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EP3578087B1 - Mattress with a two-layer mattress core and recess zones for hip and shoulder area - Google Patents

Mattress with a two-layer mattress core and recess zones for hip and shoulder area Download PDF

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Publication number
EP3578087B1
EP3578087B1 EP19179561.6A EP19179561A EP3578087B1 EP 3578087 B1 EP3578087 B1 EP 3578087B1 EP 19179561 A EP19179561 A EP 19179561A EP 3578087 B1 EP3578087 B1 EP 3578087B1
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EP
European Patent Office
Prior art keywords
mattress
sink
zones
layers
layer
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EP19179561.6A
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German (de)
French (fr)
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EP3578087A1 (en
Inventor
Caroline DESCHAUMES
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Individual
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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
    • A47C27/14—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
    • A47C27/14—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
    • A47C27/148—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays of different resilience

Definitions

  • the invention relates to a mattress with a two-layer mattress core and sink-in zones for the hip and shoulder area.
  • DE 20207912 U1 also discloses a mattress with a mattress core, which is formed by at least first and second plate-shaped, flat on top of each other and fixed in this position by a mattress cover combination cores, which are made of a material of different hardness compared to each other and on their two flat sides with different Surface profiles are provided, which give the two flat sides of a combination core a different degree of hardness, whereby the two combination cores can optionally be placed one on top of the other with one of their profiled flat sides and interchangeable in their bottom / top position and thus optionally one of four different mattress firmnesses can be set.
  • mattresses with softer zones for receiving the hip area and shoulder area of a person lying on the mattress are known.
  • These sink-in zones have a reduced spring strength compared to the specific spring strength of the mattress, which is present in the area outside the sink-in zones.
  • These zones are often realized by means of shaped cuts running across the width of the mattress core with material removal.
  • DE 20212460 U1 A mattress with a core made of PUR foam, cold foam, viscoelastic foam, latex or similar material, which is shaped across the width of the core with material removal in the surface in order to achieve a shoulder or pelvic lowering through the resulting softer segments.
  • Counter-shapes are custom-made in the shaped cuts and at any time by the mattress user himself to insert or remove, whereby the strength can be individually adjusted in the different zones.
  • DE 202004001574 U1 discloses a mattress with a mattress core, designed for use on a first and a second lying surface, which can be brought into a position of use by turning the mattress, the mattress core having zones of different hardness adjoining one another on both sides over the length of the mattress, on both Different distributions of the hardness zones are formed on the sides of the mattress core.
  • US 2018/008050 A1 discloses a mattress with a mattress core with at least two superimposed layers of foam with different specific spring strengths, so that one layer forms a softer layer and the other layer forms a harder layer.
  • the mattress according to the invention initially has a mattress core with at least two layers of foam, for example of cold foam, latex or visco foam, lying on top of one another. These layers have different specific spring strengths and therefore yield differently under an identical load with an identical load surface. This is the basic spring strength of the position away from the sink-in zones described later. For example, a compression hardness of approx. 3.5 kPa can be set for the softer layer and a higher compression hardness of approx. 5 kPa for the firmer layer.
  • the spring strength is usually determined by the type of foam, i.e. material, pore size and pore wall thickness. However, other measures can also be taken, e.g. E.g .: cuts and cavities. There are therefore a softer layer and a harder layer in the mattress core.
  • the person skilled in the art selects the two specific spring strengths in such a way that a desired range can be achieved through an upper / lower exchange.
  • the softer and the harder layer each have at least two sink-in zones to accommodate the hip area and shoulder area of a person lying on the mattress.
  • third sinking zones can also be provided in the leg area, which can serve as sinking zones for the shoulder when the sleeping position is twisted.
  • said two sink-in zones are initially sufficient.
  • the sinking zones have a specific sinking zone spring strength that is reduced compared to the specific spring strength of the respective layer.
  • the specific sinking zone spring strengths can differ for the individual layers.
  • the spring strengths of the shoulder and hip areas of the respective position can be of different sizes. If the leg area has a further sinking-in zone spring strength, this can serve as an alternative shoulder area, so that further combinations can be achieved by rotating the layers by 180 ° around the vertical axis.
  • the specialty is that not only one layer, but both layers each have a top and bottom, in which the sinking zones are only incorporated in such a way that different sinking zone spring strengths result, depending on whether you are from the top or the bottom Putting pressure on them.
  • the sinking zones are therefore worked into the two layers in such a way that the upper sides in the area of the sinking zones have the said reduced specific sinking zone spring strength and, however, the lower sides in the area of the sinking zones have a mean specific sinking zone spring strength, the strength of which lies between the reduced specific sinking zone spring strength. Spring strength and the specific spring strength of the respective position. Therefore the sinking zone of a layer is differently soft, depending on how around the layer lies.
  • 2 x 2 4 possibilities to vary the total degrees of hardness on the top in the area of the sinking-in zones, with the same total spring strength of the mattress on the upper side away from the sinking-in zones.
  • total spring strength on the top side and “total degrees of hardness on the top side in the area of the sinking-in zones” do not refer to a single layer, but to a load from above on the mattress with the layers lying one above the other in the mattress core.
  • the invention naturally assumes that the sinking zones of the two layers lying one above the other also lie essentially one above the other.
  • the size of the superimposed sink-in zones can also be different, that is to say extend over a different length of the mattress. However, there always remains a common zone away from all sinking zones lying one above the other.
  • the softer and the harder layer each have at least one zone away from and in particular between the sink-in zones, which has the specific spring strength of the respective layer.
  • this zone the position is just as fixed as the position would be without any sinking zone.
  • This zone is therefore just as solid on the underside as on the underside. Turning a layer in the area of these zones away from the sinking-in zones therefore has no effect on the total spring strength on the top side.
  • the person skilled in the art selects the different specific spring strengths of the layers as well as the reduced specific spring strengths and mean specific spring strengths of the sinking zones of both layers in order to cover a desired weight, body shape and comfort range in such a way that by turning the layers and above-below Changing the layers, a total of eight different mattresses can be set, with eight different degrees of total hardness on the top in the area of the sink-in zones.
  • the degrees of hardness are named according to the branch: H1: soft; H2: medium strength; H3: solid; H4: Very firm.
  • the height-weight diagram is structured as follows: With the weight, the required degree of hardness increases with the remaining height. With the body size, the required degree of hardness falls while the weight remains. Example: Long, light people need H1. Short, diverent people need H4.
  • the mattress structure according to the invention allows the production of 8 types of mattresses with just two different layers.
  • the layers can be inseparably connected during manufacture so that the mattress type can no longer be changed.
  • preference is given to a mattress which the user can adapt to his needs at any time, in which the layers can be subjected to an upper-lower exchange and a turning several times by the user of the mattress.
  • a layering of more than 2 of the layers of different specific spring strengths described according to the invention can of course also be used to increase the number of variants.
  • slip resistance is preferably provided, which prevents the layers from shifting horizontally relative to one another. Otherwise, over time, this can occur through movements on the mattress and cause undesirable changes in shape.
  • Slip resistance can in particular friction-increasing materials or releasable connections, z. B .: be Velcro straps.
  • the sink-in zones of the layers are preferably formed by several cavities - also called spring pockets - extending next to one another, in particular parallel to one another, over the width of the mattress. These make it easier to compress, there Foam material can be pressed into these cavities.
  • One possibility of making the spring strength on the top side less than the spring strength on the underside in the sinking area of the layer is, for example, cavities closer to the top than to the underside of the layers.
  • the reduced specific sinking zone spring strengths in the area of two superimposed sinking zones of the two superimposed layers are designed so that in the harder layer the smaller of the two reduced specific sinking zone spring strengths is greater than the larger of the two reduced specific sinking zone spring strengths in the softer position. Otherwise, the properties partially cancel each other out when swapping and / or turning.
  • cuts preferably extend from the surface of the upper side of the layers in the direction of the cavities, preferably over the entire width of the mattress.
  • the cuts ensure that the strips at least touch each other and cannot be moved completely independently of one another, which can lead to holes / steps in the surface.
  • the spring deflection behavior of the sinking zones can be influenced by the cross section of the cavities.
  • a constant spring strength over long spring travel is obtained with round and square cross-sections.
  • cross-sections are preferred which have a spring line that increases with the spring travel. These are in particular in the form of a downwardly corrugated or accordion-shaped cross section.
  • Mattress pads or "toppers” for short can form the top of a mattress. This is a mat a few centimeters thick, which is supposed to increase sleeping comfort in every lying position and is gentle on the mattress underneath.
  • the topper often consists of virgin sheep's wool, horsehair, cold foam, viscoelastic material or latex and usually a cover that can be removed for hygienic reasons. As a continuous topper, it creates a common lying area in the double bed.
  • Further mattress variations can be provided if a mattress topper can be provided on the upper of the two layers, the two sides of which have different comfort-relevant properties, with one side preferably consisting of viscose foam and the other side of gel foam.
  • the previous 8 variations can therefore be tripled to a total of 24, since preferably the mattress can be provided by the user with or without the mattress topper and the mattress topper can optionally be detachably connected with one of its two sides to the upper of the two layers.
  • Each layer is preferably provided with its own cover, in particular with slip resistance to prevent the layers from slipping horizontally against one another. This protects the sensitive foam layers from dirt and mutual abrasion.
  • the cover can have a slip-resistant effect or be designed so that the layers do not slip against each other, e.g. E.g .: by means of a thin elastic fleece or net.
  • a common elastic fleece or net can also be used, which envelops all layers, optionally including an overlay, in order to make it more difficult for the layers to slip relative to one another.
  • a cover that can be opened without tools is provided to cover and hold the mattress core formed from the layers, the layers are protected and securely held and can be replaced and turned.
  • the mattress topper can also be encased and held by the envelope.
  • the cover is preferably closed by means of a zipper, in particular all around, so that the cover can exert pressure on the mattress core.
  • the height of the layers is preferably 6-15 cm, preferably 8-12 cm.
  • the mattress topper has a height of 4-8 cm, preferably 5-7 cm.
  • the lengths and widths correspond to the usual mattress dimensions. The length is therefore preferably 1.9-2.1 m, the width 0.8-1.8 m.
  • Fig. 1 shows the schematic structure of the mattress 100 according to the invention with a mattress core 10.
  • This has two layers H, W made of foam material on top of one another. These have different specific spring strengths, which are formed here by the different compressive strengths of the materials. Therefore, in Fig. 1 the upper layer the softer layer W and the lower layer a harder layer H.
  • Both layers H, W lying on top of one another each have two different sink-in zones ZH, ZW (left and middle position) to accommodate the hip area and shoulder area of a person lying on the mattress.
  • the right sink-in zones mirror the right shoulder zone, so that the foot and head end of the mattress are interchangeable.
  • Pockets or incisions ensure that the sinking zones ZH, ZW have a specific sinking zone spring strength that is reduced compared to the specific spring strength of the respective layer H, W.
  • the sink-in zones for the hip area and shoulder area can have different spring strengths and be designed differently, but are subject to the following conditions:
  • Fig. 1 also shows that the two layers each have an upper side OH, OW and an underside UH, UW.
  • the sinking zones ZH, ZW are worked into the two layers H, W in such a way that the spring strength changes by turning against a load from above:
  • the upper sides OH, OW in the area of the sinking zones have the reduced specific sinking zone spring strength and the Undersides UW, UH in the area of the sinking zones a mean specific sinking zone spring strength, the strength lies between the reduced specific sinking zone spring strength and the specific spring strength of the respective layer.
  • the pockets or incisions of the sink-in zones point downwards, so that the sink-in zones are less soft. If, on the other hand, the incisions point upwards, the strips formed by the incisions can deflect deeper independently and therefore more easily.
  • the lower layer H which, by turning it around, allows the sinking zone ZW located above it to be influenced further without influencing the overall hardness of the mattress. Rather, this is influenced by the top-bottom exchange of the two layers H, W.
  • the sink-in zones ZH of the lower layer H point downwards, so that overall there is less softness of the mattresses in the area of the sink-in zones.
  • An envelope 20 holds the two layers H, W together. On top of this lies the mattress pad 30, one side 31 of which consists of viscose foam and the other side of gel foam 32.
  • Fig. 2 shows the matrix of the possible combinations of the two layers H, W which can be reversed according to the invention and can be exchanged at the top and bottom.
  • the lower layer is here with the pockets / incisions facing down.
  • the strips formed by the incisions cannot deflect independently of one another and are therefore relatively difficult to compress.
  • the total hardness of the mattress is achieved by exchanging the top and bottom of the two layers. With the same configuration, this exchange results in a change in the degree of hardness from H1 to H3 or from H2 to H4.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Description

Die Erfindung betrifft eine Matratze mit einem zweilagigen Matratzenkern und Einsinkzonen für Hüft- und Schulterbereich.The invention relates to a mattress with a two-layer mattress core and sink-in zones for the hip and shoulder area.

Es sind Matratzen mit einem Matratzenkern mit mindestens zwei aufeinander liegenden Lagen aus Schaumstoff mit unterschiedlichen spezifischen Federstärken bekannt, bei denen die eine Lage eine weichere Lage und andere Lage eine härtere Lage bildet. Durch Wenden der Matratze kann der Nutzer entscheiden, ob die härtere oder weichere Lage oben liegt. Die oberseitige Lage und deren Härte bzw. Federstärke ist entscheidend für die vom Nutzer wahrgenommen Härte der Matratze.There are known mattresses with a mattress core with at least two superimposed layers of foam with different specific spring strengths, in which one layer forms a softer layer and the other layer forms a harder layer. By turning the mattress, the user can decide whether the harder or softer layer is on top. The top position and its hardness or spring strength is decisive for the hardness of the mattress perceived by the user.

DE 20207912 U1 offenbart darüber hinaus eine Matratze mit einem Matratzenkern, der durch zumindest erste und zweite plattenförmige, flach aufeinander liegende und in dieser Position durch eine Matratzenhülle fixierte Kombikerne gebildet ist, die im Vergleich zu einander aus einem Material unterschiedlicher Härte bestehen und auf ihren beiden Flachseiten mit unterschiedlichen Oberflächenprofilierungen versehen sind, die den beiden Flachseiten eines Kombikernes einen unterschiedlichen Härtegrad verleihen, wobei die beiden Kombikerne wahlweise mit einer ihrer profilierten Flachseite aufeinander legbar und in ihrer Unten/Oben-Position gegeneinander austauschbar sind und somit wahlweise eine von vier verschiedenen Matratzenhärten einstellbar ist. Es sind dabei keine speziellen Einsinkzonen für Hüfte und Schulter vorgesehen. DE 20207912 U1 also discloses a mattress with a mattress core, which is formed by at least first and second plate-shaped, flat on top of each other and fixed in this position by a mattress cover combination cores, which are made of a material of different hardness compared to each other and on their two flat sides with different Surface profiles are provided, which give the two flat sides of a combination core a different degree of hardness, whereby the two combination cores can optionally be placed one on top of the other with one of their profiled flat sides and interchangeable in their bottom / top position and thus optionally one of four different mattress firmnesses can be set. There are no special sink-in zones for the hips and shoulders.

Ferner sind Matratzen mit weicheren Zonen zur Aufnahme des Hüftbereichs und Schulterbereichs einer auf der Matratze liegenden Person bekannt. Diese Einsinkzonen haben eine im Vergleich zur spezifischen Federstärke der Matratze, welche im Bereich außerhalb der Einsinkzonen vorliegt, reduzierte Federstärke. Diese Zonen werden häufig durch über die Breite des Matratzenkerns verlaufende Formschnitte mit Materialentnahme realisiert. Beispielsweise offenbart DE 20212460 U1 eine Matratze mit einem aus PUR-Schaum, Kaltschaum, viskoelastischem Schaum, Latex oder ähnlichem Material bestehenden Kern, welcher quer über die Kernbreite verlaufende Formschnitte mit Materialentnahme in der Oberfläche erhält, um durch die somit entstehenden weicheren Segmente eine Schulter bzw. Beckenabsenkung zu erzielen. In die Formschnitte sind Gegenformen individuell und jederzeit vom Matratzennutzer selbst einzusetzen bzw. herauszunehmen, wodurch sich die Festigkeit in den verschiedenen Zonen individuell einstellen lässt.Furthermore, mattresses with softer zones for receiving the hip area and shoulder area of a person lying on the mattress are known. These sink-in zones have a reduced spring strength compared to the specific spring strength of the mattress, which is present in the area outside the sink-in zones. These zones are often realized by means of shaped cuts running across the width of the mattress core with material removal. For example disclosed DE 20212460 U1 A mattress with a core made of PUR foam, cold foam, viscoelastic foam, latex or similar material, which is shaped across the width of the core with material removal in the surface in order to achieve a shoulder or pelvic lowering through the resulting softer segments. Counter-shapes are custom-made in the shaped cuts and at any time by the mattress user himself to insert or remove, whereby the strength can be individually adjusted in the different zones.

DE 202004001574 U1 offenbart eine Matratze mit einem Matratzenkern, ausgebildet zur Benutzung auf einer ersten und einer zweiten Liegefläche, die durch Wenden der Matratze in eine Benutzungsposition bringbar ist, wobei der Matratzenkern auf beiden Seiten über die Länge der Matratze aneinander angrenzende Zonen unterschiedlicher Härte aufweist, wobei auf beiden Seiten des Matratzenkerns unterschiedliche Verteilungen der Härtezonen ausgebildet sind. DE 202004001574 U1 discloses a mattress with a mattress core, designed for use on a first and a second lying surface, which can be brought into a position of use by turning the mattress, the mattress core having zones of different hardness adjoining one another on both sides over the length of the mattress, on both Different distributions of the hardness zones are formed on the sides of the mattress core.

US 2018/008050 A1 offenbart eine Matratze mit einem Matratzenkern mit mindestens zwei aufeinander liegenden Lagen aus Schaumstoff mit unterschiedlichen spezifischen Federstärken, so dass die eine Lage eine weichere Lage und die andere Lage eine härtere Lage bildet. US 2018/008050 A1 discloses a mattress with a mattress core with at least two superimposed layers of foam with different specific spring strengths, so that one layer forms a softer layer and the other layer forms a harder layer.

DE 201 02 701 U1 offenbart eine Wendematratze mit verschiedenen Einsinkzonen in den Oberseiten der jeweiligen Schicht und beschreibt, wie eine Zonierung bei Wendematratzen eingesetzt werden kann. DE 201 02 701 U1 discloses a reversible mattress with different sink-in zones in the upper sides of the respective layer and describes how zoning can be used in reversible mattresses.

Die Auswahl einer für den jeweiligen Matratzennutzer geeigneten Matratze ist trotz fachlicher Beratung schwierig, weshalb der Handel häufig großzügige Umtauschmöglichkeiten einräumt. Diese sind teuer und häufig scheut der Kunde den Aufwand, eine andere Matratzenhärte und/oder unterschiedlich weiche Einsinkzonen für Schulter/Hüfte über einen längeren Zeitraum auszuprobieren. Die oben beschriebenen Matratzen bieten zwar eine gewisse Variation durch den Matratzennutzer, aber in er Regel kann er nur einen Parameter verändern, nämlich die Härte der Matratze oder die Härte der Einsinkzonen. Dies kann aber nicht die üblichen Körperformen, Gewichtstypen und Liegegewohnheiten zufriedenstellend abdecken. Auch bei Matratzen, die durch den Kunden unveränderbar sind, z. B.: wegen verklebter Lagen und eingenähtem Kern, wäre es vorteilhaft, wenn mit weniger Komponenten mehr Variationen herstellbar wären.The selection of a suitable mattress for the respective mattress user is difficult despite professional advice, which is why the trade often gives generous exchange options. These are expensive and the customer often shies away from the effort of trying out a different mattress firmness and / or different soft sink-in zones for shoulders / hips over a longer period of time. The mattresses described above offer a certain variation by the mattress user, but as a rule he can only change one parameter, namely the hardness of the mattress or the hardness of the sinking zones. However, this cannot satisfactorily cover the usual body shapes, weight types and lying habits. Even with mattresses that cannot be changed by the customer, e.g. For example, because of glued layers and a sewn-in core, it would be advantageous if more variations could be produced with fewer components.

Es ist daher Aufgabe der vorliegenden Erfindung eine verbesserte Matratze zu schaffen.It is therefore the object of the present invention to create an improved mattress.

Diese Aufgabe wird gelöst durch eine Matratze mit den Merkmalen des Hauptanspruchs. Vorteilhafte Ausgestaltungen sind Gegenstand der Unteransprüche.This problem is solved by a mattress with the features of the main claim. Advantageous refinements are the subject of the subclaims.

Die erfindungsgemäße Matratze weist zunächst einen Matratzenkern mit mindestens zwei aufeinander liegenden Lagen aus Schaumstoff, beispielsweise aus Kaltschaum, Latex oder Viscoschaum, auf. Diese Lagen besitzen unterschiedliche spezifische Federstärken und geben daher bei einer identischen Last mit identischer Lastfläche unterschiedlich nach. Es handelt sich dabei um die grundsätzliche Federstärke der Lage abseits der später beschriebenen Einsinkzonen. Beispielsweise kann für die weichere Lage eine Stauchhärte von ca. 3,5 kPa und für die festere Lage eine höhere Stauchhärte von ca 5 kPa eingestellt sein. Die Federstärke wird in der Regel bestimmt durch die Art des Schaums, also Material, Porengröße und Porenwandstärke. Es können aber auch andere Maßnahmen ergriffen sein, z. B.: Schnitte und Hohlräume. Es liegen daher im Matratzenkern eine weichere Lage und eine härtere Lage vor. Der Fachmann wählt dabei die beiden spezifischen Federstärken so aus, dass ein gewünschter Bereich durch Oben/Unten-Austausch erreichbar ist.The mattress according to the invention initially has a mattress core with at least two layers of foam, for example of cold foam, latex or visco foam, lying on top of one another. These layers have different specific spring strengths and therefore yield differently under an identical load with an identical load surface. This is the basic spring strength of the position away from the sink-in zones described later. For example, a compression hardness of approx. 3.5 kPa can be set for the softer layer and a higher compression hardness of approx. 5 kPa for the firmer layer. The spring strength is usually determined by the type of foam, i.e. material, pore size and pore wall thickness. However, other measures can also be taken, e.g. E.g .: cuts and cavities. There are therefore a softer layer and a harder layer in the mattress core. The person skilled in the art selects the two specific spring strengths in such a way that a desired range can be achieved through an upper / lower exchange.

Darüber hinaus verfügen die weichere und die härtere Lage jeweils mindestens über zwei Einsinkzonen zur Aufnahme des Hüftbereichs und Schulterbereichs einer auf der Matratze liegenden Person. Da Matratzen in der Regel keinen definierten Kopfbereich haben, können auch dritte Einsinkzonen im Beinbereich vorgesehen sein, die bei verdrehter Schlaflage als Einsinkzone für die Schulter dienen können. Für die Erfindung sind aber zunächst besagte zwei Einsinkzonen ausreichend. Die Einsinkzonen weisen eine im Vergleich zur spezifischen Federstärke der jeweiligen Lage reduzierte spezifische Einsinkzonen-Federstärke auf. Diese Einsinkzonen sind orthopädisch wichtig, damit die Wirbelsäule nachts immer ihre natürliche Form erreicht, unabhängig ob Seitenschlaf oder Rückenschlaf. In Seitenlage ist die natürliche Form gerade und in Rückenlage soll die natürliche S-Form erreicht werden. Es sei darauf hingewiesen, dass die spezifischen Einsinkzonen-Federstärken sich bei den einzelnen Lagen unterscheiden können. Ferner können die Einsinkzonen-Federstärken des Schulter- und Hüftbereich der jeweiligen Lage unterschiedlich groß sein. Wenn der Beinbereich eine weitere Einsinkzonen-Federstärke aufweist, kann dieser als alternativer Schulterbereich dienen, so dass weitere Kombinationen durch 180° Drehung der Lagen um die Hochachse erreicht werden können.In addition, the softer and the harder layer each have at least two sink-in zones to accommodate the hip area and shoulder area of a person lying on the mattress. Since mattresses usually do not have a defined head area, third sinking zones can also be provided in the leg area, which can serve as sinking zones for the shoulder when the sleeping position is twisted. For the invention, however, said two sink-in zones are initially sufficient. The sinking zones have a specific sinking zone spring strength that is reduced compared to the specific spring strength of the respective layer. These sink-in zones are orthopedically important so that the spine always reaches its natural shape at night, regardless of whether you are sleeping on your side or on your back. In the lateral position the natural shape is straight and in the supine position the natural S-shape should be achieved. It should be noted that the specific sinking zone spring strengths can differ for the individual layers. Furthermore, the spring strengths of the shoulder and hip areas of the respective position can be of different sizes. If the leg area has a further sinking-in zone spring strength, this can serve as an alternative shoulder area, so that further combinations can be achieved by rotating the layers by 180 ° around the vertical axis.

Die Besonderheit liegt darin, dass nicht nur eine Lage, sondern beide Lagen jeweils eine Oberseite und Unterseite aufweisen, in welche die Einsinkzonen nur so eingearbeitet sind, dass sich unterschiedliche Einsinkzonen-Federstärken ergeben, je nachdem, ob man von der Ober- oder der Unterseite Druck auf diese ausübt. Die Einsinkzonen sind daher derart in die beiden Lagen eingearbeitet, dass die Oberseiten im Bereich der Einsinkzonen die besagte reduzierte spezifische Einsinkzonen-Federstärke aufweist und jedoch die Unterseiten im Bereich der Einsinkzonen eine mittlere spezifische Einsinkzonen-Federstärke aufweist, deren Stärke zwischen der reduzierten spezifische Einsinkzonen-Federstärke und der spezifischen Federstärke der jeweiligen Lage liegt. Daher ist die Einsinkzone einer Lage unterschiedlich weich, je wie herum die Lage liegt. Es ändert sich dabei aber nicht die spezifische Federstärke der Lage abseits der Einsinkzonen. Durch Wenden einer Lage kann daher die Weichheit der Einsinkzone verändert werden, ohne dass sich die Grundhärte der Lage ändert. Da diese Beeinflussung der Weichheit der Einsinkzonen für beide übereinander liegende Lagen unabhängig durchgeführt werden kann, erlaubt die erfindungsgemäße Matratze daher 2 daher 2 x 2 = 4 Möglichkeiten, die oberseitigen Gesamthärtegrade im Bereich der Einsinkzonen zu variieren, bei gleichbleibender oberseitiger Gesamtfederstärke der Matratze abseits der Einsinkzonen. Durch einen Oben-Unten-Austausch der Lagen ergeben sich 2 weitere Möglichkeiten, welche sowohl die oberseitige Gesamtfederstärke abseits der Einsinkzonen und die oberseitigen Gesamthärtegrade im Bereich der Einsinkzonen variieren. Es sind daher mit den beiden erfindungsgemäß gestalteten Lagen durch Wenden und/oder Oben-Unten-Austausch 8 Varianten erzeugbar.The specialty is that not only one layer, but both layers each have a top and bottom, in which the sinking zones are only incorporated in such a way that different sinking zone spring strengths result, depending on whether you are from the top or the bottom Putting pressure on them. The sinking zones are therefore worked into the two layers in such a way that the upper sides in the area of the sinking zones have the said reduced specific sinking zone spring strength and, however, the lower sides in the area of the sinking zones have a mean specific sinking zone spring strength, the strength of which lies between the reduced specific sinking zone spring strength. Spring strength and the specific spring strength of the respective position. Therefore the sinking zone of a layer is differently soft, depending on how around the layer lies. However, the specific spring strength of the position away from the sink-in zones does not change. By turning a layer, the softness of the sinking zone can therefore be changed without changing the basic hardness of the layer. Since this influencing of the softness of the sink-in zones can be carried out independently for both layers lying one above the other, the mattress according to the invention therefore allows 2 therefore 2 x 2 = 4 possibilities to vary the total degrees of hardness on the top in the area of the sinking-in zones, with the same total spring strength of the mattress on the upper side away from the sinking-in zones. By exchanging the layers above and below, there are 2 further possibilities, which vary both the total spring strength on the top side away from the sinking-in zones and the total hardness on the top side in the area of the sinking-in zones. It is therefore possible to produce 8 variants with the two layers designed according to the invention by turning and / or exchanging top and bottom.

Die Begriffe "oberseitige Gesamtfederstärke" und "oberseitige Gesamthärtegrade im Bereich der Einsinkzonen" beziehen sich nicht auf eine einzelne Lage, sondern auf eine Last von oben auf die Matratze mit den im Matratzenkern übereinander liegenden Lagen.The terms "total spring strength on the top side" and "total degrees of hardness on the top side in the area of the sinking-in zones" do not refer to a single layer, but to a load from above on the mattress with the layers lying one above the other in the mattress core.

Die Erfindung setzt naturgemäß voraus, dass die Einsinkzonen der beiden übereinanderliegenden Lagen auch im Wesentlichen übereinander liegen. Dabei kann die Größe der übereinanderliegenden Einsinkzonen auch unterschiedlich sein, sich also über eine abweichende Länge der Matratze erstrecken. Es verbleibt aber immer eine gemeinsame Zone abseits aller übereinanderliegenden Einsinkzonen.The invention naturally assumes that the sinking zones of the two layers lying one above the other also lie essentially one above the other. The size of the superimposed sink-in zones can also be different, that is to say extend over a different length of the mattress. However, there always remains a common zone away from all sinking zones lying one above the other.

Insbesondere weisen die weichere und die härtere Lage jeweils mindestens eine Zone abseits und insbesondere zwischen den Einsinkzonen auf, welche die spezifische Federstärke der jeweiligen Lage aufweist. In dieser Zone ist die Lage also genauso fest, wie die Lage ohne jede Einsinkzone wäre. Diese Zone ist auf der Unterseite daher genauso fest wie auf der Unterseite. Das Wenden einer Lage hat daher im Bereich dieser Zonen abseits der Einsinkzonen keinerlei Einfluss auf die oberseitige Gesamtfederstärke.In particular, the softer and the harder layer each have at least one zone away from and in particular between the sink-in zones, which has the specific spring strength of the respective layer. In this zone the position is just as fixed as the position would be without any sinking zone. This zone is therefore just as solid on the underside as on the underside. Turning a layer in the area of these zones away from the sinking-in zones therefore has no effect on the total spring strength on the top side.

Allgemein formuliert, wählt dazu der Fachmann zur Abdeckung eines gewünschten Gewichts-, Körperform, und Komfortbereichs die unterschiedlichen spezifischen Federstärken der Lagen sowie die reduzierten spezifischen Federstärken und mittleren spezifischen Federstärken der Einsinkzonen beider Lagen derart aus, dass durch Wenden der Lagen und Oben-Unten-Austausch der Lagen insgesamt acht verschiedene Matratzen einstellbar sind, mit acht unterschiedlichen oberseitigen Gesamthärtegraden im Bereich der Einsinkzonen.In general terms, the person skilled in the art selects the different specific spring strengths of the layers as well as the reduced specific spring strengths and mean specific spring strengths of the sinking zones of both layers in order to cover a desired weight, body shape and comfort range in such a way that by turning the layers and above-below Changing the layers, a total of eight different mattresses can be set, with eight different degrees of total hardness on the top in the area of the sink-in zones.

Diese Auswahl ermöglicht dann anatomisch unterschiedlichen Kunden aus den gleichen hier beschriebenen wenigen Komponenten die die für ihn beste Matratze zusammenzustellen. Er kann die Eigenschaften aber auch selber nachträglich anpassen, beispielsweise wenn sich seine Anatomie verändert hat. Im Wesentlichen kann er auf einer später beschriebene Matrix zurückgreifen zur Ermittlung der orthopädisch günstigsten Matratze, wobei die Parameter Gewicht, Körpergröße und Körperformen, also die Gewichtsverteilung zwischen Schulterbereich, Bauchbereich und Hüftbereich.This selection then enables anatomically different customers to put together the best mattress for them from the same few components described here. But he can also adjust the properties himself afterwards, for example if its anatomy has changed. In essence, he can fall back on a matrix described later to determine the orthopedically most favorable mattress, with the parameters weight, body size and body shape, i.e. the weight distribution between the shoulder area, stomach area and hip area.

Die Lehre der einzelnen Merkmale und deren Wirkungen der unterschiedlichen spezifischen Federstärken der Lagen sowie die reduzierten spezifischen Federstärken und mittleren spezifischen Federstärken der Einsinkzonen beider Lagen lautet daher:

  1. a) allein durch Oben-Unten-Austausch der beiden Lagen sind zwei unterschiedliche oberseitige Gesamtfederstärken der Matratze abseits der Einsinkzonen sowie gleichzeitig zwei unterschiedliche Gesamthärtegrade im Bereich der Einsinkzonen herstellbar.
  2. b) allein durch Wenden der oberen Lage sind zwei unterschiedliche Gesamthärtegrade im Bereich der Einsinkzonen herstellbar, ohne dass sich die oberseitige Gesamtfederstärke der Matratze abseits der Einsinkzonen verändert; und
  3. c) allein durch Wenden der unteren Lage sind zwei weitere unterschiedliche Gesamthärtegrade im Bereich der Einsinkzonen herstellbar sind, ohne dass sich die oberseitige Gesamtfederstärke der Matratze abseits der Einsinkzonen verändert;
The teaching of the individual features and their effects of the different specific spring strengths of the layers as well as the reduced specific spring strengths and mean specific spring strengths of the sinking zones of both layers is therefore:
  1. a) simply by exchanging the two layers from above and below, two different total spring strengths on the top side of the mattress away from the sinking-in zones and, at the same time, two different total degrees of hardness in the sinking-in zones can be produced.
  2. b) just by turning the top layer, two different degrees of total hardness can be produced in the area of the sinking-in zones, without the total spring strength of the mattress on the top side changing away from the sinking-in zones; and
  3. c) just by turning the lower layer, two further different total degrees of hardness can be produced in the area of the sinking-in zones without changing the total spring strength of the mattress on the top side away from the sinking-in zones;

Daraus ergibt sich folgende Matrix, die insbesondere in der Beratung einsetzbar ist: Härtegrad weniger Zonierung stärkere Zonierung H1 Weiche Lage oben mit Einsinkzonen oben; Harte Lage unten mit Einsinkzonen unten Weiche Lage oben mit Einsinkzonen oben; Harte Lage unten mit Einsinkzonen oben H2 Weiche Lage oben mit Einsinkzonen unten Harte Lage unten mit Einsinkzonen unten Weiche Lage oben mit Einsinkzonen unten Harte Lage unten mit Einsinkzonen oben H3 Harte Lage oben mit Einsinkzonen oben; Weiche Lage unten mit Einsinkzonen unten Harte Lage oben mit Einsinkzonen oben; Weiche Lage unten mit Einsinkzonen oben H4 Harte Lage oben mit Einsinkzonen unten Weiche Lage unten mit Einsinkzonen unten Harte Lage oben mit Einsinkzonen unten Weiche Lage unten mit Einsinkzonen oben This results in the following matrix, which can be used in particular in consulting: Degree of hardness less zoning stronger zoning H1 Soft layer at the top with sink-in zones at the top; Hard position at the bottom with sinking zones at the bottom Soft layer at the top with sink-in zones at the top; Hard position at the bottom with sinking zones at the top H2 Soft layer above with sinking-in zones below. Hard layer below with sinking-in zones below Soft layer above with sinking-in zones below. Hard layer below with sinking-in zones above H3 Hard position on top with sinking zones on top; Soft layer at the bottom with sink-in zones at the bottom Hard position on top with sinking zones on top; Soft layer at the bottom with sink zones at the top H4 Hard layer above with sinking-in zones below. Soft layer below with sinking-in zones below Hard layer above with sinking-in zones below. Soft layer below with sinking-in zones above

Die Härtegrade werden branchentypisch benannt: H1: Weich; H2: Mittelfest; H3: Fest; H4: Sehr Fest.The degrees of hardness are named according to the branch: H1: soft; H2: medium strength; H3: solid; H4: Very firm.

Die Auswahl einer Matratze kann erfindungsgemäß so erfolgen:

  • Schritt 1: Bestimmung des Härtegrades H1 - H4 mittels Körpergröße und Gewicht anhand eines Größe-Gewicht- Diagramms.
  • Schritt 2: Entscheidung Körperformtyp: Weniger Zonierung brauchen Personen ohne ausgeprägte Schultern oder Hüften. Das Ergebnis ist dann die Entscheidung "weniger Zonierung" oder "stärkere Zonierung".
  • Schritt 3: Zusammenstellung der Matratze anhand der Parameter Härtegrad und Zonierung gemäß obiger Matrix.
According to the invention, a mattress can be selected as follows:
  • Step 1: Determination of the degree of hardness H1 - H4 by means of height and weight using a height-weight diagram.
  • Step 2: Decide on the body shape type: People without pronounced shoulders or hips need less zoning. The result is then the decision "less zoning" or "more zoning".
  • Step 3: Composition of the mattress based on the parameters hardness and zoning according to the above matrix.

Das Körpergröße-Gewicht- Diagramms ist so aufgebaut: Mit dem Gewicht stiegt bei bleibender Körpergröße der benötigte Härtegrad an. Mit der Körpergröße fällt bei bleibendem Gewicht der benötigte Härtegrad ab. Beispiel: Lange leichte Personen brauchen H1. Kurze korpulente Personen brauchen H4.The height-weight diagram is structured as follows: With the weight, the required degree of hardness increases with the remaining height. With the body size, the required degree of hardness falls while the weight remains. Example: Long, light people need H1. Short, corpulent people need H4.

Der erfindungsgemäße Matratzenaufbau erlaubt bereits mit nur zwei unterschiedlichen Lagen die Herstellung von 8 Matratzentypen. Dabei können die Lagen bei der Herstellung untrennbar verbunden sein, so dass der Matratzentyp nicht mehr geändert werden kann. Bevorzugt ist jedoch eine jederzeit vom Nutzer an seine Bedürfnisse anpassbare Matratze, bei der die Lagen vom Nutzer der Matratze mehrfach einem Oben-Unten-Austausch und einem Wenden unterzogen werden können. Es ist natürlich auch eine Schichtung von mehr als 2 der erfindungsgemäß beschriebenen Lagen unterschiedlicher spezifischer Federstärken einsetzbar zur Erhöhung der Variantenanzahl.The mattress structure according to the invention allows the production of 8 types of mattresses with just two different layers. The layers can be inseparably connected during manufacture so that the mattress type can no longer be changed. However, preference is given to a mattress which the user can adapt to his needs at any time, in which the layers can be subjected to an upper-lower exchange and a turning several times by the user of the mattress. A layering of more than 2 of the layers of different specific spring strengths described according to the invention can of course also be used to increase the number of variants.

Bei derart jederzeit anpassbaren Matratzen ist vorzugsweise eine Rutschhemmung vorgesehen, welche ein horizontales Verschieben der Lagen relativ zueinander verhindert. Diesen können anderenfalls im Laufe der Zeit durch Bewegungen auf der Matratze kriechend erfolgen und für unerwünschte Formänderungen sorgen. Rutschhemmungen können insbesondere reibungserhöhende Materialien oder lösbare Verbindungen, z. B.: Klettbänder sein.In mattresses of this type, which can be adapted at any time, slip resistance is preferably provided, which prevents the layers from shifting horizontally relative to one another. Otherwise, over time, this can occur through movements on the mattress and cause undesirable changes in shape. Slip resistance can in particular friction-increasing materials or releasable connections, z. B .: be Velcro straps.

Vorzugsweise sind die Einsinkzonen der Lagen durch mehrere sich nebeneinander, insbesondere parallel nebeneinander, über die Breite der Matratze erstreckende Hohlräume - auch Federtaschen genannt - gebildet. Diese erleichtern ein Einfedern, da Schaummaterial in diese Hohlräume gedrückt werden kann. Eine Möglichkeit, im Einsinkbereich der Lage die oberseitige Federstärke geringer als die unterseitige Federstärke zu machen, sind beispielsweise Hohlräume näher an der Oberseite als an der Unterseite der Lagen.The sink-in zones of the layers are preferably formed by several cavities - also called spring pockets - extending next to one another, in particular parallel to one another, over the width of the mattress. These make it easier to compress, there Foam material can be pressed into these cavities. One possibility of making the spring strength on the top side less than the spring strength on the underside in the sinking area of the layer is, for example, cavities closer to the top than to the underside of the layers.

Wenn dabei im Bereich der Einsinkzone in der weicheren Lage die Summe der Hohlräume ein kleineres Volumen einnehmen als im Bereich der korrespondierenden Einsinkzone in der härteren Lage, hat sich in Versuchen gezeigt, dass die erfindungsgemäßen Kombinationsmöglichkeiten ein besonders weites Spektrum an Körpermassen und -proportionen orthopädisch vorteilhaft abdecken können. Dies war nicht der Fall, wenn die Volumina identisch waren. Ein größeres Volumen kann durch die Vergrößerung eines Hohlraumes oder durch mehr Hohlräume erzeugt werden. In der Praxis werden also Hohlräume mit unterschiedlichem Querschnitt herausgeschnitten.If the sum of the cavities occupy a smaller volume in the area of the sinking-in zone in the softer layer than in the area of the corresponding sinking-in zone in the harder layer, tests have shown that the possible combinations according to the invention have a particularly wide range of body masses and proportions orthopedically advantageous can cover. This was not the case when the volumes were identical. A larger volume can be created by enlarging a cavity or by adding more cavities. In practice, cavities with different cross-sections are cut out.

Ähnlich wirkt sich aus, wenn erfindungsgemäß die reduzierte spezifischen Einsinkzonen-Federstärken im Bereich von jeweils zwei übereinander liegenden Einsinkzonen der beiden übereinanderliegenden Lagen so ausgelegt sind, dass in der härteren Lage die kleinere der beiden reduzierten spezifischen Einsinkzonen-Federstärken größer ist als die größere der beiden reduzierten spezifischen Einsinkzonen-Federstärken in der weicheren Lage. Anderenfalls heben sich die Eigenschaften beim Tauschen und/oder Wenden teilweise auf.The effect is similar if, according to the invention, the reduced specific sinking zone spring strengths in the area of two superimposed sinking zones of the two superimposed layers are designed so that in the harder layer the smaller of the two reduced specific sinking zone spring strengths is greater than the larger of the two reduced specific sinking zone spring strengths in the softer position. Otherwise, the properties partially cancel each other out when swapping and / or turning.

Das genaue Verhältnis der in den letzten beiden Absätzen beschriebenen Größe kann der Fachmann durch Versuche für den jeweiligen Anwendungsfall bestimmen.The person skilled in the art can determine the exact ratio of the variable described in the last two paragraphs through experiments for the respective application.

Beispielweise kann sich für die Schulterzone die folgende Zuordnung ergeben: Ratio Gewicht/Körpergröße Härte Material (Kpa) Querschnitt Taschen (cm^2) H1 2 15 H2 3 20 H3 4 25 H4 5 30 For example, the following assignment can result for the shoulder zone: Weight / height ratio Hardness material (Kpa) Cross section pockets (cm ^ 2) H1 2 15th H2 3 20th H3 4th 25th H4 5 30th

Aus dem gleichen Grunde erstrecken sich sind vorzugsweise Schnitte von der Oberfläche der Oberseite der Lagen in Richtung zu den Hohlräumen, vorzugsweise über die gesamte Breite der Matratze. Es ergeben sich oberseitige isolierte Streifen, die unabhängig voneinander in die Hohlräume eingedrückt werden können. Alleine dadurch kann der Unterschied zwischen ober- und unterseitiger Federstärke realisiert werden, selbst bei mittig zwischen Ober- und Unterseite verlaufenden Hohlräumen. Die Schnitte sorgen dafür, dass sich die Streifen zumindest berühren und nicht vollkommen unabhängig voneinander bewegbar sind, was zu Löchern/Stufen in der Oberfläche führen kann.For the same reason, cuts preferably extend from the surface of the upper side of the layers in the direction of the cavities, preferably over the entire width of the mattress. There are top-side isolated strips that can be pressed into the cavities independently of one another. In this way alone, the difference between the top and bottom spring strength can be realized, even with cavities running in the middle between the top and bottom. The cuts ensure that the strips at least touch each other and cannot be moved completely independently of one another, which can lead to holes / steps in the surface.

Durch den Querschnitt der Hohlräume kann das Einfederverhalten der Einsinkzonen, also die Federstärke in Abhängigkeit von dem Federweg, beeinflusst werden. Eine über weite Federwege konstante Federstärke erhält man bei runden und quadratischen Querschnitten. Bevorzug sind aber vorliegend Querschnitte, welcher eine mit dem Federweg ansteigende Federlinie aufweist. Diese sind insbesondere in Form eines nach unten gewellten bzw. ziehharmonikaförmigen Querschnitts.The spring deflection behavior of the sinking zones, that is to say the spring strength as a function of the spring deflection, can be influenced by the cross section of the cavities. A constant spring strength over long spring travel is obtained with round and square cross-sections. In the present case, however, cross-sections are preferred which have a spring line that increases with the spring travel. These are in particular in the form of a downwardly corrugated or accordion-shaped cross section.

Matratzenauflagen oder kurz "Topper" können den oberen Abschluss einer Matratze bilden. Dabei handelt es sich um eine wenige Zentimeter dicke Matte, welche den Schlafkomfort in jeder Liegeposition erhöhen soll und die darunter liegende Matratze schont. Der Topper besteht häufig aus Schafschurwolle, Rosshaar, Kaltschaum, viskoelastischem Material oder Latex und meist einem aus hygienischen Gründen abnehmbaren Überzug. Als durchgehender Topper schafft er beim Doppelbett eine gemeinsame Liegefläche. Weitere Matratzenvariationen lassen sich bereitstellen, wenn eine Matratzenauflage auf der oberen der beiden Lagen vorsehbar ist, deren beide Seiten unterschiedliche komfortrelevante Eigenschaften aufweisen, wobei vorzugsweise die eine Seite aus Viskoseschaum und die andere Seite aus Gelschaum besteht. Die bisherigen 8 Variationen lassen sich daher auf insgesamt 24 verdreifachen, da vorzugsweise die Matratze wahlweise mit oder ohne die Matratzenauflage vom Nutzer versehen werden kann und die Matratzenauflage wahlweise mit einer ihren beiden Seiten auf die obere der beiden Lagen lösbar verbunden werden kann.Mattress pads or "toppers" for short can form the top of a mattress. This is a mat a few centimeters thick, which is supposed to increase sleeping comfort in every lying position and is gentle on the mattress underneath. The topper often consists of virgin sheep's wool, horsehair, cold foam, viscoelastic material or latex and usually a cover that can be removed for hygienic reasons. As a continuous topper, it creates a common lying area in the double bed. Further mattress variations can be provided if a mattress topper can be provided on the upper of the two layers, the two sides of which have different comfort-relevant properties, with one side preferably consisting of viscose foam and the other side of gel foam. The previous 8 variations can therefore be tripled to a total of 24, since preferably the mattress can be provided by the user with or without the mattress topper and the mattress topper can optionally be detachably connected with one of its two sides to the upper of the two layers.

Vorzugsweise ist jede Lage einen eigenen Überzug versehen, insbesondere mit Rutschhemmung zum Verhindern eines horizontalen Verrutschens der Lagen gegeneinander. Das schützt die empfindlichen Schaumlagen vor Verschmutzung und gegenseitiger Reibabnutzung. Ferner kann der Überzug rutschhemmend wirken bzw. ausgestaltet sein, damit die Lagen nicht gegeneinander verrutschen, z. B.: mittels eines dünnen elastischen Vlieses oder Netzes. Es kann auch ein gemeinsames elastisches Vlies oder Netz eingesetzt werden, welches alle Lagen, optional einschließlich Auflage, umhüllt um ein Verrutschen der Lagen zueinander zu erschweren.Each layer is preferably provided with its own cover, in particular with slip resistance to prevent the layers from slipping horizontally against one another. This protects the sensitive foam layers from dirt and mutual abrasion. Furthermore, the cover can have a slip-resistant effect or be designed so that the layers do not slip against each other, e.g. E.g .: by means of a thin elastic fleece or net. A common elastic fleece or net can also be used, which envelops all layers, optionally including an overlay, in order to make it more difficult for the layers to slip relative to one another.

Wenn eine ohne Werkzeug zu öffnende Umhüllung zum Umhüllen und Halten des aus den Lagen gebildeten Matratzenkerns vorgesehen ist, sind die Lagen geschützt und sicher gehalten und dabei austauschbar und wendbar. Dabei kann vorzugsweise die Matratzenauflage ebenfalls von der Umhüllung umhüllt und gehalten sein. Die Umhüllung ist vorzugsweise mittels eines Reißverschlusses - insbesondere umlaufend - verschlossen, sodass die Umhüllung Druck auf den Matratzenkern ausüben kann.If a cover that can be opened without tools is provided to cover and hold the mattress core formed from the layers, the layers are protected and securely held and can be replaced and turned. In this case, the mattress topper can also be encased and held by the envelope. The cover is preferably closed by means of a zipper, in particular all around, so that the cover can exert pressure on the mattress core.

Vorzugsweise beträgt die Höhe der Lagen jeweils 6 - 15 cm, vorzugsweise 8-12 cm. Die Matratzenauflage weist eine Höhe von 4 - 8 cm, vorzugsweise 5-7 cm auf. Die Längen und Breiten entsprechen den üblichen Matratzenmaßen. Die Länge beträgt daher vorzugsweise 1,9 - 2.1 m, die Breite 0,8 - 1,8 m.The height of the layers is preferably 6-15 cm, preferably 8-12 cm. The mattress topper has a height of 4-8 cm, preferably 5-7 cm. The lengths and widths correspond to the usual mattress dimensions. The length is therefore preferably 1.9-2.1 m, the width 0.8-1.8 m.

Im Folgenden wird die Erfindung anhand von Figuren erläutert.The invention is explained below with reference to figures.

Fig. 1 zeigt den schematischen Aufbau der erfindungsgemäßen Matratze 100 mit einem Matratzenkern 10. Dieser weist zwei aufeinander liegenden Lagen H,W aus Schaumstoff auf. Diese haben unterschiedlichen spezifischen Federstärken, welche hier durch die unterschiedliche Stauchhärte der Materialen gebildet werden. Daher bildet in Fig. 1 die obere Lage die weichere Lage W und untere Lage eine härtere Lage H. Fig. 1 shows the schematic structure of the mattress 100 according to the invention with a mattress core 10. This has two layers H, W made of foam material on top of one another. These have different specific spring strengths, which are formed here by the different compressive strengths of the materials. Therefore, in Fig. 1 the upper layer the softer layer W and the lower layer a harder layer H.

Beide aufeinanderliegende Lagen H,W verfügen jeweils über zwei unterschiedliche Einsinkzonen ZH, ZW (linke und mittlere Position) zur Aufnahme des Hüftbereichs und Schulterbereichs einer auf der Matratze liegenden Person. Die rechten Einsinkzonen spiegeln die jeweils rechte Schulterzone, so dass Fuß- und Kopfende der Matratze austauschbar sind. Taschen bzw. Einschnitte sorgen dafür, dass die Einsinkzonen ZH, ZW eine im Vergleich zur spezifischen Federstärke der jeweiligen Lage H,W reduzierte spezifische Einsinkzonen-Federstärke aufweisen. Die Einsinkzonen Aufnahme des Hüftbereichs und Schulterbereichs können unterschiedliche Federstärken haben und unterschiedlich gestaltet sein, fallen aber unter die folgenden Bedingungen:Both layers H, W lying on top of one another each have two different sink-in zones ZH, ZW (left and middle position) to accommodate the hip area and shoulder area of a person lying on the mattress. The right sink-in zones mirror the right shoulder zone, so that the foot and head end of the mattress are interchangeable. Pockets or incisions ensure that the sinking zones ZH, ZW have a specific sinking zone spring strength that is reduced compared to the specific spring strength of the respective layer H, W. The sink-in zones for the hip area and shoulder area can have different spring strengths and be designed differently, but are subject to the following conditions:

Fig. 1 zeigt ferner, dass die beiden Lagen jeweils eine Oberseite OH, OW und Unterseite UH, UW aufweisen. Jedoch sind die Einsinkzonen ZH,ZW so in die beiden Lagen H,W eingearbeitet, dass durch Wenden sich die Federstärke gegen eine Last von oben ändert: Dazu weisen die Oberseiten OH,OW im Bereich der Einsinkzonen die reduzierte spezifische Einsinkzonen-Federstärke auf und die Unterseiten UW,UH im Bereich der Einsinkzonen eine mittlere spezifische Einsinkzonen-Federstärke auf, dem Stärke zwischen der reduzierten spezifische Einsinkzonen-Federstärke und der spezifischen Federstärke der jeweiligen Lage liegt. Durch Drehen der oberen Lage W zeigen die Taschen bzw. Einschnitte der Einsinkzonen nach unten, sodass die Einsinkzonen weniger weich sind. Wenn die Einschnitte dagegen nach oben zeigen, können die von den Einschnitten gebildeten Streifen unabhängig voneinander und daher leichter tiefer einfedern. Fig. 1 also shows that the two layers each have an upper side OH, OW and an underside UH, UW. However, the sinking zones ZH, ZW are worked into the two layers H, W in such a way that the spring strength changes by turning against a load from above: For this purpose, the upper sides OH, OW in the area of the sinking zones have the reduced specific sinking zone spring strength and the Undersides UW, UH in the area of the sinking zones a mean specific sinking zone spring strength, the strength lies between the reduced specific sinking zone spring strength and the specific spring strength of the respective layer. By turning the upper layer W, the pockets or incisions of the sink-in zones point downwards, so that the sink-in zones are less soft. If, on the other hand, the incisions point upwards, the strips formed by the incisions can deflect deeper independently and therefore more easily.

Das Gleiche gilt für die untere Lage H, welche durch Umdrehen eine weitere Beeinflussung der darüber liegenden Einsinkzone ZW erlaubt, ohne dabei die Gesamthärte der Matratze zu beeinflussen. Diese wird vielmehr durch Oben-Unten-Austausch der beiden Lagen H,W beeinflusst. Vorliegend weisen die Einsinkzonen ZH der unteren Lage H nach unten, sodass sich insgesamt eine geringer Weichheit der Matratzen im Bereich der Einsinkzonen ergibt.The same applies to the lower layer H, which, by turning it around, allows the sinking zone ZW located above it to be influenced further without influencing the overall hardness of the mattress. Rather, this is influenced by the top-bottom exchange of the two layers H, W. In the present case, the sink-in zones ZH of the lower layer H point downwards, so that overall there is less softness of the mattresses in the area of the sink-in zones.

Ein Umhüllung 20 hält die beiden Lagen H,W zusammen. Darauf liegt die Matratzenauflage 30, deren eine Seite 31 aus Viskoseschaum und die andere Seite aus Gelschaum 32 besteht.An envelope 20 holds the two layers H, W together. On top of this lies the mattress pad 30, one side 31 of which consists of viscose foam and the other side of gel foam 32.

Fig. 2 zeigt die die Matrix der Kombinationsmöglichkeiten der beiden erfindungsgemäß wendbaren und oben-unten-austauschbaren Lagen H,W. Fig. 2 shows the matrix of the possible combinations of the two layers H, W which can be reversed according to the invention and can be exchanged at the top and bottom.

Von oben nach unten sind ansteigende gefühlte Härtegrade H1 - H4 angegeben. Diese werden als "gefühlt" bezeichnet, da sich durch reines Wenden einer Lage nicht deren Härte, sondern nur die Nachgiebigkeit der Einsinkzonen ändert. Dies wird aber subjektiv als "weichere Matratze" vom Nutzer empfunden. Im Verkauf führt daher das Wenden einer Lage zur Veränderung um einen Härtegrad.Increasing perceived degrees of hardness H1 - H4 are indicated from top to bottom. These are referred to as "felt" because simply turning a layer does not change its hardness, but only the flexibility of the sinking zones. However, this is perceived subjectively as a "softer mattress" by the user. In sales, turning a layer leads to a change of one degree of hardness.

Links sind Matratzen mit geringerer Ausprägung der Einsinkzonen relativ zum Bereich abseits der Einsinkzonen abgebildet. Daher liegt hier die untere Lage mit den Taschen/ Einschnitten nach unten. Bei Last von oben können daher die von den Einschnitten gebildeten Streifen nicht unabhängig voneinander und daher nur relativ schwer einfedern.On the left are mattresses with less pronounced sink-in zones relative to the area away from the sink-in zones. Therefore, the lower layer is here with the pockets / incisions facing down. When there is a load from above, the strips formed by the incisions cannot deflect independently of one another and are therefore relatively difficult to compress.

Rechts dagegen sind Matratzen mit stärkerer Ausprägung der Einsinkzonen relativ zum Bereich abseits der Einsinkzonen abgebildet. Daher liegt hier die untere Lage mit den Taschen/ Einschnitten nach oben. Bei Last von oben können daher die von den Einschnitten gebildeten Streifen unabhängig voneinander und daher relativ leicht einfedern.On the right, however, mattresses with more pronounced sink-in zones are shown relative to the area away from the sink-in zones. Therefore, the lower layer is here with the pockets / incisions facing up. With a load from above, therefore, the Incisions formed strips independently and therefore compress relatively easily.

Die Gesamthärte der Matratze wird dagegen durch Oben-Unten-Austausch der beiden Lagen erreicht. Bei gleicher Konfiguration bewirkt diese Austausch einer Änderung der Härtegrade von H1 nach H3 bzw. von H2 nach H4.The total hardness of the mattress, on the other hand, is achieved by exchanging the top and bottom of the two layers. With the same configuration, this exchange results in a change in the degree of hardness from H1 to H3 or from H2 to H4.

Der Einsatz der Matratzenauflage und der Überzüge ist in Fig. 2 nicht berücksichtigt, aber möglich. Dadurch verdreifachen sich die Kombinationsmöglichkeiten, so dass im Verkauf 8 x 3 bzw. 8 x 2 individuell erzeugbare Varianten realisiert werden können.The use of the mattress pad and the covers is in Fig. 2 not taken into account, but possible. This triples the possible combinations, so that 8 x 3 or 8 x 2 variants that can be created individually can be implemented.

Claims (12)

  1. Mattress (100) with a mattress core (10) with at least two layers (H, W) of foam material lying on each and other having different specific spring strengths, such that one layer forms a softer layer (W) and the other layer forms a harder layer (H), wherein
    the softer and the harder layer (H, W) each have at least two sink-in zones (ZH, ZW) for accommodating the hip region and shoulder region of a person lying on the mattress, wherein the sink-in zones (ZH, ZW) have a reduced specific sink-in zone spring strength compared to the specific spring strength of the respective layer (H, W),
    the softer and the harder layer (H, W) each have at least one zone apart from the sink-in zones (ZH, ZW) which has the specific spring strength of the respective layer (H, W),
    the two layers each have an upper side (OH, OW) and lower side (UH, UW), wherein the sink-in zones (ZH, ZW) are incorporated in the two layers (H, W) in such a way that
    the upper sides has the reduced specific sink-in zone spring strength in the region of the sink-in zones, and
    the lower sides in the region of the sink-in zones has the an average specific sink-in zone spring strength, the strength of which lies between the reduced specific sink-in zone spring strength and the specific spring strength of the respective layer,
    characterized in that
    the reduced specific sink-in zone spring strengths in the region of in each case two sink-in zones lying on top of each other of the two layers lying on top of each other are designed such that
    in the harder layer (H), the smaller of the two reduced specific sink-in zone spring strengths is greater than the greater of the two reduced specific sink-in zone spring strengths in the softer layer (W).
  2. Mattress according to claim 1, characterized in that
    the different specific spring strengths of the layers and of the zones apart from the sink-in zones (ZH, ZW) as well as the reduced specific spring strengths and average specific spring strengths of the sink-in zones of both layers are selected in such a way that, by turning the layers and top-bottom exchange of the layers, a total of eight different mattresses can be adjusted, having eight different upper-side total hardness grades in the region of the sink-in zones.
  3. Mattress according to claim 1 or 2, characterized in that the different specific spring strengths of the layers as well as the reduced specific spring strengths and average specific spring strengths of the sink-in zones of both layers are selected in such a way that
    two different upper-side total spring strengths of the mattress apart from the sink-in zones and simultaneously two different total hardness grades in the region of the sink-in zones can be adjusted solely by top/bottom exchange of the two layers;
    two different total hardness grades in the region of the sink-in zones can be adjusted solely by turning the upper layer, without changing the upper-side total spring strength of the mattress away from the sink-in zones; and two further different total hardness grades can be adjusted in the region of the sink-in zones solely by turning the lower layer, without changing the upper-side total spring strength of the mattress apart from the sink-in zones;
  4. Mattress according to one of the preceding claims, characterized in that the mattress is designed such that the layers can be subjected to multiple top-down replacement and turning by the user of the mattress.
  5. Mattress according to one of the preceding claims, characterized in that a slip resistance is provided which prevents horizontal displacement of the layers relative to one another.
  6. Mattress according to one of the preceding claims, characterized in that the sink-in zones of the layers are formed by a plurality of cavities extending side by side, in particular parallel next to each other, over the width of the mattress, wherein preferably the cavities are located closer to the upper side of the layers.
  7. Mattress according to claim 6, characterized in that in the region of two sink-in zones lying on top of each other of the two layers lying on top of each other, the sum of the cavities in the sink-in zone in the softer layer (W) is smaller than in the region of the sink-in zone in the harder layer (H).
  8. Mattress according to claim 7, characterized in that cuts extend from the surface of the upper side of the layers in the direction of the cavities, preferably across the entire width of the mattress.
  9. Mattress according to one of the preceding claims 7 or 8, characterized in that the cavities have a round, square cross-section or a cross-section which has a spring line rising with indentations, in particular in the shape of a downwardly corrugated or accordion-shaped cross-section.
  10. Mattress according to one of the preceding claims, characterized in that a mattress pad (30) is provided on the upper of the two layers, the two sides (31, 32) of which have different comfort-related properties, wherein preferably one side consists of viscose foam and the other side consists of gel foam.
  11. Mattress according to one of the preceding claims, characterized in that the mattress may selectively be provided with or without the mattress pad by the user and the mattress pad can selectively be detachably connected onto the upper of the two layers with one of its two sides.
  12. Mattress according to one of the preceding claims, characterized in that
    each layer (H, W) has its own cover, in particular with slip resistance for preventing horizontal slipping of the layers against one another; and/or
    an envelope (20), which can be opened without tools, is provided for enveloping and holding the mattress core formed by the layers; and/or
    the mattress pad (30) is also enveloped and held by the envelope (20).
EP19179561.6A 2018-06-08 2019-06-11 Mattress with a two-layer mattress core and recess zones for hip and shoulder area Active EP3578087B1 (en)

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Application Number Priority Date Filing Date Title
DE202018103221.6U DE202018103221U1 (en) 2018-06-08 2018-06-08 Mattress with a two-ply mattress core and Eininkzonen for hip and shoulder area

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EP3578087B1 true EP3578087B1 (en) 2021-07-28

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20102701U1 (en) * 2001-02-16 2001-05-03 Recticel Schlafkomfort GmbH - dormilux -, 97437 Haßfurt Mattress core
DE20207912U1 (en) 2002-05-22 2002-09-19 diamona Hermann Koch GmbH & Co. KG Fabrik für Wohn- und Schlafkomfort, 38446 Wolfsburg mattress
DE20212460U1 (en) 2002-08-11 2002-12-19 Gerhardt, Michael, 74354 Besigheim Individual hardness setting of the individual zones in multi-zone mattresses by the mattress user
DE202004001574U1 (en) 2004-02-02 2005-06-23 diamona Hermann Koch GmbH & Co. KG Fabrik für Wohn- und Schlafkomfort Mattress, comprising two surfaces of different levels of rigidity in order to be reversed if required
DE102014115761A1 (en) * 2014-10-30 2015-05-07 Markus Kamps Multitopper, reversible, rotary and body contour pad for or as a mattress
US10531746B2 (en) * 2016-06-21 2020-01-14 Donald C. Vesey Modular mattress
DE202018107126U1 (en) * 2018-01-11 2019-02-04 144 One For Four Sleep Gmbh Mattress with two part cores

Non-Patent Citations (1)

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Title
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