EP0421272B1 - Mattress - Google Patents
Mattress Download PDFInfo
- Publication number
- EP0421272B1 EP0421272B1 EP90118536A EP90118536A EP0421272B1 EP 0421272 B1 EP0421272 B1 EP 0421272B1 EP 90118536 A EP90118536 A EP 90118536A EP 90118536 A EP90118536 A EP 90118536A EP 0421272 B1 EP0421272 B1 EP 0421272B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- incisions
- mattress
- longitudinal direction
- transverse direction
- distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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Classifications
-
- 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 made of a block of elastic flexible polyurethane foam, which has at least on one of the two surfaces mutually parallel incisions both in the longitudinal direction and in the transverse direction, the depth of which is about 1/4 to 1/3 of the mattress thickness and where the incisions in the longitudinal direction of the mattress run at equal distances from one another.
- Such a mattress is known from BE-A-682 014.
- the incisions in the transverse direction are each at the same distance from each other, so that the mattress has the same overall hardness and resistance to stresses.
- a mattress is loaded to different extents by a person lying on it, with a higher load occurring in particular in the shoulder area and in the pelvic area, but this is compensated accordingly by the point-elastic properties of a foam mattress.
- the present invention is therefore based on the object of creating a mattress in which the point elasticity is increased with extremely simple means and a targeted support function can be achieved without, however, preventing or reducing the characteristic features and the suspension behavior.
- the incisions in the transverse direction have a smaller distance from one another in approximately the first third and the incisions in the last third of the mattress length than the incisions in the middle third.
- the incisions in the middle region of the mattress length are expediently approximately twice as large as in the other regions.
- At least the incisions in the transverse direction of the mattress can have an inwardly widening, teardrop-shaped cross section.
- This design allows greater flexibility of the foam segments on the longitudinal axis of the mattress core realize. This also increases the material's adaptability to the body contour. Furthermore, these tear-shaped cross cuts offer a lower risk of the material tearing at these critical points. Another effect is that these teardrop-shaped incisions form air channels, which increases the air permeability and improves the ventilation.
- the incisions expediently consist of vertical cuts in the longitudinal direction without material removal or can have a narrow, rectangular cross section, which requires only a small amount of material removal. Finally, it is also expedient if the respective first incision is at a greater distance parallel to a mattress edge than the average distance of the other incisions from one another.
- the mattress 1 has a block of soft elastic polyurethane foam, usually in the form of conventional polyether or HR foam, both on its top 2 and its bottom 3 transversely to the longitudinal direction of the mattress 1 extending incisions 4, 5 and 6, which can be simply formed as vertical cuts or, according to the illustrated embodiment, with a teardrop-shaped cross section widened downwards.
- a block of soft elastic polyurethane foam usually in the form of conventional polyether or HR foam
- cuts 7 and 8 are also provided in parallel in the longitudinal direction of the mattress 1, which have a narrow, rectangular cross section according to FIG. 2 with corresponding material removal, and are designed as simple cuts 8 according to FIG. 3.
- the transverse incisions 4, 5 and 6 and the longitudinal incisions 7 and 8 extend over a height of approximately a quarter to a third of the total thickness of the mattress 1.
- the vertically intersecting incisions 4, 5, 6 and 8 discrete surface sections 9 of a square or rectangular surface are thus cut free, which can separate or deform elastically under load independently of the surrounding surface elements.
- the transverse incisions 4, 5, 6 in particular can have different distances from one another.
- the distances between the incisions 4 in the first third of the mattress 1 and the distances between the incisions 6 in the third third are smaller than the distances between the incisions 5 in the central region. So the mattress works e.g. softer in the shoulder area, although the overall suspension behavior of the mattress block remains unchanged and the material's own restoring energy is retained.
- the respective edge areas 10, 11, 12 and 13 have only incisions over a wider area that are perpendicular to the respective edge. As a result, a higher seating stability is achieved on the edges of such a mattress provided with incisions.
Landscapes
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Matratze aus einem Block aus elastischem Polyurethan-Weichschaumstoff, die zumindest auf einer der beiden Oberflächen zueinander parallele Einschnitte sowohl in Längsrichtung als auch in Querrichtung aufweist, deren Tiefe etwa 1/4 bis 1/3 der Matratzendicke beträgt und wobei die Einschnitte in Längsrichtung der Matratze in gleichen Abständen voneinander verlaufen.The invention relates to a mattress made of a block of elastic flexible polyurethane foam, which has at least on one of the two surfaces mutually parallel incisions both in the longitudinal direction and in the transverse direction, the depth of which is about 1/4 to 1/3 of the mattress thickness and where the incisions in the longitudinal direction of the mattress run at equal distances from one another.
Eine solche Matratze ist aus der BE-A-682 014 bekannt. Dabei weisen jedoch auch die Einschnitte in Querrichtung zueinander jeweils einen gleichen Abstand auf, so daß damit die Matratze insgesamt überall die gleiche Härte und den gleichen Widerstand gegen auftretende Belastungen aufweist.Such a mattress is known from BE-A-682 014. However, the incisions in the transverse direction are each at the same distance from each other, so that the mattress has the same overall hardness and resistance to stresses.
Eine Matratze wird jedoch durch eine daraufliegende Person unterschiedlich stark belastet, wobei insbesondere im Schulterbereich und im Beckenbereich eine höhere Belastung auftritt, die jedoch durch die punktelastischen Eigenschaften einer Schaumstoffmatratze entsprechend ausgeglichen wird.A mattress, however, is loaded to different extents by a person lying on it, with a higher load occurring in particular in the shoulder area and in the pelvic area, but this is compensated accordingly by the point-elastic properties of a foam mattress.
Bei Schaumstoffmatratzen aus einem vollen Schaumstoffblock wird jedoch die Punktelastizität durch die Oberflächenspannung des Blockes etwas reduziert, d.h. eine solche Matratze macht zusätzlich beim Darauflegen einen etwas harten Eindruck.In the case of foam mattresses made from a full foam block, however, the point elasticity is somewhat reduced by the surface tension of the block, ie such a mattress also makes a somewhat hard impression when placed on it.
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Matratze zu schaffen, bei der mit äußerst einfachen Mitteln die Punktelastizität erhöht wird und eine gezielte Abstützfunktion erreichbar ist, ohne daß damit aber die charakteristischen Merkmale und das Federungsverhalten verhindert oder vermindert werden.The present invention is therefore based on the object of creating a mattress in which the point elasticity is increased with extremely simple means and a targeted support function can be achieved without, however, preventing or reducing the characteristic features and the suspension behavior.
Zur Lösung dieser Aufgabe ist erfindungsgemäß vorgesehen, daß die Einschnitte in Querrichtung in etwa dem ersten Drittel und die Einschnitte im letzten Drittel der Matratzenlänge einen geringeren Abstand voneinander aufweisen als die Einschnitte im mittleren Drittel.To achieve this object, it is provided according to the invention that the incisions in the transverse direction have a smaller distance from one another in approximately the first third and the incisions in the last third of the mattress length than the incisions in the middle third.
Durch diese Wahl der Abstände der Einschnitte läßt sich die Matratze in Zonen unterschiedlicher Härte unterteilen. So bringen nahe aneinanderliegende Einschnitte mehr Weichheit und lassen z.B. die Schulter weicher und tiefer einsinken, während breitere Einschnitte das Federungsverhalten des Materials verfestigen und somit mehr Abstützung bieten können.This choice of the spacing of the incisions allows the mattress to be divided into zones of different hardness. Incisions that are close together bring more softness and leave e.g. the shoulders sink in softer and deeper, while wider cuts strengthen the suspension behavior of the material and can therefore offer more support.
Zweckmäßigerweise weisen dabei die Einschnitte im mittleren Bereich der Matratzenlänge einen etwa doppelt so großen Abstand wie in den übrigen Bereichen auf.The incisions in the middle region of the mattress length are expediently approximately twice as large as in the other regions.
Ferner können zumindest die Einschnitte in Querrichtung der Matratze einen sich nach innen erweiternden, tropfenförmigen Querschnitt aufweisen.Furthermore, at least the incisions in the transverse direction of the mattress can have an inwardly widening, teardrop-shaped cross section.
Durch diese Gestaltung läßt sich eine höhere Flexibilität der Schaumsegmente auf der Längsachse des Matratzenkerns realisieren. Außerdem wird dadurch nochmals die Anpassungsfähigkeit des Materials an die Körperkontur gesteigert. Ferner bieten diese tropfenförmig verlaufenden Quereinschnitte eine geringere Gefahr des Einreißens des Materials an diesen kritischen Punkten. Ein weiterer Effekt liegt darin, daß durch diese tropfenförmigen Einschnitte Luftkanäle gebildet werden, wodurch die Luftdurchlässigkeit erhöht und die Durchlüftung verbessert wird.This design allows greater flexibility of the foam segments on the longitudinal axis of the mattress core realize. This also increases the material's adaptability to the body contour. Furthermore, these tear-shaped cross cuts offer a lower risk of the material tearing at these critical points. Another effect is that these teardrop-shaped incisions form air channels, which increases the air permeability and improves the ventilation.
Zweckmäßigerweise bestehen die Einschnitte in Längsrichtung aus vertikalen Schnitten ohne Materialentnahme oder können einen schmalen, rechteckigen Querschnitt aufweisen, der nur eine geringe Materialentnahme erfordert. Schließlich ist es noch zweckmäßig, wenn der jeweils erste Einschnitt parallel zu einer Matratzenkante einen größeren Abstand aufweist als der mittlere Abstand der übrigen Einschnitte voneinander beträgt.The incisions expediently consist of vertical cuts in the longitudinal direction without material removal or can have a narrow, rectangular cross section, which requires only a small amount of material removal. Finally, it is also expedient if the respective first incision is at a greater distance parallel to a mattress edge than the average distance of the other incisions from one another.
Damit und mit der Tatsache, daß die Matratze jeweils an den äußeren Kanten nur Einschnitte in einer Richtung, d.h. senkrecht zur jeweiligen Kante, aufweist, wird eine höhere Sitzstabilität erreicht.With this and with the fact that the mattress only cuts in one direction at the outer edges, ie perpendicular to the respective one Edge, a higher seating stability is achieved.
Anhand einer schematischen Zeichnung sind Aufbau und Funktionsweise eines Ausführungsbeispiels nach der Neuerung näher erläutert. Dabei zeigen:
- Fig. 1
- eine Ansicht auf eine Längsseite der Matratze,
- Fig. 2
- eine Ansicht auf eine Stirnseite der Matratze, und
- Fig. 3
- eine perspektivische Ansicht der Matratze als ganzes.
- Fig. 1
- a view of a long side of the mattress,
- Fig. 2
- a view of an end face of the mattress, and
- Fig. 3
- a perspective view of the mattress as a whole.
Wie man insbesondere aus Fig. 1 und 3 ersieht, weist die Matratze 1 aus einem Block aus weichelastischem Polyurethan-Schaumstoff, üblicherweise in Form von herkömmlichem Polyether oder HR-Schaum, sowohl auf seiner Oberseite 2 als auch seiner Unterseite 3 quer zur Längsrichtung der Matratze 1 verlaufende Einschnitte 4, 5 und 6 auf, die einfach als senkrechte Schnitte oder aber nach dem dargestellten Ausführungsbeispiel mit einem nach unten erweiterten, tropfenförmigen Querschnitt ausgebildet sein können.As can be seen in particular from FIGS. 1 and 3, the
Entsprechend Fig. 2 und 3 sind auch in Längsrichtung der Matratze 1 parallel Einschnitte 7 bzw. 8 vorgesehen, die nach Fig. 2 einen schmalen, rechteckigen Querschnitt mit entsprechender Materialentnahme aufweisen, und nach Fig. 3 als einfache Einschnitte 8 ausgebildet sind.According to FIGS. 2 and 3, cuts 7 and 8 are also provided in parallel in the longitudinal direction of the
Die quer verlaufenden Einschnitte 4, 5 bzw. 6 und die längs verlaufenden Einschnitte 7 bzw. 8 erstrecken sich dabei über eine Höhe von etwa einem Viertel bis einem Drittel der gesamten Dicke der Matratze 1.The
Wie man insbesondere aus Fig. 3 erkennt, werden somit durch die sich senkrecht schneidenden Einschnitte 4, 5, 6 sowie 8 diskrete Oberflächenabschnitte 9 quadratischer oder rechteckiger Fläche freigeschnitten, die sich bei Belastung gesondert und unabhängig von den umgebenden Flächenelementen absenken bzw. elastisch verformen können.As can be seen in particular from FIG. 3, the vertically intersecting
Durch diese freigeschnittenen Einzelbereiche 9 wird also einmal die Oberflächenspannung des Schaumstoffblockes 1 reduziert und zum anderen die ansich einem Schaumstoff schon innewohnende Punktelastizität noch zusätzlich erhöht, da sich besonders belastete Oberflächenabschnitte 9 leicher und stärker absenken können, während die übrigen Abschnitte ihre Gesamtstützkraft aufrechterhalten.By means of these cut-out
Zur weiteren, gezielten Anpassung der Härte der Matratze an auftretende Belastungen können insbesondere die querliegenden Einschnitte 4, 5, 6 unterschiedliche Abstände voneinander aufweisen. Wie man insbesondere aus Fig. 1 ersieht, sind die Abstände der Einschnitte 4 im ersten Drittel der Matratze 1 und die Abstände der Einschnitte 6 im dritten Drittel geringer als die Abstände der Einschnitte 5 im mittleren Bereich. Damit wirkt die Matratze z.B. im Schulterbereich weicher, obwohl der Matratzenblock insgesamt in seinem Federungsverhalten unverändert bleibt und die dem Material eigene Rückstellenergie beibehält.For further, targeted adjustment of the hardness of the mattress to occurring loads, the
Wie man ferner aus der Aufsicht nach Fig. 3 ersieht, weisen die jeweiligen Kantenbereiche 10, 11, 12 und 13 über einen breiteren Bereich nur Einschnitte auf, die senkrecht zur jeweiligen Kante verlaufen. Dadurch wird eine höhere Sitzstabilität auf den Kanten einer solchen, mit Einschnitten versehenen Matratze erreicht.3, the
Insgesamt ergibt sich also eine Matratze aus einem einstückigen, homogenen Material, bei der mit einfachen, sich kreuzenden Einschnitten gezielt Bereiche größerer Weichheit geschaffen werden können, ohne daß darunter die Gesamtelastizität leidet. Ein Ausschneiden und aufwendiges Verkleben von Matratzenbereichen aus Schaumstoffteilen unterschiedlicher Härte kann damit entfallen.Overall, this results in a mattress made of a one-piece, homogeneous material in which areas of greater softness can be created in a targeted manner with simple, intersecting incisions, without the overall elasticity suffering as a result. A cutting out and complex gluing of mattress areas from foam parts of different hardness can thus be omitted.
Claims (6)
- A mattress (1) made from a block of elastic polyurethane soft foam, which on at least one of the two surfaces (2, 3) comprises incisions (4, 5, 6; 7,8) extending parallel to one another both in the longitudinal direction and in the transverse direction, the depth of the said incisions measuring approximately 1/4 to 1/3 of the thickness of the mattress and the incisions (7, 8) in the longitudinal direction of the mattress (1) extending at uniform distances apart, characterised in that in the transverse direction the incisions (4) in approximately the first third and the incisions (6) in the last third of the mattress length are arranged closer together than the incisions (5) in the middle third.
- A mattress according to claim 1, characterised in that the incisions (5) in the central region of the mattress length are spaced apart at a distance which is approximately twice the distance between the incisions (4, 6) in the other regions.
- A mattress according to claim 1 and 2, characterised in that at least the incisions (4, 5, 6) in the transverse direction have a cross section widening towards the inside.
- A mattress according to claim 1, characterised in that the incisions (8) in the longitudinal direction are formed by vertical cuts with no removal of material.
- A mattress according to claim 1, characterised in that the incisions (7) in the longitudinal direction have a narrow rectangular cross section.
- A mattress according to one of the preceding claims, characterised in that the first incision (4, 6; 7, 8) in each case extending parallel to a mattress edge (10 to 13) is arranged at a distance from said mattress edge which is greater than the average spacing between the other incisions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90118536T ATE98101T1 (en) | 1989-10-02 | 1990-09-26 | MATTRESS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8911726U | 1989-10-02 | ||
DE8911726U DE8911726U1 (en) | 1989-10-02 | 1989-10-02 | mattress |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0421272A1 EP0421272A1 (en) | 1991-04-10 |
EP0421272B1 true EP0421272B1 (en) | 1993-12-08 |
Family
ID=6843369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90118536A Expired - Lifetime EP0421272B1 (en) | 1989-10-02 | 1990-09-26 | Mattress |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0421272B1 (en) |
AT (1) | ATE98101T1 (en) |
DE (2) | DE8911726U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10219311A1 (en) * | 2002-04-30 | 2003-11-20 | Metzeler Schaum Gmbh | Cover for seat cushion or mattress consists of layer of flexible foam between two layers of fabric sewn together to produce seams dividing it into segments with elliptical cross-section |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9104934U1 (en) * | 1991-04-23 | 1991-11-14 | RehaMed Technology GmbH, 6057 Dietzenbach | mattress |
DE4301362C2 (en) * | 1993-01-20 | 1995-03-23 | Koepp Ag | Mattress with a core made of flexible polyurethane foam |
DE29503620U1 (en) * | 1995-03-03 | 1995-04-27 | Diamona Hermann Koch GmbH & Co KG Fabrik für Wohn- und Schlafkomfort, 38446 Wolfsburg | Foam or latex mattress |
DE29624278U1 (en) * | 1996-01-08 | 2001-10-11 | Schwenk, Hans Ulrich, Dipl.-Ing., 72766 Reutlingen | Mattress underlay with elastic foam blocks |
DE19726280A1 (en) * | 1997-06-20 | 1998-12-24 | Klaus Prof Dr Heckmann | Mattress core |
DE10150494B4 (en) * | 2001-10-16 | 2015-11-12 | Hans Ulrich Schwenk | Method for producing a cushion body made of foam and upholstery body according to this method |
DE10209556B4 (en) * | 2002-03-04 | 2006-07-06 | Hülsta-Werke Hüls Gmbh & Co. Kg | Upholstery element made of elastic foam |
AT412319B (en) | 2003-08-26 | 2005-01-25 | Kapsamer Gmbh Joka Werke Johann | FOAMING INNER CORE OF UPHOLSTERY |
DE102004046517B4 (en) * | 2004-09-23 | 2015-11-12 | Hans Ulrich Schwenk | Method for producing a cushioning element made of foam, device for carrying out the method and padding element made of foam |
DE102006002188A1 (en) * | 2006-01-16 | 2007-07-19 | Emil Breckle Gmbh | Foam mattress for supporting different sections of the body has several lying zones with different supporting force adapted to different sections of a person's body |
FR2972908B1 (en) * | 2011-03-21 | 2014-03-07 | Osteoreve | MATTRESS FOR BEDDING, METHOD AND DEVICE FOR MAKING SAME |
DE102013015664B4 (en) * | 2013-09-20 | 2015-11-26 | Diamona Hermann Koch Gmbh & Co. Kg | Upholstery element for supporting a human body |
DE102014107290A1 (en) * | 2014-05-23 | 2015-11-26 | Ssc Swiss Shielding Corporation Ag | A thermal insulating member and method of mounting a thermal insulating member to an interior surface of a rail vehicle |
PL423498A1 (en) * | 2017-11-17 | 2019-05-20 | Woodcraft Spolka Z Ograniczona Odpowiedzialnoscia | Method for producing foam systems and the foam system |
WO2022204052A1 (en) * | 2021-03-22 | 2022-09-29 | Soft-Tex International, Inc. | Mattresses, cushions, and body-support pads or mats having voids and grooves on at least one surface |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3191197A (en) * | 1962-01-09 | 1965-06-29 | Louis E Frey | Mattress construction |
BE682014A (en) * | 1966-06-02 | 1966-11-14 | ||
GB1559851A (en) * | 1976-08-04 | 1980-01-30 | Evans R J P | Mattress or pad to support the human body |
GB8713953D0 (en) * | 1987-06-15 | 1987-07-22 | Mentor Medical Developments Lt | Cushion mattress/like support |
-
1989
- 1989-10-02 DE DE8911726U patent/DE8911726U1/en not_active Expired - Lifetime
-
1990
- 1990-09-26 EP EP90118536A patent/EP0421272B1/en not_active Expired - Lifetime
- 1990-09-26 DE DE90118536T patent/DE59003786D1/en not_active Expired - Fee Related
- 1990-09-26 AT AT90118536T patent/ATE98101T1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10219311A1 (en) * | 2002-04-30 | 2003-11-20 | Metzeler Schaum Gmbh | Cover for seat cushion or mattress consists of layer of flexible foam between two layers of fabric sewn together to produce seams dividing it into segments with elliptical cross-section |
DE10219311B4 (en) * | 2002-04-30 | 2004-12-23 | Metzeler Schaum Gmbh | Cover, especially for a seat cushion or a bed cushion |
Also Published As
Publication number | Publication date |
---|---|
ATE98101T1 (en) | 1993-12-15 |
DE59003786D1 (en) | 1994-01-20 |
DE8911726U1 (en) | 1989-12-28 |
EP0421272A1 (en) | 1991-04-10 |
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