EP4260764A1 - Revêtement ou revêtement et procédé de fabrication d'un revêtement ou d'un revêtement - Google Patents

Revêtement ou revêtement et procédé de fabrication d'un revêtement ou d'un revêtement Download PDF

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Publication number
EP4260764A1
EP4260764A1 EP23167588.5A EP23167588A EP4260764A1 EP 4260764 A1 EP4260764 A1 EP 4260764A1 EP 23167588 A EP23167588 A EP 23167588A EP 4260764 A1 EP4260764 A1 EP 4260764A1
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EP
European Patent Office
Prior art keywords
support
layer
layers
base material
insert
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.)
Pending
Application number
EP23167588.5A
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German (de)
English (en)
Inventor
Peter Illien
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Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP4260764A1 publication Critical patent/EP4260764A1/fr
Pending legal-status Critical Current

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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
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/006—Use of three-dimensional fabrics
    • 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
    • A47C27/12—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton

Definitions

  • the present invention relates to a pad or insert, in particular a mattress, made of at least three layers, wherein a middle layer, which comprises at least one vertical fleece, is arranged between an upper layer and a lower layer, which are formed from a spacer fabric, and wherein the at least three layers are formed from or based on the same base material.
  • the invention further relates to a method for producing an overlay or insert, in particular a mattress according to claim 14.
  • a bed mattress which has a foam core or spring mattress core and a cover with a flexible spacer textile, with a liquid-impermeable layer being arranged between the core and the cover.
  • EP 2 352 403 B1 a support system for supporting a person, which is constructed of three layers, the first layer being formed from a vapor-permeable material, the second layer from a spacer material and the third layer from a vapor-impermeable material.
  • Separating the individual layers is particularly important when it comes to recycling the mattress to conserve resources, as the different materials can only be recycled effectively and cost-effectively if they can essentially be separated from each other according to type.
  • the fixed connection of the individual materials or layers to form a mattress as an overall object results in the particular disadvantage that the individual layers or different materials cannot be separated from one another essentially according to type.
  • the mattress's lifespan in the best case scenario, part, if any, of it can be reused to conserve resources.
  • the mattress usually ends up in residual waste and/or is incinerated, meaning that the resources are essentially lost.
  • a support or insert in particular a mattress, according to claim 1 and a method for producing a support or insert, in particular a mattress, according to claim 14.
  • Advantageous embodiments of the support or insert are in the Claims 2 to 13, an advantageous embodiment of the method according to the invention can be found in claim 15.
  • the pad or insert according to the invention in particular a mattress, can be produced in particular by means of the method according to the invention for producing a pad or insert, in particular a preferred embodiment thereof.
  • the method according to the invention is designed in particular for producing an overlay or insert according to the invention, in particular a preferred embodiment thereof.
  • the overlay or insert according to the invention comprises at least three layers, with a middle layer comprising at least one vertical fleece.
  • the middle layer of the support or insert is arranged between an upper layer and a lower layer, each of which is formed from a spacer fabric.
  • the overlay or insert is further characterized by the fact that the at least three layers are formed from or based on the same base material.
  • the support or insert By constructing the support or insert from the same base material, the support is ultimately designed to be essentially of the same material and is therefore particularly accessible to a recycling process.
  • the base material is based on a recyclable material.
  • the different layers which are designed differently in terms of their structure, do not have to be separated or separated from one another for a recycling process, but can be fed directly to the recycling process. This means that costly preparations for separating different materials in the support or insert can be avoided.
  • the overlay or insert can therefore be recycled as a whole without any further intermediate steps, thereby improving its sustainability and conserving resources.
  • a spacer fabric is in particular a three-dimensional textile in which spacer-keeping threads or fibers are arranged between the flat outer surfaces.
  • the base material is preferably a group of substances or a substance, in particular a single substance, for example a plastic.
  • the base material comprises exactly one component or is constructed from one component. Based on the base material, elements are considered that essentially comprise the base material and only contain minor and smaller amounts of other components.
  • the vertical fleece is a nonwoven material that has a vertical component.
  • a flat fiber web is folded in the vertical direction, preferably vertically to an original base area of the fiber web, with the vertical fleece having several folds.
  • the original fiber web plane is in particular aligned essentially vertically.
  • the fiber pile is preferably folded in an accordion-like manner.
  • the insert or overlay can in particular be a mattress.
  • the insert or cushion can also be a pillow, a cushion, for example for a sofa or an armchair, especially for outdoor furniture.
  • the overlay or insert can also only represent part of a mattress or a cushion; in particular, the core of the mattress or upholstery can be formed by a overlay or insert according to the invention.
  • the areas of application of the support or insert according to the invention extend essentially across all areas of seating and reclining furniture.
  • spacer fabric as an upper and lower layer as well as an intermediate layer comprising a vertical fleece also achieves optimal pressure distribution over the entire support or insert and at the same time makes it comfortable to sit or lie down. Due to this combination of individual elements, the pad also has a long stability in terms of its properties, especially in terms of hardness. Even after long and sustained use, the pad does not lose its hardness properties.
  • the layers of the overlay or insert are connected to one another using an adhesive, in particular to one another flatly connected, whereby the adhesive is also based on the base material.
  • the same base material is therefore used for both the layers and the adhesive, so that the overlay or insert is essentially a single-type object in relation to the base material.
  • This is particularly advantageous with regard to recycling the overlay or insert.
  • an adhesive based on the base material there is no need to separate the layers, since the materials do not differ and can therefore be processed in the same recycling process, for example to recover the base material.
  • the top, middle and bottom layers are vapor permeable.
  • no vapor-impermeable layers are arranged between the individual layers.
  • the support as a whole is vapor permeable. This makes it possible to expose the pad or insert to moisture, particularly during cleaning, with the complete vapor permeability enabling rapid drying.
  • a completely vapor-permeable structure of the pad or pad allows for quick drying.
  • the pad can easily come into contact with water or other liquids without this having a medium to long-term damaging effect on the pad.
  • the moisture transport is increased due to the vapor permeability, so that the pad or insert always looks pleasant to the user, even after prolonged use. It is also possible to completely clean the pad or insert according to the invention in an autoclave, with the pad drying quickly due to the complete vapor permeability.
  • the base material is preferably a plastic, preferably a thermoplastic, in particular polyester.
  • plastic preferably a thermoplastic, in particular polyester.
  • thermoplastics in particular, especially polyester can be processed into a variety of products; in particular, spacer fabrics, vertical fleeces and adhesives can be formed from them. These materials are available on the market in appropriate Quantities also available, so that the cushion or insert can be produced cost-effectively.
  • the polyester can be polybutylene terephthalate, polycarbonate, polyethylene terephthalate and/or polyethylene naphthalate.
  • the base material plastic if it is essentially pure, is very easy to recycle, for example by simply melting down the overlay or insert made from the base material.
  • the material obtained by melting can in turn be processed and, if necessary, prepared into the base material, which can be used again, for example, to produce vertical fleeces, spacer fabrics or adhesives.
  • recycled plastic can be used to produce vertical fleeces and spacer fabrics.
  • a thickness of the middle layer is in the range from 1 to 30 cm, preferably from 5 to 25 cm, particularly preferably from 10 to 20 cm.
  • the middle layer serves in particular to develop the hardness of the support or insert.
  • the thickness of the respective layer is determined in a thickness direction which is essentially perpendicular to a surface, in particular to the surface with the largest area, of the insert or overlay.
  • a thickness of the upper and/or lower layer is in the range from 0.1 cm to 6 cm, preferably from 0.5 cm to 5 cm, particularly preferably from 1 cm to 4 cm. In particular, the thickness of the upper and/or lower layer is less than the thickness of the middle layer.
  • the hardness of the support is in the middle range, preferably in the softer range.
  • the hardness can be adjusted through the combination of spacer knits and vertical fleece in the individual layers.
  • the hardness is particularly determined by the density of the vertical fleece.
  • the support or insert is essentially designed so that it has a hardness between H2 and H4.
  • the support is free of foam and spring cores.
  • the support is preferably free of elements that are not made from the base material.
  • the edition or insert should therefore essentially be formed from nonwovens and spacer knits, all of which are made from or based on the same base material.
  • the overlay or insert should not contain any elements that could have a negative impact on the recyclability of the overlay or insert.
  • the support or insert consists only of elements which are formed from or based on the same base material.
  • the pad can then be sent to the recycling route preferred for the base material without any complex intermediate steps.
  • a further outer layer is arranged on the upper layer, which is preferably formed from a spacer fabric.
  • the properties, in particular the support properties and comfort properties, of the overlay or insert can be positively influenced by the additional outer layer and can be adapted in particular to individual needs.
  • the outer layer is preferably formed from the same base material as the upper, middle and lower layers.
  • the outer layer is firmly glued to the upper layer with the adhesive or connected to it by connecting means.
  • the outer layer when the outer layer is permanently connected to the upper layer, it is necessary that the outer layer also consists of the same base material as the upper, middle and lower layers, so that the overlay or insert as a whole can be fed into the recycling process without the need for further processing steps requirement.
  • the outer layer may have a non-permanent, detachable connection to the upper layer using fasteners for this purpose.
  • the outer layer can therefore always be separated from the upper layer in order, for example, to adapt it to individual needs, particularly with regard to the hardness of the layer, the season or the hygiene requirements.
  • a preferred embodiment of the overlay or insert is characterized in that the overlay is covered by a lower cover and/or an upper cover.
  • the lower cover and/or the upper cover is also formed from the base material.
  • the lower cover and/or upper cover can in particular be detachable from the support, for example by means of a zipper, so that the lower cover and/or the upper cover can be easily separated from the support.
  • a detachable arrangement of the lower cover and/or the upper cover also enables the use of materials other than the base material for the lower cover or upper cover.
  • the top cover and/or bottom cover is preferably also designed to be vapor permeable. Alternatively or preferably additionally, the top cover has a 3D structure. This enables optimal air circulation and moisture regulation.
  • the lower layer has a greater thickness than the upper layer or the upper layer has a greater thickness than the lower layer.
  • different thicknesses between the lower layer and the upper layer significantly influence the comfort of sitting and/or lying on the support and can also be adapted to individual needs and the corresponding areas of use.
  • the pressure distribution over the support can be influenced and adjusted by different thicknesses of the upper and lower layers.
  • the middle layer preferably comprises two vertical fleeces, which are separated from one another in particular by a separating layer.
  • the middle layer can therefore itself have a multi-layer structure.
  • the middle layer can be arranged directly on top of each other. In particular, however, these are separated by at least one separating layer.
  • the separating layer allows the at least two vertical fleeces to be better connected to one another and fanning out can be avoided.
  • the separating layer is preferably designed as a spacer fabric.
  • the pressure distribution can be further improved by a separating layer made of a spacer fabric, so that in particular remanent depressions in the vertical fleeces due to one-sided use can be avoided. Even with a multi-layer structure of the middle layer using several vertical fleeces and/or separating layers, these layers are made from the same base material or are based on the same base material.
  • the two vertical fleeces of the middle layer can be distinguished from one another, in particular they have a different density and/or thickness.
  • a preferred embodiment is characterized in that a density of the at least one vertical fleece is in the range of 10 kg/m 3 to 40 kg/m 3 , preferably in the range of 20 kg/m 3 to 32 kg/m 3 .
  • the density of the at least one vertical fleece particularly influences the hardness of the overlay or insert.
  • the weight of the support is less than 15kg, preferably less than 12kg.
  • the support can preferably be designed as a mattress with a size of 90 cm by 200 cm and a correspondingly low weight.
  • the cover according to the invention is significantly lighter in relation to the aforementioned size, which means that it is easier to handle. In particular, it can be transported and replaced more easily. Despite its low weight, the cushion is very comfortable and durable.
  • the support or insert is essentially, in particular completely, made of the same material.
  • the support or insert is therefore made of the same material and is free of other materials, which further increases its recyclability.
  • the method produces an overlay or insert which is made from only one base material and is therefore essentially, in particular completely, made of the same material.
  • Such a manufactured insert or overlay can be fed to a recycling process, for example to recover the base material, in a simple manner without further intermediate steps, such as the separation of individual layers of the overlay or overlay.
  • the service life of the overlay or insert as well as its overall sustainability can be improved.
  • the layers are arranged relative to one another in such a way that the layer is completely vapor permeable, in particular vapor permeable in one thickness direction.
  • a plastic preferably a thermoplastic, in particular polyester, serves as the base material.
  • This base material is readily available in large quantities and is particularly suitable for the production of vertical fleeces, spacer fabrics and adhesives.
  • polyester in particular is highly recyclable, for example by melting it down again and then reprocessing it into vertical fleece, spacer fabric or adhesive.
  • FIG. 1 a first embodiment of a support 1 according to the invention is shown.
  • the support 1 comprises a lower layer 2 and an upper layer 4, each of which is formed from a spacer fabric with a thickness of 3 cm in a thickness direction 10.
  • a middle layer 3 is arranged between the upper layer 4 and the lower layer 2, which in the present case is formed only from a vertical fleece 8, which has a thickness of 15 cm in the thickness direction 10.
  • an outer layer 5 is arranged, which is also formed from a spacer fabric.
  • the spacer fabric of the outer layer 5 differs from the spacer fabric of the upper layer 4 and the lower layer 2 in its thickness. In the present case, the outer layer 5 has a thickness of 5 cm in the thickness direction 10.
  • the lower layer 2, middle layer 3, upper layer 4 and outer layer 5 are made from the same base material, in this case polyester.
  • the different layers 2, 3, 4, 5 of the support 1 are therefore all based on the same material, whereby the support 1 is made of the same material.
  • the material uniformity of the support 1 is further ensured by the fact that an adhesive is used to connect the individual layers 2, 3, 4, 5, which is also based on the base material.
  • the individual layers 2, 3, 4, 5 are thus connected to one another based on a polyester adhesive.
  • the lower layer 2, middle layer 3, upper layer 4 and outer layer 5 are each vapor permeable and arranged one on top of the other in such a way that the support 1 as a whole is vapor permeable at least in the thickness direction 10.
  • the complete vapor permeability of the support 1 enables it to be completely cleaned, for example by passing water or water vapor through the support 1 in the thickness direction 10. This means that the support 1 can easily be subjected to a jet of water for cleaning. It is also possible to completely clean the support 1 in an autoclave, whereby the complete vapor permeability enables the support 1 to dry quickly. Due to the uniform material structure of the support 1 made of the base material polyester, cleaning agents can also be used which are specifically tailored to the base material polyester, so that it is not attacked, for example.
  • FIG 2 a further edition 1 according to the invention is shown.
  • This edition 1 essentially shows the in Figure 1 Structure of the support 1 shown and is only completely covered with a top cover 7.
  • the top cover 7 has a 3D structure, which is also vapor permeable.
  • the 3D structure of the top cover 7 achieves optimal air circulation within and on the surface of the support 1, which also makes it comfortable for a user of the support 1 to sit or lie on.
  • the complete vapor permeability enables the support 1 to dry quickly, which is particularly advantageous when used outdoors.
  • FIG 3 a further embodiment of the support 1 according to the invention is shown, which differs in the structure of the middle layer 3 from that in the Figures 1 and 2 illustrated embodiments differs. Also those in Figure 3 illustrated embodiment of edition 1 has how Figures 1 and 2 a lower layer 2, upper layer 4 and outer layer 5. The difference to those in the Figures 1 and 2 The embodiments shown lie in the design of the middle layer 3, which in the present case is constructed in multiple layers.
  • the structure of the middle layer 3 includes, as in Figure 3 shown, three vertical fleeces 8, 8a, 8b and two separating layers 9, 9a.
  • the thickness of the middle layer 3 is a total of 25 cm, with each separating layer 9, 9a each having a thickness of 2 cm in the thickness direction 10 and the vertical fleeces 8, 8a, 8b each having a thickness of 7 cm Have thickness direction 10.
  • the density of the vertical fleeces 8, 8a, 8b is also identical to one another and is 26 kg/m 3 .
  • the vertical tiles 8, 8a, 8b can also have different thicknesses and, in particular, different properties, especially with regard to their density.
  • the hardness of the support 1 in particular can be essentially influenced, which is selected in particular depending on the respective area of application.
  • Different embodiments of the support 1 can be realized and made possible by different combinations of vertical fleeces 8, 8a, 8b and separating layers 9, 9a.
  • the separating layers 9, 9a can also have different properties and in particular different thicknesses.
  • the separating layers 9, 9a are each formed from knitted spacers, which are designed analogously to the lower layer 2 and upper layer 4.
  • the multi-layer structure of the middle layer 3 is stabilized and held together by gluing the individual elements made of vertical fleeces 8, 8a, 8b and separating layers 9, 9a using an adhesive, the adhesive as well as the vertical fleeces 8, 8a, 8b and separating layers 9, 9a are formed from the same base material, in this case polyester.
  • Figure 4 shows yet another embodiment of a support 1 according to the invention, the middle layer 3 in this exemplary embodiment being made up of two vertical fleeces 8, 8a, which are separated from one another by a separating layer 9.
  • the separating layer 9 is in turn formed from a spacer fabric, which is identical to the upper layer 4 both in its thickness of 3 cm in the thickness direction 10 and in its density.
  • the lower layer 2 has a smaller thickness of 2 cm in the thickness direction 10 compared to the upper layer 4.
  • An outer layer 5 is arranged on the upper layer 4.
  • the outer layer 5 is made of a thin spacer fabric, analogous to the lower layer 2.
  • the influence on the hardness of the support 1 is essentially determined by the vertical fleeces 8, 8a.
  • the density of the vertical fleeces 8, 8a must be chosen to be greater, the greater the degree of hardness of the support 1 should be.
  • a degree of hardness in the medium to softer range should be preferred, for which the density of the vertical fleece 8, 8a should be in the range of 20 kg/m 3 to 32 kg/m 3 , in this case 22 kg/ m3 .
  • the vertical tiles 8, 8a should have a greater density in order to make the support 1 harder overall.
  • the individual layers 2, 3, 4, 5 of the support 1 are arranged so that the support 1 is vapor permeable overall in the thickness direction 10.
  • Overlay 1 is free of vapor-impermeable layers.
  • the support 1 can be easily cleaned due to the vapor-permeable and uniform material construction made of a plastic, in this case polyester, and can be used in particular for applications in the field of nursing, in particular as mattresses for hospital beds.
  • FIG 5 Finally, another embodiment of the support 1 according to the invention is shown, the core of which is on the in Figure 4 illustrated edition 1 is based.
  • the Figure 5 points next to the in Figure 4 illustrated edition 1 as a core, a lower cover 6 and an upper cover 7, which can be detached individually or together from the edition 1.
  • Both the sub-reference 6 and The top cover 7 also completely envelops the core made of knitted spacers and vertical fleeces 8, 8a.
  • the lower cover 6 and the upper cover 7 are also made from the same base material as the vertical fleeces 8, 8a and the layers 2, 4 and 5.
  • the support 1, which in the present case is designed as a mattress can be sent in its entirety to a recycling process without the need for further processing steps such as separating the layers or layers from one another.
  • the lower cover 6 and the upper cover 7 can remain on the support 1 at the end of their service life, since the support 1 is made of the same material and is therefore fed into the recycling process throughout.
  • the lower cover 6 and the upper cover 7 can be formed from a material other than the base material if these are detachable from the core of the lower layer 2, middle layer 3, upper layer 4 and outer layer 5.
  • the top cover 7 or bottom cover 6 can be removed before the support 1 is fed to a recycling process.
  • the upper cover 7 and the lower cover 6 are equipped with a connecting means, in this case a zipper. This allows the upper cover 7 and lower cover 6 to be easily removed.
  • the embodiments of the support 1 according to the invention shown in the figures create, in particular, an object which can easily be fed into a recycling process and at the same time has a high level of comfort for the user in terms of sitting or lying properties.
  • edition 1 meets the highest standards of hygiene requirements, as it is easy to clean and, in particular, without special applications.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Laminated Bodies (AREA)
EP23167588.5A 2022-04-12 2023-04-12 Revêtement ou revêtement et procédé de fabrication d'un revêtement ou d'un revêtement Pending EP4260764A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022108947.9A DE102022108947A1 (de) 2022-04-12 2022-04-12 Auflage oder Einlage sowie Verfahren zur Herstellung einer Auflage oder Einlage

Publications (1)

Publication Number Publication Date
EP4260764A1 true EP4260764A1 (fr) 2023-10-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP23167588.5A Pending EP4260764A1 (fr) 2022-04-12 2023-04-12 Revêtement ou revêtement et procédé de fabrication d'un revêtement ou d'un revêtement

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EP (1) EP4260764A1 (fr)
DE (1) DE102022108947A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1500492A2 (fr) * 2003-04-29 2005-01-26 Gaenslen & Völter GmbH & Co. KG Structure textile plane et son procédé de fabrication
EP1200658B1 (fr) 1999-08-04 2007-05-02 Mothercare Uk Limited Perfectionnement des tissus d'ecartement
DE202012007510U1 (de) * 2012-08-03 2012-08-13 J.H. Ziegler Gmbh Schichtaufbau für ein Sitzpolster
EP2352403B1 (fr) 2008-11-19 2014-03-19 Huntleigh Technology Limited Système de support multicouche

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120060286A1 (en) 2008-06-06 2012-03-15 Timothy David Gendron Ventilated mattress cover
GB2533114A (en) 2014-12-09 2016-06-15 Medstrom Ltd Mattress or mattress overlay

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1200658B1 (fr) 1999-08-04 2007-05-02 Mothercare Uk Limited Perfectionnement des tissus d'ecartement
EP1500492A2 (fr) * 2003-04-29 2005-01-26 Gaenslen & Völter GmbH & Co. KG Structure textile plane et son procédé de fabrication
EP2352403B1 (fr) 2008-11-19 2014-03-19 Huntleigh Technology Limited Système de support multicouche
DE202012007510U1 (de) * 2012-08-03 2012-08-13 J.H. Ziegler Gmbh Schichtaufbau für ein Sitzpolster

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