EP0089789A1 - Verfahren zum Herstellen von elastischen Artikeln und daraus hergestellte Matratzen - Google Patents

Verfahren zum Herstellen von elastischen Artikeln und daraus hergestellte Matratzen Download PDF

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Publication number
EP0089789A1
EP0089789A1 EP83301324A EP83301324A EP0089789A1 EP 0089789 A1 EP0089789 A1 EP 0089789A1 EP 83301324 A EP83301324 A EP 83301324A EP 83301324 A EP83301324 A EP 83301324A EP 0089789 A1 EP0089789 A1 EP 0089789A1
Authority
EP
European Patent Office
Prior art keywords
elastic
article
elements
articles
strip elements
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.)
Granted
Application number
EP83301324A
Other languages
English (en)
French (fr)
Other versions
EP0089789B1 (de
Inventor
Luigi Santarini
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.)
Permaflex SpA
Original Assignee
Permaflex SpA
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 Permaflex SpA filed Critical Permaflex SpA
Priority to AT83301324T priority Critical patent/ATE25232T1/de
Publication of EP0089789A1 publication Critical patent/EP0089789A1/de
Application granted granted Critical
Publication of EP0089789B1 publication Critical patent/EP0089789B1/de
Expired 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
    • A47C27/06—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
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/062—Spring inlays of different resiliencies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery

Definitions

  • the present invention relates to a method of producing elastic articles and also such elastic articles which are suitable for use in the manufacture of matresses or other similar upholstered articles.
  • Elastic articles may be produced from a plurality of elongate strip elements each of which includes a series of pockets in which a spring is received.
  • the pockets are closed-off at their upper and lower ends.
  • the present invention provides a method of producing an elastic article from a plurality of elongate strip elements each defining a series of pockets having closed upper and lower ends, and having a spring received in each said pocket, characterized in that the method includes the steps of assembling said plurality of elongate strip elements in side-by-side configuration, adhering a respective flexible layer to the upper and lower ends of said assembled elements to hold them together, and dividing said assembled elements transverse to said elongate direction to produce said elastic articles, wherein the property of elastic resilience and/or the transverse separation of the elements is such that the property of elastic resilience varies across the article transverse of said elongate direction with the lowest yielding quality towards the centre of the article.
  • the invention also provides a method of producing an elastic article from a plurality of part articles, each part article being produced from a plurality of elongate strip elements each defining a series of pockets having closed upper and lower ends, and having a spring received in each said pocket, characterized in that the method includes the steps of assembling said plurality of elongate strip elements in side-by-side configuration, adhering a respective flexible layer to the upper and lower ends of said assembled elements to hold them together, and dividing said assembled elements transverse to said elongate direction to produce substantially rectangular elastic part articles, and assembling a plurality of said part articles in coplanar arrangement such that the adjacent part articles in at least one direction have different properties of elastic resilience.
  • the invention also includes a mattress formed from an elastic article produced by a method as defined above.
  • a continuous elongate strip element is used a a starting article to produce the mattress structures.
  • The.strip element includes a mainly woven portion which defines pockets 1, inside which helical springs 3 are inserted. The springs are then held in the pockets 1 by closing - by sewing or otherwise - the longitudinal flaps 5 of the pockets until something in the manner of an upper flexible rib is constituted. Thus the pockets are closed at both upper and lower ends.
  • an elastic structure is made up of a plurality of pieces of the above-mentioned element, denoted by 7 in Figs. 10 to 12, placed side-by-side and joined at the top and bottom by two continuous flexible layers 9 and 10, which are glued to the upper and lower ends of the pockets 1, to provide a continuous connection.
  • Layers 9 and 10 may be of any material and design, to afford flexibility and resistance.
  • these layers 9 and 10 may be made of fabrics of varying degrees of thickness e.g., netting, knitted fabrics, non-woven fabrics (i.e. of layers of fibres which are not arranged in particular order or spun, which are made to adhere together by felting with., if required, dressing and sizing), or of other suitable materials, which may have varying consistency and elasticity.
  • a continuous method is adopted.
  • a desired number of continuous elongate strip elements of the type shown in Fig. 9 are fed so that they lie side-by-side in a plane in which the pockets 1 and therefore the springs 3 of the various elements are aligned perpendicular to the plane.
  • these continuous elements 17 are guided in this side-by-side configuration until they are placed in between two strips of the material intended to form layers 9 and 10, which strips are denoted by 19 and 20 and are shown as originating from reels A19 and A20.
  • the strips of material 19 and 20 are provided with adhesive on the surface to be brought alongside the elements 17 in such a manner that, when the two strips of material 19 and 20 are placed adjacent the opposite ends of the assembled elongate strip elements 17 they adhere and become joined to said elements 17, forming a continuous article.
  • Elastic articles may be produced from this continuous article by means of successive transverse cuts.
  • a manufactured elastic article 101 for use in producing a mattress is made up of parallel rows of elongate strip elements with incorporated springs which extend over the entire length or at any rate for the entirety of one of the two principal dimensions of the manufactured article.
  • the springs in each strip element possess the same characteristics of elasticity, dimensioning and separation.
  • the strip elements of the various rows are denoted by the letters A, B, C,...H with an arrangement symmetrical about the centre line in the direction of the rows.
  • the two elements A are the two outer ones and the element H is the central one.
  • the outermost elements starting at least from B, are more yielding than the inner ones and the most central ones may have the same characteristics for a strip comprising a predetermined number of rows.
  • the elements making up the central rows have characteristics of greater resistance to compression and deformation relative to the outer ones.
  • a mattress must normally be more resistant to compression in the central area than in the peripheral area; considered in plan.
  • a variation may be produced also by means of a variation in the transverse separation between adjacent rows.
  • the variation of characteristics may be continuous for the various elements A, B, C, ... H, ....C, B, A, or such a variation may be discontinous, by providing groups of rows of strip elements side-by-side, the various elements of which each have the same elasticity characterisics, and the groups in a progressively outward movement from the centre having characteristics of greater yielding.
  • Fig. 2 shows an elastic article in which the concepts set out above may be implemented, but with the addition of variation of the elastic characteristics in a longitudinal direction in addition to a transverse direction.
  • the elongate strip elements with their incorporated springs extend in the direction indicated by the double arrow f102, and the article is made up of several part articles 103 to 119.
  • the part article 103 may be constructed in such a manner as to have maximum resistance to compression deformation; two articles 105 and 107 situated alongside 103 in a. transverse direction may have a suppleness greater than that of article 103; the part articles 111, 113, and 117 and 119 at the corners may have even greater suppleness, i.e.. maximum supplness; part articles 109 and 115 may have intermediate suppleness which may correspond, for example, to that of articles 105 and 107.
  • part articles 105, 103 and 107 may have the same characteristics-of elasticity of lesser suppleness relative to that of the other articles which may have, relative to one another the same or different degreesof suppleness.
  • Figs. 3 and 4 an elastic article construction is shown which is formed of two layers, each of which is made up of three part articles.
  • 201, 203, and 205 denote three part articles in which the elongate strip elements may extend perpendicular or parallel to the adjacent edges of the side-by-side part articles.
  • the part article 203 has a resilient suppleness smaller than that of the part articles 201 and 205.
  • a second layer of part articles is constituted by three longitudinal part articles 207, 209 and 211, the adjacent edges of which are perpendicular to those of the adjacent edges of part.articles 201, 203, 205.
  • Part articles 207 may have a suppleness smaller than that of elements 209 and 211.
  • the rows of elongate strip elements in these part articles are parallel to their adjacent edges.
  • connection of the adjacent part articles may be achieved with connection layers extending throughout the area of the article, or partly, along adjacent areas.
  • the adjacent part articles may be joined with the same connection layers provided for the adjacent strip elements which constitute the various part articles.
  • Fig. 5 and 6 show an article of mattress type which is made up of two part articles, one of which 301 has the strip elements extending in the direction of the arrow f301, while the other part article 305 has the strip elements extending in the direction of the arrow f305, i.e., perpendicular to the direction of the elements of the part article 301.
  • Each of the two part articles 301, 305 may be made up with elongate strip elements with incorporated springs which have continuously or discontinuously varying characteristics between the centre area and the peripheral areas. This variation is obtainable in part by variations of distance between centre lines of the elements. In this way there is obtained a variation of characteristics between the centre of the article and each of the sides.
  • Figure 7 shows by means of two diagrams the approximate variation of rigidity in the longitudinal and transverse direction for the article of Figures 5 and 6, which variation is seen to be continuous.
  • Fig. 8 shows a double diagram which shows discontinuous variations, such as may be obtained in an article like that of Fig. 3.
  • the two diagrams of Figure 8 refer to the variation of rigidity along two perpendicular sections, longitudinal and transverse.
  • the elongate strip elements which are arranged along the edges of the article should have springs less yielding than those of the adjacent members, as shown in the diagrams of Figs, 7 and 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Springs (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Nonwoven Fabrics (AREA)
EP83301324A 1982-03-17 1983-03-10 Verfahren zum Herstellen von elastischen Artikeln und daraus hergestellte Matratzen Expired EP0089789B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83301324T ATE25232T1 (de) 1982-03-17 1983-03-10 Verfahren zum herstellen von elastischen artikeln und daraus hergestellte matratzen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT09361/82A IT1192390B (it) 1982-03-17 1982-03-17 Procedimento per la produzione di manufatti elastici per la formazione di materassi od altro,e materassi con tale procedimento realizzati
IT936182 1982-03-17

Publications (2)

Publication Number Publication Date
EP0089789A1 true EP0089789A1 (de) 1983-09-28
EP0089789B1 EP0089789B1 (de) 1987-01-28

Family

ID=11128983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83301324A Expired EP0089789B1 (de) 1982-03-17 1983-03-10 Verfahren zum Herstellen von elastischen Artikeln und daraus hergestellte Matratzen

Country Status (5)

Country Link
EP (1) EP0089789B1 (de)
AT (1) ATE25232T1 (de)
CA (1) CA1194621A (de)
DE (1) DE3369500D1 (de)
IT (1) IT1192390B (de)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154076A2 (de) * 1984-03-09 1985-09-11 Simmons Company Konstruktion eines Federkerns
EP0421496A1 (de) * 1989-10-05 1991-04-10 B'linea Innenfedergefüge für Matratze, Kissen und dergleichen, und Verfahren zu seiner Herstellung
GB2227654B (en) * 1989-02-07 1993-05-05 Nelsons Machine for assembling upholstery springs into an upholstery unit
WO1994007395A1 (en) * 1992-10-01 1994-04-14 Dias Magalhaes Queiroz Joao Ro Elastic elements and their respective components, manufactured by injection in plastic material, non-metallic, to be used in mattress, chair or other purpose
EP0624545A1 (de) * 1993-05-14 1994-11-17 Toledo Fjederindlaeg A/S Verfahren zum Herstellen eines Federeinsatzes
WO1996036258A1 (en) * 1995-05-15 1996-11-21 Sleepyhead Manufacturing Company Limited Securement of flexible sheet material
US5669093A (en) * 1996-07-17 1997-09-23 L & P Property Management Company Pocketed coil spring assembly
FR2747118A1 (fr) * 1996-04-09 1997-10-10 Oniris Sa Procede de fabrication d'un matelas a ressorts ensaches et matelas obtenu par ledit procede
EP0828445A1 (de) * 1995-05-10 1998-03-18 Simmons Company Matratze mit verschiedenen härtegraden
EP0941962A1 (de) * 1998-03-10 1999-09-15 Matsushita Industrial Co. Ltd. Federkern für Möbel oder Matratzen und Verfahren zur dessen Herstellung
US5957438A (en) * 1998-02-04 1999-09-28 L&P Property Management Company Spring retainer assembly
US6036181A (en) * 1998-02-04 2000-03-14 L&L Property Management Company Spring assembly
US6159319A (en) * 1996-04-29 2000-12-12 L&P Property Management Company Method and apparatus for forming pocketed coil spring mattresses
US6173464B1 (en) 1999-05-07 2001-01-16 L&P Property Management Company Pocketed bedding or seating product
US6175997B1 (en) 1998-01-22 2001-01-23 L&P Property Management Company Pocketed coil spring mattress cores
US6272706B1 (en) 1999-02-05 2001-08-14 L&P Property Management Company Bedding or seating product having bands of springs
US6295673B1 (en) 1998-07-24 2001-10-02 L & P Property Management Company Reinforced pocketed spring assembly
US6374442B1 (en) 2000-01-28 2002-04-23 L&P Property Management Co. Pocketed coil spring unit with combination of top and bottom sheets and inter-row bonding
WO2002044077A1 (en) * 2000-11-30 2002-06-06 Stjernfjädrar Ab Separated pocket spring mattress
US6574811B1 (en) 1998-07-24 2003-06-10 L & P Property Management Company Pocketed spring assembly and associated method
WO2003096847A1 (en) * 2002-05-17 2003-11-27 Springform Technology Limited A coil spring assembly
US6829798B2 (en) 2003-01-08 2004-12-14 L&P Property Management Company Low density pocketed spring assembly and method of manufacture
EP1499216A1 (de) * 2003-01-07 2005-01-26 Ace Bed Co., Ltd. Struktur eines sprungfedersatzes für matratzen und herstellungsverfahren dafür
WO2005085123A1 (en) * 2004-03-04 2005-09-15 A Harrison (Bedding) Limited Pocketted spring units
WO2015114361A1 (en) * 2014-01-30 2015-08-06 Harrison Spinks Components Limited Pocketed spring unit and method and apparatus for forming the same
US20180072559A9 (en) * 2005-09-17 2018-03-15 A Harrison (Bedding) Limited Method and Apparatus for the Production of a Pocketed Spring Unit
CN108697243A (zh) * 2016-02-10 2018-10-23 Hs产品有限公司 弹性单元以及制造方法
GB2565197A (en) * 2017-05-31 2019-02-06 Hs Products Ltd Pocketed spring unit and method of manufacture
DE102017117833A1 (de) * 2017-08-07 2019-02-07 Agro Holding Gmbh Taschenfederkern und Verfahren zu dessen Herstellung
DE102017117831A1 (de) * 2017-08-07 2019-02-07 Agro Holding Gmbh Taschenfederkern und Verfahren zu dessen Herstellung
RU2701259C1 (ru) * 2019-04-23 2019-09-25 Артем Андреевич Монахов Способ изготовления матраса
US10808786B2 (en) 2011-10-11 2020-10-20 Harrison Spinks Components Limited Hybrid spring
US11305941B2 (en) 2017-05-31 2022-04-19 HS Products Limited Transportation apparatus and method
US11800937B2 (en) 2012-08-10 2023-10-31 Harrison Spinks Components Limited Resilient unit with different major surfaces

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6256820B1 (en) * 2000-02-09 2001-07-10 L&P Property Management Company Multilayered pocketed bedding or seating product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747374A (en) * 1927-06-25 1930-02-18 James L Macinerney Spring construction
WO1981002384A1 (en) * 1980-02-19 1981-09-03 Jourdan Thomas Ltd Mattress

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747374A (en) * 1927-06-25 1930-02-18 James L Macinerney Spring construction
WO1981002384A1 (en) * 1980-02-19 1981-09-03 Jourdan Thomas Ltd Mattress

Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154076A3 (en) * 1984-03-09 1986-11-20 Simmons U.S.A. Corporation Innerspring construction
EP0154076A2 (de) * 1984-03-09 1985-09-11 Simmons Company Konstruktion eines Federkerns
GB2227654B (en) * 1989-02-07 1993-05-05 Nelsons Machine for assembling upholstery springs into an upholstery unit
EP0421496A1 (de) * 1989-10-05 1991-04-10 B'linea Innenfedergefüge für Matratze, Kissen und dergleichen, und Verfahren zu seiner Herstellung
BE1003536A4 (nl) * 1989-10-05 1992-04-14 B Linea Veerconstructie voor matrassen, kussens en dergelijke en werkwijze voor het vervaardigen van deze constructie.
US5632473A (en) * 1992-10-01 1997-05-27 Dias Magalh+E,Otl A+Ee Es Queiroz; Jo+E,Otl A+Ee O Elastic spring and spring support for mattress, chair or upholstery
WO1994007395A1 (en) * 1992-10-01 1994-04-14 Dias Magalhaes Queiroz Joao Ro Elastic elements and their respective components, manufactured by injection in plastic material, non-metallic, to be used in mattress, chair or other purpose
EP0624545A1 (de) * 1993-05-14 1994-11-17 Toledo Fjederindlaeg A/S Verfahren zum Herstellen eines Federeinsatzes
EP0828445A1 (de) * 1995-05-10 1998-03-18 Simmons Company Matratze mit verschiedenen härtegraden
EP0828445A4 (de) * 1995-05-10 2000-06-07 Simmons Co Matratze mit verschiedenen härtegraden
WO1996036258A1 (en) * 1995-05-15 1996-11-21 Sleepyhead Manufacturing Company Limited Securement of flexible sheet material
FR2747118A1 (fr) * 1996-04-09 1997-10-10 Oniris Sa Procede de fabrication d'un matelas a ressorts ensaches et matelas obtenu par ledit procede
US6159319A (en) * 1996-04-29 2000-12-12 L&P Property Management Company Method and apparatus for forming pocketed coil spring mattresses
US5669093A (en) * 1996-07-17 1997-09-23 L & P Property Management Company Pocketed coil spring assembly
US5761784A (en) * 1996-07-17 1998-06-09 L&P Property Management Co. Method of manufacturing a pocketed spring assembly
US6175997B1 (en) 1998-01-22 2001-01-23 L&P Property Management Company Pocketed coil spring mattress cores
US6085397A (en) * 1998-02-04 2000-07-11 L&P Property Management Company Method of making pocketed spring assembly
US6098968A (en) * 1998-02-04 2000-08-08 L&P Property Management Company Pocketed spring assembly
US5957438A (en) * 1998-02-04 1999-09-28 L&P Property Management Company Spring retainer assembly
US6036181A (en) * 1998-02-04 2000-03-14 L&L Property Management Company Spring assembly
EP0941962A1 (de) * 1998-03-10 1999-09-15 Matsushita Industrial Co. Ltd. Federkern für Möbel oder Matratzen und Verfahren zur dessen Herstellung
US6295673B1 (en) 1998-07-24 2001-10-02 L & P Property Management Company Reinforced pocketed spring assembly
US6574811B1 (en) 1998-07-24 2003-06-10 L & P Property Management Company Pocketed spring assembly and associated method
US6272706B1 (en) 1999-02-05 2001-08-14 L&P Property Management Company Bedding or seating product having bands of springs
US6173464B1 (en) 1999-05-07 2001-01-16 L&P Property Management Company Pocketed bedding or seating product
US6374442B1 (en) 2000-01-28 2002-04-23 L&P Property Management Co. Pocketed coil spring unit with combination of top and bottom sheets and inter-row bonding
US6681428B2 (en) 2000-01-28 2004-01-27 L&P Property Management Co. Method of making pocketed coil spring unit with combination of scrim sheets and inter-row bonding
WO2002044077A1 (en) * 2000-11-30 2002-06-06 Stjernfjädrar Ab Separated pocket spring mattress
US7048263B2 (en) 2000-11-30 2006-05-23 Stjernfjädrar Ab Separated pocket spring mattress
EP1700820A3 (de) * 2000-11-30 2007-04-18 Stjernfjädrar AB Taschenfederkernmatratze
EP1700820A2 (de) * 2000-11-30 2006-09-13 Stjernfjädrar AB Taschenfederkernmatratze
WO2003096847A1 (en) * 2002-05-17 2003-11-27 Springform Technology Limited A coil spring assembly
EP1499216A1 (de) * 2003-01-07 2005-01-26 Ace Bed Co., Ltd. Struktur eines sprungfedersatzes für matratzen und herstellungsverfahren dafür
CN100479707C (zh) * 2003-01-07 2009-04-22 Ace床具有限公司 用于垫子的囊袋弹簧组结构及其制造方法
EP1499216A4 (de) * 2003-01-07 2011-09-14 Ace Bed Co Ltd Struktur eines sprungfedersatzes für matratzen und herstellungsverfahren dafür
US6829798B2 (en) 2003-01-08 2004-12-14 L&P Property Management Company Low density pocketed spring assembly and method of manufacture
WO2005085123A1 (en) * 2004-03-04 2005-09-15 A Harrison (Bedding) Limited Pocketted spring units
GB2426926A (en) * 2004-03-04 2006-12-13 Harrison A Pocketted spring units
GB2426926B (en) * 2004-03-04 2008-02-20 Harrison A Pocketted spring units
US10961112B2 (en) * 2005-09-17 2021-03-30 Harrison Spinks Components Limited Method and apparatus for the production of a pocketed spring unit
US10167186B2 (en) * 2005-09-17 2019-01-01 Harrison Spinks Components Limited Method and apparatus for the production of a pocketed spring unit
US20180072559A9 (en) * 2005-09-17 2018-03-15 A Harrison (Bedding) Limited Method and Apparatus for the Production of a Pocketed Spring Unit
US20190144261A1 (en) * 2005-09-17 2019-05-16 Harrison Spinks Components Limited Pocketed spring units
US10808786B2 (en) 2011-10-11 2020-10-20 Harrison Spinks Components Limited Hybrid spring
US11800937B2 (en) 2012-08-10 2023-10-31 Harrison Spinks Components Limited Resilient unit with different major surfaces
US10633245B2 (en) 2014-01-30 2020-04-28 Harrison Spinks Components Limited Pocketed spring unit and method and apparatus for forming the same
WO2015114361A1 (en) * 2014-01-30 2015-08-06 Harrison Spinks Components Limited Pocketed spring unit and method and apparatus for forming the same
CN108697243A (zh) * 2016-02-10 2018-10-23 Hs产品有限公司 弹性单元以及制造方法
US11412860B2 (en) 2017-05-31 2022-08-16 HS Products Limited Pocketed spring unit and method of manufacture
US11305941B2 (en) 2017-05-31 2022-04-19 HS Products Limited Transportation apparatus and method
GB2565197B (en) * 2017-05-31 2022-10-12 Hs Products Ltd Pocketed spring unit and method of manufacture
GB2565197A (en) * 2017-05-31 2019-02-06 Hs Products Ltd Pocketed spring unit and method of manufacture
DE102017117831A1 (de) * 2017-08-07 2019-02-07 Agro Holding Gmbh Taschenfederkern und Verfahren zu dessen Herstellung
DE102017117833A1 (de) * 2017-08-07 2019-02-07 Agro Holding Gmbh Taschenfederkern und Verfahren zu dessen Herstellung
US11653770B2 (en) 2017-08-07 2023-05-23 Agro Holding Gmbh Pocket spring core and method for producing the same
RU2701259C1 (ru) * 2019-04-23 2019-09-25 Артем Андреевич Монахов Способ изготовления матраса

Also Published As

Publication number Publication date
IT1192390B (it) 1988-04-13
EP0089789B1 (de) 1987-01-28
IT8209361A0 (it) 1982-03-17
DE3369500D1 (en) 1987-03-05
ATE25232T1 (de) 1987-02-15
CA1194621A (en) 1985-10-01

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