EP0624545A1 - Verfahren zum Herstellen eines Federeinsatzes - Google Patents

Verfahren zum Herstellen eines Federeinsatzes Download PDF

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Publication number
EP0624545A1
EP0624545A1 EP93610032A EP93610032A EP0624545A1 EP 0624545 A1 EP0624545 A1 EP 0624545A1 EP 93610032 A EP93610032 A EP 93610032A EP 93610032 A EP93610032 A EP 93610032A EP 0624545 A1 EP0624545 A1 EP 0624545A1
Authority
EP
European Patent Office
Prior art keywords
string
strings
adhesive
length
fed
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
EP93610032A
Other languages
English (en)
French (fr)
Other versions
EP0624545B1 (de
Inventor
Per Buttenschon
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.)
TOLEDO FJEDERINDLAEG AS
Original Assignee
TOLEDO FJEDERINDLAEG AS
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 TOLEDO FJEDERINDLAEG AS filed Critical TOLEDO FJEDERINDLAEG AS
Publication of EP0624545A1 publication Critical patent/EP0624545A1/de
Application granted granted Critical
Publication of EP0624545B1 publication Critical patent/EP0624545B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • B68G2009/005—Devices for turning the springs 90° inside the pockets

Definitions

  • the invention relates to a method of producing a spring insert from strings of springs which are individually encased in a pocket of material, so-called pocketed springs, said strings having an adhesive applied and being compressed to form the spring insert.
  • a method is known from the description provided in EP, B1, 0154076 and EP, A2, 0155158, whereby heat-fusible adhesive is applied to the outer string in the spring insert, after which an additional string is pressed into place and glued together with the first string.
  • the spring insert is finished after a suitable number of strings have been glued together.
  • it can be incorporated into a mattress, a cushion or the like in a commonly-known manner.
  • the known method is limited to the production of spring inserts with the same resiliency characteristics in the insert for the whole extent of the insert.
  • the spring insert comprises only one type of pocketed spring, in that all of the strings are cut from the same length.
  • the adhesive is applied by means of movable nozzles which, during the emission of the adhesive, are led along the outer layer of the spring insert. This means that the pressing-together of the subsequent string must await the application of adhesive before the string can be glued to the preceding string. This gives rise to the risk of the glue running or flowing out, so that the gluing-together either becomes too weak or too extensive, depending on the state of the adhesive at the moment that the compression is effected.
  • strings with different characteristics with regard to both dimension and form of the spring elements for the changing of the resiliency characteristic, and pockets can be made of material which can be more or less flexible for changing of the damping characteristic.
  • the application of the adhesive to the string while this is in movement provides the advantage that the production process is not delayed, but is limited only by the speed with which the string is fed past, and also that the construction is simple and without moving parts.
  • a plant for the execution of the method is illustrated in fig. 1.
  • the plant comprises a feeding section 1, which will be described in more detail with reference to figs. 2 and 3, a turning section 2, which will be described in more detail with reference to figs. 4 and 5, and an adhesive application section 3 and a compression section 4 which will be described in more detail with reference to figs. 6 and 7.
  • the feeding section 1 consists of a frame 5, on the top of which are supported a number of wheels 6 corresponding to the number of pocket-spring lengths 7, 8.
  • lengths 7 and 8 can have different resiliency and/or damping characteristics, so that in the example embodiment shown there can be produced a finished spring insert 9 consisting of two different types of pocket-springs.
  • the wheels 6 are preferably sprocket-formed so that the lengths 7 and 8 can be fed by rotation of the wheels.
  • a shield 10 can be mounted over a part of the wheels' circumference.
  • each set of wheels 6 there is mounted a further set of drive rollers 11 for each length 7, 8, so that each individual length can be fed in a precise manner.
  • the wheel sets 6, 11 will be synchronized by means of a chain drive or the like.
  • a cutting mechanism 12 comprising two jaws 13 which can be moved in a reciprocating manner by means of an actuator 14, so that the lengths 7 and 8 can be fed between the jaws 13 when these are separated.
  • the drive roller 11 can feed a certain number of pockets in the length 7 and 8 so that a given number of pockets, corresponding to the length of the string 15, will form one element in the finished spring insert 9.
  • the jaws 13 are closed and the length is cut over either mechanically or thermally.
  • This conveyor carries the string 15 further to an angularly-extending belt 17 which leads the string 15 forward to the turning section 2.
  • this section is configured with a conveyor belt 18 on which the string 15 is fed forward in the section.
  • a boom 19 operated by actuators 20 pushes the string over the side where it falls down on a side-stop 21. As shown in fig. 5, the side-stop is thereafter tipped so that the string falls down into a gutter 22.
  • the string 15 is fed into a chain conveyor 23 which is moved from the turning section 2 and further through the compression section 4.
  • the conveyor 23 feeds the string 15 past an adhesive application device 24 which can be of any suitable type.
  • a fluid adhesive is advantageous, the reason being that this can be pumped out through nozzles via a pipe 25. This makes it possible for the adhesive to be pumped out in shots, and the adhesive 26 can hereby be applied to the outer side of each pocket-spring in the string as this passes the nozzle(s).
  • the chain conveyor 23 stops when the string 15 is standing opposite a pusher arm 27, this being provided with an end profile which enables it to lie up against the string 15.
  • an actuator 28 can feed the string 15 with adhesive 26 on to an underlayer 29 where it can be pushed up against preceding strings for gluing together with the outermost string.
  • the spring insert 9 is hereby built up of strings 15 which one after another are glued together to form the finished insert 9.
  • the lengths 7 and 8 with the desired resiliency and damping characteristics and dimensions are fed to the plant in the form of endless lengths of pocket-springs 7 and 8.
  • spring inserts of any desired kind and character, also including spring inserts comprising pocket-springs of different heights.
  • the plant is controlled in a commonly-known manner by microprocessors so that it is possible to select to feed strings of any desired length, said strings then being tipped upright and receiving an application of adhesive before the final compression.
  • the whole method is controlled so that all movements are synchronized, whereby strings can be produced at a very high rate of production, the reason being that the whole of the flow can be effected at the same tempo.
  • pocket-spring strings is determined by the activation of the sets of feeding wheels, whereby strings can be produced at normal rates of production, even when there are frequent changes between the strings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Wire Processing (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
EP93610032A 1993-05-14 1993-05-19 Verfahren zum Herstellen eines Federeinsatzes Expired - Lifetime EP0624545B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK93568A DK56893D0 (da) 1993-05-14 1993-05-14 Fremgangsmaade til fremstilling af et fjederindlaeg
DK568/93 1993-05-14

Publications (2)

Publication Number Publication Date
EP0624545A1 true EP0624545A1 (de) 1994-11-17
EP0624545B1 EP0624545B1 (de) 1997-09-17

Family

ID=8095017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93610032A Expired - Lifetime EP0624545B1 (de) 1993-05-14 1993-05-19 Verfahren zum Herstellen eines Federeinsatzes

Country Status (4)

Country Link
EP (1) EP0624545B1 (de)
AT (1) ATE158263T1 (de)
DE (1) DE69314010T2 (de)
DK (2) DK56893D0 (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996027553A1 (en) * 1995-03-05 1996-09-12 New Technology I Lidköping Ab Apparatus for the manufacture of innerspring constructions
DE19529911A1 (de) * 1995-08-15 1997-02-20 Spintex Ag Verfahren zum Zuführen von Taschenfederschlangen oder einzelnen Taschenfederkernen
WO1997037569A1 (en) * 1996-04-03 1997-10-16 Toledo Fjederindlaeg A/S Method and means for the production of a spring insert
WO2000055088A1 (en) * 1999-03-17 2000-09-21 Springform Technology Limited Method and apparatus for manufacturing innerspring assemblies
WO2002044076A2 (en) 2000-11-29 2002-06-06 Calino S.A. Pocketed spring mattress and innerspring construction and their method and device of manufacture
WO2002092495A1 (de) * 2001-05-16 2002-11-21 Spühl AG St. Gallen Verfahren und vorrichtung zum transport von eingetaschten federn zu einer federkernmontageeinrihtung
US6718726B1 (en) 2001-10-09 2004-04-13 Dreamwell Ltd. Method and apparatus for storing and transporting strings of pocketed coils
WO2007031774A1 (en) * 2005-09-17 2007-03-22 A Harrison (Bedding) Limited Pocketed spring units
EP2524895A1 (de) 2011-05-20 2012-11-21 Spühl AG Vorrichtung und Verfahren zum Fördern einer Federschlange
US8800338B2 (en) 2008-12-18 2014-08-12 Springform Technology Limited Manufacture of coil springs
ITRN20130026A1 (it) * 2013-06-24 2014-12-25 Flexfor S R L Struttura per materasso, macchina e metodo di realizzazione di detta struttura per materasso.
WO2019241204A1 (en) * 2018-06-13 2019-12-19 L&P Property Management Company Sectioned pocketed spring assembly and method of making same
WO2020229036A1 (en) 2019-05-14 2020-11-19 Nv Bekaert Sa Spool of pocketed springs
US20240228261A1 (en) * 2023-01-11 2024-07-11 L&P Property Management Company Method Of Manufacturing Partially Foam Encased Pocketed Spring Assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103950885B (zh) * 2014-04-25 2015-08-05 广州市联柔机械设备有限公司 一种新型袋装弹簧生产制造装置及袋装弹簧生产方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0089789A1 (de) * 1982-03-17 1983-09-28 PERMAFLEX S.p.A. Verfahren zum Herstellen von elastischen Artikeln und daraus hergestellte Matratzen
EP0155158A2 (de) * 1984-03-09 1985-09-18 Simmons Company Verfahren und Einrichtung für das Herstellen von Konstruktionen mit inneren Federn
EP0154076B1 (de) * 1984-03-09 1990-04-18 Simmons Company Konstruktion eines Federkerns
EP0421495A1 (de) * 1989-10-05 1991-04-10 B'linea Verfahren und Einrichtung zur Herstellung von Federkernkonstruktionen für Matratzen, Kissen o.dgl.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0089789A1 (de) * 1982-03-17 1983-09-28 PERMAFLEX S.p.A. Verfahren zum Herstellen von elastischen Artikeln und daraus hergestellte Matratzen
EP0155158A2 (de) * 1984-03-09 1985-09-18 Simmons Company Verfahren und Einrichtung für das Herstellen von Konstruktionen mit inneren Federn
EP0154076B1 (de) * 1984-03-09 1990-04-18 Simmons Company Konstruktion eines Federkerns
EP0421495A1 (de) * 1989-10-05 1991-04-10 B'linea Verfahren und Einrichtung zur Herstellung von Federkernkonstruktionen für Matratzen, Kissen o.dgl.

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996027553A1 (en) * 1995-03-05 1996-09-12 New Technology I Lidköping Ab Apparatus for the manufacture of innerspring constructions
DE19529911A1 (de) * 1995-08-15 1997-02-20 Spintex Ag Verfahren zum Zuführen von Taschenfederschlangen oder einzelnen Taschenfederkernen
WO1997037569A1 (en) * 1996-04-03 1997-10-16 Toledo Fjederindlaeg A/S Method and means for the production of a spring insert
WO2000055088A1 (en) * 1999-03-17 2000-09-21 Springform Technology Limited Method and apparatus for manufacturing innerspring assemblies
AU758723B2 (en) * 1999-03-17 2003-03-27 Springform Technology Limited Method and apparatus for manufacturing innerspring assemblies
WO2002044076A2 (en) 2000-11-29 2002-06-06 Calino S.A. Pocketed spring mattress and innerspring construction and their method and device of manufacture
GR20000100419A (el) 2000-11-29 2002-09-26 Calino Α.Ε. Μεθοδος και μηχανη συναρμολογησης στρωματων απο λωριδες εγκλωβισμενων ελατηριων
WO2002092495A1 (de) * 2001-05-16 2002-11-21 Spühl AG St. Gallen Verfahren und vorrichtung zum transport von eingetaschten federn zu einer federkernmontageeinrihtung
US6718726B1 (en) 2001-10-09 2004-04-13 Dreamwell Ltd. Method and apparatus for storing and transporting strings of pocketed coils
US20130247518A1 (en) * 2005-09-17 2013-09-26 A Harrison (Bedding) Limited Pocket spring units
US20190144261A1 (en) * 2005-09-17 2019-05-16 Harrison Spinks Components Limited Pocketed spring units
WO2007031774A1 (en) * 2005-09-17 2007-03-22 A Harrison (Bedding) Limited Pocketed 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
US8800338B2 (en) 2008-12-18 2014-08-12 Springform Technology Limited Manufacture of coil springs
WO2012159717A1 (de) 2011-05-20 2012-11-29 Spühl Ag Vorrichtung und verfahren zum fördern einer federschlange
EP2524895A1 (de) 2011-05-20 2012-11-21 Spühl AG Vorrichtung und Verfahren zum Fördern einer Federschlange
US9327933B2 (en) 2011-05-20 2016-05-03 Spuhl Ag Device and method for conveying a spring string
ITRN20130026A1 (it) * 2013-06-24 2014-12-25 Flexfor S R L Struttura per materasso, macchina e metodo di realizzazione di detta struttura per materasso.
WO2014207634A1 (en) * 2013-06-24 2014-12-31 Flexfor S.R.L. Structure for mattress, and a machine and method for making the structure for mattress
WO2019241204A1 (en) * 2018-06-13 2019-12-19 L&P Property Management Company Sectioned pocketed spring assembly and method of making same
US11109686B2 (en) 2018-06-13 2021-09-07 L&P Property Management Company Method of making a continuous string of pocketed springs
US12245701B2 (en) 2018-06-13 2025-03-11 L & P Property Management Company Sectioned pocketed spring assembly
WO2020229036A1 (en) 2019-05-14 2020-11-19 Nv Bekaert Sa Spool of pocketed springs
US20240228261A1 (en) * 2023-01-11 2024-07-11 L&P Property Management Company Method Of Manufacturing Partially Foam Encased Pocketed Spring Assembly
US12054381B2 (en) * 2023-01-11 2024-08-06 L&P Property Management Company Method of manufacturing partially foam encased pocketed spring assembly

Also Published As

Publication number Publication date
DE69314010T2 (de) 1998-04-16
DK56893D0 (da) 1993-05-14
ATE158263T1 (de) 1997-10-15
EP0624545B1 (de) 1997-09-17
DE69314010D1 (de) 1997-10-23
DK0624545T3 (da) 1998-03-09

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