EP2473080A1 - Unterfederung sowie schlaf-, sitz- oder liegemöbel mit unterfederung - Google Patents
Unterfederung sowie schlaf-, sitz- oder liegemöbel mit unterfederungInfo
- Publication number
- EP2473080A1 EP2473080A1 EP10745544A EP10745544A EP2473080A1 EP 2473080 A1 EP2473080 A1 EP 2473080A1 EP 10745544 A EP10745544 A EP 10745544A EP 10745544 A EP10745544 A EP 10745544A EP 2473080 A1 EP2473080 A1 EP 2473080A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier profiles
- profiles
- suspension according
- spring suspension
- carrier
- 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
- 230000002787 reinforcement Effects 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims description 30
- 238000005452 bending Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 6
- 239000004917 carbon fiber Substances 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 210000000689 upper leg Anatomy 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
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/002—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern
Definitions
- the invention relates to a spring base according to the preamble of claims 1 and 20.
- the invention relates to a sleeping, sitting or lying furniture with such a spring base.
- the furniture mentioned usually have a suspension of a so-called slatted frame.
- On the slatted base is a support or upholstery with a sitting or lying area.
- the suspension is therefore referred to as a suspension.
- the slatted base has a plurality of support profiles, which are arranged parallel next to one another at a distance, in wooded form.
- the support profiles are usually connected by support body with longitudinal members of a rectangular frame, which is part of the spring base.
- the carrier profiles extend transversely to the longitudinal beams, may have different cross-sections and be made of a variety of materials.
- the cast iron profiles elastically yield or bend elastically.
- Object of the present invention is to provide a customizable spring base.
- the carrier profiles should be individually or group individually adjustable.
- the lower suspension according to the invention has all the features of claim 1.
- the support profiles are provided with at least one reinforcement spaced from the longitudinal axis and rotatable about the longitudinal axis or about an axis parallel thereto for varying its flexural stiffness against a force 5 in the direction perpendicular to the preferably common plane which is rectilinear in the direction transverse to the longitudinal axis also uneven, in particular Angled or arched can run.
- the carrier profiles are directly or indirectly on the padding and can be adjusted by a simple rotational movement about their longitudinal axes or axes parallel thereto to a specific load. In particular, a continuous adjustment is possible.
- the carrier profiles are then mounted correspondingly continuously rotatable. But also advantageous is an adjustment in small steps or angles of rotation.
- an adjustment is such that the rotation angle between the hardest position on the one hand and the softest position on the other hand is 90 ° or 180 °.
- the Träg ⁇ rprofile can be formed in various ways, with different cross sections, such as rectangular, square, hexagonal, square, oval, circular, hollow or solid. Also, the carrier profiles over their length may have changes in the shape and size of the cross section.
- the carrier profiles may have two reinforcements which are spaced apart from the longitudinal axis and located opposite one another.
- the reinforcements have a distance of 180 ° to each other. Between a relatively hard and a relatively soft position are then about 90 °.
- the reinforcements are in particular tension-resistant inserts in walls or supports on walls of the carrier profiles.
- the tension-resistant inserts can be formed by selecting special materials or by increasing the density of already existing tensile rigid materials. Outside the reinforcements, the carrier profiles have a lower tensile rigidity on the other hand.
- the carrier profiles are tubular with a circumferential inner surface and a circumferential outer surface, wherein the reinforcements are provided in particular on the inner surface, on the outer surface and / or between inner surface and outer surface.
- reinforcements between the inner and outer surface are incorporated.
- the support profiles are made of plastic, namely as glass fiber reinforced (GRP) pipes and have reinforcements made of carbon fiber in selected cross-sectional areas. Carbon fiber has a higher tensile stiffness than the glass fibers conventionally used for GRP parts, namely a lower elongation for the same load.
- GRP glass fiber reinforced
- the carrier profiles have two axes of different flexural stiffness given by the geometry and / or the material, wherein the two axes extend approximately perpendicular to one another and in particular also to the longitudinal axis.
- the carrier profiles in cross section to each other perpendicular axes of different flexural rigidity have larger dimensions than in the direction of the other axis.
- the carrier profiles are not rotationally symmetrical in cross-section but, for example, rectangular or oval.
- the carrier profiles are held in side bearings, pivot bearings or tilting bearings.
- Side bearings hold the carrier profiles especially at the ends.
- the pivot bearings hold the carrier profiles preferably at the ends.
- the aforementioned tilting bearings can be provided. These allow a tilting of the carrier profiles about an axis with distance to a central longitudinal axis. Tipping bearings are particularly intended for non-rotationally symmetrical carrier profiles.
- the carrier profiles can be designed as strips, rods or tubes, with a hollow or solid cross-section. Also, the cross section can change over the length of the carrier profiles, such as in a barrel shape or as a spherical surface of the carrier profiles.
- two or more support profiles may be coupled together to form a support unit.
- a geared coupling of two or more carrier profiles in particular for opposite rotation of the carrier profiles, be provided.
- two or more carrier profiles form a common, with respect to the bending stiffness adjustable support unit.
- two carrier profiles of a carrying unit are held in a substantially in the common plane, preferably at a distance from each other.
- the transverse forces can be compensated, for example by counter-rotating or tilting of similar carrier profiles within the same carrying unit.
- two carrier profiles of a carrying unit can be arranged inside one another or arranged and held concentrically with one another.
- a thinner, tubular carrier profile is rotatably supported in a thicker, tubular carrier profile.
- the carrier profiles are each tilted about a tilting axis, wherein the tilting axes extend at the edge of the cross section or outside the cross section of the respective carrier profile.
- the two carrier profiles may be coupled together in the region of these tilting axes, in particular with mutually aligned tilting axes.
- two rectangular strips are connected to each other via a hinge strap. When the hinge is folded flat, the bending stiffness is low. By folding both strips in each case by the same angle - up to an upright standing cross-section - the flexural rigidity can be increased, and vice versa. versa.
- two strips or flat profiles can be provided as support profiles within a support unit, which are held tiltably.
- two or more carrier profiles are provided with a common holder, in particular for maintaining a certain distance or distance range of the carrier profiles from each other.
- the common holders can also be common support bodies for connection to the frame or to the longitudinal bars. But it is also possible the arrangement of supporting bodies plus separate holder for connecting the two or more carrier profiles together.
- the holders are designed so that the carrier profiles maintain a certain distance, at least in the region of the holder. It is also possible to use compliant or elastic holders, so that a certain distance between the carrier profiles is maintained.
- the holders may have upper bearing surfaces, such as for a padding.
- the padding is then at least in the area of the holder on the bearing surfaces, incidentally on the carrier profiles or possibly other elements.
- the bearing surfaces can also be formed resiliently and thus complement the spring characteristic of the carrier profiles or the support unit.
- the holders are provided with spring elements or wings, preferably with F ⁇ der Sign in the direction perpendicular to the common plane of the carrier profiles and / or with respect to the distance of the carrier profiles to each other.
- the carrier profiles are bars or tubes made by pultrusion.
- pultruding material-related reinforcements can be incorporated in the cross section of the respective carrier profile, for example carbon fibers instead of or in addition to glass fibers.
- a further embodiment of the lower suspension according to the invention has the features of claim 20.
- the carrier profiles differed by two axes given by the geometry and / or the material. Licher bending stiffness, wherein the two axes are preferably perpendicular to each other and in particular also to the longitudinal axis perpendicular, and wherein each two or more carrier profiles are coupled together to form a support unit.
- the axes of different bending stiffness are combined with the idea of coupling two or more support profiles to a support unit.
- the carrier profiles within the same support unit are preferably rotated or tilted against each other.
- the axes of different bending stiffness can also be congruent or parallel.
- the invention also provides a sleeping, sitting or lying furniture with a spring base according to the features and properties presented above.
- Fig. 1a to c cross sections through paired, tubular
- FIG. 5 is a schematic plan view of a portion of a lower suspension with paired side by side carrier profiles and mounted thereon holders with spring elements, as shown in Fig. 1a to c.
- a lower suspension for a padding (mattress) of a bed has a plurality of paired, carrier profiles 10, 11, which are tubular in the figures, unless otherwise stated.
- Each carrier profile 10, 11 is formed with two orthogonal axes s, w different bending stiffness.
- the carrier profiles 10, 11 each provided at a distance from each other provided reinforcements 12, 13 on the circumference.
- the reinforcements 12, 13 may be formed by otherwise deviating from the carrier profile materials or additionally provided.
- the carrier profiles 10, 11 are rotatably mounted about their longitudinal axes. During rotation, the flexural rigidity changes with respect to a force F acting from above on the carrier profiles 10, 11 arranged horizontally next to each other.
- the carrier profiles 10, 11 have the greatest bending stiffness against the action of the force F due to the respective lower and upper reinforcements 12, 13.
- the carrier profiles 10, 11 rotated in opposite directions, as shown in Fig. 1 b, get the reinforcements 12, 13 in an intermediate position with obliquely directed axes s and w.
- the reinforcements 12, 13 come to rest laterally, see FIG. 1c).
- the axes s would be horizontal and the axes w would be vertical.
- the flexural rigidity is lowest in the position according to FIG. 1c).
- the receptacles 15, 16 have a part-circular cross section and are open at the bottom.
- the teilkr ⁇ isförmige cross section extends over about 210 ° to 270 °.
- the holders 14 can therefore be attached to the carrier profiles 10, 11 with appropriate elasticity of the material used.
- the receptacles 15, 16 may be formed closed.
- the carrier profiles 10, 11 could then be inserted in the direction perpendicular to the image plane in the receptacles 15, 16.
- the wings 18, 19 may be rigid or resilient, so that in addition to the elasticity of the carrier profiles 10, 11 a separate elasticity of the wings 18, 19 against the padding, not shown, is effective.
- the material for the holder 14 should be selected accordingly. Preferably, it is elastically yielding plastic.
- Each wing 18, 19 is formed toward its end 22 with decreasing thickness.
- Fig. 2b shows a modification to Fig. 1b).
- the carrier profiles 10, 11 are rotated in the same direction (parallel) by approximately 45 °.
- a centrally acting from above on the holder 14 force F then leads to a slightly laterally offset reaction movement R.
- R In the arrangement of two such carrier profile pairs with corresponding holders and with a rotation of the support profiles of the one pair in one direction and the other pair in the opposite direction can be deliberately set a stretch or compression of the upholstery under heavy load.
- FIG. 2c) shows a third variant.
- the two carrier profiles of the same holder 14 are rotated relative to each other such that the left carrier profile 10 have minimal bending stiffness and the right carrier profile 11 maximum bending stiffness.
- a centrally acting, vertical force F then leads to a slight rotation of the holder 14 with the wings 18, 19 in the direction of the arrow R.
- FIGS. 3a) to d) show carrier profiles 10, 11 lying one inside the other, namely tubes arranged concentrically.
- the holder 14 is seated with a receptacle 24 on the respective outer support profile 10.
- Fig. 3a) shows a rotation angle of the carrier profiles 10, 11 with maximum bending stiffness - a hard setting.
- Fig. 3b) shows in contrast a partially counter-rotated position of the carrier profiles - a middle setting.
- a soft setting finally shows Fig. 3c) with respect to FIG. 3a) rotated by 90 ° support profiles 10, eleventh
- Fig. 3d is comparable to Fig. 2b).
- a force acting perpendicularly from above on the holder 14 results in a slight lateral offset of the holder 14.
- No pipes, but rectangular strips show the Fig. 3e) and 3f).
- the carrier profiles 25, 26 designed here as rectangular strips can be bent or swiveled in the common receptacle 24 about an overhead, linear bearing 27.
- Fig. 3e) shows an upright in cross-section, parallel position of the carrier profiles 25, 26 at a small distance, while in Fig. 3f) a partial upwardly and outwardly pivoted position of the carrier profiles 25, 26 is shown.
- a substantially inverted V-shaped arrangement of the carrier profiles results for FIGS. 3e), 3f).
- a high degree of bending stiffness is present, whereas a lower flexural rigidity results from the pivoted arrangement according to FIG. 3f).
- FIGS. 1a) to 3f) is the formation as a double element, namely with two carrier profiles forming a spring unit, and the possibility of common, symmetrical or asymmetrical adjustment of the carrier body together.
- the wings 18, 19 as spring elements in each case on the left and right of the carrier profiles 10, 11 and 25, 26 are arranged.
- Alternative embodiments are shown in FIGS. 4a) to 4c).
- a holder plane 28 is provided which rests rigidly or elastically on the paired carrier profiles 10, 11.
- the receptacles 15, 16 for the two carrier profiles 10, 11 are held on downward and at the same time inwardly curved carriers 29, 30.
- the carrier 29, 30 may be elastic or rigid.
- Fig. 4b is similar to the representation in Fig. 4a), but with significantly elastic trained carriers 31, 32 and adjoining a shortened holder plane 33 resilient wings 34, 35.
- Fig. 4c) shows an exemplary embodiment with an elastic coupling 36 of two wings 37, 38 with receptacles 15, 16. This overall arrangement has an increased torsional ability, which can also be made adjustable.
- the illustrated carrier profiles 10, 11 and 25, 26 may also have different cross-sectional profiles and z. B. hexagonal or otherwise designed.
- An octagonal profile would have the advantage that, for example, the angles of rotation (0 °, 45 °, 90 °) apparent in FIGS. 1a), b), c) do not change after adjustment under load.
- the cross-sectional profile stabilizes the angle of rotation.
- the plan view of FIG. 5 shows the pairwise mounting of the carrier profiles 10, 11 in or on a support body 39 on a longitudinal member 40 of a frame, which is part of a lower suspension.
- the support body 39 is here at the same time side bearing for the storage of two carrier profiles. Longitudinal axes 41, 42 of the carrier profiles extend in a horizontal plane parallel to each other.
- the carrier profiles 10, 11 are also coupled outside the support body 39 by the holders 14, which here have the wings 18, 19 shown in FIGS. 1 a) to c).
- the holder 14 are placed at a distance from each other.
- the holders 14 in the direction of the longitudinal axes 41, 42 are significantly narrower than the wings 18, 19. Other proportions are possible.
- a single relatively wide holder may be provided instead of a plurality of holders 14, a single relatively wide holder may be provided.
- the carrier profiles 10, 11 are coupled to each other by means of a gear or in some other way.
- a manual adjustment of the carrier profiles is provided. But it is also possible a motor drive.
- carrier profiles 10, 11 may be provided without holder and wings.
- a minimal solution would be the use of non-paired carrier profiles, but individually and with spaced carrier profiles, which are preferably rotatably mounted in respective support bodies and in particular also allow small rotation angle (as shown in the figures).
- the support profiles 10, 11 shown in the figures are in particular produced by pultrusion and are preferably made of plastic with embedded carbon fibers or glass fibers or other materials defining a specific rigidity.
- the carrier profiles 10, 11 are otherwise (only) glass fiber reinforced. Due to the different properties of said reinforcing materials, the different bending stiffnesses in the direction of the axes s and w, see Fig. 1a.
- the position of the cross-sectional profile opposite relatively stronger reinforcements 12, 13 made of carbon fiber results in the already mentioned rotation angle of 90 ° between the hardest and the softest setting.
- the reinforcements shown in FIGS. 1 a to 3 d extend essentially over the full thickness of walls of the tubular carrier profiles 10, 11. At the same time, the reinforcements 12, 13 extend in the circumferential direction over approximately 30 ° to 90 °, preferably approximately 60 °.
- the reinforcements may also be formed and / or embedded in other ways, such as one or more round rod-shaped deposits. Finally, the reinforcements can also be applied inside or outside on the carrier profiles.
Landscapes
- Springs (AREA)
- Invalid Beds And Related Equipment (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009039321 | 2009-08-31 | ||
DE102009043009A DE102009043009A1 (de) | 2009-08-31 | 2009-09-28 | Unterfederung sowie Schlaf-, Sitz- oder Liegemöbel mit Unterfederung |
PCT/EP2010/004987 WO2011023307A1 (de) | 2009-08-31 | 2010-08-13 | Unterfederung sowie schlaf-, sitz- oder liegemöbel mit unterfederung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2473080A1 true EP2473080A1 (de) | 2012-07-11 |
EP2473080B1 EP2473080B1 (de) | 2013-06-12 |
Family
ID=43525260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10745544.6A Active EP2473080B1 (de) | 2009-08-31 | 2010-08-13 | Unterfederung sowie schlaf-, sitz- oder liegemöbel mit unterfederung |
Country Status (6)
Country | Link |
---|---|
US (1) | US8745783B2 (de) |
EP (1) | EP2473080B1 (de) |
CN (1) | CN102573573B (de) |
DE (1) | DE102009043009A1 (de) |
ES (1) | ES2425205T3 (de) |
WO (1) | WO2011023307A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9268532B2 (en) | 2009-02-25 | 2016-02-23 | International Business Machines Corporation | Constructing a service oriented architecture shared service |
FR2990833B1 (fr) * | 2012-05-23 | 2017-01-06 | Tournadre Sa Standard Gum | Dispositif de suspension pour un sommier a raideur reglable |
DE102012009646A1 (de) * | 2011-11-14 | 2013-05-16 | Thomas Beteiligungs- und Vermögens-GmbH & Co. KG | Unterfederung für insbesondere eine Matratze |
DE202013103212U1 (de) * | 2013-07-17 | 2013-09-18 | Lorenz Kunststofftechnik Gmbh | Federleisten-Lagerkörper eines Lattenrostes |
CN106488726B (zh) | 2014-04-24 | 2019-11-01 | 阿希礼家具工业公司 | 用于家具组件的下拉座板 |
FR3035579B1 (fr) * | 2015-04-30 | 2017-12-08 | Tournadre Sa Standard Gum | Dispositif monobloc de suspension de matelas |
EP3518708A4 (de) | 2016-09-29 | 2020-05-27 | Steelcase Inc. | Nachgiebige sitzstruktur |
BE1024394B1 (nl) * | 2016-12-14 | 2018-02-07 | Custom8 Nv | Steunmodule voor een adaptief slaapsysteem en adaptief slaapsysteem |
CN111295114B (zh) * | 2017-11-06 | 2023-07-14 | 宜家供应有限公司 | 坐式家具支承装置 |
US11291305B2 (en) | 2017-12-05 | 2022-04-05 | Steelcase Inc. | Compliant backrest |
US10813463B2 (en) | 2017-12-05 | 2020-10-27 | Steelcase Inc. | Compliant backrest |
EP4030968A4 (de) | 2019-09-18 | 2023-10-04 | Steelcase Inc. | Körperstützelement mit gitterstruktur |
WO2021178206A1 (en) | 2020-03-02 | 2021-09-10 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
US11812870B2 (en) | 2021-02-10 | 2023-11-14 | Steelcase Inc. | Body support structure |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH668891A5 (de) * | 1983-01-13 | 1989-02-15 | Matra Ag | Federleistenanordnung fuer ein bettgestell. |
BE903459A (nl) * | 1985-10-16 | 1986-02-17 | Salens Luc | Inrichting voor het ten opzichte van een bedframe instellen van buiglatten |
DE3718285A1 (de) * | 1987-05-30 | 1988-12-15 | Dormilux Gmbh | Lagerkoerper |
ATE195229T1 (de) * | 1995-03-22 | 2000-08-15 | Thomas Beteil & Vermoeg Gmbh | Federbrücke für eine untermatratze |
FR2743280B1 (fr) * | 1996-01-10 | 1998-02-13 | Transformation Et De Distribut | Sommier constitue de lattes paralleles |
FR2771270B1 (fr) * | 1997-11-27 | 2000-02-11 | Oniris Sa | Dispositif d'ajustement variable de la souplesse d'un sommier a lattes |
FR2771909B1 (fr) * | 1997-12-05 | 2000-02-11 | Gelis Isabelle De Bouvier Math | Sommier a lattes |
KR100897197B1 (ko) * | 2004-07-26 | 2009-05-14 | 스미도모쥬기가이고교 가부시키가이샤 | 사출장치 |
FR2885020B1 (fr) * | 2005-04-27 | 2011-11-25 | Tournadre Sa Standard Gum | Embout de lattes bi-matiere |
US7552491B2 (en) * | 2005-11-10 | 2009-06-30 | Voelker Ag | Lying surface for a bed, in particular a healthcare and/or hospital bed |
-
2009
- 2009-09-28 DE DE102009043009A patent/DE102009043009A1/de not_active Withdrawn
-
2010
- 2010-08-13 WO PCT/EP2010/004987 patent/WO2011023307A1/de active Application Filing
- 2010-08-13 ES ES10745544T patent/ES2425205T3/es active Active
- 2010-08-13 EP EP10745544.6A patent/EP2473080B1/de active Active
- 2010-08-13 US US13/392,567 patent/US8745783B2/en active Active
- 2010-08-13 CN CN201080045568.5A patent/CN102573573B/zh active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011023307A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2473080B1 (de) | 2013-06-12 |
CN102573573B (zh) | 2015-09-23 |
US20120168997A1 (en) | 2012-07-05 |
ES2425205T3 (es) | 2013-10-14 |
DE102009043009A1 (de) | 2011-03-03 |
US8745783B2 (en) | 2014-06-10 |
CN102573573A (zh) | 2012-07-11 |
WO2011023307A1 (de) | 2011-03-03 |
WO2011023307A8 (de) | 2011-04-28 |
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