EP3886652A1 - Mattress - Google Patents
MattressInfo
- Publication number
- EP3886652A1 EP3886652A1 EP19812743.3A EP19812743A EP3886652A1 EP 3886652 A1 EP3886652 A1 EP 3886652A1 EP 19812743 A EP19812743 A EP 19812743A EP 3886652 A1 EP3886652 A1 EP 3886652A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elastic
- mattress
- elevations
- layer
- mattress according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000006260 foam Substances 0.000 claims description 38
- 229920003023 plastic Polymers 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 6
- 239000011496 polyurethane foam Substances 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 36
- 229920002635 polyurethane Polymers 0.000 description 7
- 239000004814 polyurethane Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000003266 anti-allergic effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000000280 vitalizing effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
- A61G7/05715—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with modular blocks, or inserts, with layers of different material
Definitions
- the invention relates to a mattress with at least one layer, which has a plurality of elastic elevations. Together, these elastic elevations form at least one support surface for the user of the mattress.
- DE-OS 1554130 discloses a mattress (underlay or overlay for the human body) in which foam or foam rubber sections are inserted into a lattice-like carrier. The parts of these sections projecting beyond this carrier then jointly form the contact surface of the mattress.
- the new mattress comprises at least one layer that has a large number of elastic elevations. These elastic elevations jointly form at least one contact surface for at least part of the body of a user of the mattress.
- the elastic elevations are designed or arranged in such a way that an uneven contact surface is formed.
- the term “elastic elevation” is intended to mean that individual sections or regions are provided which have elasticity, and accordingly deform under the action of force (body support) and return to their original shape after this force has been lost. A large number of such elastic sections or regions then together form the contact surface of the mattress.
- the non-planar support surface can be provided on the one hand by a corresponding configuration of the corresponding elastic sections and areas. For example, surveys with different heights can be provided.
- an uneven contact surface can also be provided, for example, by arranging elevations to form the layer differently.
- At least two types of elastic elevations with different elasticity are provided. In this way it can be achieved that a different hardness of the support surface is provided in different areas of the uneven support surface.
- the contact surface provided by the elastic elevations is not only uneven, but also differently elastic / differently hard.
- the elastic elevations / sections / areas can be formed in different ways on the layer of the mattress. However, it is preferred according to the invention if the elastic elevations are formed on elastic bodies, in particular individual elastic bodies. Each elastic body preferably provides an elastic elevation.
- the elastic elevation can be formed by (at least) one side surface of this cuboid / cube.
- the elastic elevations and in particular also the elastic bodies on which the elastic elevations are formed, can consist of a wide variety of natural or artificially produced materials. It is preferred if plastics, in particular foam plastics, are used, in which Context, the use of at least one polyurethane foam is particularly preferred.
- the elastic bodies with the elastic elevations for forming the uneven contact surface of the mattress have different dimensions.
- the elastic bodies, in particular the polyhedra described below can have different heights. With the help of these different dimensions, in particular different heights, it is then possible to provide an uneven contact surface.
- the support surface as a whole then consists of only two types of elastic bodies with different dimensions, where appropriate and preferably these different elastic bodies can also have a different elasticity.
- the elastic bodies preferably have the shape of a polyhedron according to the invention.
- a polyhedron is a body that is limited only by straight surfaces (planes). These straight surfaces (planes) can then serve as an elastic elevation in the invention, as will be explained in more detail later, in order to provide a corresponding section or area for the uneven contact surface.
- the elastic bodies in the invention have the shape of a cuboid or a cube.
- the elastic bodies preferably have dimensions (edge lengths for polyhedra) of less than 20 cm, dimensions between 1 cm and 15 cm being preferred. Within the latter range, dimensions between 2 cm and 10 cm, in particular between 5 cm and 8 cm, are further preferred.
- the dimensions a and b are preferably between 5 cm and 7 cm, and the dimension c is between 3 cm and 8 cm.
- the support surface is then formed from these four types of elastic bodies (cuboids).
- the feature of an uneven contact surface is fulfilled, provided that at least one elastic elevation or one elastic section / area differs from the other elevations / sections / areas, in particular differs in height.
- the corresponding unevenness should be distributed over the entire contact surface. In principle, this can be achieved in that the elevations, in particular the arrangement of elastic bodies with different dimensions, are distributed in a regular pattern over the entire contact surface. This regular pattern can be predetermined and then results in a corresponding arrangement of the elevations or in a regular arrangement of the elastic bodies on which the corresponding elevations are located.
- the “unevenness” of the support surface does not follow a specific (predetermined) pattern.
- the elastic elevations, and thus in particular also the elastic bodies are irregular, i.e. distributed over the contact surface without a predetermined pattern. This is in line with the image used at the outset that the mattress according to the invention is intended to give the user the feeling of resting or sleeping on a (soft) forest floor.
- a forest floor is (as the mattress according to the invention) uneven in the result, but these bumps are not (also) distributed in a regular pattern over the contact surface for the user.
- the elastic elevations made of a block-like layer, in particular be mechanically molded from a corresponding foam plastic block, for example by appropriate cutting. It is also possible to place individual elastic bodies with the elastic elevations as partial sections / partial areas next to one another to form an uneven contact surface. The necessary positive and / or non-positive connection of the individual bodies can then be achieved, for example, by gluing or by bracing in an outer frame.
- the individual elastic bodies with the elastic elevations formed on them are inserted into the openings (meshes) of a planar grid.
- a closed connection between the individual elastic bodies is provided, and on the other hand, a ventilation function can be provided by the corresponding construction of the grid.
- the elastic elevations and in particular also the elastic bodies preferably consist of foam plastic according to the invention.
- Various parameters such as density (also called density) or compression hardness can be used to determine the relative strength of foams (hardness / softness).
- density also called density
- compression hardness can be used to determine the relative strength of foams (hardness / softness).
- density density
- compression hardness is given in kPa. It tells you how much pressure must be applied to a foam to compress it to a certain percentage of its initial height.
- the foam plastic used has a compression hardness (at 40%) of ⁇ 20 kPa, in particular a compression hardness (at 40%) of ⁇ 10 kPa.
- Preferred bulk densities of the foam plastics which can be used according to the invention are between 30 kg / m 3 and 80 kg / m 3, in particular between 40 kg / m 3 and 50 kg / m 3 .
- the mattress has at least one base beneath the at least one layer with the elastic elevations. This at least one base gives the layer and thus the mattress according to the invention additional stability.
- the base is usually connected to the layer arranged above it, in particular glued. If the elastic elevations are located on elastic bodies, these bodies can be connected, in particular glued, to the base on their underside (facing away from the elastic elevations). In preferred embodiments, it may be sufficient here if this connection, in particular gluing, is only provided on the elastic bodies provided on the edges of the mattress.
- the mentioned base is preferably of a single layer. It preferably also consists of a foam plastic, as is also used for the elastic elevations themselves or the elastic bodies.
- the base can preferably consist of a foam plastic of lower elasticity, as is used for the described elastic body with greater hardness.
- the mattress according to the invention which can basically be manufactured in any size (for example also as a seat cushion and the like), preferably has the dimensions of so-called standard mattresses.
- Common sizes for single beds are, for example, 100 cm x 200 cm and 90 cm x 200 cm.
- the height of the mattress according to the invention is generally in particular in the range of the heights of standard mattresses, i.e. between 15 cm and 25 cm.
- the height of the mattress according to the invention is preferably between 15 cm and 20 cm.
- the layer with the large number of elastic elevations in the mattress according to the invention can have a height between 5 cm and 10 cm, possibly with a base with a height between 5 cm and 15 cm, in particular between 8 cm and 13 cm.
- the mattress according to the invention is designed such that it can be rolled up. This makes it easier to transport the mattress, for example.
- the advantageous effect of the uneven support surface formed by the elastic elevations unfolds best when there is no further (intermediate layer) between this uneven support surface and the user.
- the mattress according to the invention can in particular have only one (thin) cover, which on the one hand protects the uneven contact surface against dirt and wear, and on the other hand at least partially absorbs the moisture formed when resting or sleeping.
- a thin cover can also have a warming and / or anti-allergic function.
- the invention also includes the layer that has been described in connection with the mattress according to the invention. Accordingly, this layer has a plurality of elastic elevations, which together form at least one contact surface.
- the elastic elevations are designed or arranged so that an uneven contact surface is formed.
- the layer according to the invention has at least two types of elastic elevations with different elasticity.
- the invention described has a number of advantages.
- Fig. 7 a schematic plan view of a mattress according to the invention
- FIG. 7 shows a schematic side view of the mattress according to FIG. 7.
- the example is PVC-coated polyester fibers.
- the arrangement in three rows serves to provide a ventilation effect for a layer according to the invention.
- the dimensions of the grid (1 1) in the example are 60 cm x 60 cm.
- larger grids are used.
- Fig. 2 shows four different elastic bodies 21, 22, 23 and 24 in cuboid shape, which are used with the help of the grid (11) to produce a layer and a mattress according to the invention.
- the elastic bodies 21 to 24 are made of polyurethane foam.
- the elastic bodies 21 and 22 consist of a harder foam, i.e. of a foam of lower elasticity, and the elastic molded bodies 23 and 24 are made of a softer foam, i.e. from a foam of greater elasticity.
- the elastic bodies 21 and 22 in the example can consist of a polyurethane foam with a bulk density of 44 kg / m 3 and a compression hardness of 6.5 kPa
- the elastic bodies 23 and 24 consist of a polyurethane foam with a bulk density of 47 kg / m 3 and a compression hardness of 4.4 kPa can exist.
- the compression hardness is based on a compression of 40%.
- the elastic bodies 21 to 24 are used with the grid of dimensions 60 cm x 60 cm according to FIG. 1.
- the base area of these cuboid elastic bodies is 5 cm x 5 cm. These dimensions of the base of the cuboids 21 to 24 are therefore the same for all elastic bodies.
- both the harder cuboids 21 and 22 and the softer cuboids 23 and 24 are provided at two different heights. In the example, these heights are 6 cm (cuboids 21 and 23) or 8 cm (cuboids 22 and 24).
- FIGS. 3 and 4 show a layer (31) according to the invention in a schematic top view (FIG. 3) and in a schematic side view (FIG. 4).
- the elastic bodies 21 to 24 are inserted into the openings (13) of the grid (11), flush on the underside. This can be achieved simply by compressing and appropriately arranging the elastic bodies in the grid.
- an uneven and hard surface (not designated in the figures) at the top of the layer (31), for example for the human body provided.
- the elastic elevations which together form the support surface for the user of the mattress, are formed from / on the elastic bodies 21 to 24, in particular from the top / upper regions of these elastic bodies.
- Characteristic of the layer (31) according to the invention according to FIGS. 3 and 4 is, on the one hand, the unevenness of the elastic bodies 21 to 24 provided support surface, and on the other hand the different hardness of this support surface in different places / areas.
- FIG. 5 and 6 show the case in which the layer (31) according to the invention is arranged on a base (52).
- This base (52) gives the layer (31) additional stability.
- the base (52) is also made of a polyurethane foam according to the example.
- the base (52) is preferably formed from the same materials as are used for the elastic bodies 21 to 24.
- the pad (52) also consists of a harder foam such as the cuboids 21 and 22.
- the layer (31) can be connected to the base (52) in a suitable manner, in particular by gluing. It will generally suffice here if the marginal cuboids of the layer (31) are glued to the base (52) on their underside (all over).
- FIGS. 7 and 8 finally show the (finished) mattress (71) according to the invention with a cover (72). 7 shows a schematic top view of the mattress (71), and FIG. 8 shows a schematic side view of this mattress (71). As shown, the cover (72) can be removed using the zipper (73).
- FIGS. 7 and 8 the following two aspects, which have already been explained in connection with the invention, should also be emphasized.
- both figures show that the top of the mattress, which forms the support surface, is uneven. This important aspect distinguishes the mattress (71) according to the invention from previously known mattresses and overlays. In addition, the contact surface is also of different hardness at different points, which is another important aspect of the invention.
- the cover (72) present in FIGS. 7 and 8 is irrelevant for the function of the mattress (71).
- the cover does not form an additional support that could influence, in particular impair, the actual function of the mattress in any way.
- the cover only serves to protect the elastic body / elastic elevations, which form the actual contact surface.
- the cover can have a thickness of (only) 3 mm with a weight per square meter (grammage) of 300 g / m 2 .
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018220431.4A DE102018220431A1 (en) | 2018-11-28 | 2018-11-28 | mattress |
PCT/EP2019/082592 WO2020109306A1 (en) | 2018-11-28 | 2019-11-26 | Mattress |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3886652A1 true EP3886652A1 (en) | 2021-10-06 |
EP3886652B1 EP3886652B1 (en) | 2023-10-11 |
Family
ID=68731972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19812743.3A Active EP3886652B1 (en) | 2018-11-28 | 2019-11-26 | Mattress |
Country Status (4)
Country | Link |
---|---|
US (1) | US12029326B2 (en) |
EP (1) | EP3886652B1 (en) |
DE (1) | DE102018220431A1 (en) |
WO (1) | WO2020109306A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220265061A1 (en) * | 2020-11-06 | 2022-08-25 | Harry Wilson Ross Barrett, III | Modular Furniture System |
US20220361684A1 (en) * | 2021-05-12 | 2022-11-17 | Shari C Waldie | Mattress for Infants |
US20220378216A1 (en) * | 2021-05-31 | 2022-12-01 | Starsprings Ab | Pocket mattress comprising integrated foam material |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1554130A1 (en) | 1966-05-10 | 1969-11-27 | Richard Stelzer | Support or support for the human body or individual body parts |
US4110881A (en) * | 1976-12-10 | 1978-09-05 | Thompson M Stafford | Resilient article and method of manufacture |
DE3209868A1 (en) | 1982-03-18 | 1983-09-29 | Richard 7990 Friedrichshafen Reuter | Fluctuation mat made of foamed material |
FR2592779B1 (en) * | 1986-01-15 | 1988-08-26 | Saviez Joseph | IMPROVED MATTRESS MADE OF INDIVIDUAL MODULAR ELEMENTS AND APPLICATION TO THE MANUFACTURE OF ARMCHAIRS, CUSHIONS AND REMOVABLE BACKREST |
US4768251A (en) * | 1987-03-30 | 1988-09-06 | Convo Corporation | Mattress pad |
CA2090643A1 (en) * | 1993-03-01 | 1994-09-02 | Paul W. Reinhardt | Contourable pocket foam mattress and method of manufacture |
US5353455A (en) * | 1993-05-12 | 1994-10-11 | Carpenter Co. | Padding body with individual modular elements |
DE29701959U1 (en) | 1997-02-05 | 1997-09-11 | Kleindienst, Wilhelmine, 80935 München | Mattress to prevent bedsores and to heal pressure sores |
CA2651065C (en) * | 2006-05-05 | 2016-07-12 | Matelas Rene Inc. | Cushioning structures for body parts |
DE202013101151U1 (en) | 2013-03-18 | 2013-03-28 | Kubivent Sitz- und Liegepolster GmbH | mattress |
US11311438B2 (en) * | 2015-05-21 | 2022-04-26 | Global Medical Foam, Inc. | Customizable pressure offloading cushioning device |
AU2016331028B2 (en) * | 2015-09-30 | 2020-10-22 | MASCULL, Elizabeth Jocelyn | An overlay |
WO2017058029A1 (en) * | 2015-09-30 | 2017-04-06 | MASCULL, Elizabeth Jocelyn | Contouring system and components |
DE202015106930U1 (en) | 2015-12-18 | 2016-01-14 | Hoffmann Gmbh | Mattress with a pocket spring zone |
US20210120957A1 (en) * | 2018-10-30 | 2021-04-29 | Inventall Inc. | Modules & Cells for Mattress & Furniture |
-
2018
- 2018-11-28 DE DE102018220431.4A patent/DE102018220431A1/en active Pending
-
2019
- 2019-11-26 US US17/297,137 patent/US12029326B2/en active Active
- 2019-11-26 WO PCT/EP2019/082592 patent/WO2020109306A1/en unknown
- 2019-11-26 EP EP19812743.3A patent/EP3886652B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2020109306A1 (en) | 2020-06-04 |
EP3886652B1 (en) | 2023-10-11 |
DE102018220431A1 (en) | 2020-05-28 |
US12029326B2 (en) | 2024-07-09 |
US20220015549A1 (en) | 2022-01-20 |
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