EP2915464A1 - Ressorts ensachés - Google Patents

Ressorts ensachés Download PDF

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Publication number
EP2915464A1
EP2915464A1 EP15157370.6A EP15157370A EP2915464A1 EP 2915464 A1 EP2915464 A1 EP 2915464A1 EP 15157370 A EP15157370 A EP 15157370A EP 2915464 A1 EP2915464 A1 EP 2915464A1
Authority
EP
European Patent Office
Prior art keywords
zone
spring core
pockets
pocket spring
strands
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
EP15157370.6A
Other languages
German (de)
English (en)
Other versions
EP2915464B1 (fr
Inventor
Wolfgang Grothaus
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.)
Agro Holding GmbH
Original Assignee
Agro Holding GmbH
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 Agro Holding GmbH filed Critical Agro Holding GmbH
Priority to PL15157370T priority Critical patent/PL2915464T3/pl
Publication of EP2915464A1 publication Critical patent/EP2915464A1/fr
Application granted granted Critical
Publication of EP2915464B1 publication Critical patent/EP2915464B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47C27/062—Spring inlays of different resiliencies
    • 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

Definitions

  • the present invention relates to a pocket spring core according to the preamble of claim 1.
  • Pocket spring cores are known in the art and are used e.g. used in mattresses or seating.
  • Pocket spring cores have proven themselves in practice. Nevertheless, it is desirable to design pocket spring cores to provide optimal sleep comfort to the sleeper lying on top of them.
  • pocket spring cores are divided into zones with different deformability. Within the individual zones of a pocket spring core, a defined deformability is set in each case. The zones with different deformability are arranged so that they support the body of the sleeper well and thus improve the sleeping comfort for a sleeper. For example, the zone that supports the shoulder area of a sleeper is set softer than the one that carries the head. This ensures that the shoulder area can sink well into the pocket spring core and offers the sleeper increased lying comfort and thus a restful sleep.
  • Zones with different deformability can accordingly For example, be achieved by the use of springs with different wire thicknesses or by the use of springs with different numbers of spring coils or by omitting or adding a heat treatment of the spring wire, the different deformability of the springs is not visible from the outside.
  • a mattress in which the mattress has zones with different deformability. In one embodiment, it is provided to form the zones with different deformability transversely to the longitudinal direction of the mattress.
  • the zones of different deformability are provided by strands with pocketed springs of barrel-shaped basic geometry, wherein the barrel-shaped springs are designed so that their largest diameter corresponds to the diameter of the cylindrical coil springs of the remaining zone (s) of the mattress.
  • a pocket spring core in which the comfort is increased by between two adjacent bands of pockets encased in textile material helical compression springs arranged a micro pocket spring band with pocket springs lesser height and equal or smaller outside diameter and the pockets of the bands with the pockets of the micro-ribbons are glued.
  • a disadvantage of the solution DE 297 22 598 U1 is that there are no zones in the pocket spring core, which have a different deformability. Rather, according to the DE 297 22 598 U1 the sleeping comfort can be improved overall even with different body weight of the respective sleeper. The lying comfort for individual parts of the body, such as the shoulder area, however, is not explicitly improved.
  • the invention therefore has the task of creating a pocket spring core, which forms significantly different deformation zones and is simple and therefore inexpensive to produce.
  • the present invention solves this problem by the subject matter of claim 1.
  • the invention provides a pocket spring core having at least two zones, wherein at least one first zone has a deformability that differs from the deformability of at least one second zone (s) of the pocket spring core, the at least one first zone having a plurality of strands of first coil springs in pockets and the at least one second zone has a plurality of second coil springs arranged in strands in pockets, wherein the diameter "D" of the first coil springs is greater than the diameter "d" of the second coil springs, wherein one strand by a joining method respectively at the outer periphery
  • Each bag is connected at a joint in each case with an adjacent strand, wherein, in the at least one first zone and in the at least one second zone, the same number of coil springs is provided.
  • Another advantage of this design of the pocket spring core is that the end user can see at a glance that zones of different deformability are present because the diameter of the coil springs differs significantly, for example by more than 10% or 20%. As a result, even when viewing the pockets, it can be seen that zones with a small diameter and a greater spacing of the helical springs are more yielding than zones in which the helical springs are arranged more densely.
  • zone or “zones of different deformability” is used. This refers to a zone (s) of a pocket spring core 1 which differ in their deformability from the respectively adjacent zones.
  • the zones of different deformability of a pocket spring core 1 allow, for example, a deeper sinking in of certain body parts of a sleeper than the other zones of the pocket spring core 1.
  • a pocket spring core 1 with several zones 2, 3, 4, 5, 6 is shown.
  • the zones 2, 3, 4, 5, 6 are-purely here by way of example-related to the width "B" of the pocket spring core 1 arranged one behind the other.
  • An inventive pocket spring core 1 has at least one first zone 3, 5 with a deformability that deviates from the deformability of at least one second zone 2, 4, 6 of the pocket spring core 1.
  • Fig. 2 is a pocket spring core 1 shown with different zones.
  • Each zone 2, 3, 4, 5, 6 has at least two strands 7, 8, each having pockets 9, 10 of textile material, in which purely exemplary here-each cylindrical coil springs (not shown) are used.
  • the springs used may also be barrel springs, waisted springs or conical springs.
  • Each pocket 9, 10 is closed at its two end faces and in each case at its two longitudinal sides by a suitable joining method, such as welding, sewing, gluing or stapling or by a combination thereof.
  • the strands 7 in the at least one second zone 2, 4, 6 each have at the end of a strand 7 and between each two pockets 9 a joining zone, which closes the pockets 9 each at its two longitudinal sides.
  • the width of the joining zone depends on the particular joining method and is preferably between 1 mm and 8 mm, particularly preferably between 2 mm and 5 mm.
  • the joining zone follows the longitudinal cross-sectional geometry of the respective helical spring, so that the joining zone is e.g. in coil springs with barrel-shaped longitudinal cross-section in the end regions of the coil springs can also be present twice. In such a case, however, the two joining zones converge again in the region of the largest diameter of the barrel-shaped helical spring, so that only one joining zone is present at this point between two pockets.
  • the strands 7, 8 are connected to one another by suitable joining methods, such as gluing, welding, sewing or stapling in each case on the circumferential outer side of each pocket 9, 10 at a joint 11, 12.
  • the joints 11, 12 of the respective strands 7, 8 are aligned with respect to the entire pocket spring core 1 substantially orthogonal to the extension of the strands 7, 8.
  • the strands 8 of the at least one first zone 3, 5 have the same number of helical springs or pockets 10 as the strands 7 of the at least one second zone 2, 4, 6 of the pocket spring core 1.
  • the pockets 10 of the strands 8 in the at least one first zone 3, 5 have-purely by way of example-cylindrical coil springs which have a smaller diameter "d1" than the coil springs of the pockets 9, from which the strands 7 of the at least one second zone 2, 4, 6 are made, which have a diameter D1.
  • the springs inserted in the pockets 10 of the strands 8 in the at least one first zone 3, 5 may also be barrel springs, waisted springs or conical springs.
  • the diameters "D1" and "d1" respectively refer to the largest measurable diameter of such coil springs with a longitudinal cross section deviating from a cylindrical longitudinal cross section.
  • the strands 8 of the at least one first zone 3, 5 each have between two pockets 10 a web 14.
  • web 14 is meant that between two pockets 8 are each two on their longitudinal sides prepared by a suitable joining method joining areas and a free area without joining areas, wherein the free area of the web 14 formed from two superimposed webs of textile material becomes.
  • the web 14 accordingly has a length "L" which is significantly greater than the joining zone between two pockets 9 of the strands 7 of the at least one second zone 2, 4, 6 of the pocket spring core 1.
  • the length "L” of the webs 14 between two pockets 10 of the at least one first zone 3, 5 is so dimensioned that their length "L” is substantially the difference between the diameter "D” of the pockets 9 of the strands 7 in the at least one second zone 2, 4, 6 and the diameter "d” of the pockets 10 of the strands 8 in the at least one first zone 3, 5 amounts to. This is in Fig. 3 clearly visible.
  • the diameter "D" of the pockets 9 of the strands 7 in the at least one second zone 2, 4, 6 is 62 mm.
  • the diameter "d" of the pockets 10 of the strands 8 in the at least one first zone 3, 5 is then e.g. 42 mm, so that the length "L" of the web 14 in this case is 20 mm.
  • the diameter "D" of the pockets 9 of the strands 7 in the at least one second zone 2, 4, 6 is preferably between 42 mm and 82 mm, more preferably between 72 mm and 52 mm, while the diameter "d" of the pockets 10 of Strands 8 in the at least one first zone 3, 5 is preferably between 22 mm and 62 mm, more preferably between 32 mm and 52 mm.
  • the length "L" of the web 14 is preferably between 10 mm and 50 mm, particularly preferably between 15 mm and 25 mm.
  • the strands 8 of the at least one first zone 3, 5 have the same number of helical springs or pockets 10 as the strands 7 of the at least one second zone 2, 4, 6 of the pocket spring core 1.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP15157370.6A 2014-03-07 2015-03-03 Ressorts ensachés Active EP2915464B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15157370T PL2915464T3 (pl) 2014-03-07 2015-03-03 Rdzeń ze sprężyn kieszeniowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014101035.1U DE202014101035U1 (de) 2014-03-07 2014-03-07 Taschenfederkern

Publications (2)

Publication Number Publication Date
EP2915464A1 true EP2915464A1 (fr) 2015-09-09
EP2915464B1 EP2915464B1 (fr) 2017-04-26

Family

ID=50490286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15157370.6A Active EP2915464B1 (fr) 2014-03-07 2015-03-03 Ressorts ensachés

Country Status (5)

Country Link
EP (1) EP2915464B1 (fr)
DE (1) DE202014101035U1 (fr)
ES (1) ES2634815T3 (fr)
PL (1) PL2915464T3 (fr)
PT (1) PT2915464T (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3178352A1 (fr) * 2015-12-10 2017-06-14 Hoffmann GmbH Matelas avec des types de ressorts différents disposés les uns à côté des autres

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014102556U1 (de) * 2014-06-02 2014-07-03 Agro Holding Gmbh Polster mit einem Taschenfederkern

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9316223U1 (de) 1993-10-23 1994-11-24 Schlueter Juergen Federkernmatratze mit Zonen unterschiedlicher Verformbarkeit
DE29722598U1 (de) 1997-12-20 1998-02-26 Federnwerke Marienberg Gmbh Taschenfederkern
DE29720297U1 (de) * 1997-11-15 1998-06-10 Spintex Ag Federschlange mit unterschiedlichen Federn
DE19823845A1 (de) * 1998-05-28 1999-12-09 Spintex Ag Altendorf Anatomischer Federkern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9316223U1 (de) 1993-10-23 1994-11-24 Schlueter Juergen Federkernmatratze mit Zonen unterschiedlicher Verformbarkeit
DE29720297U1 (de) * 1997-11-15 1998-06-10 Spintex Ag Federschlange mit unterschiedlichen Federn
DE29722598U1 (de) 1997-12-20 1998-02-26 Federnwerke Marienberg Gmbh Taschenfederkern
DE19823845A1 (de) * 1998-05-28 1999-12-09 Spintex Ag Altendorf Anatomischer Federkern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3178352A1 (fr) * 2015-12-10 2017-06-14 Hoffmann GmbH Matelas avec des types de ressorts différents disposés les uns à côté des autres

Also Published As

Publication number Publication date
PL2915464T3 (pl) 2017-10-31
DE202014101035U1 (de) 2014-04-01
EP2915464B1 (fr) 2017-04-26
ES2634815T3 (es) 2017-09-29
PT2915464T (pt) 2017-07-31

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