EP3643207A1 - Hybridmatratze - Google Patents

Hybridmatratze Download PDF

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Publication number
EP3643207A1
EP3643207A1 EP18202930.6A EP18202930A EP3643207A1 EP 3643207 A1 EP3643207 A1 EP 3643207A1 EP 18202930 A EP18202930 A EP 18202930A EP 3643207 A1 EP3643207 A1 EP 3643207A1
Authority
EP
European Patent Office
Prior art keywords
foam
mattress
foam panel
panel
panels
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.)
Withdrawn
Application number
EP18202930.6A
Other languages
English (en)
French (fr)
Inventor
Alexander Bolliou
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.)
Latexco NV
Original Assignee
Latexco NV
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 Latexco NV filed Critical Latexco NV
Priority to EP18202930.6A priority Critical patent/EP3643207A1/de
Priority to EP19790024.4A priority patent/EP3870001A1/de
Priority to CA3130482A priority patent/CA3130482A1/en
Priority to US17/287,964 priority patent/US20210337981A1/en
Priority to PCT/EP2019/079244 priority patent/WO2020084136A1/en
Priority to CN201980070335.1A priority patent/CN113260284A/zh
Publication of EP3643207A1 publication Critical patent/EP3643207A1/de
Withdrawn legal-status Critical Current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
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/05—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays with padding material, e.g. foamed material, in top, bottom, or side layers
    • A47C27/053—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays with padding material, e.g. foamed material, in top, bottom, or side layers with only one layer of foamed material
    • 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
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/063—Spring inlays wrapped or otherwise protected
    • A47C27/064—Pocketed springs
    • 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
    • A47C27/20—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material

Definitions

  • the present invention generally relates to a mattress for providing comfort to the user. More particularly, the present invention relates to a hybrid mattress with a plurality of coiled springs enclosed between foams.
  • the attempts made to manufacture comfortable mattresses are complex and labor intensive such as, manufacturing a sole piece of latex foam with springs either glued to the surface of the foam or stuck with a holding material. These methods incur more time and labor in making, which eventually increases the manufacturing cost of the mattresses. Additionally, glue provides an undesired stiffness to the mattress and can reduce the mattress life, as the adhesiveness of the glue tends to fade away with time. Furthermore, there are present methods to manufacture hybrid mattresses which involve enclosing springs between the two upper and lower panels of the foam material, and then finally closing the edges with gluing side panels to prepare a final mattress. In such cases, the side panels glued or attached otherwise impart a rough uncomfortable touch feeling to a user/sleeper. In addition to this, the process of additionally attaching the side panels increases the time and cost and is labor intensive.
  • Most of the present methods and products include mattresses which have pocket springs encased inside the mold of the foam, where the individual springs are surrounded by a fabric.
  • the springs are mechanically connected with the foam material, for example, with the help of seaming, clips, metallic spirals, metallic stitches, etc.
  • there exist other methods where the springs are maintained inside the foam by surrounding them with foam and/or fabric. Such methods may be expensive and time taking owing to the complexity of the process.
  • present technologies fail to produce mattresses with simpler manufacturing process, which is not complex and expensive. Hence, there arises a need to provide a mattress which is simpler in manufacturing and provides equal comfort to a user.
  • the present invention meets the above.
  • An aspect of the present invention provides a mattress comprising foam panels, an upper foam panel and a lower foam panel, with integrally side walls; preferably integrally molded side walls and an assembly of a plurality of spring units placed and secured within or on the surface of the lower foam panel; wherein the upper foam panel, when secured above the lower foam panel, covers the assembly of the plurality of spring units and wherein the side walls of the upper and the lower foam panels collectively form edges of the of the mattress.
  • the present invention provides a mattress comprising two foam panels, an upper foam panel and a lower foam panel, both produced out of a foam material in a continuous quadrilateral shape with integrally produced side walls; and an assembly of a plurality of spring units placed and secured on surface of the lower foam panel; wherein the upper foam panel, when secured above the lower foam panel, covers the assembly of the plurality of spring units and resultantly, forms a box-type structure of the mattress; and wherein the side walls of the upper and the lower foam panels collectively form edges of the box-type structure of the mattress when secured together, and provide a tight packed arrangement to the assembly of the plurality of spring units inside the mattress.
  • Another aspect of the present invention provides a method of manufacturing a mattress, comprising two foam panels, preferably molded foam panels, an upper foam panel and a lower foam panel with integrally, preferably molded, side walls; placing and securing an assembly of a plurality of spring units within or on the surface of the lower foam panel; and placing and securing the upper foam panel over the lower foam panel to fully cover the assembly of the plurality of spring units wherein the side walls of the upper and the lower foam panels collectively form edges of the mattress when secured together.
  • Another specific aspect of the present invention provides a method of manufacturing a mattress, comprising molding two foam panels, preferably two identical, either in shape and/or size and/or material, foam panels , an upper foam panel and a lower foam panel, both molded out of a foam material from a mold, in a continuous quadrilateral shape with integrally molded side walls; placing and securing an assembly of a plurality of spring units on surface of the lower foam panel; and placing and securing the upper foam panel over the lower foam panel to fully cover the assembly of the plurality of spring units and form a box-type structure of the mattress; wherein the side walls of the upper and the lower foam panels collectively form edges of the box-type structure of the mattress when secured together, and provide a tight packed arrangement to the assembly of plurality of spring units inside the foam panels.
  • Another aspect of the present invention provides the method of manufacturing including placing each spring unit on the surface of the lower foam panel, such that each spring unit is supported, in their respective position, by the adjacent ones and also supported and tightly packed by the side walls.
  • the present invention is directed to a mattress comprising an upper foam panel and a lower foam panel, said panels having integrally produced side walls; and an assembly of a plurality of spring units placed and secured on or within the lower foam panel; wherein the upper foam panel, when secured above the lower foam panel, covers the assembly of the plurality of spring units and resultantly, forms the mattress.
  • integrally produced or integrally molded is meant that the side walls of the foam panel do form part of the foam panel as a single continuous structure.
  • Produced also includes cutting the foam panel out of a foam block. Examples of cutting processes are disclosed in US5992633 , US3757617 and US8397387 .
  • Preferred producing is the process of molding. Molding processes include those as described in US5397225 , US2643233 , US2809172 , US5804113 , US9085125 and EP1878553 .
  • the present invention is directed to a mattress comprising an upper foam panel and a lower foam panel, said panels molded out of a foam material with integrally molded side walls; and an assembly of a plurality of spring units placed and secured on or within the lower foam panel; wherein the upper foam panel, when secured above the lower foam panel, covers the assembly of the plurality of spring units and resultantly, forms the mattress.
  • the present invention is directed to a mattress comprising an upper foam panel and a lower foam panel, said panels produced out of a foam material in a continuous quadrilateral shape with integrally produced side walls; and an assembly of a plurality of spring units placed and secured on surface of the lower foam panel; wherein the upper foam panel, when secured above the lower foam panel, covers the assembly of the plurality of spring units and resultantly, forms a box-type structure of the mattress; and characterized in that the side walls of the upper and the lower foam panels collectively form edges of the box-type structure of the mattress, and provide a tight packed arrangement to the assembly of plurality of spring units when the upper foam panel is secured over the lower foam panel.
  • the upper and lower foam panels can be identical either in shape and/or size and/or material.
  • the upper and lower foam panels are produced from a number of foam materials such as including and not limited to natural and synthetic latex foam material, polyurethane foam, and other synthetic foam material manufactured by crude oil, and the like including composite foams.
  • foam materials such as including and not limited to natural and synthetic latex foam material, polyurethane foam, and other synthetic foam material manufactured by crude oil, and the like including composite foams.
  • the foam panels are molded into a continuous rectangular, square or any other suitable quadrilateral/geometrical shape.
  • each spring unit further comprises a coiled spring enclosed in a fabric cover and behaves independently of each other to provide resilience to the mattress.
  • the coiled spring may be helical or conical in shape and the spring units can be pocket springs.
  • the spring units are secured to the surface of the lower foam panel using a glue; or metallic stitches; or clips; or any other securing mechanism.
  • the upper foam panel and the lower foam panel are attached with each other, via a number of methods including and not limited to using a glue, metallic stitches, clips, or any other mechanical connections.
  • a method of manufacturing a mattress comprising producing an upper foam panel and a lower foam panel with integrally produced side walls; placing and securing an assembly of a plurality of spring units within the surface of the lower foam panel; and placing and securing the upper foam panel over the lower foam panel to fully cover the assembly of the plurality of spring units.
  • a method of manufacturing a mattress comprising producing two identical foam panels, an upper foam panel and a lower foam panel, both produced out of a foam material from a mold, in a continuous quadrilateral shape with integrally produced side walls; placing and securing an assembly of a plurality of spring units on surface of the lower foam panel; and placing and securing the upper foam panel over the lower foam panel to fully cover the assembly of the plurality of spring units and form a box-type structure of the mattress; characterized in that the side walls of the upper and the lower foam panels collectively form edges of the box-type structure of the mattress, and provide a tight packed arrangement to the assembly of the plurality of spring units, when the upper foam panel is secured over the lower foam panel.
  • the method as described above further comprises placing each spring unit within the surface of the lower foam panel, such that each spring unit is supported, in their respective positions, by the adjacent ones and also supported and tightly packed by the side walls.
  • the foam panels may be molded into a rectangular, square or any other suitable quadrilateral/geometrical shape and wherein the foam is selected from a number of foam materials such as including and not limited to natural and synthetic latex foam material, polyurethane foam, and other synthetic foam material manufactured by crude oil, and the like including composite foams, the foam panels being identical in either shape and/or size and/or material.
  • Said foam panels optionally independently comprising perforations and/or profiles.
  • the present invention discloses a spring mattress for providing tailored comfort to a user/human.
  • the spring mattress as provided in the preferred embodiment of the present invention, is a combination of a spring assembly incorporated within two molded foams.
  • the mattress comprises two half panels of molded foams, an upper molded panel and a lower molded panel, that are attached together to form one single mattress.
  • an assembly of a plurality of springs are tightly packed to provide resilience to the mattress.
  • both the half panels of foam are separately molded as one single continuous structure, along with the edges.
  • the molded edges may be referred to as 'side foam walls'.
  • each of the upper and lower molded panel when joined together form a closed cuboid (box)-type structure, with the side foam walls covering the edges.
  • the mattress does not need additional separate side panels to seal the mattress from the edges.
  • the upper and lower molded panels may also be exchangeably referred to as 'upper and lower cover panel' or 'upper and lower foam panel' or 'upper and lower molded foam' or simply 'upper and lower panel' without deviating from the meaning and scope of the present invention.
  • the upper and lower panels may be molded from a number of materials, such as including and not limited to natural and synthetic latex foam material, polyurethane foam, and other synthetic foam material manufactured by crude oil, and the like including composite foams such as disclosed in US 9085125 (assigned to Latexco) and functionalized foams such as disclosed in EP2613927 (assigned to Latexco).
  • the upper and lower panels are molded from latex foam.
  • the mattress also comprises an assembly of a plurality of springs tightly enclosed and packed within the upper and lower foam panels.
  • each of the spring in the assembly is packed in a fabric case, such that each spring is separated from the other and works independently to provide elasticity to the mattress.
  • the springs Owing to the molded structure of the mattress with the continuous molded side foam walls, the springs can be easily placed within the lower foam panel, where the springs get tightly packed and hence, are restricted to fall or move out of the lower foam panel. Therefore, placing and packing individual spring unit inside the lower foam panel becomes easy and simpler without adopting complex methods of connecting springs with the foam panels to avoid movement of the springs.
  • the springs are coiled pocket springs.
  • the springs may be helical or conical in nature, depending on the requirements of the mattress, without deviating from the meaning and scope of the present invention.
  • FIG. 1 illustrates a perspective view of the mattress 100 showing two molded foam panels 102 and 104, in accordance with an embodiment of the present invention.
  • the mattress 100 comprises of two half foam panels, the upper foam panel 102 and the lower foam panel 104, which when joined together form a box-type structure, shown as the mattress 100.
  • both the half foam panels 102 and 104 are individually molded as one single continuous structure along with the side walls. Therefore, the side walls are the integral molded part of the foam panels 102 and 104.
  • the upper and the lower foam panels 102 and 104 behave as an upper and lower cover, making a box-type mattress 100 with a space enclosed in it by the upper foam panel 102, the lower foam panel 104 and the side edges 106 of the resulting box-type mattress 100. Hence, the mattress 100 does not need separate side panels to close it from the edges.
  • FIG. 2 illustrates a perspective view of the lower foam panel 104 of the mattress 100, in accordance with an embodiment of the present invention.
  • the lower foam panel 104 acts as a lower half of the mattress 100, and is molded out of a foam material, such as latex.
  • the lower foam panel 104 is molded as single continuous structure along with the side walls 200 molded as integral part of the foam panel 104.
  • the upper foam panel 102 is molded along with the similar side walls 200.
  • FIG. 3 illustrates a perspective view of the lower foam panel 104 with an assembly of springs tightly packed into it, in accordance with an embodiment of the present invention.
  • the assembly of springs 300 is tightly packed inside the lower foam panel 104.
  • the assembly of springs comprises a plurality of spring units 302, where each spring is enclosed inside a fabric cover. Hence, each spring unit 302 acts independently of each other in providing elasticity to the mattress 100.
  • Each spring unit 302 is placed inside the lower foam panel 104 one by one, in such a way that the spring units 302 are supported by the side foam walls 200 of the upper and the lower foam panel 102 and 104.
  • the side walls 200 restrict the movement of the spring units 302, and provide a tightly packed arrangement of the spring units 302 inside the mattress 100.
  • each spring unit 302 may be simply placed inside the lower panel 104.
  • the spring units may additionally be secured using glue on the surface of the lower foam panel 104.
  • the spring units may additionally be secured using metallic stitches for connecting them with the surface of the lower foam panel 104. It may be apparent to a person skilled in the art, that there are other mechanisms provided in the art to secure the spring units 302 on the lower foam panel, which can also be adopted in the present invention, without deviating from the meaning and scope of the present invention.
  • FIG. 4 illustrates an open view 400 of the mattress 100 showing the upper foam panel 102 folded to expose the packed assembly of the spring units 302, in accordance with an embodiment of the present invention.
  • FIG. 5 illustrates a flow chart showing a method of manufacturing the mattress 100 shown in the FIGs. 1-4 .
  • an upper foam panel 102 and a lower foam panel 104 are molded out from a mold, both with integral side foam walls 200.
  • the upper and the lower foam panels 102 and 104 are continuous one molded piece of a foam material, such as latex foam, with side walls.
  • an assembly 300 of a plurality of spring units 302 is secured and tightly packed on the surface of the lower foam panel 104, where the assembly of the spring units 302 is supported by the side walls 200 of the lower foam panel 104.
  • each spring unit 302 is placed on the surface of the lower foam panel 104.
  • each spring unit 302 supports each other, and is also supported and packed by the side walls 200.
  • step 506 once all the spring units 302 are placed on the lower foam panel 104, the upper foam panel 102 is placed and secured over the lower foam panel 104; resultantly forming a mattress 100 into which the assembly of a plurality of spring units 302 is tightly packed due to the presence of molded edges 106 of the mattress 100, which are formed by the side walls 200 of the upper and the lower foam panels 102 and 104.
  • the present invention provides a mattress and method of manufacturing thereof, where the mattress is a simple combination of two molded foam panels and an assembly of spring units packed inside the two molded foam panels.
  • the two panels are molded as continuous structures along with side walls integral to them.
  • the mattress does not need extra separate side panels glued to it for covering the edges. Also, since no additional side walls are glued to the upper and lower foam panels, no rough uncomfortable touch feeling is felt by the user.
  • the assembly of spring units is able to be tightly packed inside the mattress, secured and supported by the upper, the lower and the side walls of the mattress.
  • the spring units may not be necessarily glued to the surface of the lower foam panel, since they are supported by the side walls. Therefore, the mattress is inexpensive and the manufacturing process is not complex and not labor intensive.
  • Preferred latex foam for the upper and/or lower foam panel is a latex foam.
  • "Latex” is herein defined as a dispersion of polymeric particles in a continuous phase, the polymeric particles preferably having a size range of from 10 to 1000 nm.
  • the latex foam material can be prepared from natural rubber latex or from one or more of such synthetic latexes as polybutadiene/styrene latex, polybutadiene/acrylonitrile latex, polychloroprene latex and the like or from a mixture of natural rubber latex and one or more such synthetic latexes.
  • the later foam includes conventional latex foam as well as visco-elastic latex foam.
  • Suitable aqueous latexes is from 20 to 75% by weight.
  • Preferred latexes have a solid content of from 50 to 75% by weight.
  • Suitable polymer latexes are all dispersions in which the solid is dispersed in a liquid phase and this phase in turn forms an emulsion with a further liquid phase.
  • latexes of polymers consisting of dienes or olefinically unsaturated monomers and copolymers thereof such as polystyrene-butadiene latex, polybutadiene latex, polyisoprene latex, natural rubber latex, acrylonitrile-butadiene latex, polychloroprene latex, polydichlorbutadiene latex, latex of a copolymer of chloroprene and dichlorobutadiene, polyisoprene latex, latex of chlorinated polyisoprene or (meth)acrylate latex.
  • Dispersions of polyurethanes or other dispersions in which polymers are dispersed in water with the aid of emulsifiers or dispersing agents are also suitable, however.
  • Preferred latexes include latexes of natural rubber, styrene-butadiene rubber (SBR), SBR having low styrene content (up to 27%), nitrile rubber (NBR), isoprene rubber, neoprene rubber, polybutadiene rubber, isobutylene-isoprene rubber (IIR), copolymers of acrylonitrile, methacrylonitrile, acrylates, methacrylates, vinylpyridine with butadiene or 2-chloro-1,3-butadiene and chlorinated polyethylene or mixtures of any of these.
  • SBR styrene-butadiene rubber
  • NBR nitrile rubber
  • IIR isobutylene-isoprene rubber
  • Latexes of natural rubber styrene-butadiene rubber, nitrile rubber, polybutadiene rubber, isoprene rubber or copolymers comprising acrylates.
  • Polymer-containing latexes such as e.g. SBR (styrene-butadiene rubber) or NBR (acrylonitrile-butadiene rubber), polychloroprene, polybutadiene, polyisoprene, natural rubber latex, polyvinyl chloride, (meth)acrylate dispersions or dispersions of copolymers thereof, are conventionally available commercially in solids concentrations of more than 50%. These concentrations can be achieved e.g.
  • the concentration of low-concentration polymer latexes is increased from 30% to 60% solids, for example.
  • Other preferred latexes are combinations of synthetic and natural latex.
  • Preferred proportions of natural latex to synthetic latex can be varied from 1:4 to 6:4. Highly preferred proportions of natural to synthetic latex are more than 1:1. The proportions should be optimized according to the latex used.
  • Latex foam Methods of obtaining latex foam are known in the art and can be those where latex being poured into a closed mold provided with aluminium pins to ensure good heat conduction, and subsequently being vulcanised, washed and dried into an end product.
  • An alternative preferred method in accordance with the present invention for producing the latex foam upper and lower foam panel is the pouring of latex foam on an endless conveyor belt, followed by vulcanisation, washing and finally drying.
  • foams to be used are foams selected from polyolefin, polyurethane, polystyrene or polyester or visco-elastic latex or mixtures thereof.
  • the foam can be visco-elastic foam.
  • the foam offers a firm yet resilient support.
  • Preferred foams to be used in accordance with the present invention are those having a lower indentation load deflection value than the latex foam.
  • the foam can comprise any natural or synthetic foam.
  • the foams are typically open cell.
  • the foam may also comprise recycled foam, foam impregnated fiber mats or micro-cellular elastomer foam.
  • the foam may include organic and/or inorganic fillers.
  • additional additives may be incorporated into the foam composition, such as, but not limited to, flame retardants, anti-fogging agents, ultraviolet absorbers, thermal stabilizers, pigments, colorants, odor control agents, perfumes and the like.
  • foams are polyurethane foam.
  • Polyurethane foams with varying density and hardness may be formed.
  • Tensile strength, tear strength, compression set, air permeability, fatigue resistance, support factor, and cell size distribution may also be varied, as can many other properties. Specific foam characteristics depend upon the selection of the starting materials, the foaming process and conditions, and sometimes on the subsequent processing.
  • Cellular polyurethane structures typically are prepared by generating a gas during polymerization of a liquid reaction mixture comprised of polyester or polyether polyol, an isocyanate, a surfactant, catalyst and one or more blowing agents.
  • the gas causes foaming of the reaction mixture to form the cellular structure.
  • the surfactant stabilizes the structure.
  • Latex foam inherently provides a greater independent support characteristic relative to foams such as polyurethane or urethane foams. This difference is attributable to the compositional differences between the materials and is reflected, at least in part, in the typical load deflection curves for each type of material.
  • a load-deflection curve is typically a graph of the force in lbs. required to indent a flat disk of 50 sq. in. (8" diameter) into the foam or other material being tested for any given percentage of deflection.
  • Latex foam is typically characterized by having a more gradual slope in the lower portion of the curve, that is in the range of 5-10% deflection, which typically becomes steeper in the higher portion of the curve, that in the range of 50-70% of deflection.
  • Polyurethane foams typically have a steeper initial portion of the curve, in the range of 5-10% deflection, which typically decreases in the higher deflection ranges.
  • latex foam has a softer initial feel, it resists deflection at heavier loads. This contributes, at least in part to the latex foam offering greater independent support relative to urethane foam.
  • the present invention also provides additional tailoring of the comfort to the user by combining different foams to be used in either the lower foam panel and /or upper foam panel.
  • Preferred foam panel according to the present invention contain perforations.
  • said perforations are formed in the mattress in a pattern of rows of perforations and/or columns of perforations, the spacing between two adjacent rows of perforations and/or columns of perforations.
  • the interface between the spacing of the perforations are less than 40, more preferably less 20 mm, most preferably ranging between 10 and 15 mm.
  • Preferred hybrid mattress according to the present invention are characterized in that the surface of the foam layer above the array of springs are provided with perforations in at least one zone of the upper surface thereof and with a profile in at least one zone of said upper surface.
  • the aforesaid perforations are formed in zones near those parts of a user's body that secrete the most sweat, mainly the neck, the back and the thighs.
  • Preferred upper and/or lower foam panels according to the present invention contain profiles.
  • zones comprising perforations alternating with zones comprising profiles will lead to an upper mattress, which meets each and every requirement of an exacting user as regards sleeping comfort.
  • a foam including a convoluted top or convoluted second layer, which enhances user comfort.
  • each rib is generally sinusoidal about a longitudinal axis to define sinusoidal channels there between.
  • the first peaks are formed at crests of the sinusoidal ribs.
  • the second peaks are formed at the longitudinal axis of each rib.
  • the ribs are wider in areas proximate the first and second peaks.
  • the first and second peaks are rounded.
  • Another preferred feature of the foam panel according to the present invention is that the first height is greater than the second height.
  • the channels have a first thickness in areas proximate the first peaks and a second thickness in areas proximate the second peaks. The second thickness is greater than the first thickness.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP18202930.6A 2018-10-26 2018-10-26 Hybridmatratze Withdrawn EP3643207A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP18202930.6A EP3643207A1 (de) 2018-10-26 2018-10-26 Hybridmatratze
EP19790024.4A EP3870001A1 (de) 2018-10-26 2019-10-25 Hybridmatratze
CA3130482A CA3130482A1 (en) 2018-10-26 2019-10-25 A hybrid mattress
US17/287,964 US20210337981A1 (en) 2018-10-26 2019-10-25 A Hybrid Mattress
PCT/EP2019/079244 WO2020084136A1 (en) 2018-10-26 2019-10-25 A hybrid mattress
CN201980070335.1A CN113260284A (zh) 2018-10-26 2019-10-25 混合床垫

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18202930.6A EP3643207A1 (de) 2018-10-26 2018-10-26 Hybridmatratze

Publications (1)

Publication Number Publication Date
EP3643207A1 true EP3643207A1 (de) 2020-04-29

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP18202930.6A Withdrawn EP3643207A1 (de) 2018-10-26 2018-10-26 Hybridmatratze
EP19790024.4A Pending EP3870001A1 (de) 2018-10-26 2019-10-25 Hybridmatratze

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19790024.4A Pending EP3870001A1 (de) 2018-10-26 2019-10-25 Hybridmatratze

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US (1) US20210337981A1 (de)
EP (2) EP3643207A1 (de)
CN (1) CN113260284A (de)
CA (1) CA3130482A1 (de)
WO (1) WO2020084136A1 (de)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643233A (en) 1950-04-28 1953-06-23 Gen Motors Corp Method of making latex foam
US2809172A (en) 1950-06-08 1957-10-08 Us Rubber Co Method of continuously producing latex foam
US3251078A (en) * 1965-04-21 1966-05-17 Calla Nick Linked spring foam cushion construction
US3757617A (en) 1972-03-16 1973-09-11 J Fabbri Foam cutting apparatus
US5397225A (en) 1992-03-12 1995-03-14 Huels Aktiengesellschaft Mold for the production of latex foam articles
US5804113A (en) 1991-11-14 1998-09-08 Prefoam Ag Method and device for the continuous manufacture of slabstock polyurethane foam within a predetermined pressure range
US5992633A (en) 1997-04-15 1999-11-30 Burchard; Edgar Process for cutting and packaging blocks of expanded polystyrene foam as a loose fill cushioning material
EP1149547A1 (de) * 2000-04-28 2001-10-31 Hugo Bastiaens Individuell anpassbare Matratze oder Kissen
EP1878553A1 (de) 2006-07-14 2008-01-16 Latexco NV Mehrschichtschaumstoffprodukten auf Basis von Latex und seiner Verfahren zu deren Herstellung
US8397387B2 (en) 2008-07-17 2013-03-19 Systeco Ltd SECZ Automated foam panel apparatus, blade, and associated method
EP2613927A1 (de) 2010-09-07 2013-07-17 Latexco Nv Funktionalisierter schaumstoff auf latexbasis
US9085125B2 (en) 2005-07-01 2015-07-21 Latexco Nv Latex based composite foams
EP3130257A1 (de) * 2015-08-13 2017-02-15 Industrias Lecos S.r.l. Ruhematratzenstruktur

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CN113260284A (zh) 2021-08-13
WO2020084136A1 (en) 2020-04-30

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