EP3525630A1 - Taschenfederkern und verfahren zur herstellung des taschenfederkerns - Google Patents
Taschenfederkern und verfahren zur herstellung des taschenfederkernsInfo
- Publication number
- EP3525630A1 EP3525630A1 EP17780760.9A EP17780760A EP3525630A1 EP 3525630 A1 EP3525630 A1 EP 3525630A1 EP 17780760 A EP17780760 A EP 17780760A EP 3525630 A1 EP3525630 A1 EP 3525630A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- core
- spring core
- zone
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 230000006835 compression Effects 0.000 claims abstract description 72
- 238000007906 compression Methods 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 12
- 239000004753 textile Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 241001669679 Eleotris Species 0.000 description 8
- 230000028327 secretion Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000003340 mental effect Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000005068 transpiration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
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 pocket spring core according to the preamble of claim 1, a mattress or a cushion with such a pocket spring core according to claim 12 and a method for producing such a pocket spring core according to claim 1 6. It is known to carry pocket spring cores with sections of zones of different stiffness. As a result, the zones of the pocket spring core for individual body parts of a sleeper, e.g. the shoulder, feet or buttocks are performed with reduced or increased rigidity compared to other parts of the body.
- the individual partial pocket spring cores that is to say the springs of different height and those which fill a gap, are each made separately, with previously formed similar spring strands of inserted springs being connected to one another by gluing, for example.
- the partial spring core which in each case fills a gap is placed in the gap formed, and the pocket spring core completed in this respect is subsequently provided with one or more cushioning layers and / or covered with a fabric, so that a pocket spring mattress or a cushion with zones of differing stiffness is produced.
- a disadvantage of the technical teaching of EP 1 603 434 B1 is the separate production of the respective spring strands fromRoctaschten springs, which must then be assembled or assembled manually first to a part spring core and then to the total spring core. This results in particular by the production-logistical effort and usually manually to be done handling effort a complex production with correspondingly high costs.
- a disadvantage of the solution of DE 10 2013 107 255 A1 is the still required, separate production of the required pocket spring strands, each with different, in particular different levels of springs for producing a zoned pocket spring core.
- a zoned pocket spring core in which two different springs, in particular springs of different heights, are inserted in each pocket, wherein the respective pockets of the different springs are arranged vertically one above the other, so that a pocket spring core with pocket spring strand sections arises and each pocket spring strand section has at least two layerstienttaschter springs, wherein the pockets of each spring are each closed by welds.
- WO 03/096847 A1 makes it possible to produce a complete pocket spring strand section or a complete spring strand with two or more layers of different springs, in particular springs of different heights, in one operation.
- WO 03/096847 A1 thus overcomes the disadvantage of each separate production of pocket spring strands, each with different springs.
- the invention has the object to provide a zoned pocket spring core, which is simpler and thus cheaper to produce compared to the prior art.
- the present invention solves this problem by the subject matter of claim 1. It also provides the subject matter of claim 12 and the method of claim 1 6. According to the characterizing part of claim 1, it is provided that at least one of the second (s) zone (s) of the pocket spring core has at least one groove-like depression.
- the invention is therefore based on the idea, in at least one zone or in several zones of the pocket spring core, which have a lower rigidity than other zones or another zone of the pocket spring core, the lower rigidity of this zone (s) by defined omission of springs at least partially to create. This advantageously results in a cost-optimized zoned pocket spring core.
- the groove-like depressions extend through the entire width of the pocket spring core.
- the second spring strand section has three vertically superimposed layers of a plurality of helically wound first compression spring in a first, upper layer, respectively second compression springs in a second, middle layer and respective first compression springs in a third, lower layer on.
- the height of the second spring strand section corresponds to the height of the first spring strand section. This results in an optimized support through the zoned pocket spring core.
- the height of the third spring strand section is less than the height of the first spring strand section and less than the height of the second spring strand section.
- the textile material from which the pockets in which the pressure springs of the spring strand sections are dipped is a fleece. This results in a favorable cost manufacturability of the zonated pocket spring core.
- the pocket is closed by horizontal welds and vertical welds.
- the welds advantageous automated production of spring strands is achieved with short cycle times.
- welds are made by an ultrasonic welding process.
- manufacture of the zoned pocket spring core is advantageously simplified and thus made cost-effective.
- the second spring strand section and the third spring strand section of the second zone are arranged in a pattern.
- the second zone has a pattern of a single or a plurality of successive second spring strand section (s) on which a single or several successive third spring strand section (s) follows / follow.
- the cost-effective zoning of the pocket spring core can be automated and thus realized simply.
- FIG. 1 shows a front view of a zoned pocket spring core according to the invention; a front view of a variant of the zoned pocket spring core of FIG. 1; a front view in section of a mattress or a cushion with a zon mandat pocket spring core of Fig. 1; a front view in section of a mattress or a cushion with a zon mandat pocket spring core of Fig. 2nd
- Fig. 1 is a front view of a zon mandat pocket spring core 1 is shown.
- the pocket spring core 1 accordingly has at least one first zone 2 and at least one second zone 3.
- the first zone 2 differs from the second zone 3 in terms of its rigidity, the term "stiffness" meaning resistance to (elastic) deformation.
- the first zone 2 has at least two rows or rows of a first spring strand section 4.
- the first spring strand section 4 has a plurality of similar, helically wound compression springs 5 which are each inserted individually in a pocket 6 enclosing the individual compression spring 5.
- row refers to a direction transverse or perpendicular to the largest longitudinal extent of the finished zoned pocket spring core 1.
- the pocket 6 is in each case made of a sheet-like, textile material, such as a fleece, the pocket 6 -related to the drawing plane of FIG. 1 - being closed by horizontal weld seams 7 and vertical weld seams 8, respectively.
- the weld seams 7, 8 are produced here by an ultrasonic welding process. posed. Alternatively, other welding methods for producing the welds 7, 8 are possible.
- a spring strand of each individuallyStetaschten compression springs 5 is usually produced as a quasi-endless strand in an automated process by a machine.
- the at least two rows of the first spring strand section 4, which form the first zone 2 of the pocket spring core 1, are each formed by cutting the endless strand into the first spring strand section 4 in each case. The cutting is in each case in the region of the vertical weld 8 between two pockets 6, so that the respective pockets 6 is not damaged.
- the at least two rows or lines of the first spring strand section 4, which form the first zone of the pocket spring core 1, are formed by aligning, juxtaposing and gluing the contact points of the row-aligned and stranded spring strand sections 4.
- At least one of the second zone (s) 3 of the zoned spring core 1 has at least one row of a second spring strand section 9 and at least one row of a third spring strand section 10.
- the second spring strand section 9 and the third spring strand section 10 are arranged in a pattern.
- a pattern a simply alternating pattern is selected as an example in FIG. It follows so after a single second spring strand section 9, a single third spring strand section 10, again followed by a single second spring strand section 9, etc.
- the second zone FIG. 3 shows a pattern of one or more consecutive second spring strand sections 9 on which a single or a plurality of successive third spring strand sections 10 follow.
- the second spring strand section 9 has at least two layers of a plurality of helically wound first compression springs 11 in a first, upper layer and second compression springs 12 in a second, lower layer which are vertically superimposed with respect to the plane of the drawing in FIG individually in a each individual first compression spring 1 1 enclosing pocket 13 and the respective individual second compression spring 12 enclosing pocket 14 are used.
- the pockets 13, 14 are made of a sheet-like textile material, such as e.g. a fabric produced, wherein the pockets 13, 14-related to the plane of the drawing of Fig. 1 - are closed by horizontal welds 15 and vertical welds 1 6, respectively.
- the welds 15, 16 are here produced by an ultrasonic welding process. Alternatively, other welding methods for producing the welds 15, 1 6 are possible.
- the height of the second spring strand section 9 - thus its dimension in the vertical direction with respect to the plane of the drawing of FIG. 1 - corresponds to the height of the first spring strand section 4.
- a spring strand of two layers of individuallyLetaschter compression springs 1 1, 12 is usually produced as a quasi-endless strand in an automated process by a machine.
- the compression springs 1 1, 12 differ here by their height -also their dimension in the vertical direction with respect to the plane of the drawing of Fig. 1 - and in the winding pitch.
- the second compression spring 12 has a higher rigidity than the first compression spring 1 1.
- the first compression spring 1 1 and the second compression spring 1 2 of the second spring strand section 9 are arranged vertically one above the other. Both compression springs 1 1, 12 act at a load in the direction of the arrow "F" in Fig. 1 so as a series circuit of compression springs. As a result, an overall stiffness of a mental equivalent spring of this series circuit sets, which is less than the stiffness of the first compression spring 1 1 with the lowest single stiffness of the series circuit of the compression springs 1 1, 12. The series connection of the compression springs 1 1, 12 thus results - at least approximately - a progressive spring constant of the mental spare spring.
- the third spring strand section 10 is constructed here analogously to the first spring strand section 4. Therefore, to avoid repetition, only deviations and additions to the first spring strand section 4 will be described here.
- the third spring strand section 10 has a plurality of similar, helically wound second compression springs 12, which are here each individually inserted in a single second compression spring 12 enclosing pocket 14.
- the second compression spring 12 of the third spring strand section 10 has in comparison to the compression spring 5 of the first spring strand section 4 a lower turn pitch and a lower height.
- the third spring strand section 10 may also comprise a plurality of layers of compression springs, which are arranged vertically one above the other. Each layer has in each case a plurality of similar, helically wound compression springs, which are each individually inserted in a pocket enclosing the individual compression spring.
- the height of the third spring strand section 10 is less than the height of the first spring strand section 4 and less than the height of the second spring strand section 9.
- the second zone (s) 3 of the pocket spring core 1 Due to the pattern formed by the arrangement of the second spring strand section 9 and here of the third spring strand section 10, at least one of the second zone (s) 3 of the pocket spring core 1 has groove-like depressions 17.
- the channel-like depressions preferably extend through the entire width of the pocket spring core 1. This advantageously results in a cost-optimized zoned pocket spring core 1.
- width is meant the dimension of the pocket spring core 1 perpendicular to the drawing plane of FIG.
- the second zone (s) 3 - in particular that with the groove-like depressions 17 - has a significantly lower rigidity than the first zone 2 of the spring core 1 and is therefore arranged in areas of the spring core 1 into which certain body parts (eg shoulders or buttocks) of a sleeper should dive deeper into the spring core 1 than other body parts.
- the pocket spring core 1 can also have more than two zones 2, 3, each with different stiffness, each of these zones being constructed either on the model of the construction of the first zone 2 or on the model of the construction of one of the second zone 3. It is essential to the invention that at least one second zone 3 has groove-shaped recesses 17 with a reduced stiffness compared to the first zone 2.
- the first spring strand section 4a has a plurality of similar, helically wound compression springs 18 which are each inserted individually in a pocket 22 enclosing the individual compression spring 18.
- the pocket 22 is each made of a sheet-like, textile material, such as a nonwoven produced, the bag 22 -related to the drawing plane of FIG. 2- in each case by horizontal welds 23 and vertical welds 24 is closed.
- the welds 22, 23 are made here by an ultrasonic welding process. Alternatively, other welding methods for producing the welds 22, 23 are possible.
- the second spring strand section 9a of the second zone 3a with the groove-like depressions 17 has three layers of a plurality of helically wound compression springs 1, which are vertically superimposed with respect to the plane of the drawing in FIG 1, 12 on.
- the layer structure of the spring strand section 9a has in each case a first compression spring 1 1 in a first, upper layer, in each case a second compression springs 12 in a second, middle layer and in each case a first compression springs 1 1 in a third, lower layer, each individually in one the respective individual first compression spring 1 1 enclosing pocket 13 and the respective individual compression spring 12 enclosing pocket 14 are used.
- the third spring strand section 10a of the second zone (s) 3a with the groove-like depressions 17 is constructed here analogously to the first spring strand 4a. Accordingly, the third spring strand 10a here has a plurality of identical, helically wound second compression springs 12 which are each inserted individually in a pocket 14 enclosing the individual second compression spring 12. Accordingly, the second compression spring 12 of the third Federstrangabitessl Oa compared to the compression spring 18 of the first spring strand section 4a a lower Windungsste Trent and a lower height.
- the third spring strand section 10a may also comprise a plurality of layers of compression springs, which are arranged vertically one above the other. Each layer has in each case a plurality of similar, helically wound compression springs, which are each individually inserted in a pocket enclosing the individual compression spring.
- the height of the third spring strand section 10a is less than the height of the first spring strand section 4a and less than the height of the second spring strand section 9a.
- the second spring strand section 9a and the third spring strand section 10a are arranged here in a pattern.
- a pattern a simply alternating pattern is chosen as an example in FIG.
- a single third spring strand section 10a there follows a single third spring strand section 10a, followed by a single second spring strand section 9a again, etc.
- the second zone (s) 3a with the groove-like recesses 17 may have a pattern of in each case one or more consecutive second spring strand sections 9a on which a single or several successive third spring strand sections 10a follow. Due to the pattern formed by the arrangement of the second spring strand section 9a and the third spring strand section 10a, at least one of the second zone (s) 3a of the pocket spring core 1a has groove-like depressions 17. Deviating from the zonated pocket spring core 1 according to FIG. 1, the channel-shaped recesses 17 are located in the vertical direction above and below the second, middle compression spring 12 of the second spring strand section 9a. This advantageously results in a cost-optimized zoned pocket spring core 1 a.
- the second zone (s) 3a is also possible for the second zone (s) 3a to be provided with the groove-like depression.
- 17 is constructed from a pattern of mutually arranged second spring strands 9 of FIG. 1.
- the pattern can also each have a single or a plurality of successive second (n) spring strand section (s) 9, in which the recess 17 respectively results above the second compression springs 12 and subsequently a single or several consecutive (n) second (n) spring strand section (s) 9, in which the recess 17 results in each case below the second compression springs 12.
- the zoniere pocket spring core 1 a has a symmetrical structure with respect to its front view shown in Fig. 2.
- Fig. 3 is a front view in section of a mattress 19 or a cushion with the zon mandat pocket spring core 1 of FIG. 1 is shown.
- the term "mattress” used below also applies synonymously to a cushion, for example for a sitting or lying furniture.
- the mattress 19 has, in addition to the zoned spring core 1, a first cushion layer 20a and a second cushion layer 20b.
- the cushion layers 20a, 20b are made of an elastic material, such as e.g. a foamed plastic produced and arranged with respect to the plane of the drawing of FIG. 3 each vertically above and below the zoni- ed pocket spring core 1 over its entire extent.
- the channel-like hollow chambers 19 preferably pass through the mattress 19 over the entire width of the mattress 19. "Width” refers to the smaller extent of the lying surface of the mattress 19.
- the channel-like hollow chambers 21 receive aqueous secretions of the sleeper formed by transpiration during sleep that these secretions are not in the obe- ren cushioning 20a remain and thus can evaporate faster. This results in a mattress 19 with advantageously improved hygienic properties.
- the mattress 19 is further completely enveloped by a textile covering material (not shown here).
- FIG. 4 is a front view in section of a variant of the mattress 19 or a cushion of FIG. 3 with the zon striv pocket spring core 1 a of Fig. 2 is shown.
- the term "mattress” used below is also synonymous with a cushion for, for example, a sitting or lying furniture 20a, 20b are made of an elastic material, such as a foamed plastic, and arranged vertically above and below the zoned pocket spring core 1a over its entire extent with respect to the plane of the drawing of Fig. 4.
- the mattress 19a may each have different cover fabrics their lying sides, for example, a "summer side” and a “winter side” define.
- the mattress 19a has the channel-like hollow chambers 21 analogous to the channel-like recesses 17 of the zoned pocket spring core 1 a vertically below the first cushion layer 26a and vertically above the second cushion layer 26b.
- the channel-like hollow chambers 21 receive aqueous secretions of the sleeper formed by transpiration during sleep, so that these secretions do not remain in the upper cushion layer 20a and can therefore evaporate faster.
- the following method is given: First, wire for the compression springs 5, 1 1, 12, 18, the textile material for the pockets 6, 13, 14, 22, a machine for the automated production of endless Spring strands ofStetaschten springs, a machine for the separation of the spring strands and the alignment, juxtaposition and bonding of spring strand sections and adhesive for bonding the spring strand sections 4, 4a, 9, 9a, 10, 10a provided.
- the compression spring 5, 18 is wound by the machine for the automated production of endless spring strands ofIndiataschten springs from the wire and in a at least one side opened, formed by the welds 7, 8, 23, 24 of a welding process bag 6, 22nd used from the textile material and the bag 6, 22 closed by a weld 7, 8, 23, 24 and so the first spring strandificattaschter pressure springs 5, 18 produced.
- first compression springs 1 1 and the second compression spring 12 are each wound through the machine and each inserted into a at least one side opened, formed by the welds 15, 1 6 a welding process pocket 13, 14 and the respective pocket 13, 14th closed by a weld 15, 1 6 and so the second spring strandificattaschter and vertically superposed compression springs 1 1, 12 prepared.
- This method step preferably takes place on a second machine in parallel to the previous method step.
- the second compression spring 12 is wound by the machine from the wire and inserted into a at least one side opened, formed by the welds 15, 1 6 a welding process pocket 14 of the textile material and the pocket 14 by a weld 15, 1 6 closed and so the third spring strand pronouncetaschter compression springs 12 produced.
- This method step preferably takes place on a second machine in parallel to the two preceding method steps.
- the respective endless spring strand sections in the machine for the separation of the spring strands and the alignment, juxtaposition and bonding of spring strand sections 4, 4a, 9, 9a, 10, 10a are separated and the resulting spring strand sections 4, 4a, 9, 9a, 10, 10a aligned to a defined pattern and glued together so that the zon Arthur pocket spring core 1, 1 a is formed with at least a first zone 2 and a second zone 3, wherein at least one zone 3 of the at least two zones 2, 3 groove-like recesses 17 has.
- the specified method advantageously simplifies the production of the zoned pocket spring core 1, 1a. This advantageously produces a cost-effective zoned pocket spring core 1, 1 a.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17780760T PL3525630T3 (pl) | 2016-10-17 | 2017-10-09 | Rdzeń ze sprężynami kieszeniowymi i sposób wytwarzania rdzenia ze sprężynami kieszeniowymi |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016119742.4A DE102016119742A1 (de) | 2016-10-17 | 2016-10-17 | Taschenfederkern und Verfahren zur Herstellung des Taschenfederkerns |
PCT/EP2017/075669 WO2018073035A1 (de) | 2016-10-17 | 2017-10-09 | Taschenfederkern und verfahren zur herstellung des taschenfederkerns |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3525630A1 true EP3525630A1 (de) | 2019-08-21 |
EP3525630B1 EP3525630B1 (de) | 2020-09-16 |
Family
ID=60037625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17780760.9A Active EP3525630B1 (de) | 2016-10-17 | 2017-10-09 | Taschenfederkern und verfahren zur herstellung des taschenfederkerns |
Country Status (6)
Country | Link |
---|---|
US (1) | US11633048B2 (de) |
EP (1) | EP3525630B1 (de) |
DE (1) | DE102016119742A1 (de) |
ES (1) | ES2834885T3 (de) |
PL (1) | PL3525630T3 (de) |
WO (1) | WO2018073035A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11877663B1 (en) | 2020-12-24 | 2024-01-23 | Guangzhou Lianrou Machinery & Equipment Co., Ltd. | Welding apparatus and manufacturing method for multilayer pocket spring string, and manufacturing device for pocket spring mattress |
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---|---|---|---|---|
DE102017117833A1 (de) * | 2017-08-07 | 2019-02-07 | Agro Holding Gmbh | Taschenfederkern und Verfahren zu dessen Herstellung |
EP3735155A4 (de) * | 2018-01-04 | 2021-10-06 | IKEA Supply AG | Verstärkte taschenfedermatratze |
US11033115B2 (en) * | 2019-03-13 | 2021-06-15 | L&P Property Management Company | Comfort layer having repeating pattern of pocketed mini coil springs of different heights |
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US3626523A (en) * | 1970-09-25 | 1971-12-14 | Harry J Robins | Bed foundation and mattress assembly |
US5868383A (en) * | 1997-03-27 | 1999-02-09 | L&P Property Management Company | Multiple rate coil spring assembly |
GB9813805D0 (en) * | 1998-06-27 | 1998-08-26 | Harrison Bedding Limited A | Spring units |
US6256820B1 (en) * | 2000-02-09 | 2001-07-10 | L&P Property Management Company | Multilayered pocketed bedding or seating product |
US6353952B1 (en) * | 2000-05-31 | 2002-03-12 | L&P Property Management Company | Posturized bedding or seating product with springs of differing heights |
US6898813B2 (en) * | 2001-10-24 | 2005-05-31 | Agro Federkernproduktions Gmbh | Innerspring assembly |
AU2002302754A1 (en) | 2002-05-17 | 2003-12-02 | Springform Technology Limited | A coil spring assembly |
DE10223280A1 (de) * | 2002-05-24 | 2003-12-11 | Agro Federkernprod Gmbh | Federkern |
US20040025256A1 (en) * | 2002-08-06 | 2004-02-12 | L&P Property Management Company | Multilayered pocketed bedding or seating product |
SE524127C2 (sv) * | 2002-10-29 | 2004-06-29 | Stjernfjaedrar Ab | Pocketmadrass med varierande höjd hos de inneslutna fjädrarna, samt en metod och en anordning för tillverkande av en dylik madrass |
US6966091B2 (en) * | 2002-11-27 | 2005-11-22 | Barber Manufacturing Company, Inc. | Coil innerspring assembly having varying degrees of firmness |
US6862763B2 (en) * | 2002-12-02 | 2005-03-08 | L&P Property Management Company | Pocketed bedding or seating product having pockets of differing heights |
US6813791B2 (en) * | 2003-03-04 | 2004-11-09 | L&P Property Management Company | Posturized pocketed bedding or seating product having pockets of differing heights |
WO2009029057A1 (en) * | 2007-08-24 | 2009-03-05 | Sipahioglu Celik Yay Ve Yan Urunleri Sanayi Ve Ticaret Limited Sirketi | Suspension pocket spring system |
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DE102013107255A1 (de) | 2013-07-09 | 2015-01-15 | Agro Holding Gmbh | Verfahren zur Herstellung eines Taschenfederkerns |
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-
2016
- 2016-10-17 DE DE102016119742.4A patent/DE102016119742A1/de not_active Withdrawn
-
2017
- 2017-10-09 PL PL17780760T patent/PL3525630T3/pl unknown
- 2017-10-09 WO PCT/EP2017/075669 patent/WO2018073035A1/de active Application Filing
- 2017-10-09 ES ES17780760T patent/ES2834885T3/es active Active
- 2017-10-09 EP EP17780760.9A patent/EP3525630B1/de active Active
- 2017-10-09 US US16/342,327 patent/US11633048B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11877663B1 (en) | 2020-12-24 | 2024-01-23 | Guangzhou Lianrou Machinery & Equipment Co., Ltd. | Welding apparatus and manufacturing method for multilayer pocket spring string, and manufacturing device for pocket spring mattress |
Also Published As
Publication number | Publication date |
---|---|
EP3525630B1 (de) | 2020-09-16 |
WO2018073035A1 (de) | 2018-04-26 |
ES2834885T3 (es) | 2021-06-21 |
DE102016119742A1 (de) | 2018-04-19 |
US11633048B2 (en) | 2023-04-25 |
PL3525630T3 (pl) | 2021-01-25 |
US20190274444A1 (en) | 2019-09-12 |
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