US20070101507A1 - Spring core - Google Patents
Spring core Download PDFInfo
- Publication number
- US20070101507A1 US20070101507A1 US11/593,078 US59307806A US2007101507A1 US 20070101507 A1 US20070101507 A1 US 20070101507A1 US 59307806 A US59307806 A US 59307806A US 2007101507 A1 US2007101507 A1 US 2007101507A1
- Authority
- US
- United States
- Prior art keywords
- springs
- spring
- core according
- spring core
- barrel
- 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.)
- Abandoned
Links
Images
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
- A47C27/065—Spring inlays of special shape
-
- 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
Abstract
A spring core includes a plurality of helically wound springs. At least two of the springs include a bulging at least at one of two end regions of each of the at least two springs in a direction of a longitudinal axis of the at least two springs.
Description
- This application claims priority to
German Application 10 2005 053 123.7 filed Nov. 8, 2005, which disclosure is hereby incorporated herein by reference. - The present disclosure relates to a spring core having a plurality of helically wound springs.
- The springs of such spring cores are normally made of wire and are known, for example, as Bonell springs or barrel springs.
- The spring cores formed thereof have a superlinear, that is, uniform spring action. The same degree of hardness exits at any point in time of the use of the spring core.
- For improving the cushioning comfort when a mattress containing the spring core is used, demands are made with respect to first permitting a soft sinking-in of certain body regions before a stronger support has its effect.
- For this purpose, it has been attempted to achieve a certain softness by applying padding. However, this application of padding to the mattress is not suitable for meeting the demands in the widest sense of the word, particularly because the elasticity of such padding is not comparable with a springiness.
- From German Patent Document DE 29722598U1, a spring core is known where the lying comfort is to be improved in that the springs of the individual rows have different heights. However, this results in a change of the spring characteristics, which in principle does not lead to a satisfactory result.
- Furthermore, the production of such a spring core requires higher expenditures and is more problematic than that of a spring core whose springs all of the same height.
- The present disclosure relates to a spring core such that the comfort of resting on it is improved at the lowest possible manufacturing expenditures.
- The present disclosure thus relates to a spring core including a plurality of helically wound springs, At least two of the plurality springs are shaped as or include a bulging at least at one of two end regions of each of the at least two springs in a direction of a longitudinal axis of the at least two springs.
- As a result of the construction of the individual springs, which together form the spring core, a more progressive spring action is obtained which achieves a very sensitive resilience, in which case the surface of the spring core feels extremely soft.
- To a desired extent, projecting body regions can at first sink deeper into the mattress, but, after a compression of the bulging, a harder spring characteristic becomes effective, which optimally supports the lying person.
- The progressive spring force achieves a remarkable relaxation, for example, of the spine, so that the new spring core optimally meets the demands with respect to a high springing comfort.
- According to an embodiment of the present disclosure, it is provided that both end regions of each spring are shaped in the manner of a bulging. In addition to an optimized lying comfort, this results in a greater load capacity of the spring core.
- By pitches of the wire winding which differ in regions, the spring action of the spring can be influenced. A pitch which is flat toward the ends and steep toward the center supports at first a soft and then a harder springing when the spring core is used.
- The springs constructed according to the present disclosure may be mutually connected by a spiral wire in the manner of a Bonell spring core. However, they may be used as pocket springs. That is, they are enveloped by a fabric pocket. A plurality of springs form a strand and these strands, arranged side-by-side, are glued to one another in the region of the jacketed springs. The gluing-together takes place, for example, by a hot-melt adhesive, which is applied at the bulges.
- Instead of a direct gluing-together of the strands, intermediate layers of an elastic material, such as a foamed material, may be provided. The intermediate layer is arranged between two strands and is glued together with the adjacent strands.
- The pockets enveloping the springs are adapted to the shape of the new spring. In a manner known, fabric strips extending over the entire length of a strand are used for forming the pockets. In the region of two successive springs, these fabric strips are connected with one another by ultrasonic sealing, corresponding to the shape of the spring, while forming the above-mentioned pockets.
- Between the springs, in one strand as well as between two strands, differently shaped springs, such as barrel springs, may also be arranged. In this case, the center bulging of the barrel can then be inserted into the center constriction of the new spring. If a new spring with only one bulging is used, the opposite side of the spring core can be determined by the inserted barrel springs, so that a turner mattress is obtained which has different lying characteristics.
- Other aspects of the present disclosure will become apparent from the following descriptions when considered in conjunction with the accompanying drawings.
-
FIG. 1 is a lateral view of an individual spring of a spring core, according to the present disclosure. -
FIG. 2 is a lateral view of a partial cutout of a spring core, according to the present disclosure. -
FIG. 3 is a top view of the partial cutout ofFIG. 2 . -
FIG. 4 is a lateral view of a partial cutout of another embodiment of a spring core, according to the present disclosure. -
FIGS. 5 and 6 are views of a partial cutout of a spring core in a connection region of two individual springs, according to the present disclosure. -
FIG. 1 shows a helically woundspring 1 of a spring core, according to an embodiment of the present disclosure. -
Spring 1 is shaped as or includes a bulging 2, 3, for example, at its twoend regions 11, while a center part situated in-between bulging 2, 3 is athroat 4 having a reduced diameter. - Starting from a relatively smaller diameter of windings of the
spring 1, this relatively smaller diameter increases and then decreases and changes into a region of thethroat 4 in order to then expand again and finally decrease. A new shape is thus obtained which is shown inFIG. 2 . With respect to a transverse axis of thespring 1,springs 1 have a mirror-symmetrical shape. -
FIG. 2 showssprings 1 which are disposed side-by-side and are enveloped bypockets 5. Thesepockets 5 include a textile material and combine a row ofindividual springs 1 disposed side-by-side to form a strand or a row.Pockets 5 are formed in that two fabric strips coveringindividual springs 1 on both sides between two individual springs are mutually connected by ultrasonic sealing, such assealing seam 7 shown inFIG. 3 . -
FIG. 3 also shows an elasticintermediate layer 6, which may include a foamed material.Intermediate layer 6 is arranged between two spring strands, whichintermediate layer 6 is glued to two adjacent spring strands and thereby forms a connection element. In their entirety, theintermediate layers 6 result in a completion of the spring core. - A mutual spacing of the individual spring strands changes depending on the width of the
intermediate layer 6, which results in a change of the spring characteristic of the spring core. - Instead of such an
intermediate layer 6, which extends along an entire length of the spring strands, individual spacers can be used to fill spaces formed between two spring strands. The spacers are also connected withadjoining springs 1 or theirpockets 5. Such spacers may also be formed of a foamed material, but may includesprings 1, which may be barrel springs. The barrel springs rest laterally against thethroats 4 of theadjoining springs 1. In an embodiment shown inFIG. 4 , thespring 1 has a bulging 2 at only one end region, while the tapered portion, that is, thethroat 4, is continued into the other end region. - Corresponding to this shaping-out,
barrel spring 9 rests against a region of thethroat 4, whichbarrel spring 9 is constructed as a pocket spring and whose pocket is connected with the pocket of thespring 1, which connection may be by a gluing-together. - In this case, the
barrel spring 9 projects over thespring 1, on a side situated opposite the bulging 2, so that, for example, a turner mattress is formed whose spring characteristic differs on the two sides. - The rows can be connected, for example, by
cover layers 10 which include a nonwoven covering and are connected on one side with the bulging-outsprings 1 and, on the other side, with thebarrel springs 9. By different spring characteristics of the two usage sides, different lying characteristics are obtained so that individual wishes can be taken into account. -
FIGS. 5 and 6 show a connection region as an individual unit, by which the fabric strips covering theindividual springs 1 on both sides are connected with one another between twosprings 1. In this manner, thepockets 5 are formed. - As shown in
FIGS. 5 and 6 , the sealing seams 7 are arranged such that thesprings 1 are firmly clamped into thepockets 5, so that a lateral deflection is virtually excluded. - While an intermediate region between the two exterior sealing seams 7, which each bound a
pocket 5 as shown inFIG. 5 , is reinforced byadditional sealing seams 7, in the embodiment shown inFIG. 6 , this intermediate region is free of such additional sealing seams 7. - A combination with other types of springs is also conceivable, depending on which lying characteristics are desired.
- Although the present disclosure has been described and illustrated in detail, it is to be clearly understood that this is done by way of illustration and example only and is not to be taken by way of limitation. The scope of the present disclosure is to be limited only by the terms of the appended claims.
Claims (17)
1. A spring core comprising:
a plurality of helically wound springs; and
at least two of the plurality springs include a bulging at least at one of two end regions of each of the at least two springs in a direction of a longitudinal axis of the at least two springs.
2. The spring core according to claim 1 , wherein both end regions of the at least two springs include a throat formed between the bulgings.
3. The spring core according to claim 1 , wherein pitches of the windings of at least two springs are one of identical and different in the end regions of the at least two springs.
4. The spring core according to claim 3 , wherein the pitch of the windings of the end regions is one of flatter and steeper, and in a direction of the a throat formed between the bulgings the pitch of the windings is one of steeper and flatter.
5. The spring core according to claim 1 , wherein the at least two springs are mutually connected by a spiral wire.
6. The spring core according to claim 1 , wherein the at least two springs are constructed as pocket springs.
7. The spring core according to claim 6 , wherein a row of the pocket springs are connected to form a spring strand.
8. The spring core according to claim 7 , wherein the spring strand is glued together with an adjacent spring strand in the end region of a bulging of individual pocket springs.
9. The spring core according to claim 8 , wherein an elastic intermediate layer is arranged between two of the spring strands.
10. The spring core according to claim 9 , wherein the intermediate layer includes a foamed material.
11. The spring core according to claim 9 , wherein the intermediate layer is glued together with the one of the pocket springs and the spring strands.
12. The spring core according to claim 1 , wherein a spring which differs from the at least two springs is inserted into a space formed by the at least two springs.
13. The spring core according to claim 12 , wherein the different spring is constructed as a barrel spring.
14. The spring core according to claim 13 , wherein the barrel spring rests in a throat of one of the at least two springs.
15. The spring core according to claim 13 , wherein the barrel spring projects over the at least two springs on one end of the at least two springs.
16. The spring core according to claim 13 , wherein at least one of the at least two springs in their entirety and the barrel springs are each mutually connected by a cover layer.
17. The spring core according to claim 5 , wherein the spiral wire connecting the at least two springs is in the form of a Bonell spring core.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005053123.7 | 2005-11-08 | ||
DE102005053123A DE102005053123A1 (en) | 2005-11-08 | 2005-11-08 | innerspring |
DE102005053123.7-16 | 2005-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070101507A1 true US20070101507A1 (en) | 2007-05-10 |
Family
ID=37719287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/593,078 Abandoned US20070101507A1 (en) | 2005-11-08 | 2006-11-06 | Spring core |
Country Status (3)
Country | Link |
---|---|
US (1) | US20070101507A1 (en) |
EP (1) | EP1782714A1 (en) |
DE (1) | DE102005053123A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2665391A1 (en) * | 2011-01-21 | 2013-11-27 | Sealy Technology LLC | Encased hourglass coils and mattress cores |
US20140373282A1 (en) * | 2013-06-19 | 2014-12-25 | L&P Property Management Company | Pocketed Spring Assembly Comprising Strings of Springs Having Y-Shaped Seams Separating Adjacent Pockets |
US20140373281A1 (en) * | 2013-06-19 | 2014-12-25 | L&P Property Management Company | Pocketed Spring Assembly Comprising Strings of Springs Having Y-Shaped Seams and Inserts |
US20140373280A1 (en) * | 2013-06-19 | 2014-12-25 | L&P Property Management Company | Pocketed Spring Assembly Comprising Strings of Springs Having Y-Shaped Seams and Inserts |
US20160029809A1 (en) * | 2013-03-14 | 2016-02-04 | Sealy Technology, Llc | Encased asymmetric coil innersprings with alternating coil spring orientations |
US20170335914A1 (en) * | 2016-05-20 | 2017-11-23 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US10206515B1 (en) * | 2017-09-20 | 2019-02-19 | L&P Property Management Company | Pocketed spring assembly |
US11305941B2 (en) | 2017-05-31 | 2022-04-19 | HS Products Limited | Transportation apparatus and method |
US11412860B2 (en) * | 2017-05-31 | 2022-08-16 | HS Products Limited | Pocketed spring unit and method of manufacture |
US11800937B2 (en) | 2012-08-10 | 2023-10-31 | Harrison Spinks Components Limited | Resilient unit with different major surfaces |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017219014A1 (en) | 2017-10-24 | 2019-04-25 | Thyssenkrupp Ag | Steering column for a motor vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4907309A (en) * | 1987-08-24 | 1990-03-13 | Andreas Breckle | Pocket-spring core mattress |
US6128798A (en) * | 1998-09-04 | 2000-10-10 | Sealy Technology Llc | Cavitated pad and innerspring assembly combination having springs with free terminal convolutions |
US7194777B2 (en) * | 2002-10-29 | 2007-03-27 | Kenneth Edling | Pocket mattress with varying height |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1963052A (en) * | 1932-11-25 | 1934-06-12 | George G Powers | Spring sturcture |
DE4000870A1 (en) * | 1990-01-13 | 1991-07-18 | Hahn Gmbh & Co | POCKET SPRING MATTRESS |
DE9100756U1 (en) * | 1991-01-23 | 1992-05-21 | Spintex Ag, Altendorf, Ch | |
ES2236717T3 (en) * | 1994-10-21 | 2005-07-16 | The Ohio Mattress Company Licensing And Components Group | CONSTRUCTION OF SPRINGS SPRINGS PROVIDED WITH FREE FINAL LOOP. |
US5885407A (en) * | 1996-04-29 | 1999-03-23 | Mossbeck; Niels S. | Method and apparatus for forming pocket spring coil mattresses |
JP3553346B2 (en) * | 1997-10-30 | 2004-08-11 | ドリームベッド株式会社 | Pocket coil structure made of morning glory spring |
US6966091B2 (en) * | 2002-11-27 | 2005-11-22 | Barber Manufacturing Company, Inc. | Coil innerspring assembly having varying degrees of firmness |
FR2861270B1 (en) * | 2003-10-27 | 2006-01-27 | Cie Continentale Simmons | POCKET HELICOID SPRING CHAPET FOR SPRING SUSPENSIONS WITH BEDDING MATTRESS SUSPENSIONS |
-
2005
- 2005-11-08 DE DE102005053123A patent/DE102005053123A1/en not_active Withdrawn
-
2006
- 2006-09-28 EP EP06121407A patent/EP1782714A1/en not_active Withdrawn
- 2006-11-06 US US11/593,078 patent/US20070101507A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4907309A (en) * | 1987-08-24 | 1990-03-13 | Andreas Breckle | Pocket-spring core mattress |
US6128798A (en) * | 1998-09-04 | 2000-10-10 | Sealy Technology Llc | Cavitated pad and innerspring assembly combination having springs with free terminal convolutions |
US7194777B2 (en) * | 2002-10-29 | 2007-03-27 | Kenneth Edling | Pocket mattress with varying height |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2665391A4 (en) * | 2011-01-21 | 2014-10-01 | Sealy Technology Llc | Encased hourglass coils and mattress cores |
EP2665391A1 (en) * | 2011-01-21 | 2013-11-27 | Sealy Technology LLC | Encased hourglass coils and mattress cores |
US11800937B2 (en) | 2012-08-10 | 2023-10-31 | Harrison Spinks Components Limited | Resilient unit with different major surfaces |
US20160029809A1 (en) * | 2013-03-14 | 2016-02-04 | Sealy Technology, Llc | Encased asymmetric coil innersprings with alternating coil spring orientations |
US9775442B2 (en) * | 2013-06-19 | 2017-10-03 | L&P Property Management Company | Pocketed spring assembly comprising strings of springs having non-linear separating seams |
US10426274B2 (en) * | 2013-06-19 | 2019-10-01 | L&P Property Management Company | Pocketed spring assembly comprising strings of springs having non-linear separating seams |
US9345334B2 (en) * | 2013-06-19 | 2016-05-24 | L&P Property Management Company | Pocketed spring assembly comprising strings of springs having Y-shaped seams separating adjacent pockets |
US20160213160A1 (en) * | 2013-06-19 | 2016-07-28 | L&P Property Management Company | Pocketed Spring Assembly Comprising Strings of Springs Having Non-Linear Separating Seams |
US9414692B2 (en) * | 2013-06-19 | 2016-08-16 | L&P Property Management Company | Pocketed spring assembly comprising strings of springs having Y-shaped seams and inserts |
US9427090B2 (en) * | 2013-06-19 | 2016-08-30 | L&P Property Management Company | Pocketed spring assembly comprising strings of springs having Y-shaped seams |
US20140373281A1 (en) * | 2013-06-19 | 2014-12-25 | L&P Property Management Company | Pocketed Spring Assembly Comprising Strings of Springs Having Y-Shaped Seams and Inserts |
US20140373282A1 (en) * | 2013-06-19 | 2014-12-25 | L&P Property Management Company | Pocketed Spring Assembly Comprising Strings of Springs Having Y-Shaped Seams Separating Adjacent Pockets |
US9968203B2 (en) | 2013-06-19 | 2018-05-15 | L&P Property Management Company | Pocketed spring assembly comprising strings of springs having non-linear separating seams |
US20140373280A1 (en) * | 2013-06-19 | 2014-12-25 | L&P Property Management Company | Pocketed Spring Assembly Comprising Strings of Springs Having Y-Shaped Seams and Inserts |
US10935098B2 (en) | 2016-05-20 | 2021-03-02 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US10598242B2 (en) * | 2016-05-20 | 2020-03-24 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US20200217384A1 (en) * | 2016-05-20 | 2020-07-09 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US20170335914A1 (en) * | 2016-05-20 | 2017-11-23 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US11305941B2 (en) | 2017-05-31 | 2022-04-19 | HS Products Limited | Transportation apparatus and method |
US11412860B2 (en) * | 2017-05-31 | 2022-08-16 | HS Products Limited | Pocketed spring unit and method of manufacture |
US10206515B1 (en) * | 2017-09-20 | 2019-02-19 | L&P Property Management Company | Pocketed spring assembly |
Also Published As
Publication number | Publication date |
---|---|
DE102005053123A1 (en) | 2007-05-10 |
EP1782714A1 (en) | 2007-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20070101507A1 (en) | Spring core | |
US5222264A (en) | Mattress construction | |
US7168117B2 (en) | Multi-stranded coil spring | |
JP4264489B2 (en) | Spring structure for bed mattress | |
CN105101846B (en) | Individually pocketed coil springs with cushion pads and pocket spring mattresses with such pocketed coil springs | |
US7178187B2 (en) | Asymmetric spring components and innersprings for one-sided mattresses | |
US10935098B2 (en) | Coil springs with non-linear loading responses and mattresses including the same | |
DK2967222T3 (en) | COVERED ASYMMETRIC SPIRAL SPRING INSERT WITH ALTERNATIVE ORIENTATIONS OF THE SPIRAL SPRING | |
KR101707713B1 (en) | A matress comprising a plurality of kinds of pocket spring which have different elastic deformation degree from each other | |
US10842289B2 (en) | Pocketed spring assembly including cushion pads | |
EP2096962B1 (en) | Suspension pocket spring system | |
JP2009502309A (en) | Inner spring unit | |
US20180055240A1 (en) | Spring core for a mattress | |
US9364095B2 (en) | Spring core having a fully active spring and method of manufacturing the same | |
US11033114B2 (en) | Coil-in-coil spring with variable loading response and mattresses including the same | |
US11596240B2 (en) | Pocketed spring assembly including cushion pads | |
AU2004201650B2 (en) | Multi-stranded coil spring | |
WO2001026507A1 (en) | Coil seating assembly | |
KR101727554B1 (en) | Mettress | |
KR101743900B1 (en) | Mattress | |
KR101054456B1 (en) | Rotary spring of mattress for bed reinforcement | |
US20120047657A1 (en) | Spring Assembly Having Continuous Bands of Springs | |
CN216754015U (en) | Spring, pocket spring string and spring core | |
CA2068620C (en) | Mattress construction | |
KR101310780B1 (en) | Stack spring structure for mattress |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: AGRO FEDERKERNPRODUKTIONS GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GROTHAUS, WOLFGANG;REEL/FRAME:018549/0224 Effective date: 20061019 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |