EP1430814B1 - Polsterteil und Verfahren zu dessen Herstellung - Google Patents

Polsterteil und Verfahren zu dessen Herstellung Download PDF

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Publication number
EP1430814B1
EP1430814B1 EP03027619A EP03027619A EP1430814B1 EP 1430814 B1 EP1430814 B1 EP 1430814B1 EP 03027619 A EP03027619 A EP 03027619A EP 03027619 A EP03027619 A EP 03027619A EP 1430814 B1 EP1430814 B1 EP 1430814B1
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EP
European Patent Office
Prior art keywords
layer
viscoelastic
elastic
elastic layer
upholstery element
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.)
Expired - Lifetime
Application number
EP03027619A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1430814A1 (de
Inventor
Antonio Piccinini
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.)
New Wind Srl
Original Assignee
New Wind Srl
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
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Application filed by New Wind Srl filed Critical New Wind Srl
Publication of EP1430814A1 publication Critical patent/EP1430814A1/de
Application granted granted Critical
Publication of EP1430814B1 publication Critical patent/EP1430814B1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
    • 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 above invention relates to a cushioning member, and a method for its production.
  • a padded piece of synthetic material e.g. made of a polyurethane material.
  • the above invention relates to a cushion part for the manufacture of mattresses, which are very comfortable and durable and where the consumers have found favor.
  • the conventional plastic padding usually comprises a layer of elastic material in combination with a layer of viscoelastic material.
  • viscoelastic material results in considerable comfort as it has some shape memory characteristics and has a deformation when the body rests on the mattress with little influence on the body of the user and returns to its original shape upon leaving the mattress by the user . Furthermore, viscoelastic materials are sensitive to heat and also deform when exposed to the body heat of the user, a fact which leads to further comfort for the user.
  • the conventional upholstery in plan view two layers with the same dimensions and these layers are formed of elastic material and viscoelastic material, wherein the two layers are interconnected by a further adhesive layer.
  • the conventional upholstery has many drawbacks, which are mainly seen in the fact that the adhesive layer over time, an aging process learns and leads to a hardening of the adhesive and to dissolve the glued together layers.
  • the Japanese patent application JP-A-11 18867 can be taken from a seat or backrest part for a chair.
  • Each of these components consists of a flat base plate on which a coating of urethane is foamed, this first coating receives a second gelatinous coating and the body thus formed is placed in a thin sheath to create a seat or backrest part for a chair ,
  • the known components are finished using an adhesive and have, by providing a support plate, a rigid in the surface structure.
  • French patent application FR-A-2816187 can be taken from a car seat whose body is made of foamed plastic, this body is covered by a textile coating.
  • the method is suitable for the production of smaller components, wherein after completion of the seat part, a peripheral separation of the protruding edges of the coating consisting of textile material is necessary.
  • Another object of the invention is to provide a cushioning member in which the mutually interconnected surfaces of the elastic layer and the viscoelastic layer do not have particularly elaborate shapes, e.g. under the provision of numerous protruding parts and / or recesses with undercut.
  • the provision of very complicated shaping for the layers to be joined involves the risk that the finished mattress will have less bearing surfaces, e.g. in accordance with the user's shoulders, ankles or kidney area.
  • the pad part has two or more Partfumbleen with different shape, so as to give these sub-areas different carrying capacity.
  • the viscoelastic layer has edge regions which at least partially cover the side regions of the elastic layer or vice versa.
  • the elastic layer and the viscoelastic layer consist essentially of a polyurethane material, and the cushion part is used to create a mattress.
  • the above invention further relates to a method for producing a cushion part according to claim 6.
  • the cushioning member by introducing into the mold the elastic material and foaming by means of a viscoelastic material or vice versa, ie by introducing viscoelastic material into the mold and completing the foaming process by means of elastic material ,
  • the viscoelastic material is injected on a front side of a wall or in correspondence with the side edges of the elastic layer.
  • the viscoelastic material is introduced not only at the top and laterally in the mold, but also at the bottom of the elastic layer or vice versa.
  • FIG. 1 a cushion part is shown, which is marked overall with 1.
  • the poster part 1 has an elastic layer 2 and a viscoelastic layer 3; the layers 2, 3 are connected to each other in correspondence with opposite inner surfaces 4.
  • the elastic layer 2 and the viscoelastic layer 3 are directly connected to each other, without an adhesive for this connection process use.
  • the part 1 in a preferred embodiment, two or more different deformations 15,16, thereby to give the respective sections different support functions.
  • the different shaping can be provided by provision of projecting parts 5 and receding parts 6 of different dimensions in each section 15,16.
  • the double advantage is achieved that the surface of the cushion part 1 appears to be very uniform when touched, as desired by the end user.
  • FIG. 14 an embodiment is shown in which the elastic layer 2 is embedded in the viscoelastic layer 3.
  • FIG. 13 shows a non-inventive cushion part, in which the elastic layer 2, which is embedded in the viscoelastic layer 3, consists of a component with spring cores.
  • the elastic layer can also be produced by means of other production methods and optionally embedded in the viscoelastic layer or can not be embedded.
  • the elastic layer and the viscoelastic layer are produced using a polyurethane material. It is obvious that other plastic materials can be used, which have sufficient chemical Adesion, as soon as the viscoelastic layer is foamed onto the material of the elastic layer.
  • the cushioning member preferably consists of a cushion for a mattress, but according to other embodiments it is also possible to use the cushioning member as a seat or back upholstery for sofas, armchairs or chairs, or as pillows or sanitary products, wheelchair seating and kidney supports or anti-wound coating.
  • the above invention also relates to a method of manufacturing the cushioning member.
  • the method proposes to place a layer of elastic material 2 in the interior of a mold and to foam this mold with viscoelastic material in order to embed the upholstery part without the use of adhesives.
  • the viscoelastic material is injected on a front wall as well as on sidewalls of the elastic layer so as to provide edge regions 7 which have the task of securing and protecting the elastic layer 2 in a desired position.
  • the viscoelastic material is foamed only in correspondence with a front side of the elastic layer, whereas in other embodiments the elastic layer becomes embedded in the viscoelastic material.
  • the elastic layer 2 and the viscoelastic layer 3 of polyuretane are advantageousously, the elastic layer 2 and the viscoelastic layer 3 of polyuretane.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Laminated Bodies (AREA)
  • Materials For Medical Uses (AREA)
  • Details Of Garments (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Bedding Items (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Glass Compositions (AREA)
EP03027619A 2002-12-17 2003-12-02 Polsterteil und Verfahren zu dessen Herstellung Expired - Lifetime EP1430814B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20022651 2002-12-17
IT002651A ITMI20022651A1 (it) 2002-12-17 2002-12-17 Elemento di imbottitura e procedimento per la sua realizzazione.

Publications (2)

Publication Number Publication Date
EP1430814A1 EP1430814A1 (de) 2004-06-23
EP1430814B1 true EP1430814B1 (de) 2008-06-25

Family

ID=32375547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03027619A Expired - Lifetime EP1430814B1 (de) 2002-12-17 2003-12-02 Polsterteil und Verfahren zu dessen Herstellung

Country Status (7)

Country Link
EP (1) EP1430814B1 (it)
AT (1) ATE398950T1 (it)
DE (1) DE50310033D1 (it)
DK (1) DK1430814T3 (it)
ES (1) ES2309270T3 (it)
IT (1) ITMI20022651A1 (it)
PT (1) PT1430814E (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7707670B2 (en) 2003-10-14 2010-05-04 Tempur-Pedic Management, Inc. Pillow top for a cushion
US8025964B2 (en) 1994-06-03 2011-09-27 Tempur World, Llc Laminated visco-elastic support
US8418297B2 (en) 2005-06-24 2013-04-16 Tempur-Pedic Management, Llc Reticulated material body support and method

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006009902U1 (de) * 2006-06-22 2006-09-07 Recticel Schlafkomfort Gmbh Matratze
ES2326250B1 (es) * 2007-11-15 2010-06-01 Taexpa, S.L. Sistema de amortiguacion direccionable para cuerpos receptores de presiones o impactos.
CN104768427B (zh) 2012-07-27 2019-06-28 泰普尔-派迪克管理有限责任公司 具有多层相变材料的身体支撑垫
EP3024637B1 (en) * 2013-07-23 2019-01-02 Anomaly Action Sports S.R.L. Composite element for protection devices of parts of the human body and production method therefor
FR3114951B1 (fr) * 2020-10-08 2023-10-27 Ergoptimiz Surmatelas agrandisseur de literie

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1118867A (ja) * 1997-06-30 1999-01-26 Takara Belmont Co Ltd 椅子およびその製造方法
FR2818187A1 (fr) * 2000-12-20 2002-06-21 Cera Procede de fabrication d'un element de siege et element de siege ainsi fabrique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749111A (en) * 1996-02-14 1998-05-12 Teksource, Lc Gelatinous cushions with buckling columns
JP2975894B2 (ja) * 1996-07-12 1999-11-10 難波プレス工業株式会社 表皮付き多層異硬度座席およびその製造方法
GB2346553B (en) * 2000-04-29 2001-01-10 Sareo Healthcare Ltd A mattress

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1118867A (ja) * 1997-06-30 1999-01-26 Takara Belmont Co Ltd 椅子およびその製造方法
FR2818187A1 (fr) * 2000-12-20 2002-06-21 Cera Procede de fabrication d'un element de siege et element de siege ainsi fabrique

Cited By (4)

* 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
US8034445B2 (en) 1994-06-03 2011-10-11 Tempur-Pedic Management, Inc. Laminated visco-elastic support
US7707670B2 (en) 2003-10-14 2010-05-04 Tempur-Pedic Management, Inc. Pillow top for a cushion
US8418297B2 (en) 2005-06-24 2013-04-16 Tempur-Pedic Management, Llc Reticulated material body support and method

Also Published As

Publication number Publication date
DK1430814T3 (da) 2008-11-03
ES2309270T3 (es) 2008-12-16
PT1430814E (pt) 2008-10-08
ITMI20022651A1 (it) 2004-06-18
ATE398950T1 (de) 2008-07-15
DE50310033D1 (de) 2008-08-07
EP1430814A1 (de) 2004-06-23

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