EP0026156A2 - Corps en matière mousse pour matelas - Google Patents

Corps en matière mousse pour matelas Download PDF

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Publication number
EP0026156A2
EP0026156A2 EP80810271A EP80810271A EP0026156A2 EP 0026156 A2 EP0026156 A2 EP 0026156A2 EP 80810271 A EP80810271 A EP 80810271A EP 80810271 A EP80810271 A EP 80810271A EP 0026156 A2 EP0026156 A2 EP 0026156A2
Authority
EP
European Patent Office
Prior art keywords
incisions
foam body
section
mattress
incision
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP80810271A
Other languages
German (de)
English (en)
Other versions
EP0026156B1 (fr
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/fr
Publication of EP0026156A3 publication Critical patent/EP0026156A3/de
Application granted granted Critical
Publication of EP0026156B1 publication Critical patent/EP0026156B1/fr
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 in technical language.
  • Luschlicouch the bottom mattress is formed by the slatted frames.
  • the mattress mentioned in the claims and in the following description is then to be understood as the top mattress.
  • a mattress with a foam body which has a series of passages running transversely to the longitudinal direction of the mattress. These passages are approximately lenticular in cross-section, their largest cross-sectional dimension being in the horizontal central surface of the mattress, running in the longitudinal direction of the mattress and being greater than the entire height of the foam body. The maximum height of the passages is approximately two thirds of the total height of the foam body. With this previously known sole foam body, the centers of the passages and also lie their largest cross-sectional dimension in the middle surface of the foam body. If the mattress is now bent along a vertical plane running in its longitudinal direction, the fiber of the foam body, which is neutral with respect to this bend, lies in the central area mentioned.
  • the passages are therefore in the area of the neutral fiber and in its vicinity. In contrast, there are no gaps in the upper and lower contact surfaces of the foam body, where the greatest strains and compression occur during bending.
  • the passages therefore now increase the flexibility relatively little. In order for the bendability to be improved a little at all, the passages must have the relatively large cross-sectional dimensions already mentioned. However, passageways with such large cross-sectional dimensions have the disadvantage that the foam body tends to assume a wavy shape on the loaded upper side when loaded.
  • 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, to which an extension then attaches 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.
  • Another known mattress has a three-layer foam body.
  • the two outer layers are formed by compact plates without any passages or cuts.
  • the core forming the middle layer is provided with channels in the form of incisions on its upper and lower contact surface.
  • the tucks which run transversely to the longitudinal direction of the mattress, have the shape of an isosceles triangle in profile, the base line of which is straight and in which a support surface of the core lies and whose legs form concave arches.
  • the incisions in their sections abutting the outer layers therefore have a relatively large width, measured in the longitudinal direction of the mattress. Since the core now consists of a harder foam than the two outer layers, this foam body tends to be strongly compressed in the area of the incisions when a person lying down is loaded, which is a considerable disadvantage.
  • 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.
  • a foam body for a mattress should be created with increased flexibility compared to the known mattresses, 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 support 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 various swivel 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 running 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 or welded to the two outer layers 23 with their contact surfaces lying on one another.
  • the foam body 21 is made 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, with the longitudinal direction in a mattress for a ä Double bed means 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. At the end of the starting section 27a facing the inside of the core 25, the incision 27 is branched into two partial incisions 27b. 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 of the incision type Catch section 27a curved toward the extensions 27d toward the central surface 31 and inclined 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 approach the central surface 31.
  • the lip thickness measured at right angles to the bearing 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 its 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, measured from a contact surface 25a perpendicular to it, is smaller than half, measured in the same direction total height of the core 25 and is, for example, about 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 with respect to one another with respect to the central surface 31 together delimit a web 25g which is formed from foam of the core 25.
  • the web 25g 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 become mutually towards one another while the lips on the lower side of the core are pulled apart.
  • the web 25g located at the bending point, the upper and lower boundary surfaces 25d of which are approximately in the form of a circular arc, thus forms a type of hinge pin around which the lips 27b can slide.
  • the outer sole 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 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)
  • Absorbent Articles And Supports Therefor (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
EP80810271A 1979-09-20 1980-09-02 Corps en matière mousse pour matelas Expired EP0026156B1 (fr)

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 true EP0026156A2 (fr) 1981-04-01
EP0026156A3 EP0026156A3 (en) 1981-06-10
EP0026156B1 EP0026156B1 (fr) 1985-03-13

Family

ID=4341025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80810271A Expired EP0026156B1 (fr) 1979-09-20 1980-09-02 Corps en matière mousse pour matelas

Country Status (11)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670103A1 (fr) * 1990-12-11 1992-06-12 Renault Creations Andre Matelas composite.
WO1995007679A3 (fr) * 1993-09-13 1995-06-08 Woodbridge Foam Corp Matelas de mousse exerçant une pression reduite sur le corps
DE4444447A1 (de) * 1994-12-06 1996-06-13 Hemafa Matratzenfab Gmbh Matratze

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US4351773A (en) * 1980-12-31 1982-09-28 The Standard Oil Company Preparation of maleic anhydride from butane using fluidized vanadium-phosphorous-oxide containing catalysts
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
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
US5533218A (en) * 1994-07-15 1996-07-09 Fahy; Arthur J. Cushioning devices
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 (fr) 2001-11-08 2021-01-06 Mitsubishi Chemical Corporation Procédé de fabrication d'un catalyseur d'oxyde mixte
US7469437B2 (en) * 2005-06-24 2008-12-30 Tempur-Pedic Management, Inc. Reticulated material body support and method
WO2007003348A1 (fr) * 2005-07-01 2007-01-11 Latexco Nv Mousses composites à base de latex
CA2651065C (fr) 2006-05-05 2016-07-12 Matelas Rene Inc. Structures matelassees pour parties du corps
WO2010151774A1 (fr) 2009-06-25 2010-12-29 Nomaco Inc. Isolant auto-ajustant, notamment isolant convenant particulièrement à une canalisation ou conduite
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
US20110197363A1 (en) * 2010-02-12 2011-08-18 Noel Group Llc Composite cushioning structure(s) with spatially variable cushioning properties and related materials, cushioning assemblies, and methods for producing same
USD694553S1 (en) 2010-03-03 2013-12-03 Noel Group Llc Mattress bed cushion
USD693144S1 (en) 2010-03-03 2013-11-12 Noel Group Llc Mattress bed cushion
USD693148S1 (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
USD693145S1 (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
MX2013012272A (es) 2011-04-29 2014-02-17 Nomaco Inc Estructuras de amortiguamiento compuestas/hibridas unitarias y perfiles comprendidos de espumas termoplasticas y materiales termoestables y metodos relacionados.
WO2013049570A1 (fr) 2011-09-30 2013-04-04 Nomaco Inc. Ensembles matelas alvéolaires et procédés associés
USD691400S1 (en) 2012-02-10 2013-10-15 Nomaco Inc. Stackable base for mattress assembly
USD693147S1 (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
USD694552S1 (en) 2012-04-27 2013-12-03 Noel Group Llc Mattress bed cushion
USD693146S1 (en) 2012-04-27 2013-11-12 Noel Group Llc Mattress bed cushion
USD693149S1 (en) 2012-04-27 2013-11-12 Noel Group Llc Mattress bed cushion
EP2847508A4 (fr) 2012-05-11 2016-01-20 Nomaco Inc Systèmes d'isolation faisant appel à des caractéristiques d'expansion pour isoler des contenants allongés soumis à des fluctuations de température extrêmes, et composants et procédés connexes
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
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
USD701713S1 (en) 2012-11-09 2014-04-01 Noel Group, Llc Mattress bed cushion
USD709301S1 (en) 2012-11-09 2014-07-22 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
HUE034947T2 (en) * 2013-11-05 2018-03-28 Andras Peter Doczi Inside mattress
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
CN221671319U (zh) * 2023-11-17 2024-09-10 浙江大自然户外用品股份有限公司 一种厚度可变换的弹性绵及充气垫结构

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DE1727445U (de) * 1956-03-14 1956-08-02 Wilhelm Dr Scheermesser Profilierte platte aus schaumstoff.
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US3885257A (en) * 1972-10-30 1975-05-27 Evans Ronald J P Pressure controlled resilient supporting structure
CH571845A5 (en) * 1973-11-28 1976-01-30 Riposa Ag Ventilated mattress of polyether foam - has grooves of triangular cross-section in upper surface
BE839852A (nl) 1976-03-22 1976-07-16 Schuimstofelementen met in-en/of uitwendige kanalen voor verbeterde klimatisatie, door het afvoeren van lucht en luchtvochtigheid
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CH619852A5 (fr) * 1977-09-27 1980-10-31 Marpal Ag
DE7838829U1 (de) * 1978-12-29 1980-02-28 Metzeler Schaum Gmbh, 8940 Memmingen Schaumstoffmatratze

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670103A1 (fr) * 1990-12-11 1992-06-12 Renault Creations Andre Matelas composite.
WO1995007679A3 (fr) * 1993-09-13 1995-06-08 Woodbridge Foam Corp Matelas de mousse exerçant une pression reduite sur le corps
DE4444447A1 (de) * 1994-12-06 1996-06-13 Hemafa Matratzenfab Gmbh Matratze
DE4444447C2 (de) * 1994-12-06 1999-01-07 Hemafa Matratzenfab Gmbh Matratze

Also Published As

Publication number Publication date
NO802789L (no) 1981-03-23
ES252948Y (es) 1981-05-16
AU6231480A (en) 1981-03-26
DK154604C (da) 1989-05-08
JPS5652013A (en) 1981-05-09
CH640124A5 (de) 1983-12-30
DK392480A (da) 1981-03-21
EP0026156B1 (fr) 1985-03-13
ATE12068T1 (de) 1985-03-15
US4524473A (en) 1985-06-25
US4397053A (en) 1983-08-09
NO156436C (no) 1987-09-23
NO156436B (no) 1987-06-15
DE2942426A1 (de) 1981-03-26
DK154604B (da) 1988-12-05
ES252948U (es) 1980-12-01
EP0026156A3 (en) 1981-06-10
FI69557B (fi) 1985-11-29
AU543005B2 (en) 1985-03-28
FI69557C (fi) 1986-03-10
FI802968A7 (fi) 1981-03-21
JPS6238971B2 (fr) 1987-08-20
DE2942426C2 (de) 1982-03-04

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