EP3960037B1 - Wollmatratzeneneinheit, ihre herstellungs- und erneuerungsverfahren - Google Patents

Wollmatratzeneneinheit, ihre herstellungs- und erneuerungsverfahren Download PDF

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Publication number
EP3960037B1
EP3960037B1 EP20315400.0A EP20315400A EP3960037B1 EP 3960037 B1 EP3960037 B1 EP 3960037B1 EP 20315400 A EP20315400 A EP 20315400A EP 3960037 B1 EP3960037 B1 EP 3960037B1
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EP
European Patent Office
Prior art keywords
mattress
wool
receiving
base
envelope
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EP20315400.0A
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English (en)
French (fr)
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EP3960037A1 (de
Inventor
Julien Sylvain
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Tediber
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Tediber
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Priority to EP20315400.0A priority Critical patent/EP3960037B1/de
Priority to IL283111A priority patent/IL283111B2/en
Priority to US17/321,440 priority patent/US20220061543A1/en
Priority to KR1020210064318A priority patent/KR20220029330A/ko
Priority to CN202110610141.5A priority patent/CN114098353A/zh
Priority to JP2021107682A priority patent/JP2022041887A/ja
Publication of EP3960037A1 publication Critical patent/EP3960037A1/de
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Publication of EP3960037B1 publication Critical patent/EP3960037B1/de
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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
    • A47C27/12—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton
    • A47C27/124—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton with feathers, down or similar inlays
    • 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
    • A47C27/001—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with several cushions, mattresses or the like, to be put together in one cover
    • 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
    • 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
    • A47C27/121—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton with different inlays
    • 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
    • A47C27/122—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with fibrous inlays, e.g. made of wool, of cotton with special fibres, such as acrylic thread, coconut, horsehair
    • 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
    • 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
    • A47C27/22—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with both fibrous and foamed material inlays
    • 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
    • A47C31/02—Upholstery attaching means
    • 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
    • A47C31/02—Upholstery attaching means
    • A47C31/023—Upholstery attaching means connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like
    • 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
    • A47C31/02—Upholstery attaching means
    • A47C31/026—Upholstery attaching means passing through the upholstery, e.g. upholstery nails or buttons
    • 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
    • A47C31/10—Loose or removable furniture covers
    • A47C31/105—Loose or removable furniture covers for mattresses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G7/00—Making upholstery
    • B68G7/06—Filling of cushions, mattresses, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G7/00—Making upholstery
    • B68G7/10—Finishing of edges

Definitions

  • the invention relates to wool mattresses.
  • wool mattresses can be renovated several times by keeping the original filling, after cleaning, recarding, refurbishing and changing the outer fabric.
  • wool mattresses deform over time and have to be turned regularly, which users often do not do because such a mattress is heavy.
  • wool ends up settling and hollowing out over time, and does not offer as good support and as good a distribution of pressure on the body as a mattress filled with foam, latex and/or with pocket springs.
  • Another disadvantage of the wool mattress is that the comfort of a wool mattress is often determined by the type of box spring with which it is used.
  • the role of the box spring is therefore very important for a traditional wool mattress.
  • the US 2017/088990 A1 describes a structure comprising a mattress core, providing support, enclosed in an envelope comprising on one and/or the other of its two faces a layer formed of a sandwich of several materials.
  • This surface layer incorporates, for comfort, a layer of high-density foam and one or more layers of other materials, in particular wool.
  • Such a mattress thus offers the pleasant contact of wool but, due to the low thickness of the layer, the wool provides no support function and constitutes only a very minor part of the materials used for the production of the mattress.
  • the EP 0 806 166 A2 proposes a composite mattress structure with a stack of several layers of different natures, for example four layers with, on the bed base side, a layer with a filling of fibers (for example coconut fibers) on which is placed a first layer of latex, itself supporting a spring mattress, and finally a second layer of latex, sleeping side.
  • fibers for example coconut fibers
  • These different independent structures which are not fixed to each other, are united in the same common fabric envelope, which can be opened on three or four sides.
  • the mattress obtained undoubtedly provides excellent comfort, but its multicomposite structure is complex to produce, and therefore expensive.
  • the structure is not reversible (the mattress, heavy, not intended to be turned over because it is not symmetrical) and, finally, wool is only considered in a very subsidiary way, and without seeking to benefit from the well-known advantages of this material.
  • the EP 2 777 435 A1 describes an orthopedic assembly with two independent and separable mattresses, with an upper mattress resting on a support module which may in particular contain springs or high elasticity foam.
  • the top mattress is a heterogeneous structure, comparable to that of the EP 0 806 166 A2 aforesaid, formed of a sandwich of stacked layers that are all different, with distinct functions: "comfort” layer in wool and/or down acting as an interface with the underlying layer to avoid direct contact of the latter with the patient's body; "mechanical” layer formed by an assembly of different parts, some in highly elastic foam and others in shape memory polymer, with hardnesses chosen according to the regions of the body (shoulder, torso, etc.); “transfer” layer to capture moisture and transfer it to the underlying layer; "thermal” layer made up of an assembly of parts filled with wool (for areas of the body that you want to keep warm, such as the feet and shoulders) or wood shavings (for parts of the body that you want to keep cool, for example
  • the invention proposes a set of wool mattresses of the general type disclosed by the EP 2 777 435 A1 aforesaid, corresponding to the preamble of claim 1, and comprising the distinctive elements set out in the characterizing part of this claim 1.
  • Subclaims 2 to 9 are directed to advantageous subsidiary features of this wool mattress set.
  • the invention also relates to a method for manufacturing such a set of mattresses, as stated in claims 10 and 11.
  • the invention also relates to a method for renovating such a set of mattresses, such as stated in claim 12.
  • the mattress assembly essentially comprises a host mattress 10 resting on a base mattress 20.
  • the two host mattresses 10 and base 20 are independent and separable, the host mattress 10 resting freely on the base mattress 20.
  • the mattresses 10 and/or 20 are reversible mattresses.
  • This set of two mattresses 10, 20 is normally intended to rest on a bed base 30 (which is not part of the invention).
  • a mattress pad 40 advantageously covers the upper face of the receiving mattress 10, in contact with the user, so as to protect the mattress at this location.
  • the host mattress 10 is a mattress comprising a wool filling 11
  • the base mattress 20 is a mattress comprising a foam filling 21.
  • a typical composition of the filling 10 is, for example and without limitation, a stack of four to five layers of wool 12 cm thick each.
  • the wool used may for example be a coated (needled) wool of 1.5 kg/m 2 for 12 cm in thickness.
  • the wool filling 11 is enclosed in an envelope 12, for example an envelope in the form of a cover closed on three sides by a zipper 13.
  • the cover of the envelope 12 may in particular be a linen cover, for comfort ( thermal regulation) and its ecological character.
  • dimples 14 are made over the extent of the mattress, the number of dimples being a function of the firmness desired for the mattress.
  • these dimples can be of different colors on each of the two sides of the receiving mattress 10, so that the user can remember whether or not he has turned the mattress over.
  • Side handles 16 can be provided to facilitate this operation of turning over the wool mattress.
  • the base mattress 20, for its part, comprises a foam filling 21 enclosed in an envelope 22, for example a polyester cover.
  • the foam used is, for example and without limitation, an 80 kg/m 3 foam in a plate 8 cm thick (it is also possible to use a less dense but thicker foam).
  • the material used for the foam of the packing 21 is advantageously a flexible polyurethane foam resulting from recycling, that is to say a composite foam obtained from foam scraps and flakes sorted and mixed with a binder.
  • foam recycling techniques are known, such as rebound foam or fiber bonded foam, giving foam blocks in the form of plates or rolls which are perfectly suitable for use in the context of the invention for the production of the base mattress 20 supporting the wool welcome mattress 10.
  • the face 23 of the base mattress 20 which will be in contact with the underside of the reception mattress 10 is advantageously provided with a non-slip fabric in order to maximize adhesion and prevent the reception mattress 10 from slipping on the base mattress. 20 on which it is placed. If it is desired to be able to turn over the base mattress 20, each of the two faces of the mattress will be equipped with such a non-slip fabric.
  • the button 15 of the reception mattress 10 can also be passed through a buttonhole 41 secured to the mattress pad 40 at each of the corners of the latter, which makes it possible to keep the mattress taut on the reception mattress in wool 10.
  • the mattresses can both be turned over independently in the two dimensions (top/bottom and head/feet), which allows them to maintain a more or less uniform support and to extend the lifetime of the whole.
  • a sheet of wool in a roll is cut so as to obtain (step A) parts 11a, ... 11d whose length and width dimensions correspond to the length and width of the reception mattress to be made. These pieces of fleece wool are stacked (step B) so as to form the packing 11 of wool.
  • This filling 11 is placed (step C) in the envelope 12, which is a pre-sewn cover provided with a zipper on three or four of its sides.
  • the reception mattress 10 obtained is advantageously (but not necessarily) padded (step E), the number of pads 14 to be placed depending on the firmness desired for the mattress.
  • the reception mattress 10 thus produced can be rolled (step F), this packaging being made possible by the reduced thickness and the work in a sheet, which would not be possible with a traditional mattress based on wool flakes, much thicker and extremely difficult to roll up.
  • a foam block 21 is cut to the desired length, width and thickness dimensions, and placed (step C′) in its envelope 22, here again advantageously made in the form of a pre-sewn cover provided with a zipper on three or four of its sides.
  • step D′ the base mattress 20 is advantageously rolled up (step F′), which makes it possible to obtain, at the end of the process, two separate rolls 10, 20 that are easy to package, handle and transport (step G).
  • the composite mattress structure according to the invention also lends itself very well to renovation.
  • the most easily damaged part namely the wool mattress 10
  • the wool mattress 10 is not only easy to turn over to reduce damage, but can be separated from the base mattress 20 to be taken to an upholsterer, or even recarded home.
  • This carding is facilitated by the conformation of the wool in layers and not in flakes.
  • the carding can in fact be carried out easily with points, according to techniques which are traditional in themselves.
  • the recarded wool layers are then replaced in the cover, then re-padded.
  • the original cover is stained, it can easily be washed or replaced with a new cover (and the same for the base mattress 20 if necessary). It should be noted that, unlike traditional techniques for renovating wool mattresses, it is not necessary to unstitch or change the envelope, insofar as the filling of wool sheets is simply housed in a resealable cover.
  • a repairable product is thus obtained, which multiplies its lifespan: the wool part can be easily re-carded every five to ten years, while the foam base suffers little or no damage over time.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Bedding Items (AREA)
  • Nonwoven Fabrics (AREA)

Claims (12)

  1. Eine Wollmatratzeneinheit, umfassend, in Kombination:
    - eine Aufnahmematratze (10), umfassend eine Ausfütterung aus Wolle (11), die in einer ersten Hülle (12) eingeschlossen ist; und
    - eine Grundmatratze (20), umfassend eine Ausfütterung aus Schaumstoff (21), die in einer zweiten Hülle (22) eingeschlossen ist,
    wobei die Aufnahmematratze (10) auf die Grundmatratze (20) gelegt ist und die Aufnahmematratze (10) und die Grundmatratze (10) unabhängig und trennbar sind,
    dadurch gekennzeichnet, dass die Ausfütterung aus Wolle (11) der Aufnahmematratze (10) von einem Stapel aus einer Mehrzahl von übereinandergelegten Schichten aus Wollvlies (11a... 11e) gebildet ist, der im Wesentlichen keine Flockenwolle enthält.
  2. Die Wollmatratzeneinheit nach Anspruch 1, wobei die Aufnahmematratze (10) ferner Polsterungen (14) umfasst, die zwischen gegenüberliegenden Flächen der Aufnahmematratze(10) gebildet sind, zum Polstern der Ausfütterung aus Wolle (11), die in der ersten Hülle (12) eingeschlossen ist.
  3. Die Wollmatratzeneinheit nach Anspruch 1, wobei der Stapel ein Stapel aus vier bis fünf Vliesen mit jeweils 12 cm Dicke aus nadelgefilzter Vlieswolle mit 1,5 kg/m2 pro 12 cm Dicke ist.
  4. Die Wollmatratzeneinheit nach Anspruch 1, wobei die Ausfütterung aus Schaumstoff (21) der Grundmatratze (20) ein Material enthält, das aus Schaumstoffrecycling stammt.
  5. Die Wollmatratzeneinheit nach Anspruch 1, wobei die Dichte der Ausfütterung aus Schaumstoff (21) der Grundmatratze (20) wenigstens 35 kg/m3 beträgt.
  6. Die Wollmatratzeneinheit nach Anspruch 1, wobei die erste Hülle (12) und/oder die zweite Hülle (22) abnehmbare Bezüge sind, die auf drei oder vier Seiten geöffnet werden können.
  7. Die Wollmatratzeneinheit nach Anspruch 1, wobei die Grundmatratze (20) an ihrem Umfang, insbesondere an ihren vier Ecken, Laschen (24) zum Zentrieren und zum Festhalten der darüber gelegten Aufnahmematratze (10) umfasst.
  8. Die Wollmatratzeneinheit nach Anspruch 7 und wobei die Aufnahmematratze (10) ferner an jeder ihrer vier Ecken einen Knopf (15) umfasst, der für das Zusammenwirken mit einem Knopfloch (25) einer jeweiligen Zentrierlasche (24) eingerichtet ist, oder, umgekehrt, die Aufnahmematratze an jeder ihrer vier Ecken ein Knopfloch umfasst, das für das Zusammenwirken mit einem Knopf einer jeweiligen Zentrierlasche eingerichtet ist.
  9. Die Wollmatratzeneinheit nach Anspruch 1, wobei die Hülle (22) der Grundmatratze (20), wenigstens auf ihrer Fläche (23) in Kontakt mit der Aufnahmematratze (10), ein rutschhemmendes Material enthält.
  10. Ein Verfahren zur Herstellung einer Wollmatratzeneinheit nach einem der Ansprüche 1 bis 9, umfassend die folgenden Schritte:
    - Erhalten (A), durch Ausschneiden aus einer Wollvliesrolle, einer Mehrzahl von Teilen (11a... 11d), deren Abmessungen in der Länge und Breite der Länge und der Breite der zu realisierenden Aufnahmematratze (10) entsprechen;
    - Übereinanderlegen der Mehrzahl von Teilen (11a... 11d) aus Wollvlies, so dass ein Stapel (11) gebildet wird, dessen Abmessung in der Dicke, gegebenenfalls nach dem Polstern, der Dicke der zu realisierenden Aufnahmematratze (10) entspricht;
    - Anordnen (C, D) des Stapels (11) in einer ersten Hülle (12), um die Aufnahmematratze (10) zu erhalten;
    - etwaiges Polstern (E), durch Einnähen von Polsterungen (14) zwischen gegenüberliegenden Flächen der erhaltenen Aufnahmematratze (10);
    - Erhalten eines Schaumstoffblocks (21), dessen Abmessungen in der Länge, Breite und Dicke den jeweiligen Abmessungen der zu realisierenden Grundmatratze (20) entsprechen; und
    - Anordnen (C', D') des Schaumstoffblocks (21) in einer zweiten Hülle (22), um die Grundmatratze (20) zu erhalten.
  11. Das Verfahren nach Anspruch 10, ferner umfassend einen abschließenden Schritt des:
    - Aufrollens (F) der Aufnahmematratze (10) und Verpacken der erhaltenen Rolle, zum Versenden (G) ;
    und ferner, gegebenenfalls des:
    - Aufrollens (F) der Grundmatratze (20), getrennt von der Aufnahmematratze (10), und Verpacken der erhaltenen Rolle, zum Versenden (G).
  12. Ein Verfahren zur Erneuerung einer Wollmatratzeneinheit nach einem der Ansprüche 1 bis 9, umfassend die folgenden Schritte:
    - Öffnen der ersten Hülle (12), welche die Ausfütterung (11) der Aufnahmematratze (10) einschließt, gegebenenfalls nach Herausnehmen der Polsterungen (14) zum Polstern;
    - Herausnehmen der Mehrzahl von Wollvliesen (11a... 11e) des Stapels (11);
    - erneutes Streichwollkrempeln der Wolle der Mehrzahl von Wollvliesen (11a... 11e) des Stapels (11);
    - erneutes Bilden des Stapels (11) aus Wollvliesen; und
    - erneutes Anordnen des Stapels (11) aus Wollvliesen in der ersten Hülle (12) der Aufnahmematratze (10); und gegebenenfalls
    - erneutes Polstern der Aufnahmematraze (10).
EP20315400.0A 2020-09-01 2020-09-01 Wollmatratzeneneinheit, ihre herstellungs- und erneuerungsverfahren Active EP3960037B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP20315400.0A EP3960037B1 (de) 2020-09-01 2020-09-01 Wollmatratzeneneinheit, ihre herstellungs- und erneuerungsverfahren
IL283111A IL283111B2 (en) 2020-09-01 2021-05-11 Wool mattress set and methods for making and renewing it
US17/321,440 US20220061543A1 (en) 2020-09-01 2021-05-15 Wool mattress set and its making and renovation methods
KR1020210064318A KR20220029330A (ko) 2020-09-01 2021-05-18 울 매트리스 세트 그리고 그 제조 및 개조 방법
CN202110610141.5A CN114098353A (zh) 2020-09-01 2021-06-01 羊毛床垫组及其制作和翻新方法
JP2021107682A JP2022041887A (ja) 2020-09-01 2021-06-29 羊毛敷布団セット並びにその製造方法及び修理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20315400.0A EP3960037B1 (de) 2020-09-01 2020-09-01 Wollmatratzeneneinheit, ihre herstellungs- und erneuerungsverfahren

Publications (2)

Publication Number Publication Date
EP3960037A1 EP3960037A1 (de) 2022-03-02
EP3960037B1 true EP3960037B1 (de) 2022-07-27

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US (1) US20220061543A1 (de)
EP (1) EP3960037B1 (de)
JP (1) JP2022041887A (de)
KR (1) KR20220029330A (de)
CN (1) CN114098353A (de)
IL (1) IL283111B2 (de)

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US20250261768A1 (en) * 2024-02-21 2025-08-21 Brooklyn Bedding LLC Mattress and associated methods
EP4659630A1 (de) 2024-06-07 2025-12-10 Tediber Kit zur erneuerung einer gebrauchten matratze und verfahren zur durchführung dieses kits

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JP2022041887A (ja) 2022-03-11
CN114098353A (zh) 2022-03-01
US20220061543A1 (en) 2022-03-03
IL283111B2 (en) 2023-07-01
EP3960037A1 (de) 2022-03-02
IL283111A (en) 2022-03-01
IL283111B1 (en) 2023-03-01

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