EP3749143B1 - Siège - Google Patents

Siège

Info

Publication number
EP3749143B1
EP3749143B1 EP19703712.0A EP19703712A EP3749143B1 EP 3749143 B1 EP3749143 B1 EP 3749143B1 EP 19703712 A EP19703712 A EP 19703712A EP 3749143 B1 EP3749143 B1 EP 3749143B1
Authority
EP
European Patent Office
Prior art keywords
seat
seating
foam
seating furniture
core
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.)
Active
Application number
EP19703712.0A
Other languages
German (de)
English (en)
Other versions
EP3749143A1 (fr
Inventor
Hans-Christian Toni Hackmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GbR Mit Hans Christian Toni Hackmann & Raphael Schneider
Kubivent Sitz und Liegepolster GmbH
Original Assignee
GbR Mit Hans Christian Toni Hackmann & Raphael Schneider
Kubivent Sitz und Liegepolster GmbH
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 GbR Mit Hans Christian Toni Hackmann & Raphael Schneider, Kubivent Sitz und Liegepolster GmbH filed Critical GbR Mit Hans Christian Toni Hackmann & Raphael Schneider
Publication of EP3749143A1 publication Critical patent/EP3749143A1/fr
Application granted granted Critical
Publication of EP3749143B1 publication Critical patent/EP3749143B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/16—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats of legless type, e.g. with seat directly resting on the floor; Hassocks; Pouffes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/18—Seat parts having foamed material included in cushioning part
    • A47C7/20—Seat parts having foamed material included in cushioning part with reinforcement in the foam layer
    • 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
    • A47C27/08—Fluid mattresses
    • A47C27/086—Fluid mattresses with fluid-like particles, e.g. filled with beads
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/12—Chairs of special materials of plastics, with or without reinforcement
    • A47C5/125—Chairs of special materials of plastics, with or without reinforcement completely made of foam material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes

Definitions

  • the invention relates to a piece of seating furniture which comprises at least one seat in the form of a seating platform or in the form of a stool and at least one seat cushion.
  • Seating furniture such as chairs, benches, stools, armchairs, and sofas, is already familiar in a wide variety of shapes and designs. Different aspects can be important in the construction or design of seating furniture, depending on the intended use (e.g., living, working, or other).
  • the DE 20 2006 018 468 U1 shows a foam stool with a support core made of a material that is harder than the foam.
  • the support core occupies a comparatively small volume within the stool, and furthermore, no cuboid stools or seating are disclosed in this document. The use of seat cushions is also not addressed in this document.
  • the DE 20 2015 104 535 U1 relates to a stool with fabric covering.
  • the core of the invention underlying this document is the use of a fabric covering made of waterproof material.
  • the corresponding stool has a support body inside, which can be surrounded by a cushioning material.
  • the support body and cushioning material together form the core of the stool, and the outer layer of the stool is formed by the aforementioned (waterproof) fabric covering.
  • the DE 200 07 630 U1 only a seat cushion (multifunctional cushion) with a closed cover and a filling material provided in the cover.
  • the present invention seeks to take an evolutionary approach to the construction and design of a piece of seating furniture, i.e., an approach that takes human evolution into account.
  • an approach that takes human evolution into account i.e., an approach that takes human evolution into account.
  • the invention seeks to create a piece of seating that specifically meets the natural needs of humans, based on their evolutionary development.
  • This seating should allow the user to assume various, species-appropriate and healthy sitting positions.
  • the new seating should be versatile and allow for both static and dynamic use.
  • the new seating should be adaptable to different environments and living areas, so that the user does not have to do without the seating in any area of their life.
  • the novel seating furniture comprises, among other things, at least one seat in the form of a seating platform or a stool, as well as at least one seat cushion.
  • the seat has a hard core and a soft outer layer (compared to the core), with the core consisting of at least one rigid foam plastic and the outer layer consisting of at least one flexible foam plastic.
  • the seat cushion has a filling of microspheres made of rigid foam plastic with a diameter of less than 2 mm.
  • serving platform is intended to mean, according to the invention, that the seat can also be described as a platform intended for sitting, on which the user of the seat can assume any (arbitrary) sitting position.
  • tools used according to the invention is also intended to have a corresponding meaning.
  • a stool is a simple piece of seating furniture, usually without a backrest, on which the user can also assume any (arbitrary) sitting position.
  • the term "seat cushion” encompasses all cushions with a generally bag-like cover, preferably made of a fabric, which is filled with the microspheres of rigid foam plastic according to claim 1.
  • the cushion provided according to the invention serves, as will be described below, to support the sitting position on the pedestal-like or stool-like seating.
  • the core and outer layer of the seat are made of foam plastics (foams for short).
  • Foam is a material consisting of a solid plastic and a gas dispersed within it.
  • Rigid foams are foams that exhibit relatively high resistance to deformation under compressive loads. This is due, among other things, to the fact that rigid foams are predominantly closed-cell. Flexible foams, on the other hand, are softer than rigid foams and have an open-cell structure.
  • the rigid foam used is, in particular, a polyurethane (PUR/PIR) foam or a polystyrene (PS) foam.
  • PUR/PIR foam is known to be produced by the polyaddition of isocyanates with polyether or polyester polyols. A distinction is made between linear and cross-linked PUR foam.
  • Polystyrene (PS) foam is a plastic obtained by polymerizing styrene, which is expanded into various rigid polystyrene foams using various manufacturing processes. According to the invention, a so-called EPS rigid foam is preferably used. This expanded rigid polystyrene foam is foamed using, among other things, steam.
  • the flexible foam used according to the invention is preferably a polyurethane (PUR) foam.
  • PUR polyurethane
  • this can be produced from isocyanates and polyether polyols, using open-cell crosslinking.
  • the flexible foam is a polyurethane (PUR) composite foam.
  • PUR polyurethane
  • Such composite foams generally consist of cuttings from the production of PUR flexible foam and at least one binder. These materials are also readily known to those skilled in the art.
  • the density also called bulk density
  • the compression strength is given in kPa.
  • the core of the seating is made of a polystyrene (PS) foam having a density between 10 and 35 kg/ m3 and/or a compressive stress at 10% compression of ⁇ 30 kPa.
  • PS polystyrene
  • Even harder, preferred variants of such polystyrene foams can have compressive stresses at 10% compression of ⁇ 90 kPa, in particular ⁇ 150 kPa.
  • the outer layer of the seat is made of a polyurethane (PUR) foam with a compression hardness (at 40%) of ⁇ 15 kPa.
  • the compression hardness (at 40%) is between 15 and 40 kPa.
  • the seat cushion's filling made of rigid foam plastic microspheres with a diameter of less than 2 mm, ensures the cushion's dimensional stability, especially under weight. These small beads cannot roll away, thus largely preserving the user's seating position.
  • the microspheres of the seat cushion filling have a diameter of less than 1.5 mm.
  • the diameter of the microspheres is in particular between 0.5 mm and 1.5 mm.
  • microbeads of the seat cushion filling consist in particular of EPS rigid foam plastic (see above explanation).
  • the seat provided with the new piece of seating can, in principle, have any desired pedestal-like or stool-like shape. This allows the shape of the seat, and thus the overall design of the seating, to be adapted to the environment for which the seating is intended.
  • the size of the seat is also fundamentally unlimited in the invention.
  • the seat can be intended for use by one person, be it a child or an adult, or for use by at least two people, for example, by a group of people.
  • very different cross-sectional areas can be selected for the seat, for example, round, oval, or square cross-sectional areas.
  • the seating arrangement has at least two flat (plane) surfaces (optionally with a slight incline). These surfaces are intended as a seating surface for the user.
  • the seating furniture according to the invention comprises a seat with a hard core and a soft or softer outer layer (compared to the core).
  • the (harder) core serves, on the one hand, to give the seat the necessary stability.
  • the core ensures that the user of the seating furniture does not sink (too far) into the seat when assuming a sitting position.
  • the (softer) outer layer serves to increase seating comfort for the user. The outer layer therefore ensures that the user does not have to sit (exclusively) on the hard core.
  • the described functions of the (harder) core and (softer) outer layer can be utilized according to the invention by having the outer layer surfaces provided on the seat (and usable as a seat) with different firmnesses.
  • the outer layer is not equally soft throughout, but has different firmnesses/hardnesses (which are, of course, still softer than the core). This allows the user to select a seat surface and thus a seating position with different levels of softness.
  • the different firmnesses of the soft outer layer for different seating comfort can be achieved, for example, either by using different soft foam plastics for the corresponding surfaces of the outer layer or by using different thicknesses of the same soft foam plastic for different surfaces of the outer layer.
  • the seat in the invention is shaped like a cuboid or cube.
  • the flat surfaces can be arranged horizontally particularly easily and thus used as a seat.
  • the dimensions (edge lengths) a, b, and c of the cuboid are between 50 and 130 cm (a), between 50 and 90 cm (b), and between 20 and 50 cm (c). If the cuboid seating is arranged so that dimension c can be considered the height of the seating, the corresponding dimensions between 20 and 50 cm allow for comfortable seating positions for all users, from children to (tall) adults. This aspect will also be discussed further in connection with the drawings.
  • Preferred dimensions of the cuboid seating are, for example, 90 cm (a), 70 cm (b) and 40 cm (c), or 60 cm (a), 60 cm (b) and 40 cm (c).
  • the invention provides that the core of the seating occupies a comparatively large space within the seating itself.
  • the volume of the core should not be too small relative to the (total) volume of the seating.
  • the invention provides that the volume of the core is between 60% and 90% of the volume of the seating. Within this range, a core volume share of between 75% and 85% (each relative to the total volume of the seating) is further preferred.
  • the seating arrangement can have a cover or a cover that completely encloses the seating arrangement.
  • This cover protects the seating arrangement, and in particular the outer layer, against damage and/or soiling.
  • the cover which is usually made of fabric, can be permanently attached or removable, for example, using a zipper. In the latter case, the cover can then be cleaned or washed and reattached to the seating arrangement.
  • the seat cushion can have a round or oval cross-sectional area, i.e. a shape that is basically known from so-called yoga cushions.
  • the microbead filling of the seat cushion is usually located within a cover that serves as the undercover. Furthermore, a A decorative cover can be provided, which can also be removable. This decorative cover can be made of the same material as the (outer) seat cover. It is also possible to coordinate the design of both covers.
  • the seating furniture according to the invention can additionally comprise a wedge-shaped part for resting on the seat.
  • This part primarily serves as a heel wedge to support the feet when assuming a squatting position on the seat. This will be explained in more detail below.
  • the wedge-shaped part is preferably made of a rigid foam plastic, with reference to the above explanations of this material.
  • the seating furniture according to the invention with its combination of the described seating and the described seat cushion is associated with a whole series of advantages.
  • the (harder) core of the seat ensures, on the one hand, sufficient stability, including protection against deformation during use.
  • the core provides a comparatively hard and therefore stable support surface for the user, supporting them in their chosen sitting position.
  • the (softer) outer layer offers the user improved seating comfort, which they wouldn't get if they were sitting directly on the core.
  • the combination of core and outer layer is therefore an essential component for healthy sitting on a seat.
  • the seat cushion supports the user's chosen sitting position, thus contributing to the desired healthy sitting posture. This support is particularly necessary for users who cannot, or are not yet able to, maintain certain sitting positions for extended periods.
  • the sitting positions of deep squatting, heel-sitting, cross-legged sitting, and straddle sitting are particularly healthy for humans. These four basic positions can be adopted with the seating furniture according to the invention as follows:
  • a heel wedge can be placed underneath.
  • a seat cushion can also be used to support this squat. It can be placed, for example, under the buttocks between the legs, making the deep squat significantly easier.
  • the user In this sitting position, the user first kneels on a flat, horizontal surface. Then, the buttocks are lowered onto the heels. The insteps of the feet, as well as the lower legs, rest on the seat.
  • the seat cushion can also be placed under the buttocks to achieve a more comfortable sitting position for the user.
  • the user sits cross-legged on a flat, horizontal surface of the seat. This means that the legs or lower legs are crossed in front of the body.
  • the seat cushion can be placed under the buttocks.
  • the higher sitting position makes the cross-legged position more comfortable.
  • the user sits with only their buttocks (and thighs, if applicable) on a flat, horizontal surface of the seat.
  • the legs are spread outward, and the feet are placed on the floor in front of the seat.
  • the user sits on the seat like a (normal) stool.
  • the seat is designed to facilitate a healthy sitting position.
  • the seat cushion either makes this position more comfortable or allows the user to maintain this position for longer (depending on their mobility or health).
  • the seat cushion provides significant relief, especially for the knees and ankles.
  • a further advantage of the seating furniture according to the invention is its use for desk work, especially while standing.
  • the starting point here is that many workplaces are already equipped with height-adjustable desks, but their standing function is still used far too rarely.
  • the seating furniture according to the invention can provide a solution here.
  • the seat can be partially pushed under the desk in a suitable arrangement at a comparatively low height. This allows the user to place one foot on the seat and also change the foot at the same time. This allows for variable, dynamic standing at the desk with the foot resting on the seat.
  • a suitably designed cuboid seat can be placed upright and used in front of the desk, similar to a bar stool. This makes working while standing significantly easier and, accordingly, reduces the barrier to using the desk's standing function.
  • Fig. 1A and 1B show the combination of a seat 1 and a seat cushion 5, which together form the seating furniture according to the invention.
  • FIG. 1A Seat 1 has the shape of a cuboid with the edge lengths a, b and c. By selecting this shape, seat 1 has a total of six flat surfaces, arranged in pairs opposite each other, all of which can be used as a seat. The three different surfaces, of which there are two each, are in Fig. 1A marked with the reference numerals 2, 3 and 4.
  • Fig. 1A The dimensions of the seat 1 and the internal structure of the seat 1 consisting of core and outer layer are shown in Fig. 1A not shown in detail.
  • Fig. 2 As explained in the description, the seat 1 can be covered by a cover that protects the outer layer, in particular, against damage and soiling.
  • the further component of the seating furniture according to the invention namely the seat cushion 5, is in Fig. 1B
  • This seat cushion 5 has a Fig. 1B
  • a filling of microspheres (not shown) is provided. These microspheres are made of rigid foam plastic and have a diameter of less than 2 mm.
  • the seat cushion 5 is, in relation to the seat 1, Fig. 1A Not shown to scale. It has a typical size for seat cushions, particularly with an oval cross-sectional diameter of between 20 and 40 cm. Its height is between 10 and 20 cm.
  • the seat cushion also has an (outer) cover, which Fig. 1B is not shown in detail. Fig. 1B However, it shows a handle/loop 6, which makes it easier to transport the seat cushion.
  • FIG. 2 shows the internal structure of a seat 21 according to the invention, which is a component of a piece of seating furniture according to the invention.
  • the seating 21 has a core 22 made of rigid polystyrene foam.
  • the material used is a predominantly closed-cell, rigid foam.
  • edge lengths of the core 22 are within the ranges specified in claim 11. In the case shown, edge lengths of 88 cm (a), 68 cm (b) and 36 cm (c) are preferred.
  • the Fig. 2 The unspecified outer layer of the seating 21, which is provided with its outer and possible seating surfaces around the core 22, is Fig. 2 In the illustrated case, it is formed by elements 23, 24, 25, and 26. These elements consist of a flexible foam plastic, namely a polyurethane (PUR) composite foam. This has a significantly lower strength (hardness) than the rigid foam plastic used for core 22.
  • PUR polyurethane
  • the plate-shaped elements 23, 24, 25, and 26 are assigned to the side surfaces of the core 22 with the corresponding dimensions and can, for example, be glued to the outer surfaces of the core 22. Accordingly, based on the above-mentioned preferred size of the core 22, the plate elements 23 have surface dimensions of 68 cm x 36 cm, the plate elements 24 have surface dimensions of 90 cm x 36 cm, and the plate elements 25 and 26 have surface dimensions of 90 cm x 70 cm.
  • the plate element 26 has a greater thickness/strength than the other plate elements.
  • the plate elements 23, 24 and 25 have a thickness of 1 cm, and the plate element 26 has a thickness of 3 cm.
  • the greater thickness of the plate element 26 ensures that the flat (supporting) surface formed by this plate element, which can serve as a seat for the user of the seat 21, has a lower strength than the other seat surfaces of the seat 21.
  • the seat surface formed by the plate element 26 is therefore softer due to its greater thickness than the other seat surfaces, in which only a 1 cm thick outer layer of the seat 21 is provided over the hard core 22.
  • FIG. 2 a seating arrangement according to the invention Fig. 1A with the (total) dimensions 90 cm (a), 70 cm (b) and 40 cm (c).
  • the volume occupied by the core 22 within the seating 21 is relatively large.
  • the volume share of the core 22 in the total volume of the seating 21 is 85%.
  • a user can preferably assume the seating positions mentioned in the description: deep squat, heel seat, cross-legged seat, and straddle seat.
  • the cuboid seat is placed on one of its sides, depending on the user's size or preference, and the sitting position is assumed on the opposite horizontal seat surface. The user can choose, among other things, whether to sit on a softer or less soft side surface.

Landscapes

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

Claims (10)

  1. Meuble d'assise, comprenant au moins un élément d'assise (1 ; 21) à la manière d'une estrade ou à la manière d'un tabouret et au moins un coussin d'assise (5),
    - l'élément d'assise (1 ; 21) présentant un noyau dur en au moins une matière plastique en mousse rigide, et une couche extérieure souple en au moins une matière plastique en mousse souple,
    - l'élément d'assise (1 ; 21) présentant au moins deux surfaces planes destinées à être utilisées en tant que surface d'assise et au moins une surface plane destinée à être utilisée en tant que surface d'assise présentant une dureté inférieure à celle des autres surfaces destinées à être utilisées en tant que surface d'assise,
    - l'élément d'assise (1 ; 21) possédant la forme d'un parallélépipède, de préférence les dimensions des longueurs de bords a, b, c de cet élément d'assise parallélépipédique (1 ; 21) étant comprises entre 50 et 130 cm (a), entre 50 et 90 cm (b) et entre 20 et 50 cm (c),
    - le volume du noyau (22) étant compris entre 60 % et 90 % du volume de l'élément d'assise (21), et
    - le coussin d'assise (5) possédant un remplissage de microbilles en matière plastique en mousse rigide d'un diamètre inférieur à 2 mm.
  2. Meuble d'assise selon la revendication 1, caractérisé en ce que la matière plastique en mousse rigide consiste en une mousse de polyuréthane (PUR/PIR) ou une mousse de polystyrène (PS), notamment une mousse rigide EPS.
  3. Meuble d'assise selon la revendication 1 ou la revendication 2, caractérisé en ce que la matière plastique en mousse souple consiste en une mousse de polyuréthane (PUR) ou de préférence en une mousse composite de polyuréthane (PUR).
  4. Meuble d'assise selon l'une quelconque des revendications précédentes, caractérisé en ce que le noyau de l'élément d'assise est constitué d'une mousse de polystyrène (PS) ayant une densité ρ comprise entre 10 et 35 kg/m3 et/ou ayant une contrainte de compression à 10 % d'écrasement ≥ 30 kPa.
  5. Meuble d'assise selon l'une quelconque des revendications précédentes, caractérisé en ce que la couche extérieure de l'élément d'assise est constituée d'une mousse de polyuréthane (PUR) ayant une dureté d'écrasement (à 40 %) ≥ 15 kPa, la dureté d'écrasement (à 40 %) étant de préférence comprise entre 15 et 40 kPa.
  6. Meuble d'assise selon l'une quelconque des revendications précédentes, caractérisé en ce que les microbilles de remplissage du coussin d'assise (5) possèdent un diamètre inférieur à 1,5 mm, de préférence un diamètre compris entre 0,5 mm et 1,5 mm.
  7. Meuble d'assise selon l'une quelconque des revendications précédentes, caractérisé en ce que les microbilles du remplissage du coussin d'assise (5) sont constituées de matière plastique en mousse rigide EPS.
  8. Meuble d'assise selon l'une quelconque des revendications précédentes, caractérisé en ce que le volume du noyau (22) est compris entre 75 % et 85 % du volume de l'élément d'assise (21).
  9. Meuble d'assise selon l'une quelconque des revendications précédentes, caractérisé en ce que le coussin d'assise (5) possède une surface de section transversale ronde ou ovale.
  10. Meuble d'assise selon l'une quelconque des revendications précédentes, de préférence selon la revendication 10, caractérisé en ce que le diamètre du coussin d'assise (5) est compris entre 20 et 40 cm, de préférence entre 30 et 35 cm, le coussin d'assise ayant notamment une hauteur comprise entre 10 et 20 cm.
EP19703712.0A 2018-02-07 2019-02-06 Siège Active EP3749143B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018201887.1A DE102018201887A1 (de) 2018-02-07 2018-02-07 Sitzmöbel
PCT/EP2019/052878 WO2019154838A1 (fr) 2018-02-07 2019-02-06 Siège

Publications (2)

Publication Number Publication Date
EP3749143A1 EP3749143A1 (fr) 2020-12-16
EP3749143B1 true EP3749143B1 (fr) 2025-09-10

Family

ID=65324386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19703712.0A Active EP3749143B1 (fr) 2018-02-07 2019-02-06 Siège

Country Status (5)

Country Link
US (1) US11583091B2 (fr)
EP (1) EP3749143B1 (fr)
DE (1) DE102018201887A1 (fr)
DK (1) DK3749143T3 (fr)
WO (1) WO2019154838A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504258A1 (de) * 1964-08-01 1969-10-09 Bayer Ag Verfahren zur Herstellung von Moebeln,insbesondere Sitzmoebeln aus Schaum-Kunststoffen
DE1952162U (de) * 1966-06-14 1966-12-22 Correcta Werke Gmbh Sitz- und liegemoebel od. dgl.
DE1952162A1 (de) 1969-10-16 1971-04-29 Horst Zimmermann Bodenbewegungsmaschine,insbesondere zum Herstellen von Graeben und Kanaelen
DE20007630U1 (de) * 2000-04-27 2000-08-17 Ziegleder-Weiß, Agnes, 84384 Wittibreut Mehrfunktionskissen
DE202006015434U1 (de) * 2006-10-09 2006-12-14 Löffler Bürositzmöbel GmbH Sitzmöbel zum aktiv-dynamischen Sitzen
US8158249B2 (en) * 2007-05-21 2012-04-17 Featherlyte, Llc Multi-layered foam furniture method and apparatus
US9456696B2 (en) * 2013-11-29 2016-10-04 Zinus, Inc. Foam furniture molded around a core with a lumbar support protrusion
CN104096365A (zh) * 2014-01-23 2014-10-15 际诺思（厦门）轻工制品有限公司 一种海绵玩具
DE202015104535U1 (de) * 2015-08-26 2015-11-03 Bolan Home Fashion Gmbh Hocker mit Stoffbespannung
US10034549B1 (en) * 2017-08-14 2018-07-31 Marcos Gois Basques Footstool and a method for making

Also Published As

Publication number Publication date
EP3749143A1 (fr) 2020-12-16
US11583091B2 (en) 2023-02-21
DE102018201887A1 (de) 2019-08-08
DK3749143T3 (da) 2025-12-01
WO2019154838A1 (fr) 2019-08-15
US20210037979A1 (en) 2021-02-11

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