EP0606892A1 - A flat upholstery body of foam material, particularly mattress - Google Patents

A flat upholstery body of foam material, particularly mattress Download PDF

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Publication number
EP0606892A1
EP0606892A1 EP94100340A EP94100340A EP0606892A1 EP 0606892 A1 EP0606892 A1 EP 0606892A1 EP 94100340 A EP94100340 A EP 94100340A EP 94100340 A EP94100340 A EP 94100340A EP 0606892 A1 EP0606892 A1 EP 0606892A1
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EP
European Patent Office
Prior art keywords
cavities
body according
support plate
spring bodies
upholstery
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Granted
Application number
EP94100340A
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German (de)
French (fr)
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EP0606892B1 (en
Inventor
Siegfried Dipl.-Ing. Heerklotz
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Individual
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Individual
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C21/00Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04Devices for ventilating, cooling or heating
    • A47C21/042Devices for ventilating, cooling or heating for ventilating or cooling
    • A47C21/046Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144Spring, 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers

Definitions

  • the invention relates to a flat cushion body, in particular a mattress, with an elastic core made of foam, which comprises a plurality of spring bodies connected to one another on the underside by a continuous base layer in at least one layer, which spring bodies are at least partially displaceable in the direction of the load.
  • foam mattresses in various designs have been known for many years, which also have an innerspring core, but which does not contain metal spring elements, which are nowadays often for health reasons are rejected, but foam in various forms, for example latex foam or polyurethane foam, used to form spring bodies or generally to bring about the desired spring properties of a mattress.
  • the invention has for its object to provide a flat cushion body made of foam of the type mentioned, which has improved ventilation properties and has increased point elasticity.
  • each individual spring body has vertically oriented shaped cavities which extend continuously over its height in that a support plate is placed on top of the or each layer of spring bodies, which in turn is provided with vertically oriented shaped cavities which extend continuously over its height, and that the cavities of the individual spring bodies form continuous vertical air exchange channels with the cavities, the or each support plate.
  • the upholstery body according to the invention Due to the continuous vertical, i.e. not interrupted by intermediate or overlay air exchange channels within the framework of the appropriately occupying about 10 to 25% of the upholstery area, formed by material recesses and / or recesses, the upholstery body according to the invention has very good ventilation properties, the undesirable formation of condensate of the upholstery body in use, in particular as a mattress , exclude with certainty.
  • the cavities formed in the or each support plate according to the invention not only contribute to the formation of the vertically continuous air exchange channels, but also impart a high degree of stretchability in the manner of a network to the supports, so that the point-elastic properties of the upholstered body in use by selective deflection a spring body or a few spring bodies come into full effect when the load is applied locally to the cushion body and are not adversely affected by essentially inflexible planar intermediate or supports.
  • the support plates provided according to the invention thus have a substantial share in the good ones Usage properties of the upholstery body according to the invention, but they can also be used regardless of its design in detail, in particular with regard to the spring elements, with advantage in the case of upholstery bodies or even as an upholstery body in cases in which good ventilation and stretchability of the upholstery are important.
  • the invention therefore generally also includes a foam pad, which is essentially characterized in that it is provided with vertically oriented shaped cavities which extend continuously over its height and which take up about 10 to 25% of their area and form a hole pattern of this type that each rectilinear parallel to its horizontal central plane intersects at least one of the cavities which, in the case of an embodiment in the basic form of elongated holes, form a perforated pattern with longitudinal central axes of the elongated holes which are alternately offset by 90 ° to one another.
  • a cushion body is shown with a rectangular cushion surface, which can in particular form a mattress.
  • cushion bodies also form the cushion surface of seats, couches or backrests and as such can also have a square or otherwise contoured cushion surface.
  • the cushion body has a multi-layered elastic core made of a suitable foam, which in the exemplary embodiment shown comprises a lower layer 1 of spring bodies 2 and an upper layer 3 of spring bodies 4 arranged above it.
  • the spring bodies 2 and 4 are each delimited by transverse and longitudinal channels 5 and 6, which are molded or worked into a plate-shaped foam material up to the height of a base layer 7 or 8.
  • the base layers 7 and 8 form a continuous underside support of their individual spring bodies 2 and 4, with which they are connected in one piece and each form a plate unit.
  • One or more further layers of spring bodies can optionally be arranged between the layer 1 and the layer 3, or the layer 3 can be used.
  • a support plate 9 as part of the elastic foam core, which has vertically oriented shaped cavities 10 in the form of material cutouts which extend continuously over their height and / or recesses, such as punch holes, is provided.
  • the cavities 10 form a perforated pattern such that each rectilinear parallel to the base layer 7 or 8 of the spring body layers 1, 3 intersects at least one cavity 10.
  • the proportion of the cavities 10 can amount to approximately 10 to 25% of the cushion surface.
  • the cavities 10 advantageously have the basic shape of elongated holes and form a perforated pattern with longitudinal central axes 11 of the elongated holes which are alternately offset by 90 ° to one another.
  • the mutual spacing of the cavities or elongated holes 10 is chosen in the illustrated example so that the longitudinal central axis 11 of one elongated hole coincides with the central transverse axis 12 of the other elongated hole 10 of two elongated holes 10 arranged offset from one another.
  • FIG. 2 illustrates an embodiment of the cavities 10 in the form of an oval indented in the center on both sides, the longitudinal central axes 11 and the central transverse axes 12 each being indicated by dash-dotted lines. This creates a stretchable network structure with arches.
  • FIG. 3 shows a shape of cavities 10 'in the form of a pair of holes of approximately circular cross section, which are connected in the center by a slot-shaped material recess 13, which defines the longitudinal central axis 11.
  • the mutual arrangement of the cavities 10 ' is carried out analogously to the example in FIG. 2.
  • FIG. 4 finally shows an embodiment of cavities 10 ′′ in the form of elongated holes rectangular basic shape, which can be rounded at the ends.
  • the longitudinal central axes 11 and the central transverse axes 12 are again shown in dash-dot lines in this example, the arrangement pattern of which also corresponds to that of FIGS. 2 and 3.
  • the base layer 8 of the spring body 4 simultaneously forms a support plate for the spring body 2 of the lower layer 1, on which it is placed on the upper side, and as such, like the support plate 9, is provided with the cavities 10.
  • the spring bodies 2 and 4 of the two layers 1 and 3 are in turn provided with vertically oriented shaped cavities 10a and 14, 14a, each of which extends continuously over their height, and which are vertical with the cavities 10, 10a and 10b of the support plates 8 and 9
  • Air exchange channels in the context of the proportion of the cavities 10, 10a, 10b and also the cavities 10a, 14, 14a form from 10 to 25% of the cushion surface, insofar as there is a full or partial coincidence between the superimposed cavities 10, 10a, 10b, 14 , 14a is reached.
  • vertically continuous air exchange channels are formed to such an extent that a complete ventilation of the cushion body is guaranteed over its entire thickness or height.
  • the shaped cavities of the support plate 8 or 9 can match the shaped cavities of the spring bodies 2, 4 in their shape and arrangement. This applies in particular to the cavities 10a of the layer 3, since here, for example, the foam plate forming the starting workpiece can first be provided with the vertically continuous cavities 10a by means of punched-out materials 10a, before the spring bodies 4 are cut in a subsequent operation by cutting the transverse and longitudinal channels 5 and 6 are formed.
  • the cavities 14, 14a of the spring bodies 2, 4 are selected differently in their shape and / or size compared to the cavities 10 of the support plate 9.
  • the cavities 14 in the spring bodies 2 of the lower layer are shown as circular holes of different diameters, possibly passing through the bass layer 7.
  • a cavity 14a is formed in the central region of some of the spring bodies 4, which opens into the base layer 8 with the cavities 10b which correspond to the cavities 10, 10a. In this way, the spring hardness of the cushion body can be changed in certain areas, as is desired to create different hardness zones of the cushion body.
  • cavities 17 can be formed at predetermined points of the cushion body in the area of the transverse and / or longitudinal channels 5, 6 by material cutouts or recesses as locally limited channel extensions. Such cavities 17 are expedient in the crossing points of transverse and longitudinal channels 5, 6 in the Foam of the upholstered body incorporated.
  • the transverse and / or longitudinal channels 5, 6 can also be widened downwards in predetermined zones of the cushion body, in contrast to the normal design of the transverse and longitudinal channels 5, 6 with a rectangular vertical cross-sectional profile.
  • longitudinal channels 6 ' are shown in Fig. 1 for the lower spring body layer 1 in a mutually uniform design with a wedge-shaped extension downwards, while for the spring body layer 3 transverse channels 5' and 5 '' are shown, which in turn are widened downwards, however the side of the wedge profile adjoining the base layer 8 is of different widths.
  • This enables further variations in the spring stiffness, just as is possible by different choice of the size or the diameter of the cavities 14, 14a and 17. Possibly. can also omit the longitudinal channels 6, 6 'in one or more spring body layers 1.3.
  • the cushion body is covered by a cover 15 made of a stretchable knitted fabric, e.g. Jersey or jersey, or surrounded by an elastic material, which in turn does not hinder the exchange of air and does not impair the point elasticity of the cushion body.
  • a cover 16 can be combined with the cover 15, which, for example, consists of sheep's wool, is itself stretchable and rests on the top of the support plate 9 or, as shown in FIG. 1, the cover 15.

Abstract

A flat upholstery body consisting of a flexible core of foam material which comprises a multiplicity of spring bodies (2, 4) connected to one another at the underside by a continuous base layer, and an upholstery panel, in particular for use as a supporting panel (8, 9) in an upholstery body. In order to provide a fully aired upholstery body with increased point elasticity, supporting panels (8, 9) and cores of foam material are provided with shaped hollow spaces (10a, 14, 14a) which extend continuously over their height, are vertically aligned and when different layers (1, 3) of spring bodies (2, 4) are combined with supporting panels (8, 9) form continuous vertical air exchange channels. <IMAGE>

Description

Die Erfindung betrifft einen flächigen Polsterkörper, insbesondere eine Matratze, mit einem elastischen Kern aus Schaumstoff, der eine Vielzahl unterseitig durch eine durchgehende Basisschicht im zumindest einer Lage miteinander verbundener Federkörper umfaßt, die in Belastungsrichtung zumindest bereichsweise gegeneinander verschiebbar ausgebildet sind.The invention relates to a flat cushion body, in particular a mattress, with an elastic core made of foam, which comprises a plurality of spring bodies connected to one another on the underside by a continuous base layer in at least one layer, which spring bodies are at least partially displaceable in the direction of the load.

Neben den früher weit verbreiteten Federkernmatratzen, bei denen im Kerninneren eine Vielzahl von Stahlfedern angeordnet ist, sind seit vielen Jahren Schaumstoffmatratzen in den vielfältigsten Ausführungsformen bekannt, die zwar ebenfalls einen Federkern aufweisen, der jedoch keine Federelemente aus Metall enthält, die heutzutage vielfach aus gesundheitlichen Gründen abgelehnt werden, sondern Schaumstoff in den verschiedensten Formen, zum Beispiel Latexschaum oder Polyurethanschaum, zur Ausbildung von Federkörpern bzw. allgemein zur Herbeiführung der gewünschten Federeigenschaften einer Matratze verwendet.In addition to the previously widely used innerspring mattresses, in which a large number of steel springs are arranged in the core, foam mattresses in various designs have been known for many years, which also have an innerspring core, but which does not contain metal spring elements, which are nowadays often for health reasons are rejected, but foam in various forms, for example latex foam or polyurethane foam, used to form spring bodies or generally to bring about the desired spring properties of a mattress.

Bei den bekannten flächigen Polsterkörpern, insbesondere Matratzen, aus Schaumstoff der eingangs angegebenen Art, bei denen die durch die Basisschicht zu einer Lage zusammengefaßten einzelnen Federkörper in der Regel durch in den Schaumstoff eingearbeitete Längs- und Querkanäle voneinander getrennt und abgegrenzt sind, hat sich gezeigt, daß durch diese Kanäle eine gute Belüftung des Matratzen- bzw. Polsterkörpers, die unerwünschte Kondensatbildungen im Gebrauch vermeidet, nicht erreicht werden kann, weil die Kanalquerschnitte im Vergleich zu der Masse der Federkörper zu klein sind und häufig durch Zwischen- oder Auflagen abgedeckt sind. Diese Zwischen- oder Auflagen, die üblicherweise zur Lagefixierung der Federkörper bzw. zur Verbesserung des Benutzungskomforts des Polsterkörpers verwendet werden, haben außerdem die unerwünschte Nebenwirkung, daß die durch die Verwendung einzelner Federkörper angestrebte Punktelastizität des Polsterkörpers weitgehend aufgehoben oder zumindest stark eingeschränkt wird.In the known two-dimensional upholstery bodies, in particular mattresses, made of foam of the type specified at the outset, in which the individual spring bodies combined by the base layer to form a layer are generally separated and delimited from one another by longitudinal and transverse channels incorporated into the foam, that good ventilation of the mattress or cushion body, which avoids undesirable condensate formation during use, cannot be achieved through these channels because the channel cross-sections are too small compared to the mass of the spring bodies and are often covered by intermediate layers or pads. These intermediate or supports, which are usually used to fix the spring body or to improve the comfort of use of the cushion body, also have the undesirable side effect that the point elasticity of the cushion body sought by the use of individual spring bodies is largely eliminated or at least severely restricted.

Der Erfindung liegt die Aufgabe zugrunde, einen flächigen Polsterkörper aus Schaumstoff der eingangs angegebenen Art zu schaffen, der verbesserte Belüftungseigenschaften aufweist und eine erhöhte Punktelastizität besitzt.The invention has for its object to provide a flat cushion body made of foam of the type mentioned, which has improved ventilation properties and has increased point elasticity.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß jeder einzelne Federkörper sich über seine Höhe durchgehend erstreckende, vertikal ausgerichtete geformte Hohlräume aufweist, daß auf die oder jede Lage von Federkörpern oberseitig eine Auflageplatte aufgelegt ist, die ihrerseits mit sich über ihre Höhe durchgehend erstreckenden, vertikal ausgerichteten geformten Hohlräumen versehen ist, und daß die Hohlräume der einzelnen Federkörper mit den Hohlräumen, der oder jeder Auflageplatte durchgehende vertikale Luftaustauschkanäle bilden.This object is achieved according to the invention in that each individual spring body has vertically oriented shaped cavities which extend continuously over its height in that a support plate is placed on top of the or each layer of spring bodies, which in turn is provided with vertically oriented shaped cavities which extend continuously over its height, and that the cavities of the individual spring bodies form continuous vertical air exchange channels with the cavities, the or each support plate.

Durch die bei der erfindungsgemäßen Ausgestaltung des Polsterkörpers gebildeten durchgehenden vertikalen, d.h. nicht durch Zwischen- oder Auflagen unterbrochenen, Luftaustauschkanäle im Rahmen der zweckmäßig etwa 10 bis 25% der Polsterfläche einnehmenden, von Materialaussparungen und/oder -ausnehmungen gebildeten Hohlräume besitzt der erfindungsgemäße Polsterkörper sehr gute Belüftungseigenschaften, die unerwünschte Kondensatbildungen des Polsterkörpers im Gebrauch, insbesondere als Matratze, mit Sicherheit ausschließen. Dabei tragen die in der oder jeder Auflageplatte nach der Erfindung gebildeten Hohlräume nicht nur zur Bildung der vertikal durchgehenden Luftaustauschkanäle bei, sondern vermitteln den Auflagen zugleich ein hohes Maß an Streckfähigkeit nach Art eines Netzes, so daß die punktelastischen Eigenschaften des Polsterkörpers im Gebrauch durch punktuelles Einfedern eines Federkörpers oder einiger weniger Federkörper bei örtlich begrenzt auf den Polsterkörper aufgebrachter Belastung voll zum Tragen kommen und nicht durch im wesentlichen unnachgiebige flächige Zwischen- oder Auflagen beeinträchtigt werden.Due to the continuous vertical, i.e. not interrupted by intermediate or overlay air exchange channels within the framework of the appropriately occupying about 10 to 25% of the upholstery area, formed by material recesses and / or recesses, the upholstery body according to the invention has very good ventilation properties, the undesirable formation of condensate of the upholstery body in use, in particular as a mattress , exclude with certainty. The cavities formed in the or each support plate according to the invention not only contribute to the formation of the vertically continuous air exchange channels, but also impart a high degree of stretchability in the manner of a network to the supports, so that the point-elastic properties of the upholstered body in use by selective deflection a spring body or a few spring bodies come into full effect when the load is applied locally to the cushion body and are not adversely affected by essentially inflexible planar intermediate or supports.

Die nach der Erfindung vorgesehenen Auflageplatten haben somit einen wesentlichen Anteil an den guten Gebrauchseigenschaften des erfindungsgemäßen Polsterkörpers, sie sind jedoch auch unabhängig von dessen Ausgestaltung im einzelnen, insbesondere hinsichtlich der Federelemente, mit Vorteil bei Polsterkörpern bzw. selbst als Polsterkörper in solchen Fällen anwendbar, bei denen es auf eine gute Durchlüftung und Streckfähigkeit der Polsterung ankommt. Die Erfindung umfaßt daher insoweit auch allgemein eine Polsterplatte aus Schaumstoff, die im wesentlichen dadurch gekennzeichnet ist, daß sie mit sich über ihre Höhe durchgehend erstreckenden vertikal ausgerichteten geformten Hohlräumen versehen ist, die etwa 10 bis 25% ihrer Fläche einnehmen und ein Lochmuster solcher Art bilden, daß jede geradlinige Parallele zu ihrer horizontalen Mittelebene zumindest einen der Hohlräume schneidet, die, bei einer Ausführung in der Grundform von Langlöchern, ein Lochmuster mit abwechselnd um 90° zueinander versetzten Längsmittelachsen der Langlöcher bilden.The support plates provided according to the invention thus have a substantial share in the good ones Usage properties of the upholstery body according to the invention, but they can also be used regardless of its design in detail, in particular with regard to the spring elements, with advantage in the case of upholstery bodies or even as an upholstery body in cases in which good ventilation and stretchability of the upholstery are important. To this extent, the invention therefore generally also includes a foam pad, which is essentially characterized in that it is provided with vertically oriented shaped cavities which extend continuously over its height and which take up about 10 to 25% of their area and form a hole pattern of this type that each rectilinear parallel to its horizontal central plane intersects at least one of the cavities which, in the case of an embodiment in the basic form of elongated holes, form a perforated pattern with longitudinal central axes of the elongated holes which are alternately offset by 90 ° to one another.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachstehenden Beschreibung in Verbindung mit der Zeichnung, in der ein Ausführungsbeispiel des Gegenstands der Erfindung schematisch veranschaulicht ist. In der Zeichnung zeigen:

Fig. 1
eine perspektivische Ansicht eines Endbereichs eines erfindungsgemäßen flächigen Polsterkörpers, wobei zur Verdeutlichung des Schichtaufbaus einige Teile bereichsweise weggebrochen bzw. versetzt zur angrenzenden Schicht dargestellt sind, und
Fig. 2 - 4
je eine Draufsicht auf ein Lochmuster, das für die geformten Hohlräume der Federkörper und/oder Auflageplatten wahlweise verwendet werden kann.
Further features and advantages of the invention emerge from the claims and the following description in conjunction with the drawing, in which an exemplary embodiment of the object of the invention is illustrated schematically. The drawing shows:
Fig. 1
3 shows a perspective view of an end region of a flat cushion body according to the invention, some parts being broken away or offset from the region in some areas to illustrate the layer structure, and
Figs. 2-4
each a top view of a perforated pattern that can be used optionally for the shaped cavities of the spring body and / or support plates.

In Fig. 1 ist ein Polsterkörper mit einer rechteckigen Polsterfläche dargestellt, der insbesondere eine Matratze bilden kann. Es versteht sich jedoch, daß solche Polsterkörper auch die Polsterfläche von Sitzen, Liegen oder Rückenlehnen bilden und als solche auch eine quadratische oder anderweitig konturierte Polsterfläche aufweisen können.In Fig. 1, a cushion body is shown with a rectangular cushion surface, which can in particular form a mattress. However, it goes without saying that such cushion bodies also form the cushion surface of seats, couches or backrests and as such can also have a square or otherwise contoured cushion surface.

Der Polsterkörper besitzt einen mehrschichtigen elastischen Kern aus einem geeigneten Schaumstoff, der bei dem dargestellten Ausführungsbeispiel eine untere Lage 1 von Federkörpern 2 und eine darüber angeordnete obere Lage 3 von Federkörpern 4 umfaßt. Die Federkörper 2 und 4 sind jeweils von Quer- und Längskanälen 5 und 6 begrenzt, die bis zur Höhe einer Basisschicht 7 bzw. 8 in ein plattenförmiges Schaumstoffmaterial eingeformt bzw. eingearbeitet sind. Die Basisschichten 7 und 8 bilden eine durchgehende unterseitige Abstützung ihrer einzelnen Federkörper 2 bzw. 4, mit denen sie einstückig verbunden sind und jeweils eine Platteneinheit bilden. Zwischen der Lage 1 und der Lage 3 können ggf. eine oder mehrere weitere Lagen von Federkörpern angeordnet sein oder es kann auf die Lage 3 entfallen.The cushion body has a multi-layered elastic core made of a suitable foam, which in the exemplary embodiment shown comprises a lower layer 1 of spring bodies 2 and an upper layer 3 of spring bodies 4 arranged above it. The spring bodies 2 and 4 are each delimited by transverse and longitudinal channels 5 and 6, which are molded or worked into a plate-shaped foam material up to the height of a base layer 7 or 8. The base layers 7 and 8 form a continuous underside support of their individual spring bodies 2 and 4, with which they are connected in one piece and each form a plate unit. One or more further layers of spring bodies can optionally be arranged between the layer 1 and the layer 3, or the layer 3 can be used.

Auf der oberen Lage 3 der Federkörper 4 liegt eine Auflageplatte 9 als Teil des elastischen Schaumstoffkerns, die mit sich über ihre Höhe durchgehend erstreckenden, vertikal ausgerichteten geformten Hohlräumen 10 in Gestalt von Materialaussparungen und/oder -ausnehmungen, wie Stanzlöchern, versehen ist. Die Hohlräume 10 bilden ein Lochmuster solcher Art, daß jede geradlinige Parallele zur Basisschicht 7 bzw. 8 der Federkörperlagen 1,3 mindestens eine Hohlraum 10 schneidet. Dabei kann der Anteil der Hohlräume 10 etwa 10 bis 25% der Polsterfläche betragen.On the upper layer 3 of the spring body 4 there is a support plate 9 as part of the elastic foam core, which has vertically oriented shaped cavities 10 in the form of material cutouts which extend continuously over their height and / or recesses, such as punch holes, is provided. The cavities 10 form a perforated pattern such that each rectilinear parallel to the base layer 7 or 8 of the spring body layers 1, 3 intersects at least one cavity 10. The proportion of the cavities 10 can amount to approximately 10 to 25% of the cushion surface.

Die Hohlräume 10 weisen vorteilhaft die Grundform von Langlöchern auf und bilden ein Lochmuster mit abwechselnd um 90° zueinander versetzten Längsmittelachsen 11 der Langlöcher. Die gegenseitige Beabstandung der Hohlräume bzw. Langlöcher 10 ist bei dem dargestellten Beispiel so gewählt, daß jeweils von zwei versetzt zueinander angeordneten Langlöchern 10 die Längsmittelachse 11 des einen Langloches mit der mittleren Querachse 12 des anderen Langloches 10 zusammenfällt.The cavities 10 advantageously have the basic shape of elongated holes and form a perforated pattern with longitudinal central axes 11 of the elongated holes which are alternately offset by 90 ° to one another. The mutual spacing of the cavities or elongated holes 10 is chosen in the illustrated example so that the longitudinal central axis 11 of one elongated hole coincides with the central transverse axis 12 of the other elongated hole 10 of two elongated holes 10 arranged offset from one another.

Die Fig. 2 veranschaulicht eine Ausführungsform der Hohlräume 10 jeweils in Form eines beidseitig mittig eingebuchteten Ovals, wobei die Längsmittelachsen 11 und die mittleren Querachsen 12 jeweils strichpunktiert angedeutet sind. Hierdurch ist eine streckfähige Netzstruktur mit Bögen gebildet.FIG. 2 illustrates an embodiment of the cavities 10 in the form of an oval indented in the center on both sides, the longitudinal central axes 11 and the central transverse axes 12 each being indicated by dash-dotted lines. This creates a stretchable network structure with arches.

Die Fig. 3 zeigt eine Form von Hohlräumen 10' in Form jeweils eines Paares von Löchern etwa kreisförmigen Querschnitts, die mittig durch eine schlitzförmige Materialausnehmung 13 verbunden sind, die die Längsmittelachse 11 definiert. Die gegenseitige Anordnung der Hohlräume 10' ist analog dem Beispiel der Fig. 2 vorgenommen.3 shows a shape of cavities 10 'in the form of a pair of holes of approximately circular cross section, which are connected in the center by a slot-shaped material recess 13, which defines the longitudinal central axis 11. The mutual arrangement of the cavities 10 'is carried out analogously to the example in FIG. 2.

Die Fig. 4 zeigt schließlich eine Ausführungsform von Hohlräumen 10'' in Form von Langlöchern rechteckiger Grundgestalt, die allerdings an ihren Enden abgerundet sein können. Die Längsmittelachsen 11 und die mittleren Querachsen 12 sind bei diesem Beispiel, dessen Anordnungsmuster dem der Fig. 2 und 3 ebenfalls entspricht, wiederum strichpunktiert eingezeichnet.4 finally shows an embodiment of cavities 10 ″ in the form of elongated holes rectangular basic shape, which can be rounded at the ends. The longitudinal central axes 11 and the central transverse axes 12 are again shown in dash-dot lines in this example, the arrangement pattern of which also corresponds to that of FIGS. 2 and 3.

Die Basisschicht 8 der Federkörper 4 bildet gleichzeitig eine Auflageplatte für die Federkörper 2 der unteren Lage 1, auf die sie oberseitig aufgelegt ist, und ist als solche, wie die Auflageplatte 9, mit den Hohlräumen 10 versehen. Die Basisschicht 7 der unteren Lage 1 von Federkörpern 2, die üblicherweise auf einer nicht punktelastischen Auflagefläche aufliegt, ist hingegen von den Hohlräumen 10 bzw. 10a und 10b freigehalten und bildet insoweit keine Auflageplatte im Sinne der Basisschicht 8 bzw. der Auflageplatte 9.The base layer 8 of the spring body 4 simultaneously forms a support plate for the spring body 2 of the lower layer 1, on which it is placed on the upper side, and as such, like the support plate 9, is provided with the cavities 10. The base layer 7 of the lower layer 1 of spring bodies 2, which usually rests on a non-point-elastic support surface, is kept free of the cavities 10 or 10a and 10b and does not form a support plate in the sense of the base layer 8 or the support plate 9.

Die Federkörper 2 und 4 der beiden Lagen 1 und 3 sind ihrerseits mit sich jeweils über ihre Höhe durchgehend erstreckenden, vertikal ausgerichteten geformten Hohlräumen 10a und 14, 14a versehen, die mit den Hohlräumen 10, 10a bzw. 10b der Auflageplatten 8 und 9 durchgehende vertikale Luftaustauschkanäle im Rahmen des Anteils der Hohlräume 10, 10a, 10b und auch der Hohlräume 10a, 14, 14a, von 10 bis 25% der Polsterfläche bilden, soweit dabei eine voll- oder teilflächige Deckungsgleichheit zwischen den übereinanderliegenden Hohlräumen 10, 10a, 10b, 14, 14a erreicht ist. In jedem Fall werden durch den elastischen Schaumstoffkern vertikal durchgehende Luftaustauschkanäle in einem solchen Umfang gebildet, daß eine vollständige Durchlüftung des Polsterkörpers über seine gesamte Dicke bzw. Höhe gewährleistet ist.The spring bodies 2 and 4 of the two layers 1 and 3 are in turn provided with vertically oriented shaped cavities 10a and 14, 14a, each of which extends continuously over their height, and which are vertical with the cavities 10, 10a and 10b of the support plates 8 and 9 Air exchange channels in the context of the proportion of the cavities 10, 10a, 10b and also the cavities 10a, 14, 14a form from 10 to 25% of the cushion surface, insofar as there is a full or partial coincidence between the superimposed cavities 10, 10a, 10b, 14 , 14a is reached. In any case, through the elastic foam core vertically continuous air exchange channels are formed to such an extent that a complete ventilation of the cushion body is guaranteed over its entire thickness or height.

Die geformten Hohlräume der Auflageplatte 8 bzw. 9 können mit den geformten Hohlräumen der Federkörper 2, 4 in ihrer Form und Anordnung übereinstimmen. Dies trifft insbesondere für die Hohlräume 10a der Lage 3 zu, da hier beispielsweise die das Ausgangswerkstück bildende Schaumstoffplatte als erstes mit den vertikal durchgehenden Hohlräumen 10a durch Materialausstanzungen 10a versehen werden kann, bevor in einem anschließenden Arbeitsgang die Federkörper 4 durch Einschneiden der Quer- und Längskanäle 5 und 6 gebildet werden.The shaped cavities of the support plate 8 or 9 can match the shaped cavities of the spring bodies 2, 4 in their shape and arrangement. This applies in particular to the cavities 10a of the layer 3, since here, for example, the foam plate forming the starting workpiece can first be provided with the vertically continuous cavities 10a by means of punched-out materials 10a, before the spring bodies 4 are cut in a subsequent operation by cutting the transverse and longitudinal channels 5 and 6 are formed.

Es kann aber auch eine solche Ausbildung der Federkörper 2, 4 gewählt werden, daß die Hohlräume 14, 14a der Federkörper 2, 4 in ihrer Form und/oder Größe gegenüber den Hohlräumen 10 der Auflageplatte 9 unterschiedlich gewählt sind. So sind die Hohlräume 14 bei den Federkörpern 2 der unteren Lage als kreisförmige, ggf. durch die Bassischicht 7 durchgehende Löcher unterschiedlichen Durchmessers gezeigt. Bei den Federkörpern 4 der Lage 3 ist zusätzlich zu den Hohlräumen 10a ein Hohlraum 14a im mittleren Bereich einiger der Federkörper 4 gebildet, der in die Basischicht 8 mit den Hohlräumen 10b ausmündet, die den Hohlräumen 10, 10a entsprechen. Hierdurch kann die Federhärte des Polsterkörpers bereichsweise verändert werden, wie es zur Schaffung unterschiedlicher Härtezonen des Polsterkörpers erwünscht ist.But it can also be chosen such a design of the spring bodies 2, 4 that the cavities 14, 14a of the spring bodies 2, 4 are selected differently in their shape and / or size compared to the cavities 10 of the support plate 9. Thus, the cavities 14 in the spring bodies 2 of the lower layer are shown as circular holes of different diameters, possibly passing through the bass layer 7. In the case of the spring bodies 4 of the layer 3, in addition to the cavities 10a, a cavity 14a is formed in the central region of some of the spring bodies 4, which opens into the base layer 8 with the cavities 10b which correspond to the cavities 10, 10a. In this way, the spring hardness of the cushion body can be changed in certain areas, as is desired to create different hardness zones of the cushion body.

Zu dem gleichen Zweck können an vorbestimmten Stellen des Polsterkörpers im Bereich der Quer- und/oder Längskanäle 5, 6 weitere geformte Hohlräume 17 durch Materialaussparungen bzw. -ausnehmungen als örtlich begrenzte Kanalerweiterungen gebildet sein. Zweckmäßig sind derartige Hohlräume 17 in den Kreuzungspunkten von Quer- und Längskanälen 5, 6 in den Schaumstoff des Polsterkörpers eingearbeitet.For the same purpose, further shaped cavities 17 can be formed at predetermined points of the cushion body in the area of the transverse and / or longitudinal channels 5, 6 by material cutouts or recesses as locally limited channel extensions. Such cavities 17 are expedient in the crossing points of transverse and longitudinal channels 5, 6 in the Foam of the upholstered body incorporated.

Zusätzlich zu den oben beschriebenen Maßnahmen zur Schaffung unterschiedlicher Härtezonen oder als Ersatz für diese können außerdem die Quer- und/oder Längskanäle 5, 6 in vorgegebenen Zonen des Polsterkörpers nach unten keilförmig erweitert sein, im Gegensatz zu der Normalausführung der Quer- und Längskanäle 5, 6 mit rechteckigem vertikalem Querschnittsprofil. So sind in Fig. 1 für die untere Federkörperlage 1 Längskanäle 6' in untereinander gleichförmiger Ausführung mit keilförmiger Erweiterung nach unten gezeigt, während für die Federkörperlage 3 Querkanäle 5' und 5'' gezeigt sind, die ihrerseits nach unten keilförmig erweitert sind, wobei jedoch die an die Basisschicht 8 angrenzende Seite des Keilprofils unterschiedlich breit ist. Dies ermöglicht weitere Variationen der Federsteife, ebenso wie dies durch unterschiedliche Wahl der Größe bzw. des Durchmessers der Hohlräume 14, 14a und 17 möglich ist. Ggf. können auch die Längskanäle 6, 6' in einer oder mehreren Federkörperlagen 1,3 entfallen.In addition to the measures described above for creating different hardness zones or as a replacement for them, the transverse and / or longitudinal channels 5, 6 can also be widened downwards in predetermined zones of the cushion body, in contrast to the normal design of the transverse and longitudinal channels 5, 6 with a rectangular vertical cross-sectional profile. For example, longitudinal channels 6 'are shown in Fig. 1 for the lower spring body layer 1 in a mutually uniform design with a wedge-shaped extension downwards, while for the spring body layer 3 transverse channels 5' and 5 '' are shown, which in turn are widened downwards, however the side of the wedge profile adjoining the base layer 8 is of different widths. This enables further variations in the spring stiffness, just as is possible by different choice of the size or the diameter of the cavities 14, 14a and 17. Possibly. can also omit the longitudinal channels 6, 6 'in one or more spring body layers 1.3.

Als Ganzes ist der Polsterkörper von einer Hülle 15 aus einem streckfähigen Gewirk, z.B. Trikot oder Jersey, oder aus einem elastischen Material umgeben, welches seinerseits den Luftaustausch nicht behindert und die Punktelastizität des Polsterkörpers nicht beeinträchtigt. Dabei kann mit der Hülle 15 eine Auflage 16 kombiniert sein, die beispielsweise aus Schafwolle besteht, ihrerseits streckfähig ist und auf der Oberseite der Auflageplatte 9 oder, wie in Fig. 1 gezeigt, der Hülle 15 aufliegt.As a whole, the cushion body is covered by a cover 15 made of a stretchable knitted fabric, e.g. Jersey or jersey, or surrounded by an elastic material, which in turn does not hinder the exchange of air and does not impair the point elasticity of the cushion body. In this case, a cover 16 can be combined with the cover 15, which, for example, consists of sheep's wool, is itself stretchable and rests on the top of the support plate 9 or, as shown in FIG. 1, the cover 15.

Claims (14)

Flächiger Polsterkörper, insbesondere Matratze, mit einem elastischen Kern aus Schaumstoff, der eine Vielzahl unterseitig durch eine durchgehende Basisschicht in zumindest einer Lage miteinander verbundener Federkörper umfaßt, die in Belastungsrichtung zumindest bereichsweise gegeneinander verschiebbar ausgebildet sind, dadurch gekennzeichnet, daß jeder einzelne Federkörper (2,4) sich über seine Höhe durchgehend erstreckende, vertikal ausgerichtete geformte Hohlräume (10a,14,14a) aufweist, daß auf die oder jede Lage (1,3) von Federkörpern (2,4) oberseitig eine Auflageplatte (8,9) aufgelegt ist, die ihrerseits mit sich über ihre Höhe durchgehend erstreckenden, vertikal ausgerichteten geformten Hohlräumen (10,10a,10b) versehen ist, und daß die Hohlräume (10a,14,14a) der einzelnen Federkörper (2,4) mit den Hohlräumen (10,10a,10b) der oder jeder Auflageplatte (8,9) durchgehende vertikale Luftaustauschkanäle bilden.Flat cushion body, in particular mattress, with an elastic core made of foam, which comprises a plurality of spring bodies connected to one another on the underside by a continuous base layer in at least one layer, which are designed to be displaceable in relation to one another at least in regions, characterized in that each individual spring body (2, 4) extending continuously over its height, vertically oriented shaped cavities (10a, 14, 14a) that a support plate (8, 9) is placed on top of the or each layer (1, 3) of spring bodies (2, 4) , which in turn is provided with vertically oriented shaped cavities (10, 10a, 10b) extending continuously over its height, and that the cavities (10a, 14, 14a) of the individual spring bodies (2,4) with the cavities (10, 10a, 10b) of the or each support plate (8,9) form continuous vertical air exchange channels. Polsterkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Hohlräume (10,10a,10b,14,14a) etwa 10 bis 25% der Polsterfläche einnehmen.Upholstered body according to claim 1, characterized in that the cavities (10, 10a, 10b, 14, 14a) occupy about 10 to 25% of the cushion area. Polsterkörper nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Hohlräume (10,10a,10b) der Auflageplatte (8;9) ein Lochmuster solcher Art bilden, daß jede geradlinige Parallele zur Basisschicht (7) der Federkörper (2) mindestens eine Materialausnehmung (10, 10a,10b) schneidet.Upholstery body according to claim 1 or 2, characterized in that the cavities (10, 10a, 10b) of the support plate (8; 9) form a perforated pattern such that each straight line parallel to the base layer (7) of the spring body (2) has at least one material recess (10, 10a, 10b) cuts. Polsterkörper nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Hohlräume (10;10';10'') der Auflageplatte (8;9) die Grundform von Langlöchern aufweisen und ein Lochmuster mit abwechselnd um 90° zueinander versetzten Längsmittelachsen (11) der Langlöcher bilden.Upholstered body according to one of claims 1 to 3, characterized in that the cavities (10; 10 '; 10' ') of the support plate (8; 9) have the basic shape of elongated holes and a perforated pattern with longitudinal central axes (11 ) form the elongated holes. Polsterkörper nach Anspruch 4, dadurch gekennzeichnet, daß die gegenseitige Beabstandung der Langlöcher so gewählt ist, daß jeweils von zwei versetzt zueinander angeordneten Langlöchern die Längsmittelachse (11) des einen Langloches mit der mittleren Querachse (12) des anderen Langloches zusammenfällt.Upholstered body according to claim 4, characterized in that the mutual spacing of the elongated holes is selected such that the longitudinal center axis (11) of one elongated hole coincides with the central transverse axis (12) of the other elongated hole of two elongated holes arranged offset from one another. Polsterkörper nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß bei zwei oder mehreren Lagen (1,3) von Federkörpern (2,4) die Auflageplatte (8) einer unteren Lage (1) zugleich die Basisschicht (8) der nächstoberen Lage (3) von Federkörpern (4) bildet.Upholstered body according to one of claims 1 to 5, characterized in that, in the case of two or more layers (1,3) of spring bodies (2,4), the support plate (8) of a lower layer (1) also forms the base layer (8) of the next upper layer (3) of spring bodies (4). Polsterkörper nach Anspruch 6, dadurch gekennzeichnet, daß die Auflageplatte (8) mit den Federkörpern (4) der nächstoberen Lage (3) eine Platteneinheit bildet.Upholstery body according to claim 6, characterized in that the support plate (8) forms a plate unit with the spring bodies (4) of the next upper layer (3). Polsterkörper nach Anspruch 7, dadurch gekennzeichnet, daß die Hohlräume (10a) der Auflageplatte (8) mit denen der Federkörper (4) der nächstoberen Lage (3) in ihrer Form und Anordnung übereinstimmen.Upholstered body according to claim 7, characterized in that the cavities (10a) of the support plate (8) match those of the spring body (4) of the next upper layer (3) in terms of their shape and arrangement. Polsterkörper nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Hohlräume (10a,14,14a) der Federkörper (2,4) in vorbestimmten Bereichen des Polsterkörpers in ihrer Form und Größe gegenüber den übrigen Bereichen des Polsterkörpers unterschiedlich geformt sind.Upholstery body according to one of claims 1 to 8, characterized in that the cavities (10a, 14, 14a) of the spring bodies (2,4) are shaped differently in shape and size in predetermined areas of the upholstery body compared to the other areas of the upholstery body. Polsterkörper nach Anspruch 9, dadurch gekennzeichnet, daß im Bereich der Quer- und/oder Längskanäle (5,6) weitere geformte Hohlräume (17) als örtlich begrenzte Kanalerweiterungen gebildet sind.Upholstered body according to claim 9, characterized in that in the region of the transverse and / or longitudinal channels (5, 6) further shaped cavities (17) are formed as locally limited channel extensions. Polsterkörper nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß Lagen (1,3) von Federkörpern (2,4) und/oder Auflageplatten (8,9) aneinander fixiert sind.Upholstered body according to one of claims 1 to 10, characterized in that layers (1,3) of spring bodies (2,4) and / or support plates (8,9) are fixed to one another. Polsterkörper nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß er von einer Hülle (15) aus streckfähigem oder elastischem Material umgeben ist.Upholstered body according to one of claims 1 to 11, characterized in that it is surrounded by a sheath (15) made of stretchable or elastic material. Polsterkörper nach Anspruch 12, gekennzeichnet durch eine Auflage (16) aus streckfähigem und diffusionsfähigem Fasergewirk.Upholstered body according to claim 12, characterized by a support (16) made of stretchable and diffusible fiber fabric. Polsterplatte aus Schaumstoff, insbesondere zur Verwendung als Auflageplatte (9) in einem Polsterkörper nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß sie mit sich über ihre Höhe durchgehend erstreckenden vertikal ausgerichteten geformten Hohlräumen (10) versehen ist, die etwa 10 bis 25% ihrer Fläche einnehmen und ein Lochmuster solcher Art bilden, daß jede geradlinige Parallele zu ihrer horizontalen Mittelebene mindestens einen der Hohlräume (10) schneidet, die, bei einer Ausführung in der Grundform von Langlöchern, ein Lochmuster mit abwechselnd um 90° zueinander versetzten Längsmittelachsen (11) der Langlöcher bilden.Upholstery plate made of foam, in particular for use as a support plate (9) in an upholstery body according to one of claims 1 to 13, characterized in that it covers itself with their height is continuously extending vertically shaped cavities (10) which occupy about 10 to 25% of their area and form a perforated pattern such that each rectilinear parallel to their horizontal median plane intersects at least one of the cavities (10) which, at an embodiment in the basic form of elongated holes, form a perforated pattern with longitudinal central axes (11) of the elongated holes which are alternately offset by 90 ° to one another.
EP94100340A 1993-01-13 1994-01-12 A flat upholstery body of foam material, particularly mattress Expired - Lifetime EP0606892B1 (en)

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DE9300369U 1993-01-13
DE9300369U DE9300369U1 (en) 1993-01-13 1993-01-13
CH03348/95A CH690262A5 (en) 1993-01-13 1995-11-28 Rectangular cushion plate of foam material forming mattress has multi-layered elastic core with upper and lower layers of spring bodies limited by transversal and longitudinal channels

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WO2005041723A1 (en) * 2003-11-03 2005-05-12 Gommagomma S.R.L. Filling body for mattresses, pollows, cushions, seats or the like
US20120131752A1 (en) * 2009-07-29 2012-05-31 Technogel Italia S.R.L. Modular support element
US9462893B2 (en) 1998-05-06 2016-10-11 Hill-Rom Services, Inc. Cover system for a patient support surface
WO2020056472A1 (en) * 2018-09-21 2020-03-26 Fernandes Francisco Rozendo Structural arrangement for a mattress
US10993543B2 (en) 2019-01-04 2021-05-04 Diamond Mattress Company, Inc. Ventilated comfort layer

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DE4341280C1 (en) * 1993-12-03 1995-02-09 Reinhardt Maier Filling body made of elastic material and method of manufacturing it
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DE102011115483B4 (en) * 2011-05-15 2018-01-11 Ruf-Bett International Gmbh & Co. Kg bed
CN111839077A (en) * 2020-08-05 2020-10-30 湖南晚梦馨家俱有限公司 Automatic string spring machine of spring mattress

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19537500A1 (en) * 1995-09-26 1996-05-23 Engelin Veit Support for bed mattress made of foamed polymer
US9462893B2 (en) 1998-05-06 2016-10-11 Hill-Rom Services, Inc. Cover system for a patient support surface
US6269504B1 (en) 1998-05-06 2001-08-07 Hill-Rom Services, Inc. Mattress or cushion structure
US6701556B2 (en) 1998-05-06 2004-03-09 Hill-Rom Services, Inc. Mattress or cushion structure
US7966680B2 (en) 1998-05-06 2011-06-28 Hill-Rom Services, Inc. Patient support surface
US8601620B2 (en) 1998-05-06 2013-12-10 Hill-Rom Services, Inc. Cover system for a patient support surface
WO1999056591A1 (en) * 1998-05-06 1999-11-11 Hill-Rom, Inc. Mattress or cushion structure
WO2005041723A1 (en) * 2003-11-03 2005-05-12 Gommagomma S.R.L. Filling body for mattresses, pollows, cushions, seats or the like
US20120131752A1 (en) * 2009-07-29 2012-05-31 Technogel Italia S.R.L. Modular support element
US9265354B2 (en) * 2009-07-29 2016-02-23 Technogel Italia S.R.L. Modular support element
WO2020056472A1 (en) * 2018-09-21 2020-03-26 Fernandes Francisco Rozendo Structural arrangement for a mattress
US10993543B2 (en) 2019-01-04 2021-05-04 Diamond Mattress Company, Inc. Ventilated comfort layer
US11825952B2 (en) 2019-01-04 2023-11-28 Diamond Mattress Company, Inc. Ventilated comfort layer

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DE59400186D1 (en) 1996-05-15
EP0606892B1 (en) 1996-04-10
DE9300369U1 (en) 1993-03-25
CH690262A5 (en) 2000-06-30
ATE136436T1 (en) 1996-04-15

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