EP1576908A2 - Matelas avec tissus mailles separes - Google Patents

Matelas avec tissus mailles separes Download PDF

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Publication number
EP1576908A2
EP1576908A2 EP05447060A EP05447060A EP1576908A2 EP 1576908 A2 EP1576908 A2 EP 1576908A2 EP 05447060 A EP05447060 A EP 05447060A EP 05447060 A EP05447060 A EP 05447060A EP 1576908 A2 EP1576908 A2 EP 1576908A2
Authority
EP
European Patent Office
Prior art keywords
mattress
combination
elasticity
layer
soft material
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Withdrawn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
EP05447060A
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German (de)
English (en)
Other versions
EP1576908A3 (fr
Inventor
Frank De Bock
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1576908A2 publication Critical patent/EP1576908A2/fr
Publication of EP1576908A3 publication Critical patent/EP1576908A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C21/00Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04Devices for ventilating, cooling or heating
    • A47C21/042Devices for ventilating, cooling or heating for ventilating or cooling
    • A47C21/046Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/16Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays reinforced with sheet-like or rigid elements, e.g. profiled
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C31/00Details 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
    • A47C31/006Use of three-dimensional fabrics

Definitions

  • the present invention relates to a mattress comprising at least one support layer of soft material, enclosed by an upper wall providing a resting surface, a lower wall providing a support surface and a plurality of side walls, as described in the preamble of the first claim.
  • Such a mattress is known from DE-A-10037888.
  • the known mattress is made of an envelope having an upper wall, a lower wall and side walls, which enclose a multilayer core made of different layers of foamed material.
  • the different layers of soft material provide a support for the human body which can be tuned to different parts of the body, thereby providing a more or less constant level of support for the different body parts, thus avoiding locations of high local pressure on the body.
  • the mattress of DE-A-10037888 however can be improved in that a better support of the different body parts can be achieved.
  • those body parts which protrude into the mattress, such as for instance buttocks, shoulders and calves, need to be better supported.
  • To obtain a better support it is possible to use a softer mattress. In such a mattress body parts sink deeper, thereby increasing the support surface, and consequently decreasing local pressure on the body.
  • using a softer mattress has the disadvantage of curving the body along the spine for an extended period.
  • Another disadvantage of the known mattress is that it does not aerate very well.
  • the known mattress is therefore prone to formation of condensate on its surfaces, which, in the long run, may lead to fungal growth. This of course is undesirable from a hygienic point of view.
  • the known mattress does not provide optimum lying comfort to all body parts. There is therefore a need to provide a multilayer mattress with improved resting comfort for all body parts, in particular the wider head and shoulder portion, the heavier, but narrower back and hip portion and the leg portion.
  • the object of the invention is therefore to provide a multilayer mattress with an improved resting comfort, as well as an improved resistance against fungus formation.
  • the mattress according to the invention comprises at least one support layer of soft material, enclosed by an upper wall providing a resting surface, a lower wall providing a support surface and a plurality of side walls, whereby it further comprises, at least over part of its surface viewed from the side a combination of two distinct layers whereby the upper layer of the combination is a first support layer of first soft material, and the lower layer of the combination is a spaced knitted fabric, which spaced knitted fabric comprises at least two mutually substantially parallel woven and/or knitted fabrics, held together by a plurality of fibres extending substantially straight and perpendicular to the plane of the fabrics.
  • the mattress according to the invention shows an improved point elasticity, when compared with the known mattresses. Moreover the mattress of the invention remains dry under adverse circumstances, for instance when a person with extensive perspiration rests on the mattress for a prolonged period of time.
  • an improved point elasticity means that the elastic counter force experienced by the body of a person resting on the mattress is well distributed over the contact surface between the body and the mattress upper wall.
  • spaced knitted fabric is in itself known in the art, it has hitherto not been used in combination with a mattress.
  • a particular embodiment of a spaced knitted fabric, marketed under the registered tradename Aerosleep® has been used as separate cover on a mattress or pillow.
  • Such cover generally has the dimensions of the surface of the mattress and is attached to the mattress by stretching 4 elastic bands on its corners around and underneath the mattress.
  • These covers are believed to provide sleeping comfort for the person resting on it, by allowing air to freely flow between mattress and/or pillow and the human body.
  • Spaced knitted fabrics suitable for such purpose typically have thicknesses of a few mm only up to about 7 mm. Covers with thicknesses larger than 7 mm are rarely used since a cover having this thickness cannot perform its function well.
  • a mattress according to the invention is obtained having the desired resting comfort, as well as an improved aeration, in comparison to the known mattress. More in particular, it has been found that it is now possible to incorporate spaced knitted fabrics with increased thickness into the mattress, without having the risk for substantial fibre buckling while still retaining improved aeration.
  • the point elasticity of the mattress is improved over known mattresses, such as for example inner spring mattresses with or without pocket springs.
  • Suitable spaced knitted fabrics can be made from all fibres known in the art. Although it is possible to use metallic fibres if desired, preferred fibres are natural, such as cotton for instance, and/or organic fibres. Organic fibres are preferably used since interference with electromagnetic earth waves is avoided. Preferred organic fibres include polyester, polyalkylene, such as polyethylene and polypropylene, and/or polyamid fibres. It is also possible to use elastic fibres. It is likewise possible to add specific additives to the fibre material, such as for instance flame retardants, antibacterial, coloring and/or anti-odorous additives. The fibres can be mono- and/or multifilament, and may be textured.
  • the fibre density of the fibres extending substantially straight and perpendicular to the plane of the fabrics can be chosen at will, depending on the specific support properties needed for the mattress. Preferred densities are between 10 and 200 fibres per cm 2 . More preferred densities are between 20 and 100 fibres per cm 2 , most preferred between 30 and 70 fibres per cm 2 .
  • the mattress according to the invention comprises a second support layer of second soft material, extending at least over part of its surface and directly adjacent to the lower wall when viewed from the side.
  • the spaced knitted fabric is protected from damage by a support layer of soft material on its upper surface, and by a support layer of soft material on its lower surface, thereby forming a sandwich structure with two skin layers of soft material at both side surfaces, and in between them a spaced knitted fabric.
  • the combination of the two distinct layers into the mattress over part of the surface of the mattress only may be done to obtain the desired beneficial effect only over those parts of the mattress where it is most needed, such as for instance in the vicinity of the back or the hips.
  • long resting periods can have a detrimental effect on their skins. They may for instance develop open wounds.
  • the mattress according to the invention comprises, extending substantially over its whole surface, said combination of two distinct layers positioned on top of said second support layer of second soft material.
  • the desired comfort and aeration effect is readily achieved over the entire surface of the mattress, which improves this effect.
  • the mattress of the invention can be produced in an economical way, with a minimum of time-consuming hand labour.
  • the soft material of the support layers can be any suitable material known in the art. Suitable soft materials may for instance comprise wool, cotton, eventually unbleached, hemp, natural latex, silk, cashmere, hand teased hair, and so on. Preferably the soft materials comprise foamed materials. Suitable foamed materials are for instance polyurethane and/or rubber latex foams. It is also possible to use polyether foams. In principle foams with any hardness can be used. The hardness and/or elasticity of the foamed materials used can be chosen according to the desired personal comfort levels. Hardness and/or elasticity can be chosen according to principles, well known to the person skilled in the art.
  • Suitable foam constructions include closed cell foams, open cell foams, syntactic foams consisting substantially of polymeric or other suitable material beads, embedded and glued together by a suitable adhesive, and so called viscoelastic foams.
  • a particularly preferred embodiment according to the invention is a mattress, characterised in that at least the first and/or the second foamed material is a viscoelastic foamed material.
  • Viscoelastic foams suitable for the mattress of the invention are for example marketed under the registered tradename Tempur®, or are viscoelastic foams obtainable from the company Eupenfoam under the registered tradename Eucatherm®. These materials are essentially foams made of a viscoelastic polymer with relaxation times which may even range in the order of minutes. Such a foam responds to the body as follows. In an unslept bed, the foam has essentially acquired room temperature. At this temperature its relaxation times may be as long as several minutes, especially in winter time when room temperatures are low.
  • the viscoelastic foam When applying the pressure of the body to the foam, it will initially feel hard, since it can not relax quickly enough to adapt to the shape of the body. However aided by the temperature rise of the body contact, the viscoelastic foam will relax and gradually adapt its shape to the shape of the body parts resting on it. This will provide an almost exact copy of the body shape and therefore a well divided supporting pressure. This will enhance the feeling of comfort of a person resting on such a foam.
  • the mattress according to the invention comprises first and/or second foamed material with an open cell structure. This further improves the dehydration and ventilation of the mattress. Moreover the mattress according to this preferred embodiment can be cleaned very easily and thoroughly, which is a great advantage for persons allergic to for instance dust mite.
  • a preferred embodiment of the mattress according to the invention has an upper layer of the combination divided in at least three parts along the length direction of the mattress, a first part having an elasticity of between 0,5-2,2 kPa, for receiving the head and shoulder portion of a person occupying the mattress, the second part having an elasticity of between 1,6-4,0 kPa, being provided for receiving the back and hip zone, the third part having an elasticity of between 0,5-2,2 kPa, for receiving the leg zone.
  • a more preferred embodiment of the mattress according to the invention has a second layer (19) divided in at least three parts (191, 192, 193) along the longitudinal direction of the mattress, a first part (191) having an elasticity of between 1,2-1,8 kPa for receiving the head and shoulder portion of a person occupying the mattress, the second part (192) having an elasticity of between 1,8-2,6 kPa, being provided for receiving the back and hip zone, the third part (193) having an elasticity of between 1,2-1,8 kPa, for receiving the leg zone.
  • the elasticity of the different parts of the mattress is defined by measuring the compressive load for a certain deflection, according to ISO 3386-1.
  • the length of the different parts of the upper layer of the combination and/or the second layer of the mattress is preferably chosen such that the first part has a length L1, the second part has a length L2 and the third part has a length L3, L1 being larger than L3, which in turn is larger than L2.
  • the dimensions of the mattress in the thickness can be chosen at will, depending on the desired comfort level and the particular requirements of the person purchasing the mattress. These requirements depend for instance on length and weight of the person.
  • the height of the upper layer of the combination is between 40 and 80 mm
  • the height of the lower layer of the combination is between 20 and 60 mm
  • the height of the optional second support layer is between 30 and 70 mm.
  • All layers of the mattress according to the invention may be attached to each other by all suitable means of the art, such as stitching, adhesively bonding, and so on.
  • the mattress may also be provided with additional pieces of foamed material to give the desired shape to the mattress. It is for instance possible to provide pieces of foamed material adjacent to the side walls of the mattress, in order to protect the sides of the mattress.
  • Figure 1 is a schematic perspective view of a mattress in general.
  • Figure 2 is a schematic view of a preferred embodiment of the mattress of the invention, along a cross section ABCD.
  • Figure 3 is a schematic view of a preferred embodiment of the mattress of the invention, along a lengthwise cross section.
  • Figure 4a shows a detailed view from above of the support layer 12 according to the invention.
  • Figure 4b shows a detailed view from the side of the support layer 12 according to the invention.
  • Figure 4c shows a detailed view from the side perpendicular to the side of figure 4b of the support layer 12 according to the invention.
  • the mattress 1 shown in figure 1 comprises an envelope for the support layers, having an upper wall 10 providing a resting surface, a lower wall 20 providing a support surface to the mattress, and four side walls, being one at the foot end 3, one at the head end 4, a left side 5, and a right side 6.
  • a cross section in the width direction of the bed is defined as ABCD.As can be seen from figure 2, the cross section ABCD is build up of the envelope sides (upper side 10, lower side 20, left side 5, and right side 6), which enclose a combination of two distinct layers 11, 12 extending over substantially the entire width of the mattress.
  • the upper layer 11 consists of viscoelastic foam with an open cell structure, Eucatherm C®, Type TC50W, obtainable from the company Eupenfoam in Eupen, Belgium.
  • the lower layer 12 of the combination 11, 12 is a three-dimensional spacing knitwear fabric with a thickness of 40 mm, which may be provided with or without stitching.
  • This three-dimensional spacing knitwear fabric is obtainable under the tradename of Pressless®, from the company Bodet & Horst GmbH, in Germany.
  • This fabric provides substantially higher volume than any comparable standard compound fabric (bonded fabrics), and thus an additional padding effect further improving sleeping comfort. It moreover has better respiratory activity than any comparative standard double fabrics due to its extremely high air permeability.
  • the balanced thermal insulation behaviour supports comfortable sleeping temperature.
  • the lower layer 12 reacts to any type of load and weight with a particularly high compression elasticity. After load changes, the fabric immediately regains its original position. The sleeper will benefit from this with a much more comfortable position.
  • the compression elasticity feature equally boosts humidity transport and respiratory activity.
  • the three-dimensional knitted fabric 12 comprises two substantially plane textile structures 120 and 121, which extend substantially parallel to each other. It is however possible to bend the structures 120 and 121 over some angle to provide a curved lower layer 12. In between the structures 120 and 121 a plurality of fibres are provided which bridge the distance between both structures 120 and 121.
  • the bridging fibres 122, 123 are integral to the textile structures 120 and 121. For instance, a fibre of the textile structure 120 at some point leaves the plane of structure 120, bridges the distance between the planes and re-enters the opposing structure 121. This is easily achieved by a person skilled in the art of textile techniques.
  • the fibres 122, 123 extend between the two structures 120, 121 substantially straight.
  • the fibres are preferably not extensively curled on themselves but cross the distance along a relatively short path. It does not mean that fibres may not show a curvature, such as the curvature shown in figure 4b.
  • the fibres may cross each other at some angle, however they may also run mote or less parallel to each other. From the side view of figure 4b, it is clear that the average direction of the bridging fibres may differ along the distance between the structures 120 and 121, but may also differ in the length direction from that in the width direction.
  • Figure 4a shows a preferred textile structure for the two fabrics 120 and 121. This structure is substantially honey grate shaped.
  • the top layer 120 is shifted with respect to the bottom layer 121 in the XX' direction.
  • the legs 130, 131 of the honey grate comprise twined filaments which depart from the legs 130 about every mm to cross the distance and rejoin opposing legs 131. Obviously the density of the bridging fibres per cm 2 can be varied at will by changing the departing distance.
  • the preferred embodiment shown in figure 3 has a combination 11, 12 of which the upper layer 11 has been divided into three parts 111, 112, and 13.
  • the lower layer 12 extends over the entire length of the mattress.
  • An additional second support layer 19 is provided, which layer 19 is placed directly adjacent to the lower wall 20 of the mattress.
  • This second layer 19 also has three parts 191, 192 and 193, with lengths preferably about equal to parts 111, 112 and 113.
  • the first part 111 of the mattress has a length L1
  • the second part 112 has a length L2
  • the third part 113 has a length L3, with preferably L1 > L3 > L2.
  • L1 mostly varies from 60-100 cm, preferably from 70-90 cm
  • L2 varies from 30-70 cm, preferably from 40-60 cm
  • L3 varies from 50-90 cm, preferably from 60-80 cm.
  • a first part 111 corresponds to the surface part accommodating the head and shoulders of a person occupying the mattress.
  • This first part 111 is made of a foamed material having the highest elasticity as the shoulders are the part which extends the most from the body when occupying the mattress in a sideways position. In the sideways position, the pressure exerted by the shoulders per surface area unit will be higher as compared to the position when the body is laying on the back or front side. A larger stretching of the first part 111 will occur, as compared to the back rest position. Because of the high elasticity of this part 111, the upper wall 10 will adapt itself automatically to the resting position and the weight of the body occupying it.
  • the second part 112 corresponds to the surface part accommodating the back part of a person. As it is important that the vertebral column is supported in a substantially horizontal position when sleeping and supported over the entire length, this second part of the mattress is given a limited elasticity, which is substantially less than the elasticity of the first part 111.
  • the third part 113 corresponds to the foot-end of the mattress which is provided for accommodating the hips and legs of a body.
  • the elasticity of this part 113 is limited as compared to the elasticity of the first part 111. Some elasticity is required so as to keep the vertebral column in the correct, preferably substantially horizontal position, on the other hand the elasticity needs to be limited as the hip and leg part of the body have the largest weight.
  • the mattress moreover comprises a bottom layer 22 of spaced knitted fabric with a height of about 5 mm.
  • This embodiment provides for extra aeration in the area between the mattress and the bed or other supporting surface, such as the ground for instance.
  • the mattress may be rotated over its length axis and put on the supporting surface with the layer 22 on top. This provides for extra aeration directly between body and mattress.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP05447060A 2004-03-19 2005-03-18 Matelas avec tissus mailles separes Withdrawn EP1576908A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004004701U 2004-03-19
DE200420004701 DE202004004701U1 (de) 2004-03-19 2004-03-19 Matratze mit Abstandsmaschenware

Publications (2)

Publication Number Publication Date
EP1576908A2 true EP1576908A2 (fr) 2005-09-21
EP1576908A3 EP1576908A3 (fr) 2005-09-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05447060A Withdrawn EP1576908A3 (fr) 2004-03-19 2005-03-18 Matelas avec tissus mailles separes

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EP (1) EP1576908A3 (fr)
DE (1) DE202004004701U1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034311A2 (fr) * 2005-09-25 2007-03-29 Asc N.V. Belgie Element de support et matelas
WO2008009712A1 (fr) * 2006-07-18 2008-01-24 Lancastria Limited Matelas
ES2313810A1 (es) * 2006-01-11 2009-03-01 Elena Mendez Gomez Colchon con ventilacion.
US8448273B2 (en) 2008-10-29 2013-05-28 Smartsilk Corporation Inc. Pillow and cover for a pillow
ITMI20130176A1 (it) * 2013-02-08 2014-08-09 Graziano Palin Sostegno igienico drenante.
US9167919B2 (en) 2009-03-03 2015-10-27 Smartsilk Corporation Inc. Cover for a mattress

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8025964B2 (en) 1994-06-03 2011-09-27 Tempur World, Llc Laminated visco-elastic support
US7155765B2 (en) 2003-10-14 2007-01-02 Tempur World, Llc Pillow top for a cushion
DE102005043864A1 (de) * 2005-09-10 2007-03-22 Schäfer, Rita Ventilationsmatratze
EP1932454A1 (fr) 2006-12-13 2008-06-18 Frank De Bock Sommier
ITPD20100306A1 (it) * 2010-10-15 2012-04-16 Dormiflex Lady Linea Srl Poltrona o divano o sedile traspirante
EP2877064B1 (fr) 2012-07-27 2019-05-08 Tempur-Pedic Management, LLC Coussin soutenant le corps comportant plusieurs couches de matière à changement de phase
FR3104014B1 (fr) * 2019-12-05 2021-12-17 Guez Gerard Matelas-sommier ostéopathique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10037888A1 (de) * 2000-08-03 2002-06-06 Kessler Hans Peter Mehrschicht-Bettmatratze
DE20309794U1 (de) * 2002-06-25 2003-10-02 Bodet & Horst Gmbh & Co Kg Mehrschichtiger Matratzenbezugsstoff

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10037888A1 (de) * 2000-08-03 2002-06-06 Kessler Hans Peter Mehrschicht-Bettmatratze
DE20309794U1 (de) * 2002-06-25 2003-10-02 Bodet & Horst Gmbh & Co Kg Mehrschichtiger Matratzenbezugsstoff

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034311A2 (fr) * 2005-09-25 2007-03-29 Asc N.V. Belgie Element de support et matelas
WO2007034311A3 (fr) * 2005-09-25 2008-09-04 Asc N V Belgie Element de support et matelas
ES2313810A1 (es) * 2006-01-11 2009-03-01 Elena Mendez Gomez Colchon con ventilacion.
WO2008009712A1 (fr) * 2006-07-18 2008-01-24 Lancastria Limited Matelas
GB2454138A (en) * 2006-07-18 2009-04-29 Lancastria Ltd A mattress
GB2454138B (en) * 2006-07-18 2011-10-05 Lancastria Ltd A mattress
US8448273B2 (en) 2008-10-29 2013-05-28 Smartsilk Corporation Inc. Pillow and cover for a pillow
US9167919B2 (en) 2009-03-03 2015-10-27 Smartsilk Corporation Inc. Cover for a mattress
ITMI20130176A1 (it) * 2013-02-08 2014-08-09 Graziano Palin Sostegno igienico drenante.

Also Published As

Publication number Publication date
DE202004004701U1 (de) 2004-08-19
EP1576908A3 (fr) 2005-09-28

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