EP0026156B1 - Schaumstoffkörper für eine Matratze - Google Patents

Schaumstoffkörper für eine Matratze Download PDF

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Publication number
EP0026156B1
EP0026156B1 EP80810271A EP80810271A EP0026156B1 EP 0026156 B1 EP0026156 B1 EP 0026156B1 EP 80810271 A EP80810271 A EP 80810271A EP 80810271 A EP80810271 A EP 80810271A EP 0026156 B1 EP0026156 B1 EP 0026156B1
Authority
EP
European Patent Office
Prior art keywords
foam material
material body
channels
named
body 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.)
Expired
Application number
EP80810271A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0026156A2 (de
EP0026156A3 (en
Inventor
Hansruedi Fanti
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.)
Recticel Automobilsysteme GmbH
Original Assignee
Matra AG
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 Matra AG filed Critical Matra AG
Priority to AT80810271T priority Critical patent/ATE12068T1/de
Publication of EP0026156A2 publication Critical patent/EP0026156A2/de
Publication of EP0026156A3 publication Critical patent/EP0026156A3/de
Application granted granted Critical
Publication of EP0026156B1 publication Critical patent/EP0026156B1/de
Expired 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
    • 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
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • 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
    • A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion

Definitions

  • the invention relates to a foam body according to the preamble of claim 1.
  • bottom mattress and “top mattress” are often used.
  • the bottom mattress is formed by the slatted frame Understanding top mattress.
  • foam bodies for mattresses are known from US Pat. No. 3,885,257.
  • the foam bodies are provided with intersecting cuts on both contact surfaces, the latter being opposed in pairs.
  • the incisions in cross section have a thin starting section opening into a support surface of the foam body, to which a widening adjoins.
  • the cross-sectional shape of the widenings is, for example, approximately egg-shaped or rectangular, the cross-sectional dimensions of the widenings measured at right angles to the contact surfaces being at least approximately the same size as the cross-sectional dimensions of the widenings measured parallel to the contact surfaces.
  • the webs which run along the middle surface located in the middle between the two contact surfaces of the foam body, between the incisions facing each other in pairs, are bounded either by concave surfaces or by parallel, flat surfaces. These designs of the webs stand in the way of good flexibility of the foam body.
  • a foam body for a mattress which is provided with intersecting incisions in its one support surface. In cross-section, these have a narrow starting section opening into the bearing surface, which is followed by a triangular widening. Since the widest points of the latter are located approximately in the area of the middle surface of the foam body running in the middle between the two contact surfaces of the foam body, which forms the neutral fiber during bends, and since there are no incisions at all in one of the two contact surfaces , the incisions contribute relatively little to improve the flexibility of the foam body. The fact that only one of the two contact surfaces has incisions also has the disadvantage that the deformability of the foam body depends on which side of the mattress is at the top.
  • Another known mattress has a foam body, the upper and lower bearing surface are provided with incisions.
  • the incisions on the upper side are each between two adjacent incisions on the underside and vice versa.
  • the incisions have a narrow mouth section at right angles to the surface of the upper or lower surface, which is then followed by an extension at a certain depth. The latter is located approximately in the area of the middle surface between the lower and upper contact surface of the foam body.
  • the invention has now set itself the task of creating a foam body for a mattress, which, starting from its horizontal position, is easily bendable along a vertical plane running in its longitudinal direction and yet is not excessively compressed at individual points when its bearing surfaces are loaded.
  • it should be a foam body for a mattress with one compared to the known ones Mattresses increased flexibility are created, which also has an improved adaptability to the contours of the body of a person lying on it compared to the mattresses currently on the market.
  • a foam body In the case of an expedient embodiment of a foam body, it has three layers, namely a middle layer formed by the core and two outer layers welded to the core. In the case of simple and particularly inexpensive mattresses, however, the foam body consists exclusively of the core, which is provided with incisions on its upper and lower contact surface.
  • a piece of lounge furniture is visible.
  • This has a frame 1, a frame 3 and 5 feet.
  • two slatted frames 7 and 9 are mounted so as to be pivotable about horizontal pivot axes 11, 13 extending transversely to the longitudinal direction of the frame 1.
  • the two slatted frames 7, 9 can be fixed in different pivot positions by means of adjustable supports (not shown).
  • the two slatted frames are each provided with a plurality of resilient cross slats running parallel and next to one another at equal intervals and transversely to the longitudinal direction of the frame 1.
  • Two of the crossbars of the slatted frame 9 can be seen in FIG. 2 and are designated by 15.
  • the two slatted frames have a mattress 17.
  • the structure of this mattress 17 can be seen particularly clearly in FIG. 2 and will now be explained in more detail.
  • the mattress has a covering 19, which is made of a fabric and in which there is a foam body designated as a whole by 21.
  • the latter consists of three planar layers which run horizontally in the normal position, namely two outer layers 23 located on the outside and a core 25 arranged between them. The latter is glued to the two outer layers 23 with their bearing surfaces lying on one another or welded.
  • the core 25 consists of polyurethane or polyether.
  • the two outer layers 23 are formed from a softer foam than the core 25, for example from a latex foam. Otherwise, the two outer layers 23 are formed by plates which, apart from the pores of the foam, do not have to have any openings, channels, incisions and the like.
  • the core 25 is also essentially formed by a plate and is delimited at the top and bottom by two contact surfaces 25a. If the foam body lies horizontally without deformation, the two contact surfaces 25a run parallel to one another and are flat. The symmetry center surface 31 present in the middle between the two bearing surfaces 25a then likewise forms a horizontal plane.
  • the core 25 is provided with straight and parallel, equidistant cuts 27 on its two contact surfaces 25a. The incisions 27 run transversely to the longitudinal direction of the foam body, the longitudinal direction in the case of a mattress for a double bed being the general lying direction. The incisions 27 cut from the upper and lower bearing surfaces 25a are, in the undeformed state, symmetrical in pairs with respect to the central surface 31.
  • each incision 27 in the undeformed state is symmetrical with respect to a plane of symmetry 33 which extends at right angles to the central surface 31 in the longitudinal direction of the incisions 27.
  • Each incision 27 has an initial section 27a which opens into one of the two bearing surfaces 25a.
  • the incision 27 is branched into two partial incisions 27b at the end of the starting section 27a facing the inside of the core 25. These have a constriction 27c in their parts adjoining the starting section 27a and then merge into an approximately pear-shaped extension 27d towards their ends facing away from the starting section 27a.
  • the partial incisions 27b are delimited on their inside, ie closer to the central surface 31, by a boundary surface 25d of the core. These boundary surfaces 25d are curved and inclined away from the incision start section 27a towards the extensions 27d towards the central surface 31, so that they approach the central surfaces 31 as far as the deepest point of the extensions 27d.
  • the boundary surfaces 25e delimiting the lips 25b on the inner side, ie facing the central surface 31, are also curved away from the free lip ends 25c towards the free lip roots in such a way that they approximate the central surface 31 hern.
  • the lip thickness measured at right angles to the contact surfaces 25a thus increases steadily towards the lip roots.
  • the incisions are made during manufacture by means of a cutting tool.
  • the cutting width is made as small as possible.
  • the distance between the lips 25b and the surface 25d then becomes relatively small, namely preferably less than about 1 or 2 mm.
  • the lips 25b then lie in the vicinity of their free ends, at least when the mattress is slightly loaded in their area by a person lying down, against the section 25f of the boundary surface 25d.
  • the surface section 25f, on which the lip 25b rests at least under load, is inclined at an angle relative to the bearing surface 25a, which is denoted by a.
  • the angle a which varies somewhat along the surface section 25f, is nowhere more than 45 °, and preferably at most 30 °.
  • the distance of the deepest point of an incision opening into the relevant contact surface from a contact surface 25a perpendicular to it is smaller than half the total height of the core 25 measured in the same direction and is, for example, approximately 30 to 40% of the total height mentioned .
  • the incisions nowhere reach the middle surface 31.
  • the four partial incisions 27b of two incisions 27 which are symmetrical to one another with respect to the central surface 31 together delimit a web 25 g which is formed from foam of the core 25.
  • the web 25 g is connected to the material of the rest of the core 25.
  • the boundary surfaces 25d delimiting the web 25g run at least in the case of their sections located in the vicinity of the plane of symmetry 33 in an approximately circular arc around the axis, which is formed by the line of intersection of the central surface 31 with the plane of symmetry 33.
  • adjacent crossbars 15 have the same distances as adjacent pairs of incisions.
  • the mattress 17 can therefore be arranged on the slatted frames 7 and 9 in such a way that a pair of incisions 27 is located above a crossbar 15.
  • the mattress 17 can be bent or angled starting from its horizontal, flat normal position, for example by inclining the slatted frame 7, as can be seen in FIG. 1, along a vertical plane running in its longitudinal direction.
  • the fiber which is neutral with respect to this bend then lies at least approximately in the central surface 31.
  • the lips 25b located on the upper side of the core 25 and belonging to the same incision 27 are pushed towards one another, while the lips on the lower side of the core be pulled away from each other.
  • the outer layers 23, which, as already mentioned, consist of a softer, more extensible foam than the core, are compressed at the bending point on the upper side of the foam body 21 and stretched on the lower side of the foam body.
  • the foam body 21 is thus very easily bendable along a plane that is perpendicular to the longitudinal directions of the incisions 27. Since the lips 25b rest in the vicinity of their free ends 25c on the sections 25f of the boundary surfaces 25d, the compressive strength of the foam body 21 is nevertheless also in the region of the incisions 27 with respect to a pressure exerted at right angles to the bearing surfaces 25a compared to the other regions only slightly reduced.
  • the incisions 27 and 32 in the finished foam body 21, in which the core 25 is firmly connected to the two outer layers 23, are closed by the latter and therefore no longer in the actual sense of the incisions in the finished foam body, but rather form channels that are closed on all sides in cross section. Accordingly, the support surfaces 25a of the core in the finished foam body 21 form inner surfaces of the latter, which delimit the core containing the channels, whereas the actual support surfaces of the foam body as a whole are then formed by the outer surfaces of the outer layers 23 facing away from one another.
  • lips are no longer in the proper sense, there are connected sections of the foam body. In other words, when looking at the finished foam body, lips are only present if one thinks away the outer layers 23 again.
  • the mattress can be modified in different ways. For example, it would be possible for less expensive designs to omit the outer layers 23, so that the foam body would then consist exclusively of the core 25.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Laminated Bodies (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
EP80810271A 1979-09-20 1980-09-02 Schaumstoffkörper für eine Matratze Expired EP0026156B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80810271T ATE12068T1 (de) 1979-09-20 1980-09-02 Schaumstoffkoerper fuer eine matratze.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH8481/79 1979-09-20
CH848179A CH640124A5 (de) 1979-09-20 1979-09-20 Schaumstoffkoerper fuer eine matratze und liegemoebel mit einer matratze.

Publications (3)

Publication Number Publication Date
EP0026156A2 EP0026156A2 (de) 1981-04-01
EP0026156A3 EP0026156A3 (en) 1981-06-10
EP0026156B1 true EP0026156B1 (de) 1985-03-13

Family

ID=4341025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80810271A Expired EP0026156B1 (de) 1979-09-20 1980-09-02 Schaumstoffkörper für eine Matratze

Country Status (11)

Country Link
US (2) US4397053A (enrdf_load_stackoverflow)
EP (1) EP0026156B1 (enrdf_load_stackoverflow)
JP (1) JPS5652013A (enrdf_load_stackoverflow)
AT (1) ATE12068T1 (enrdf_load_stackoverflow)
AU (1) AU543005B2 (enrdf_load_stackoverflow)
CH (1) CH640124A5 (enrdf_load_stackoverflow)
DE (1) DE2942426C2 (enrdf_load_stackoverflow)
DK (1) DK154604C (enrdf_load_stackoverflow)
ES (1) ES252948Y (enrdf_load_stackoverflow)
FI (1) FI69557C (enrdf_load_stackoverflow)
NO (1) NO156436C (enrdf_load_stackoverflow)

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US4589151A (en) * 1983-07-08 1986-05-20 Behrens Robert S Slatted bed system
DE3424942C2 (de) * 1984-07-06 1993-12-16 Diamona Hermann Koch Kg Fabrik Matratze
US4726087A (en) * 1986-08-22 1988-02-23 Span-America Medical Systems, Inc. Contoured-head and neck foam pillow
US4832007A (en) * 1988-04-12 1989-05-23 Span-America Medical Systems, Inc. Traction pillow and method
FR2670103A1 (fr) * 1990-12-11 1992-06-12 Renault Creations Andre Matelas composite.
US5083335A (en) * 1991-03-11 1992-01-28 Krouskop Thomas A Pressure reduction foam mattress support
DE4301362C2 (de) * 1993-01-20 1995-03-23 Koepp Ag Matratze mit einem Kern aus Polyurethanweichschaum
WO1995007679A2 (en) * 1993-09-13 1995-03-23 Woodbridge Foam Corporation Pressure relief foam mattress
US5533218A (en) * 1994-07-15 1996-07-09 Fahy; Arthur J. Cushioning devices
DE9419381U1 (de) * 1994-12-06 1995-01-19 Hemafa GmbH Matratzenfabrik, 57562 Herdorf Matratze
US5815865A (en) * 1995-11-30 1998-10-06 Sleep Options, Inc. Mattress structure
US6115861A (en) * 1997-10-09 2000-09-12 Patmark Company, Inc. Mattress structure
US6233766B1 (en) 1997-01-21 2001-05-22 öHMAN GERTH Foldable carrier
IT1295564B1 (it) * 1997-06-05 1999-05-13 Luciana Morson Materasso anatomico in materiale elastico
USD426739S (en) * 1999-03-12 2000-06-20 Federal Foam Technologies, Inc. Futon mattress
JP4185217B2 (ja) 1999-05-25 2008-11-26 株式会社日本触媒 複合酸化物触媒、並びに（メタ）アクロレインおよび（メタ）アクリル酸の製造方法
EP2343123B1 (en) 2001-11-08 2021-01-06 Mitsubishi Chemical Corporation METHOD FOR PREPARATION of a COMPOSITE OXIDE CATALYST
US7469437B2 (en) 2005-06-24 2008-12-30 Tempur-Pedic Management, Inc. Reticulated material body support and method
CA2613706C (en) * 2005-07-01 2016-04-26 Latexco Nv Latex based composite foams
WO2007128113A1 (en) * 2006-05-05 2007-11-15 Matelas Rene Inc. Cushioning structures for body parts
WO2010151774A1 (en) 2009-06-25 2010-12-29 Nomaco Inc. Self-adjusting insulation, including insulation particulary suited for pipe or duct
US20110035879A1 (en) * 2009-08-11 2011-02-17 MerchSource, LLC Convection cooled mattress
US20110072587A1 (en) * 2009-09-29 2011-03-31 Nomaco Inc. Foam cushion having reduced cross-section area foam profiles forming hollow portion(s) for deformation
MX2012007869A (es) * 2010-02-12 2012-08-03 Noel Group Llc Estructuras de amortiguamiento compuestos con propiedades de amortiguamiento espacialmente variable y materiales relacionados, ensambles de amortiguamiento y metodos para producir las mismas.
USD694553S1 (en) 2010-03-03 2013-12-03 Noel Group Llc Mattress bed cushion
USD693145S1 (en) 2010-03-03 2013-11-12 Noel Group Llc Mattress bed cushion
USD693144S1 (en) 2010-03-03 2013-11-12 Noel Group Llc Mattress bed cushion
USD688492S1 (en) 2010-03-03 2013-08-27 Noel Group Llc Mattress bed cushion
USD693148S1 (en) 2010-03-03 2013-11-12 Noel Group Llc Mattress bed cushion
USD653895S1 (en) 2010-04-16 2012-02-14 Dan-Foam Aps Body support
USD661153S1 (en) 2010-04-16 2012-06-05 Dan-Foam Aps Body support
CA2834617A1 (en) 2011-04-29 2012-12-27 Nomaco Inc. Unitary composite/hybrid cushioning structures(s) and profile(s) comprised of a thermoplastic foam(s) and a thermoset material(s) and related methods
WO2013049570A1 (en) 2011-09-30 2013-04-04 Nomaco Inc. Cellular mattress assemblies and related methods
USD691400S1 (en) 2012-02-10 2013-10-15 Nomaco Inc. Stackable base for mattress assembly
USD693149S1 (en) 2012-04-27 2013-11-12 Noel Group Llc Mattress bed cushion
USD692693S1 (en) 2012-04-27 2013-11-05 Noel Group Llc Mattress bed cushion
USD693146S1 (en) 2012-04-27 2013-11-12 Noel Group Llc Mattress bed cushion
USD694552S1 (en) 2012-04-27 2013-12-03 Noel Group Llc Mattress bed cushion
USD693147S1 (en) 2012-04-27 2013-11-12 Noel Group Llc Mattress bed cushion
BR112014028000A2 (pt) 2012-05-11 2017-06-27 Nomaco Inc sistemas de isolamento empregando acessórios de expansão para isolar recipientes alongados sujeitos a flutuações extremas de temperatura, e componentes e métodos relacionados
USD697337S1 (en) 2012-07-03 2014-01-14 Nomaco, Inc. Stackable base for mattress assembly
USD690536S1 (en) 2012-07-26 2013-10-01 Nomaco Inc. Motion isolation insulator pad
USD694041S1 (en) 2012-09-28 2013-11-26 Noel Group Llc Mattress bed cushion
USD692694S1 (en) 2012-09-28 2013-11-05 Noel Group Llc Mattress bed cushion
USD688069S1 (en) 2012-09-28 2013-08-20 Noel Group Llc Mattress bed cushion
USD709301S1 (en) 2012-11-09 2014-07-22 Noel Group Llc Mattress bed cushion
USD701713S1 (en) 2012-11-09 2014-04-01 Noel Group, Llc Mattress bed cushion
USD707468S1 (en) 2012-11-09 2014-06-24 Noel Group Llc Mattress bed cushion
USD707467S1 (en) 2012-11-09 2014-06-24 Noel Group Llc Mattress bed cushion
US10045633B2 (en) 2013-04-26 2018-08-14 Noel Group Llc Cushioning assemblies with thermoplastic elements encapsulated in thermoset providing customizable support and airflow, and related methods
USD704962S1 (en) 2013-09-09 2014-05-20 Noel Group Llc Mattress bed cushion
EP3065598B1 (en) * 2013-11-05 2017-08-16 Dóczi, András Péter Mattress insert
DE102014209846A1 (de) * 2013-12-20 2015-06-25 Johnson Controls Gmbh Schaumteil für eine Fahrzeugsitz und Fahrzeugsitz
KR102262525B1 (ko) * 2020-01-13 2021-06-08 박보연 삼차원 탄성구조를 갖는 매트리스

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CH571845A5 (en) * 1973-11-28 1976-01-30 Riposa Ag Ventilated mattress of polyether foam - has grooves of triangular cross-section in upper surface
DE2856758A1 (de) * 1978-12-29 1980-07-10 Metzeler Schaum Gmbh Schaumstoffmatratze

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Publication number Priority date Publication date Assignee Title
CH571845A5 (en) * 1973-11-28 1976-01-30 Riposa Ag Ventilated mattress of polyether foam - has grooves of triangular cross-section in upper surface
DE2856758A1 (de) * 1978-12-29 1980-07-10 Metzeler Schaum Gmbh Schaumstoffmatratze

Also Published As

Publication number Publication date
AU543005B2 (en) 1985-03-28
ES252948U (es) 1980-12-01
EP0026156A2 (de) 1981-04-01
ATE12068T1 (de) 1985-03-15
ES252948Y (es) 1981-05-16
FI69557C (fi) 1986-03-10
DK154604B (da) 1988-12-05
US4524473A (en) 1985-06-25
FI69557B (fi) 1985-11-29
NO802789L (no) 1981-03-23
NO156436C (no) 1987-09-23
JPS5652013A (en) 1981-05-09
JPS6238971B2 (enrdf_load_stackoverflow) 1987-08-20
AU6231480A (en) 1981-03-26
DE2942426A1 (de) 1981-03-26
DK392480A (da) 1981-03-21
CH640124A5 (de) 1983-12-30
DE2942426C2 (de) 1982-03-04
FI802968A7 (fi) 1981-03-21
DK154604C (da) 1989-05-08
US4397053A (en) 1983-08-09
NO156436B (no) 1987-06-15
EP0026156A3 (en) 1981-06-10

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