganzem außen wenig zu sehen. Besonders vorzugsweise ist hierbei vorgesehen, dass die Gesamtdicke der Matratze zumindest abschnittsweise konstant ist. Dies ist dann der Fall, wenn die Dicke der ersten Lage in einer Richtung im gleichen Maße zunimmt, in der die Dicke der dritten Lage abnimmt und umgekehrt. Dann sieht die Matratze von außen so aus wie eine herkömmliche Matratze, kann also insbesondere quaderförmig sein.In a further preferred embodiment of the invention, the thickness of the first layer, which is defined as the distance between the outer surface of the first layer facing away from the second layer and the second layer, increases in a direction in which the thickness of the third layer decreases and vice versa. So it is the same as the first Position at least partially the variation of the third position. As a result, the thickness variation in the mattress body as a whole is hardly visible on the outside. It is particularly preferably provided here that the total thickness of the mattress is constant, at least in sections. This is the case when the thickness of the first layer increases in one direction to the same extent that the thickness of the third layer decreases and vice versa. Then the mattress looks like a conventional mattress from the outside, so it can in particular be cuboid.

Die Variation der Dicke der dritten und/oder der ersten Lage erfolgt vorzugsweise in einem Ausmaß, welches mindestens ein Drittel, vorzugsweise mindestens die Hälfte und weiter vorzugsweise mindestens zwei Drittel der Dicke der zweiten Lage beträgt. Somit sind die Federelemente nicht sämtlich senkrecht, sondern stehen ein wenig quer, wodurch die lokal wirkende Federkraft besonders leicht einstellbar wird.The thickness of the third and / or the first layer is preferably varied to an extent which is at least one third, preferably at least half and more preferably at least two thirds of the thickness of the second layer. Thus, the spring elements are not all vertical, but are a little transverse, so that the locally acting spring force is particularly easy to adjust.

In an sich bekannter Weise bestehen die erste und/oder die dritte Lage aus Schaumstoff oder umfassen Schaumstoff.In a manner known per se, the first and / or the third layer consist of foam or comprise foam.

Die Federelemente können Taschenfedern, Federkerne und/oder Schaumstofffedern umfassen und sind vorzugsweise so ausgebildet, wie die Schaumstofffedern aus der EP 2 421 410 B1 : Sie weist einen röhrenförmigen federnden Körper auf, der aus Schaumstoff besteht und eine Außenwand bildet, mit Löchern, die sich von einer Außenfläche zu einer Innenfläche nach innen erstrecken, wobei diese Löcher in einer gestaffelten Symmetrie angeordnet sind und im Wesentlichen rautenförmig sind, wobei der röhrenförmige Körper die Löcher nur über einen begrenzten Teil seiner Oberfläche aufweist und wobei sich dieser begrenzte Teil regelmäßig mit einem begrenzten Teil der Oberfläche abwechselt, welcher nicht mit den Löchern versehen ist und der längsgerichtete Verstärkungsrippen in der Wand des röhrenförmigen Körpers der Feder bildet.The spring elements can comprise pocket springs, spring cores and / or foam springs and are preferably designed like the foam springs from FIG EP 2 421 410 B1 : It has a tubular resilient body made of foam and forming an outer wall, with holes extending inwardly from an outer surface to an inner surface, these holes being arranged in a staggered symmetry and being substantially diamond-shaped, the tubular body has the holes only over a limited part of its surface and this limited part regularly alternates with a limited part of the surface which is not provided with the holes and which forms longitudinal reinforcing ribs in the wall of the tubular body of the spring.

Weiter vorzugsweise ist vorgesehen, dass auf der dritten Lage der Matratze eine vierte Lage angeordnet ist, deren Dicke vorzugsweise über alle Erstreckungsrichtungen hinweg konstant bleibt.It is further preferably provided that a fourth layer is arranged on the third layer of the mattress, the thickness of which preferably remains constant over all directions of extension.

Nachfolgend werden bevorzugte Ausführungsformen der erfindungsgemäßen Matratze unter Bezug auf die Zeichnung näher beschrieben, in der:

FIG. 1
eine perspektivische Ansicht einer ersten Ausführungsform der erfindungsgemäßen Matratze ist,
FIG. 2
einen Längsschnitt der Matratze aus FIG. 1 zeigt,
FIG. 3
eine perspektivische Ansicht einer Abwandlungsform der Matratze aus FIG. 1 ist,
FIG. 4
eine perspektivische Ansicht einer zweiten nicht erfindungsgemäßen Matratze ist,
FIG. 5
einen Längsschnitt der Matratze aus FIG. 4 zeigt und
FIG. 6
einen Längsschnitt einer dritten nicht erfindungsgemäßen Matratze zeigt.
Preferred embodiments of the mattress according to the invention are described in more detail below with reference to the drawing, in which:
FIG. 1
is a perspective view of a first embodiment of the mattress according to the invention,
FIG. 2
a longitudinal section of the mattress FIG. 1 indicates,
FIG. 3
a perspective view of a modification of the mattress FIG. 1 is,
FIG. 4th
is a perspective view of a second mattress not according to the invention,
FIG. 5
a longitudinal section of the mattress FIG. 4th shows and
FIG. 6th
shows a longitudinal section of a third mattress not according to the invention.

Eine im Ganzen mit 1 bezeichnete Matratze gemäß einer ersten Ausführungsform umfasst eine erste Lage 10 aus Schaumstoff, eine zweite Lage 12 aus Federelementen 16, und eine dritte Lage 14 aus Schaumstoff. Die Federelemente 16 können aus Metall bestehen oder nach Art des Schaumstofffederelements gemäß der EP 2 421 410 B1 ausgebildet sein. Wie aus FIG. 2, einem Längsschnitt, ersichtlich, variiert bei der Matratze 1 die Dicke a1, a2, a3 der dritten Lage 14 über die Längserstreckung hinweg. Die Längserstreckung entspricht der in FIG. 1 eingezeichneten x-Achse. Die Quererstreckung der Matratze entspricht der in FIG. 1 gezeigten y-Achse. Die Dicke erstreckt sich längs der z-Achse. Die Dicke der dritten Lage ist definiert als der Abstand zwischen der Oberfläche 17 der dritten Lage 14, welche der zweiten Lage 12 abgewandt ist, zur zweiten Lage 12. Die Dicke beträgt bei der Matratze 1 im Kopfbereich a1 und verringert sich bis zu einem Schulterbereich auf a2. In x-Richtung weiter zu den Füßen hin vergrößert sich dann die Dicke weiter auf die Größe a3, um sich dann zum fußseitigen Ende auf a4 wieder zu verringern. Mit anderen Worten nimmt die Dicke der Matratze einmal ab, dann wieder zu und dann wieder geringfügig ab. Die Form folgt ungefähr einer Sinuskurve, ist jedoch nicht auf diese beschränkt. Die Matratze 1 hat im Wesentlichen eine Quaderform: In dem Maße, wie die Dicke der dritten Lage 14 abnimmt, nimmt die Dicke der ersten Lage 10 zu und umgekehrt, so dass bei gleichbleibender Dicke der zweiten Lage 12 die Gesamtdicke konstant bleibt.A mattress designated as a whole by 1 according to a first embodiment comprises a first layer 10 made of foam, a second layer 12 made of spring elements 16, and a third layer 14 made of foam. The spring elements 16 can be made of metal or in the manner of the foam spring element according to FIG EP 2 421 410 B1 be trained. How out FIG. 2 , a longitudinal section, as can be seen, in the case of the mattress 1, the thickness a 1 , a 2 , a 3 of the third layer 14 varies over the longitudinal extent. The longitudinal extension corresponds to that in FIG. 1 drawn x-axis. The transverse dimension of the mattress corresponds to that in FIG. 1 y-axis shown. The thickness extends along the z-axis. The thickness of the third layer is defined as the distance between the surface 17 of the third layer 14 facing away from 12 the second layer to the second layer 12. The thickness is in the mattress 1 in the head region a 1 and decreases to a shoulder area on a 2 . In the x-direction further towards the feet, the thickness then increases further to size a 3 , and then decreases again to a 4 at the end on the foot side. In other words, the thickness of the mattress decreases once, then increases again and then slightly decreases again. The shape roughly follows a sine curve, but is not limited to this. The mattress 1 essentially has a cuboid shape: as the thickness of the third layer 14 decreases, the thickness of the first layer increases 10 and vice versa, so that with the thickness of the second layer 12 remaining the same, the total thickness remains constant.

Bei der Matratze 1 ist nicht vorgesehen, dass die Dicke in Querrichtung (gemäß der y-Achse) variiert. Die Oberfläche 17 kann mit feinen Strukturen versehen sein, nämlich insbesondere in Form von Aussparungen 18a, 18b und 18c, wobei die Aussparungen 18a der dritten Lage 14 bei einer mittleren Dicke am größten sind, bei geringer Größe sehr klein sind und bei großer Dicke ebenfalls sehr klein sind, siehe Bezugszeichen 18b und 18c. Die erste Lage weist entsprechende Aussparungen auf, deren Querschnitt über die Querrichtung hinweg (y-Achse) einen konstanten Querschnitt aufweist, siehe die Aussparungen 19a und 19b in FIG. 1.In the case of the mattress 1, there is no provision for the thickness to vary in the transverse direction (along the y-axis). The surface 17 can be provided with fine structures, namely in particular in the form of recesses 18a, 18b and 18c, the recesses 18a of the third layer 14 being largest with a medium thickness, very small with a small size and also very large with a large thickness are small, see reference numerals 18b and 18c. The first layer has corresponding recesses, the cross-section of which has a constant cross-section over the transverse direction (y-axis), see the recesses 19a and 19b in FIG FIG. 1 .

Bei der Abwandlungsform der Matratze 1' gemäß FIG. 3 ist als weitere Lage eine vierte Lage 21 vorgesehen, die ebenfalls aus Schaumstoff bestehen kann und beispielsweise aus etwas härterem Schaumstoff besteht als die Schaumstofflagen 10 und 14. Die vierte Lage 21 kann genauso auch aus noch weicherem Schaumstoff oder einem ganz anderen Material, wie beispielsweise einer Kunststofffolie bestehen.In the modification of the mattress 1 'according to FIG. 3 a fourth layer 21 is provided as a further layer, which can also consist of foam and, for example, consists of somewhat harder foam than the foam layers 10 and 14. The fourth layer 21 can also be made of even softer foam or a completely different material, such as one Consist of plastic film.

Der Schaumstoff der gesamten Matratze kann in allen Ausführungsformen der Erfindung generell in einer Lage von konstanter Härte sein oder von variierender Härte. So ist es bei einer Ausführungsform möglich, dass durch Variation der Härte des Schaumstoffs die Wirkung einer geringeren oder einer größeren Dicke unterstützt wird, d.h. dass bei geringerer Dicke auch eine geringere Härte vorhanden ist und bei größerer Dicke eine größere Härte, oder dass genau ein Gegeneffekt erzeugt wird, also geringere Härte bei größerer Dicke und größere Härte bei kleinerer Dicke.The foam of the entire mattress can in all embodiments of the invention generally be in one layer of constant hardness or of varying hardness. In one embodiment it is possible that by varying the hardness of the foam, the effect of a lesser or greater thickness is supported, ie that with a lesser thickness there is also a lower hardness and with a greater thickness a greater hardness, or that precisely a counter-effect is generated, so lower hardness with greater thickness and greater hardness with smaller thickness.

Bei der in FIG. 4 gezeigten Matratze 2 variiert die Dicke der Matratze wesentlich intensiver. In einem Bereich w1 oberhalb des Kopfes ist die Dicke d1 mittelgroß, um sich zum Bereich über dem Kopf hin auf die Dicke d2 zu verringern, wobei dort, wo der Kopf liegt, die Dicke d3 wieder vergrößert ist und dort, wo der Hals liegt, die Dicke d4 wieder verringert ist. Im Bereich der Schultern ist die Dicke d5 wieder vergrößert, im darauf folgenden Bereich des Oberkörpers nun wieder auf d6 verringert, im Bereich des Gesäßes auf d7 vergrößert, im Bereich der Oberschenkel und Knie auf d8 verringert, im Bereich der Füße auf dg wieder vergrößert und zum fußseitigen Ende auf d10 wieder verringert. Die entsprechenden Dicken d'1, d'2, d'3, ..., d'10 der ersten Lage 20 variieren parallel gegenläufig mit der Dicke der ersten Lage, so dass immer gilt für jedes di mit i = 1 bis 10: di + 1 + d'i = D, wobei D eine Konstante der Dicke der Matratze 2 ist. Im Beispiel beträgt beispielsweise der Abstand w1 zu w2 10 cm, w2 zu w3 20 cm, w3 zu D4 15 cm, w4 zu w5 25 cm, w5 zu w6 30 cm, w6 zu w7 30 cm, w7 zu w8 25 cm, w8 zu wg 25 cm und wg zu w10 10 cm.At the in FIG. 4th mattress 2 shown varies the thickness of the mattress much more intensely. In an area w 1 above the head, the thickness d 1 is of medium size, in order to decrease towards the area above the head to the thickness d 2 , the thickness d 3 being increased again where the head is located and where there is the neck lies, the thickness d 4 is reduced again. In the area of the shoulders, the thickness d 5 is increased again, in the subsequent area of the upper body now reduced again to d 6 , enlarged to d 7 in the area of the buttocks , reduced to d 8 in the area of the thighs and knees, increased again to dg in the area of the feet and reduced again to d 10 towards the end of the foot. The respective thicknesses d 1 ', d 2', d '3, ..., d' 10 of the first layer 20 vary in opposite directions parallel to the thickness of the first layer, so that always applies to each of d i with i = 1 to 10 : d i + 1 + d ' i = D, where D is a constant of the thickness of the mattress 2. In the example, the distance w 1 to w 2 is 10 cm, w 2 to w 3 20 cm, w 3 to D 4 15 cm, w 4 to w 5 25 cm, w 5 to w 6 30 cm, w 6 to w 7 30 cm, w 7 to w 8 25 cm, w 8 to wg 25 cm and wg to w 10 10 cm.

Die Variation in der Dicke, beispielsweise d1 minus d2, d2 minus d3, usw. ist bevorzugt zumindest für einzelne Paare von aufeinanderfolgenden di größer als die Dicke eines Federelements 1. Da die Dicke der zweiten Lage 22 unmittelbar der Dicke ℓ der einzelnen Federelemente 26 entspricht, variiert somit die Dicke der dritten Lage 24 und die Dicke der ersten Lage 20 in einem Ausmaß, das größer als die Dicke der zweiten Lage 22 ist. Zumindest beträgt das Ausmaß der Variation ein Drittel der Dicke ℓ der zweiten Lage 22, vorzugsweise mindestens die Hälfte und vorzugsweise mindestens zwei Drittel.The variation in thickness, for example d 1 minus d 2 , d 2 minus d 3 , etc. is preferably greater than the thickness of a spring element 1 at least for individual pairs of consecutive d i . Since the thickness of the second layer 22 is directly equal to the thickness ℓ of the individual spring elements 26, the thickness of the third layer 24 and the thickness of the first layer 20 thus vary to an extent that is greater than the thickness of the second layer 22. The extent of the variation is at least one third of the thickness ℓ of the second layer 22, preferably at least half and preferably at least two thirds.

Den bisher gezeigten Matratzen 1, 1' und 2 ist gemein, dass Schaumstofffedern, welche röhrenförmig sind und recht lang sind, verwendet werden. FIG. 6 zeigt eine abgewandelte Form mit der ersten Lage 30, der zweiten Lage 32 und der dritten Lage 34, die sich von der Ausführungsform gemäß FIG. 1 darin unterscheidet, dass größere Schaumstofffedern 36 verwendet sind.The mattresses 1, 1 'and 2 shown so far have in common that foam springs, which are tubular and are quite long, are used. FIG. 6th FIG. 4 shows a modified form with the first layer 30, the second layer 32 and the third layer 34, which differ from the embodiment according to FIG FIG. 1 differs in that larger foam springs 36 are used.

Bei allen Ausführungsformen ist dadurch bedingt, dass sich die Dicke der ersten Lage und der dritten Lage passend zueinander ändern, dafür gesorgt, dass die in einer zweidimensional angeordneten Lage Schaumstoffelemente 16, 36 nicht immer parallel zur Richtung z der Dicke stehen, sondern schräg stehen (in Bezug auch auf die Normale der Oberfläche 17). Dadurch ist ein seitliches Einfedern ermöglicht. Dies erhöht den Komfort beim Liegen auf der Matratze. Wenn unterschiedliche Stellen des Körpers erfahren, dass die Dicke der dritten Lage 14, 24, 34 unterschiedlich ist, je nachdem, wo man liegt, und dass gerade Querkräfte durch Schräglage der Federelemente 16, 36 entstehen, fühlt sich die Person auf der Matratze besonders wohl.In all embodiments, the fact that the thickness of the first layer and the third layer change to match each other ensures that the foam elements 16, 36 arranged in a two-dimensional layer are not always parallel to the direction z of the thickness, but are inclined ( in relation to the normal of the surface 17). This enables a lateral compression. This increases the comfort when lying on the mattress. When different parts of the body experience that the thickness of the third layer 14, 24, 34 is different, depending on where you are lying, and that straight transverse forces due to the inclined position of the Spring elements 16, 36 arise, the person feels particularly comfortable on the mattress.

Claims (11)

  1. A mattress (1, 1', 2, 3) having at least one first layer (10, 20, 30), a second layer (12, 22, 32) and a third layer (14, 24, 34), wherein the second layer (12, 22, 32) comprises spring elements (16, 26, 36) and is arranged between the first layer (10, 20, 30) and the third layer (14, 24, 34), wherein the thickness (a1, a2, a3, d1, d2, d3, d4, ..., d10) of the third layer (14, 24, 34), which thickness is defined as the distance of an outer surface, which faces away from the second layer (12, 22, 32), of the third layer (14, 24, 34) from the second layer (12, 22, 32), varies locally to an extent which goes beyond the extent which is predetermined by a surface structure of the third layer (14, 24, 34) on its outer surface, wherein the mattress has a longitudinal extent with a head region, a shoulder region, a hip region and a foot region, and wherein the variation of the thickness (a1, a2, a3, d1, d2, d3, ..., d10) of the third layer (14, 24, 34) takes place in the direction of the longitudinal extent, and wherein the mattress also extends in a transverse direction perpendicular to the longitudinal extent, wherein the thickness (a1, a2, a3, d1, d2, d3, ..., d10) of the third layer (14, 24, 34) in the transverse direction remains constant at different points of the longitudinal extent, characterized by a plurality of recesses (18a, 18b, 18c, 19a, 19b) in the first layer (10) and/or the third layer (14), which recesses extend with a constant cross section in the transverse direction, the cross section of the recesses (18a, 18b, 19a, 19b) being dependent on the thickness of the third layer (14).
  2. The mattress (1, 1', 2, 3) according to claim 1, in which the outer surface of the third layer (14, 24, 34) is flat at least in sections and preferably continuously.
  3. The mattress (1, 1', 2, 3) according to any of claims 1 or 2, in which the variation takes place continuously in the direction of the longitudinal extent.
  4. The mattress (1, 1', 2, 3) according to any of the preceding claims, in which the thickness (a1, a2, a3, d1, d2, d3, ..., d10) of the third layer (14, 24, 34) initially decreases and then increases again in the direction of the longitudinal extent.
  5. The mattress (2) according to claim 4, in which the thickness (d1, d2, d3, ..., d10) of the third layer (24) decreases in the direction of the longitudinal extent in different regions which are separated by at least one region having an increasing thickness of the third layer (24), and/or increases in different regions which are separated by at least one region having a decreasing thickness of the third layer (24).
  6. The mattress (1, 1', 2, 3) according to any of the preceding claims, in which the thickness of the first layer (10, 20, 30), which thickness is defined as the distance (d'1, d'2, d'3, ..., d'10) of the outer surface, which points away from the second layer, of the first layer (10, 20, 30) from the second layer (12, 22, 32), increases in a direction in which the thickness (d1, d2, d3, ..., d10) of the third layer (14, 24, 34) decreases, and vice versa.
  7. The mattress (1, 1', 2, 3) according to any of the preceding claims, characterized in that the variation of the thickness of the third layer (14, 24, 34) and/or of the first layer (10, 20, 30) takes place to an extent which is at least one third, preferably at least half and particularly preferably at least two thirds of the thickness (f) of the second layer (12, 22, 32).
  8. The mattress (1, 1', 2, 3) according to any of the preceding claims, in which the first layer (10, 20, 30) and/or the third layer (14, 24, 34) comprises foamed material.
  9. The mattress (1, 1', 2, 3) according to any of the preceding claims, in which the spring elements (16, 26, 36) comprise pocket springs, spring cores and/or foamed material springs.
  10. The mattress (1') according to claim 9, characterized by the foamed material springs which have a tubular, resilient body which is composed of foamed material and forms an outer wall, with holes which extend inward from an outer surface to an inner surface, wherein said holes are arranged in staggered symmetry and are substantially diamond-shaped, and wherein the tubular body has the holes only over a limited part of its surface, and the limited part alternates regularly with a limited part of the surface that is not provided with the holes and that forms longitudinally directed reinforcing ribs in the wall of the tubular body of the foamed material spring.
  11. The mattress (1') according to any of the preceding claims, in which a fourth layer (21) is arranged on the third layer, the thickness of which fourth layer is preferably constant in all directions of extent.
EP17808352.3A 2017-02-20 2017-11-09 Mattress Active EP3582655B1 (en)

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USD899150S1 (en) * 2018-08-27 2020-10-20 Chih-Hui Cheng Air mattress
US11744383B2 (en) * 2020-07-22 2023-09-05 Bed Patent Holdings Limited Liability Company Mattress
USD938762S1 (en) * 2021-01-24 2021-12-21 Biyun Li Inflatable sleeping mat
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