WO2013119250A1 - Matelas à transfert de mouvement réduit - Google Patents

Matelas à transfert de mouvement réduit Download PDF

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Publication number
WO2013119250A1
WO2013119250A1 PCT/US2012/024669 US2012024669W WO2013119250A1 WO 2013119250 A1 WO2013119250 A1 WO 2013119250A1 US 2012024669 W US2012024669 W US 2012024669W WO 2013119250 A1 WO2013119250 A1 WO 2013119250A1
Authority
WO
WIPO (PCT)
Prior art keywords
mattress
body support
support portion
divider
foam
Prior art date
Application number
PCT/US2012/024669
Other languages
English (en)
Inventor
Kelly W. Chandler
Original Assignee
Tempur-Pedic Management, Inc.
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 Tempur-Pedic Management, Inc. filed Critical Tempur-Pedic Management, Inc.
Priority to PCT/US2012/024669 priority Critical patent/WO2013119250A1/fr
Priority to US13/704,355 priority patent/US20130205510A1/en
Publication of WO2013119250A1 publication Critical patent/WO2013119250A1/fr

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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
    • 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
    • A47C27/148—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays of different resilience

Definitions

  • the present invention is generally directed to a mattress having a motion transfer reduction feature that is particularly well-suited for mattresses that are not entirely made of viscoelastic material or other materials known to have motion transfer reducing properties.
  • the motion transfer feature includes an air wall that extends along a longitudinal axis of the mattress.
  • the air wall or cavity effectively divides the mattress into first and second body support portions. Mechanically separating the mattress into separate body support positions dampens the transfer of motion between the body support positions, such as when a person enters or exits the mattress.
  • the air wall includes viscoelastic material, such as a single block of viscoelastic foam or multiple blocks in a spaced arranged along the longitudinal axis of the cavity between the body support portions.
  • a mattress in accordance with one aspect of the present invention, includes a divider, comprised of viscoelastic foam, extending along a longitudinal axis thereof.
  • the mattress further includes a first body support portion including high-resilience foam positioned adjacent a first side of the divider and a second body support portion including high-resilience foam positioned adjacent a second side of the divider opposite the first side of the divider for isolating the second body support portion from the first body support portion.
  • a mattress having a first body support portion extending longitudinally from a head of the mattress to a foot of the mattress and a second body support portion extending longitudinally from the head of the mattress to the foot of the mattress.
  • a gap is defined between the first and second body support portions and extends longitudinally from the head of the mattress to the foot of the mattress.
  • a layer of viscoelastic foam covers and is attached to the first and second body support portions, and bridges the gap between the first and second body support portions.
  • a mattress includes a first body support portion extending longitudinally from a head of the mattress to a foot of the mattress and a second body support portion extending longitudinally from the head of the mattress to the foot of the mattress.
  • a gap is defined between the first and second body support portions and extends longitudinally from the head of the mattress to the foot of the mattress.
  • Viscoelastic material is disposed in the gap and resists motion transfer between the first body support and the second body support portions.
  • FIG. 1 is a perspective view of a mattress in accordance with an embodiment of the invention.
  • Fig. 2 is a cross-sectional view of the mattress taken along line 2-2 in Fig. 1.
  • FIG. 3 is a perspective view of a mattress in accordance with another embodiment of the invention.
  • Fig. 4 is a cross-sectional view of the mattress taken along line 4-4 in Fig. 3.
  • FIG. 5 is a perspective view of a mattress in accordance with another embodiment of the invention.
  • Fig. 6 is a section view of the mattress taken along line 6-6 of Fig. 5.
  • Fig. 7 is a perspective view of a mattress in accordance with another embodiment of the invention. DETAILED DESCRIPTION
  • FIG. 1 A mattress 10 in accordance with an embodiment of the invention is illustrated in Figs. 1 and 2.
  • the term “mattress” includes without limitation any
  • the mattress 10 of Figs. 1 and 2 includes a top surface 12 configured to face and support a user, and a bottom surface 14 positioned to be proximate a frame, floor, or other surface to support the mattress 10.
  • the illustrated mattress 10 defines a length 16, a width 18, and an outer perimeter nominally equal to the sum of two times the length 16 and two times the width 18.
  • the mattress 10 includes a bottom layer 20 and a top layer 22.
  • the bottom layer 20 includes a first body support portion 24, a second body support portion 26, and a divider 28 positioned between the first and second body support portions 24, 26.
  • the first body support portion 24 and the second body support portion 26 are made of high-resilience foam, such as polyurethane foam, while the top layer 22 and the divider 28 are made of viscoelastic foam (sometimes referred to as "memory foam” or "low resilience foam”).
  • the high-resilience foam of the first and second body support portions 24, 26 provides support to a user and a desirable "bounce" feeling to the mattress 10, while the viscoelastic foam top layer 22 provides a softer and more deformable layer having the low- resilience and body-conforming characteristics that are desirable features of viscoelastic foam.
  • the combination of the viscoelastic foam top layer 22 atop the high-resilience foam body support portions 24, 26 provides a soft yet resilient support surface for a user.
  • the individual properties of the viscoelastic top layer 22 and the high-resilience first and second body support portions 24, 26 contribute to a total experience in which the individual benefits of an underlying layer of high-resilience foam and an overlying layer of viscoelastic foam are both realized in a single mattress 10.
  • the high-resilience first and second body support portions 24, 26 enhance an individual's mobility on the mattress 10 (particularly at the edges, where entrance onto and exit from other types of mattresses can otherwise be more challenging for some users), while the viscoelastic top layer 22 provides a soft and deformable surface to an overlying portion of the mattress 10.
  • the divider 28 of the illustrated embodiment of Figs. 1 and 2 substantially isolates the first body support portion 24 from the second body support portion 26 from various types of vibration and other movement.
  • the divider 28 dampens vibration and movement of the first body support portion 24 such that limited vibration and movement are transferred to the second body support portion 26. Therefore, if a first person supported on the first body support portion 24 moves (e.g., enters the bed, exits the bed, or adjusts in position upon the first body support portion 24), a second person on the second body support portion 26 feels little or no movement because of the damping provided by the divider 28.
  • the divider 28 dampens vibration and movement of the second body support portion 26 such that limited vibration and movement are transferred to the first body support portion 24. Therefore, if the second person supported on the second body support portion 26 moves (e.g., enters the bed, exits the bed, or adjusts in position upon the second body support portion 26), the first person on the first body support portion 24 feels little or no movement because of the damping provided by the divider 28. [0019] With reference again to the illustrated mattress 10 of Figs.
  • the mattress 10 can be enclosed within a cover of any type, such as a woven or non- woven material, a knitted material, a material comprising cotton, wool, or other natural fiber, polyester, rayon, nylon, foam, or other synthetic material, and a material that is liquid and vapor impermeable, liquid impermeable and vapor permeable, or liquid and vapor permeable.
  • a cover of any type such as a woven or non- woven material, a knitted material, a material comprising cotton, wool, or other natural fiber, polyester, rayon, nylon, foam, or other synthetic material, and a material that is liquid and vapor impermeable, liquid impermeable and vapor permeable, or liquid and vapor permeable.
  • the mattress 10 can also be covered by one or more sheets.
  • the bottom layer 20 of the mattress embodiment in Figs. 1 and 2 has a top surface 30 and a bottom surface that partially defines the mattress bottom surface 14.
  • the bottom layer 20 of the illustrated embodiment also has a length substantially equal to the length 16 of the mattress 10 and a width substantially equal to the width 18 of the mattress 10.
  • the first body support portion 24 of the mattress embodiment in Figs. 1 and 2 has a top surface that partially defines the top surface 30 of the bottom layer 20 and a bottom surface that partially defines the bottom surface 14 of the mattress 10.
  • the first body support portion 24 of the illustrated embodiment has a length that is substantially equal to the length 16 of the mattress 10, and a width 32 that is less than the width 18 of the mattress 10. In the illustrated construction of the mattress 10, the width 32 of the first body support portion 24 is less than half of the width 18 of the mattress 10. Alternatively, the width 32 of the first body support portion 24 may be about half the width 18 of the mattress 10 or greater than half the width 18 of the mattress 10.
  • the first body support portion 24 is made of a single block of foam having a first side 34 at least partially defining the outer perimeter of the mattress 10 and a second side 36 spaced from the first side 34.
  • the second body support portion 26 of the mattress embodiment in Figs. 1 and 2 has a top surface that partially defines the top surface 30 of the bottom layer 20 and a bottom surface that partially defines the bottom surface 14 of the mattress 10.
  • the second body support portion 26 of the illustrated embodiment has a length that is substantially equal to the length 16 of the mattress 10, and a width 38 that is less than the width 18 of the mattress 10. In the illustrated construction of the mattress 10, the width 38 of the second body support portion 26 is less than half of the width 18 of the mattress 10. Alternatively, the width 38 of the second body support portion 26 may be about half the width 18 of the mattress 10 or greater than half the width 18 of the mattress 10.
  • the second body support portion 26 is made of a single block of foam having a first side 40 at least partially defining the outer perimeter of the mattress 10 and a second side 42 spaced from the first side 40.
  • the first body support portion 24 and the second body support portion 26 are substantially identical, such that the width 32 of the first body support portion 24 and the width 38 of the second body support portion 26 are substantially equal. A sum of the width 32 of the first body support portion 24 and the width 38 of the second body support portion 26 is less than the width 18 of the mattress 10.
  • the top surface of the first body support portion 24 is substantially co-planar with the top surface of the second body support portion 26.
  • the bottom surface of the first body support portion 24 is substantially co-planar with the bottom surface of the second body support portion 26.
  • the first body support portion 24 and the second body support portion 26 are each made of a block of high-resilience foam material, such as a polyurethane foam, a latex foam, any expanded polymer (e.g., expanded ethylene vinyl acetate, polypropylene, polystyrene, or polyethylene).
  • the first and second body support portions 24, 26 may also be made of reticulated or non-reticulated foam.
  • Reticulated foam is a cellular foam structure in which the cells of the foam are essentially skeletal.
  • the cells of the reticulated foam are each defined by a plurality of apertured windows surrounded by cell struts.
  • the cell windows of reticulated foam can be entirely missing (leaving only the cell struts) or substantially missing.
  • Foam may be considered "reticulated” if at least 50% of the windows of the cells are missing (i.e., windows having apertures therethrough, or windows that are completely missing and therefore leaving only the cell struts).
  • Such structures can be created by the destruction or removal of cell window material, or preventing the complete formation of cell windows during the manufacturing process of the foam.
  • the divider 28 extends along a longitudinal axis of the mattress 10, and in the illustrated embodiment extends (along with the first and second body support portions 24, 26) from the head to the foot of the mattress 10.
  • the illustrated divider 28 has a top surface that partially defines the top surface 30 of the bottom layer 20, and a bottom surface that partially defines the bottom surface 14 of the mattress 10.
  • the divider 28 also has a length that is substantially equal to the length 16 of the mattress 10 and a width 44 that is less than the width 18 of the mattress 10.
  • the width 44 of the divider 28 is less than the width 32 of the first body support portion 24 and is less than the width 38 of the second body support portion 26.
  • the width 44 of the divider 28 is between about 0.1 and about 0.5 times the width 32 of the first body support portion 24 and/or is between about 0.1 and about 0.5 times the width 32 of the second body support portion 26.
  • the width 44 of the divider 28 is between about 0.1 and about 0.5 times the width 32 of the first body support portion 24 and/or is between
  • the width 44 of the divider 28 is between about 0.125 and about 0.25 times the width 32 of the first body support portion 24 and/or is between about 0.125 and about 0.25 times the width 32 of the second body support portion 26. Also, in some embodiments the width 44 of the divider 28 is no greater than about 0.25 times the width of the of the first body support portion 24 and/or is no greater than about 0.25 times the width of second body support portion 26.
  • the divider 28 of the illustrated embodiment includes a first side 46 adjacent the second side 36 of the first body support portion 24, and a second side 48 adjacent the second side 42 of the second body support portion 26.
  • the top surface of the illustrated divider 28 is substantially co-planar with the top surface of at least one of the first and second body support portions 24, 26.
  • the bottom surface of the illustrated divider 28 is substantially co-planar with the bottom surface of at least one of the first and second body support portions 24, 26.
  • the illustrated divider 28 is secured to both of the first body support portion 24 and the second body support portion 26.
  • the divider 28 can be secured to the first and second body support portions 24, 26 using an adhesive or in any other suitable manner. Alternatively, in other embodiments the divider 28 is only secured to one of the first and second body support portions 24, 26.
  • the viscoelastic foam divider 28 can comprise reticulated or non-reticulated viscoelastic foam.
  • Reticulated viscoelastic foam has characteristics that are also well suited for use in the mattress 10, including the enhanced ability to permit fluid movement through the reticulated viscoelastic foam, thereby providing enhanced air and/or heat movement within, through, and away from the reticulated viscoelastic foam.
  • the viscoelastic foam used in the mattress 10 i.e., for the divider 28 and the top layer 22
  • the viscoelastic foam of the mattress 10 has a hardness of at least about 40 N and no greater than about 110 N for this purpose. In still other embodiments, the viscoelastic foam of the mattress 10 has a hardness of at least about 40 N and no greater than about 75 N.
  • the hardness of a material referred to herein is measured by exerting pressure from a plate against a sample of the material having length and width dimensions of 40 centimeters (cm) each (defining a surface area of the sample of material), and a thickness of 5 cm to a compression of 40% of an original thickness of the material at approximately room temperature (e.g., 21-23 Degrees Celsius), wherein the 40% compression is held for a set period of time following the International Organization of Standardization (ISO) 2439 hardness measuring standard.
  • ISO International Organization of Standardization
  • the viscoelastic foam used in the illustrated mattress 10 can also have a density providing a relatively high degree of material durability.
  • the density of the viscoelastic foam used in the illustrated mattress 10 can also impact other characteristics of the foam, such as the manner in which the mattress 10 responds to pressure and the feel of the foam.
  • the viscoelastic foam of the mattress 10 has a density of no less than about 30 kg/m 3 and no greater than about 175 kg/m 3 .
  • this mattress foam has a density of at least about 40 kg/m 3 and no greater than about 130 kg/m 3 .
  • this mattress foam has a density of at least about 50 kg/m 3 and no greater than about 120 kg/m 3 .
  • the top layer 22 of the mattress 10 has a top surface that also defines the top surface 12 of the mattress 10, and a bottom surface 50.
  • the top layer 22 has a length substantially equal to the length 16 of the mattress 10 and a width substantially equal to the width 18 of the mattress 10.
  • an outer perimeter of the top layer 22 is substantially equal to the outer perimeter of the mattress 10.
  • the top layer 22 may be made of any type of foam; however, particular advantages are realized in using reticulated or non-reticulated viscoelastic foam for the top layer 22, including those described above.
  • Such viscoelastic foam may have the same or similar properties as the above-described viscoelastic foam used for the divider 28, whereas in other embodiments, the top layer 22 may be made of a viscoelastic foam having different properties than that used for the divider 28.
  • the top layer 22 is secured to the bottom layer 20 by an adhesive or in any other suitable manner.
  • the top layer 22 may be removably coupled to the bottom layer 20 in any manner desired.
  • only select portions of the top layer 22 and the bottom layer 20 are secured to each other using an adhesive or other manner of attachment.
  • a mattress cover enclosing the top layer 22 and the bottom layer 20 may be used to retain the top layer 22 to the bottom layer 20 in addition to or in lieu of an adhesive, stitching, or other manners of securing.
  • the mattress 10 may alternatively include one or more additional layers of any desired material atop the top layer 22.
  • the mattress 10 may include one or more additional layers of viscoelastic foam atop the top layer 22 which, in combination with the viscoelastic foam top layer 22, reduces motion transfer or vibration between the individual body support portions 24, 26.
  • the first body support portion 24, the divider 28, and the second body support portion 26 together define an exterior perimeter that is substantially identical to the outer perimeter of the mattress 10. Therefore, a sum of the width 32 of the first body support portion 24, the width 44 of the divider 28, and the width 38 of the second body support portion 26 is equal to the width 18 of the mattress 10.
  • a mattress border at the sides, head, and/or foot of the mattress 10 can be included, such as layers of foam extending alongside the sides, head, and/or foot of the mattress 10 and secured thereto in any suitable manner.
  • FIGs. 3 and 4 illustrate another embodiment of a mattress 110 according to the present invention.
  • This embodiment employs much of the same structure and has many of the same properties as the embodiments of the mattress described above in connection with Figs. 1 and 2. Accordingly, the following description focuses primarily upon the structure and features that are different than the embodiments described above in connection with Figs. 1 and 2. Reference should be made to the description above in connection with Figs. 1 and 2 for additional information regarding the structure and features, and possible alternatives to the structure and features of the mattress 110 illustrated in Figs. 3 and 4 and described below. Structure and features of the embodiment shown in Figs. 3 and 4 that correspond to structure and features of the embodiment of Figs. 1 and 2 are designated hereinafter in the 100 series of reference numbers.
  • the mattress 110 illustrated in Figs. 3 and 4 includes a bottom layer 120 and a top layer 122, with the bottom layer 120 including a first body support portion 124 and a second body support portion 126 spaced from the first body support portion 124 by a gap 127 defining a gap width 129.
  • the gap 127 substantially isolates the first body support portion 124 and the second body support portion 126 from transfer of vibration or other motion between the first and second body support portions 124, 126.
  • vibration or other motion is not transferred or is significantly reduced from the first body support portion 124 to the second body support portion 126.
  • vibration or other motion is not transferred or is significantly reduced from the second body support portion 126 to the first body support portion 124.
  • the gap width 129 is large enough to inhibit or prevent contact between the first body support portion 124 and the second body support portion 126, or is at least large enough to prevent sufficient engagement between the first and second body support portions 124, 126 to transfer substantial vibration or other motion between the first and second body support portions 124, 126 across such engagement.
  • the gap width 129 is relatively small compared to the overall width 118 of the mattress 110 to avoid unnecessary weakening of the structural integrity of the mattress 110, and to provide sufficient support for a user atop the gap 127 of the mattress 110.
  • the gap width 129 may be between about 0.25 inches and about 1 inch. In other embodiments, the gap width 129 may be between about 0.3 inches and about 0.9 inches. In yet other embodiments, the gap width 129 may be between about 0.5 inches and about 0.75 inches.
  • the gap 127 extends along a
  • the bottom layer 120 of the mattress 110 illustrated in Figs. 3 and 4 has a first top surface 130 and a first bottom surface that can be defined by the mattress bottom surface 114. Also, the illustrated bottom layer 120 has a length substantially equal to the length 116 of the mattress 110 and a width substantially equal to the width 118 of the mattress 110.
  • the first body support portion 124, the gap 127, and the second body support portion 126 together define an exterior perimeter that is substantially identical to the outer perimeter defined by the mattress 110.
  • a sum of the width 132 of the first body support portion 124, the gap width 129, and the width 138 of the second body support portion 126 is substantially equal to the width 118 of the mattress 110.
  • the mattress 110 may alternatively include one or more additional layers of any desired material atop the top layer 122.
  • additional layer(s) are selected so as to not transfer motion or vibration between the body support portions 124, 126 as described herein.
  • the mattress 110 may include one or more additional layers of viscoelastic foam atop the top layer 122 which, in combination with the viscoelastic foam top layer 122, reduces motion transfer or vibration between the individual body support portions 124, 126.
  • FIGs. 5 and 6 illustrate another embodiment of a mattress 210 according to the present invention.
  • This embodiment employs much of the same structure and has many of the same properties as the mattress 10 described above in connection with Figs. 1 and 2. Accordingly, the following description focuses primarily upon the structure and features that are different than those described above in connection with the mattress 10 of Figs. 1 and 2. Reference should be made to the description above in connection with Figs. 1 and 2 for additional information regarding the structure and features, and possible alternatives to the structure and features of the mattress 210 illustrated in Figs. 5 and 6 and described below. Structure and features of the mattress 210 shown in Figs. 5 and 6 that correspond to structure and features of the mattress 10 of Figs. 1 and 2 are designated hereinafter in the 200 series of reference numbers.
  • each block 260 is preferably comprised of viscoelastic material and thus is resistant to the transfer of motion between body support portions 224, 226.
  • the number and/or spacing of air pockets 227' between blocks 260 can vary and thus the invention is not limited to the arrangement illustrated in Figs. 5 and 6.
  • Each block 260 is preferably secured to both of the first body support portion 224 and the second body support portion 226 using an adhesive or any other suitable manner.
  • each block 260 may only be secured to one of the body support portions 224, 226.
  • the viscoelastic blocks 260 may comprise reticulated or non-reticulated viscoelastic material, and the viscoelastic makeup of the blocks 260 within the mattress 210 can vary.
  • FIG. 7 illustrates a further embodiment of a mattress 310 according to the present invention.
  • This embodiment employs much of the same structure and has many of the same properties as the mattress 10 described above in connection with Figs. 1 and 2. Accordingly, the following description focuses primarily upon the structure and features that are different than those described above in connection with the mattress 10 of Figs. 1 and 2. Reference should be made to the description above in connection with Figs. 1 and 2 for additional information regarding the structure and features, and possible alternatives to the structure and features of the mattress 310 illustrated in Fig. 7 and described below. Structure and features of the mattress 310 shown in Fig. 7 that correspond to structure and features of the mattress 10 of Figs. 1 and 2 are designated hereinafter in the 300 series of reference numbers.
  • the mattress 310 includes a viscoelastic divider 328 having a variable width along the length of the mattress 310. So, for example, it is contemplated that the volume of motion transfer resistant material, i.e., air and/or viscoelastic material, may be greater in the center region of the mattress 310, generally designated at 362, than the head region 364 and/or foot region 366 of the mattress 320, as shown in Fig. 7.
  • the volume of motion transfer resistant material i.e., air and/or viscoelastic material

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

Un matelas, selon certains modes de réalisation de la présente invention, comprend un élément de séparation en mousse viscoélastique qui s'étend le long d'un axe longitudinal du matelas et qui est constitué d'une mousse viscoélastique, le matelas, dans ces modes de réalisation et dans d'autres, comportant une couche de mousse viscoélastique recouvrant un espace s'étendant le long d'un axe longitudinal du matelas. Le matelas peut également comprendre une première partie de soutien de corps comprenant une mousse à forte élasticité placée de manière adjacente à un premier côté de l'élément de séparation ou de l'espace, et une seconde partie de soutien de corps comprenant une mousse à forte élasticité placée de manière adjacente à un second côté de l'élément de séparation ou de l'espace de façon à isoler la seconde partie de soutien de corps par rapport à la première partie de soutien de corps.
PCT/US2012/024669 2012-02-10 2012-02-10 Matelas à transfert de mouvement réduit WO2013119250A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2012/024669 WO2013119250A1 (fr) 2012-02-10 2012-02-10 Matelas à transfert de mouvement réduit
US13/704,355 US20130205510A1 (en) 2012-02-10 2012-02-10 Mattress having reduced motion transfer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/024669 WO2013119250A1 (fr) 2012-02-10 2012-02-10 Matelas à transfert de mouvement réduit

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WO2013119250A1 true WO2013119250A1 (fr) 2013-08-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010039958A1 (de) * 2010-08-30 2012-03-01 Heinrich Essers Gmbh & Co. Kg Matratze mit einem Abstandstextil

Citations (4)

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KR200353542Y1 (ko) * 2004-03-04 2004-06-22 주식회사 팜코리아 이종 매트리스를 갖는 침대
US20050066446A1 (en) * 2003-09-26 2005-03-31 Gladney Richard F. Mattress center ridge compensator
US20050210595A1 (en) * 2004-03-23 2005-09-29 Di Stasio Anthony A Mattress having reticulated viscoelastic foam
KR20110026774A (ko) * 2009-09-08 2011-03-16 임영일 침대 매트리스

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Publication number Priority date Publication date Assignee Title
US2651788A (en) * 1950-05-09 1953-09-15 Taylor Bedding Mfg Co Mattress
US3308492A (en) * 1965-12-28 1967-03-14 Henry H Lovette Reclining or sleeping equipment
GB2290256B (en) * 1994-06-03 1997-10-29 Fagerdala World Foams Ab Laminated supports

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050066446A1 (en) * 2003-09-26 2005-03-31 Gladney Richard F. Mattress center ridge compensator
KR200353542Y1 (ko) * 2004-03-04 2004-06-22 주식회사 팜코리아 이종 매트리스를 갖는 침대
US20050210595A1 (en) * 2004-03-23 2005-09-29 Di Stasio Anthony A Mattress having reticulated viscoelastic foam
KR20110026774A (ko) * 2009-09-08 2011-03-16 임영일 침대 매트리스

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