EP2929813B1 - Matratze aus polyurethanmaterial mit belüftungseinschnitten - Google Patents

Matratze aus polyurethanmaterial mit belüftungseinschnitten Download PDF

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Publication number
EP2929813B1
EP2929813B1 EP15153096.1A EP15153096A EP2929813B1 EP 2929813 B1 EP2929813 B1 EP 2929813B1 EP 15153096 A EP15153096 A EP 15153096A EP 2929813 B1 EP2929813 B1 EP 2929813B1
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EP
European Patent Office
Prior art keywords
layer
incisions
mattress
per
cushion
Prior art date
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Application number
EP15153096.1A
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English (en)
French (fr)
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EP2929813A1 (de
Inventor
Antonio Caso
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.)
Materassificio Montalese SpA
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Materassificio Montalese SpA
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    • 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
    • A47C27/142Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
    • 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

Definitions

  • the present invention refers to the technical field relative to mattresses for rest, as well as cushions, seats and the like.
  • the invention refers to an innovative layer 1 suitable for forming a mattress, or a cushion or a seat in general, of a pouring material such as polyurethane, polyurethane foams, latex and the like and provided with particular aeration incisions.
  • a pouring material such as polyurethane, polyurethane foams, latex and the like and provided with particular aeration incisions.
  • the productive process foresees the pouring in a mould of a pre-determined quantity of fluid, for example of the polyurethane type, which, following the reaction, expands in the mould, filling its volume and thus forming the body of the mattress itself.
  • a pre-determined quantity of fluid for example of the polyurethane type
  • the punches penetrate in the mattress, realising an asportation of material and therefore creating a plurality of circular aeration holes.
  • the incisions are distributed in such a way as to form lines on the surface of the mattress, parallel between them and each line foresees a plurality of incisions spaced one from the other of a pre-determined quantity. There exists also a distance of pitch between a line and the subsequent one placed in parallel and with the lines staggered between them in an alternate manner.
  • the mattress is generally tensed with a traction (T) that is directed in an orthogonal manner to the line of development of the incisions in such a way that the incisions open in correspondence of a linear expansion of the mattress in the direction of such a traction (T).
  • T traction
  • the mattress is blocked in the embodiment of traction through the application of a superior layer that is glued to the mattress, binding it to keep such a tensed position with the incisions open.
  • incisions of very small size do not allow to hold a big volume of air down, therefore reducing significantly the aeration effect, while very long incisions and/or incisions that are wrongly arranged with respect to the others can increase the volume of air kept but risk to weaken excessively the mattress, causing possible tears thereof when tensed.
  • the layer 1 comprises a plurality of incisions (10) passing through its entire thickness and arranged in succession one after the other along the direction of development of the incision. They are placed at intervals between them of a distance (dx) and form at least a line (20, 30) of incisions, preferably two or more lines of incisions parallel between them and spaced one from the other of a pitch (dy).
  • the length (L) of each incision can be comprised within a range between 8 cm and 20 cm, preferably between 10 cm and 20 cm and better still between 15 cm and 20 cm, for example 18 cm.
  • the distance (dx) between an incision and the subsequent one, in the line can instead be comprised within a range between 4 cm and 10 cm, preferably between 5 cm and 8 cm, for example 6 cm.
  • figure 1 shows a layer 1 of a pouring material in mould, such as polyurethane, polyurethane foams, latex and the like.
  • the polyurethane material can be of any type, for example "memory form” or anyway any other type of viscoelastic polyurethane of different densities and lifts.
  • the polyurethane material is, per sé , well known in the state of the art and is not the object of the present application, therefore it will not be further described in detail here.
  • the layer 1 can geometrically be of any shape and size, comprised the thickness, the length and the width.
  • the layer 1 forms a superior surface 2 and an inferior surface 3 spaced one from the other through the thickness of the layer itself.
  • the layer 1 of a predetermined length and width, foresees a plurality of incisions distributed on its surface and passing through its entire thickness.
  • incisions when realized, are made with a sort of thin blade so that the incision in fact remains closed on itself.
  • the incisions are capable of opening as soon as a traction is applied in an orthogonal or substantially orthogonal direction to the direction of formation of the incision itself since the two edge get far one from the other.
  • figure 2 shows, precisely, in a top view, such a layer of material which is provided with said plurality of incisions 10.
  • the same solution of figure 2 shows a traction T applied to the two opposite sides of the layer in an orthogonal direction to that of development of the incision.
  • the layer 1 extends and the size of its sides 4 increases through an opening of the incisions that thus form passing passages for the air through the entire thickness of the layer itself.
  • figure 2 shows the incisions that are arranged according to rows parallel between them.
  • figure 2 shows two rows 20 and 30 of incisions parallel between them and taken as a reference.
  • the lines of incisions are offset between them of a pre-determined quantity (Dx).
  • the line 20 is offset with respect to the line 30 so that an incision of the line 20 is not found exactly overlapped to the incision of the line 30 but they result between them only partially overlapped or not overlapped (according to the sizes of incisions and distances between an incision and the subsequent one).
  • This type of offsetting is generally, but not necessarily, kept constant between a line and the other one in an alternate manner.
  • a line for example line 30, is made of incisions entirely contained within the surface 2 in such a way as to leave a margin of full material between the two incisions that are nearer to the sides 4 of the surface.
  • the overlying line and the underlying one are instead offset of such a quantity Dx in such a way that the last incisions intercept the sides 4 (or at least that an incision intercept a side 4) .
  • the length (L) of the slot can be comprised within a range between 8 cm and 20 cm, preferably between 10 cm and 20 cm and better still between 15 cm and 20 cm.
  • the incision comprised within said range between 10 cm and 20 cm, in particular that comprised between 15 cm and 20 cm, allows to optimize the volume of air trapped in the slots, following traction, without creating an excessive weakening.
  • the alternate offsetting Dx in the direction of the lines (20, 30) there is at least a slot of end that falls on the side 4 and that is alternated with a slot that does not fall on the side 4. In this way, an optimization on the expansion of the layer 1 is obtained, without risking tears and with an optimized aeration effect.
  • the offsetting distance Dx of the lines is generally fixed as half of the length L of incision selected.
  • the distance (dx) in a line of incisions, between an incision and the subsequent one, can be comprised within a range between 4 cm and 10 cm, preferably between 5 cm and 8 cm.
  • a particularly optimal measure for the present aims is for example of 6 cm.
  • the optimal distance (dx) of 6 cm, with incisions of a length of about is cm and an offsetting Dx equal to the half of the length L (therefore 9 cm) allows to optimize the results.
  • the distance (dy) between a line of incisions and the subsequent one can be variable.
  • the pitch can be selected on the basis of the material used and of the extension that wants to be obtained, always up to the limit in which the product is not weakened,
  • a pitch (dry) that can be used as a good compromise is comprised within a range between 3 cm and 5 cm, preferably from 4 cm to 5 cm and better still of 4 cm or 4,5 cm.
  • the layer of figure 1 can be assembled in different ways in order to form a mattress or a cushion or anyway a surface on which to extend the body or parts of the body.
  • the layer 1 is interposed between a superior layer 60 and an inferior layer 60 whose aim is that of keeping in position of traction, with the incisions open, the intermediate layer 1.
  • the layer 60 (for example by glueing) is fixed, for example, to the surface 2.
  • the layer 60 has to be a surface that corresponds to that of the layer 1 tensed and such a rigidness as to impede the layer 1 to have an elastic return to the rest position. In this manner, the conformation with the incisions expanded is kept.
  • the material of the layer 60 can be the same polyurethane. By modifying the thicknesses and sizes of the layer 60 it can be obtained that it obliges to a permanent tension state, with the slots open, the layer 1 when glued on it.
  • the layer 60 itself can, in turn, be provided with a plurality of holes for the aeration.
  • the same layer 60 is applied, also to the opposite face 3.

Claims (10)

  1. Eine Schicht (1) eines Materials zum Eingießen in eine Form, wie z. B. Polyurethan, Polyurethanschaum, Latex u. ä. zur Formung einer Matratze, wobei die genannte Schicht über mehrere Einschnitte verfügt (10), die durch ihren gesamten Durchmesser verlaufen und entlang der Einschnitte nacheinander und in Abschnitten von (dx) verlaufen, dass sie zumindest eine Linie von Einschnitten bilden (20, 30), vorzugsweise zwei oder drei parallele Linien von Einschnitte mit einem Abstand (dy) dazwischen, sodass sich die Schnitte unter Einwirkung von Zugkraft (T) an der Schicht (1) wesentlich orthogonal zur genannten Linie (20, 30) der Einschnitte öffnen und jeweils vorübergehend eine Öffnung bilden, wobei jeder Einschnitt eine festgelegte Länge (L) hat, dadurch gekennzeichnet, dass jede Länge (L) eines Einschnitts im Bereich von 8 cm und 20 cm liegt, vorzugsweise zwischen 10 cm und 20 cm, am besten zwischen 15 cm und 20 cm, z. B. 18 cm, die genannten Abstände, sich die Distanz (dx) zwischen den Einschnitten (10) in einem Bereich von 4 cm und 10 cm, vorzugsweise zwischen 5 cm und 8 cm, z. B. 6 cm befinden.
  2. Eine Schicht (1) gemäß Anspruch 1, wobei im Falle von zwei oder mehreren Linien von Schnitten der Abschnitt (dy) im Bereich zwischen 3 cm und 5 cm, vorzugsweise 4 cm, liegt.
  3. Eine Schicht (1) gemäß Anspruch 2, wobei der Ausgleich (Dx) zwischen den Linien (10, 20) der Hälfte der Länge (L) der Einschnitte entspricht.
  4. Eine Schicht (1) gemäß einer oder mehrerer vorangehenden Ansprüche, wobei die Schicht (1) aus Polyurethan besteht.
  5. Eine Matratze oder ein Kissen mit einer Schicht (1) gemäß einem oder mehrerer der vorangehenden Ansprüche 1 bis 4.
  6. Eine Matratze oder ein Kissen gemäß Anspruch 5, wobei mindestens eine Schicht (60) vorgesehen ist, an die Schicht (1) derart befestigt, dass die Schicht (1) fest in einer Form bleibt, in der die Einschnitte offen sind.
  7. Eine Matratze oder ein Kissen gemäß Anspruch 6, wobei eine weitere vorgesehene Schicht (60) an der anderen Seite der Schicht (1) befestigt derart befestigt ist, dass sich die Schicht (1) zwischen den beiden Schichten (60) befindet.
  8. Eine Matratze oder ein Kissen gemäß den Ansprüchen 6 oder 7, wobei die Schicht (60) aus Polyurethan besteht.
  9. Eine Matratze oder ein Kissen gemäß einer oder mehrerer der vorangehenden Ansprüche 6 bis 8, wobei die Schicht (60) mehrere Löcher zum Zweck der Belüftung enthält.
  10. Eine Matratze oder ein Kissen gemäß einem oder mehrerer der vorangehenden Ansprüche 5 bis 9, wobei die Schicht (1) an der Oberfläche einer Federkernmatratze befestigt ist, vorzugsweise an der Oberfläche, auf der der Nutzer liegt, und zwar derart, dass die Einschnitte offen sind.
EP15153096.1A 2014-04-07 2015-01-29 Matratze aus polyurethanmaterial mit belüftungseinschnitten Active EP2929813B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITFI2014U000016U ITFI20140016U1 (it) 2014-04-07 2014-04-07 Un materasso in materiale poliuretanico provvisto di intagli di aereazione.

Publications (2)

Publication Number Publication Date
EP2929813A1 EP2929813A1 (de) 2015-10-14
EP2929813B1 true EP2929813B1 (de) 2016-08-17

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Application Number Title Priority Date Filing Date
EP15153096.1A Active EP2929813B1 (de) 2014-04-07 2015-01-29 Matratze aus polyurethanmaterial mit belüftungseinschnitten

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EP (1) EP2929813B1 (de)
ES (1) ES2603784T3 (de)
IT (1) ITFI20140016U1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101640915B1 (ko) * 2015-03-18 2016-07-20 허봉락 신축 및 확장이 유지되는 탄성매트 및 그의 제조방법
JP6364397B2 (ja) * 2015-11-02 2018-07-25 株式会社プラッツ マットレス
CN106510292A (zh) * 2016-11-07 2017-03-22 四川唯诺家私有限公司 一种应用于沙发的棉垫层结构
JP6901778B2 (ja) * 2018-08-31 2021-07-14 株式会社タイカ クッション材
US11744383B2 (en) * 2020-07-22 2023-09-05 Bed Patent Holdings Limited Liability Company Mattress

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1263758A (fr) * 1955-07-21 1961-06-19 Perfectionnements aux couches d'appui cellulaires souples pour la confection de matelas, coussins, dessus de siège et produits obtenus à partir de ces couches
DE1727445U (de) * 1956-03-14 1956-08-02 Wilhelm Dr Scheermesser Profilierte platte aus schaumstoff.
US5705252A (en) * 1995-01-05 1998-01-06 Cascade Designs, Inc. Expanded foam products and methods for producing the same
DE202007008971U1 (de) * 2007-06-27 2008-11-06 Weber, Erhard, Dr. Abstandshalter aus Schaumstoff zur Füllung von Matratzenkernen, Polsterungen und Kissen

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EP2929813A1 (de) 2015-10-14
ITFI20140016U1 (it) 2015-10-07
ES2603784T3 (es) 2017-03-01

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