EP2780503A1 - Method and device for producing a round sling - Google Patents
Method and device for producing a round slingInfo
- Publication number
- EP2780503A1 EP2780503A1 EP12787736.3A EP12787736A EP2780503A1 EP 2780503 A1 EP2780503 A1 EP 2780503A1 EP 12787736 A EP12787736 A EP 12787736A EP 2780503 A1 EP2780503 A1 EP 2780503A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scrim
- strands
- thread
- individual
- thread 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 41
- 239000004744 fabric Substances 0.000 claims abstract description 40
- 238000009958 sewing Methods 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 239000010410 layer Substances 0.000 description 55
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/16—Auxiliary apparatus
- D07B7/165—Auxiliary apparatus for making slings
Definitions
- the invention relates to a method and an apparatus for producing a round sling.
- a round sling is known to be a sling, for example, to wrap around and carry high loads of virtually any shape and possibly pull.
- the round sling essentially relies on a scrim consisting of high-strength thread strands or fiber strands, which are typically wound endlessly. This makes the finished round sling very flexible and can be easily adapted to the contours of each load.
- a protective tube provided, which, however, does not have a supporting function regularly.
- the prefabricated protective tube is kept compressed in its length.
- a thread strand is passed through the compressed protective tube in its longitudinal direction.
- the thread strand is placed in the connection thereto in the manner of the rope of an endless rope drive with its both sides of the compressed protective tube protruding areas over the circumference of a wheel disc.
- the thread strand is connected to the not yet drawn through the protective tube thread strand area such that this thread strand area is continuously tightened u nd som it passes through the compressed protective tube in a variety of single strands.
- a sheath designed as a hollow braid or a corresponding protective tube is realized.
- the end portions of the enclosure are nested in a connection zone and are interconnected overlapping each other. This results in a relatively complex production of the protective tube.
- DE 203 09 528 U1 proposes that the lateral surface of the protective hose has connecting means detachable from one another on the longitudinal sides and / or transverse sides. These may be components of a hook and loop fastener.
- the known measures have been proven, but can be predominantly applied only at low loads, because otherwise there is a risk that the protective tube is uncontrollably removed from the thread scrim.
- the round sling which is finally still proposed in the context of EP 0 594 1 61 A1, is equipped with a protective tube made of a tubular fabric with inner and outer fabric layers. The two outer edges of the protective hose are all connected together.
- the inner jacket and the outer jacket are coupled to one another by additional binding elements located between both outer edges.
- additional binding elements are, for example, a binding chain. Also in this case problems can arise at high loads.
- curtain sag This is generally understood to mean the phenomenon that individual thread strands can leave or leave the thread scrim and sag against the scrim. Consequently, these thread strands can not (more) contribute to the transmission of power. As a result, more thread strands are ultimately needed than necessary to ensure the specified load capacity in any case. This leads to increased and ultimately unnecessary costs.
- the invention aims to provide a total remedy.
- the invention is based on the technical problem of specifying a method and an apparatus for producing a round sling, which are particularly suitable for high payloads of more than 100 t and more and in which in particular the described curtain formation is avoided.
- the invention provides a method for producing a round sling, after which individual yarn strands or fiber strands are twisted together to form at least one longitudinally extended scrim, and then the scrim is wrapped with at least one preferably edge, longitudinally sewn fabric tape defining a protective tube ,
- the individual yarn strands or fiber strands of the longitudinally extending fabric scrim are thus twisted together or twisted together.
- the individual thread strands can be wound against each other or be helical ig or dietaryiförm ig u wound u myander.
- the individual thread strands can also be wound around a common core in this context or the thread strands are wrapped around the core in question.
- the core in question can be constructed from a single or several thread strands.
- This not only includes a thread strand of, for example, plastic, but can be worked at this point with a steel core or a soul of another material.
- the core can be moved in the transport direction.
- the thread strands wrapped around the core during this movement in the transporting direction are entrained in this process by the core by friction or by frictional forces.
- the coils are usually designed stationary. It is of course also possible to move the coils and, for example, to hold the core stationary.
- the coils are wrapped around the core in the manner of a revolver.
- the core is arranged in the center of the revolver. So can proceed with the first-mentioned variant.
- the thread strands are usually deducted axially and / or tangentially from the relevant coil.
- the described procedures can also be combined. That is, it is possible to move the core in the transporting direction and at the same time also to move the spools in the transporting direction or also opposite thereto.
- the coils arranged on a preferably rotatable coil table perform a rotary movement about the center of the coil table in which the core is typically located. That is, the individual thread strands are fed from the coils of the rotatable spool table.
- each threadline is capable of receiving a load corresponding to its design in the elongate scrim of the invention thus produced.
- the protective tube or its attachment is integrated directly into the production process of the scrim. This usually succeeds the figure that the
- Protective tube is designed as a fabric tape, which is placed directly around the manufactured scrim and peripherally sewn longitudinally. It is basically possible to work with folded edges.
- the necessary longitudinal seam of the protective tube is usually prepared by means of a laterally arranged sewing machine or generally a sewing / closing device, which is usually designed to be movable in the longitudinal direction of the yarn layer.
- the invention also includes variants such that the protective tube has been previously upset and the round sling is made through the thus upset protective tube. After completion of the yarn layer of the previously upset protective tube is pulled in the manner of a tube over the longitudinally extending scrim. In this case, the protective tube from the outset tubular or cylindrical designed and requires no additional L jossvernähung.
- the described design of the round sling according to the invention with the elongated scrim and the surrounding protective tube opens the possibility to adapt the round sling to the specific requirements.
- the individual thread strands can be wound so helically or helically around each other in their twist described that the feed rate of a core or the speed of Schiingenher ein and the unwinding of the individual thread strands of the coils are tuned to each other by means of a control unit.
- the number of turns of the twist per unit length in the longitudinal extent of the yarn layer thus produced can be adjusted flexibly.
- the number of turns does not necessarily affect the total number of turns
- Carrying capacity but takes into account the achievable flexibility of the round sling and the conditions of use.
- the individual thread strands of the longitudinally extending fabric layer can in turn be constructed of synthetic threads, which are twisted together to form the thread strand. This is usually the case. Consequently, the single thread strand can also be referred to as a thread card.
- the synthetic threads may be those of polyester (PES), polyethylene (PE), polyamide (PA) or polypropylene (PP).
- the thread strands can also be made of a different material than plastic, for example steel. In this case, the thread strands are steel strands.
- the individual threads are made for example of high-strength multifilament yarns, which in turn can be twisted.
- the longitudinally extending scrim produced in this way is a special longitudinally extended textile cylindrical structure which, according to the invention, is made up of the at least partially twisted yarn strands. D. h., The individual thread strands are not directly connected to each other, but twisted together in the manner of a rope.
- the individual thread strands are rotated together and in this way form the oblong and pliable elongated and predominantly cylindrical scrim.
- the individual thread strands are usually stored on spools.
- the coils can be found on a turnable coil table. By rotating the coil table, the yarn strands supplied by the individual bobbins are twisted together to form the longitudinally extended yarn layer.
- the twisting of the individual thread strands usually takes place in the same direction of rotation.
- the longitudinally extending scrim is formed in the manner of a dc rope, which makes the scrim particularly supple and flexible.
- the individual thread strands can be brought together by means of a laying arm at the beginning of the yarn layer.
- the laying arm may also ensure that the individual thread strands are guided during the production of the thread scrim.
- the laying arm generally ensures a manipulation of the individual thread strands with each other or to each other and / or for a manipulation of the yarn layer produced from the thread strands.
- the laying arm may optionally be equipped with a splicing device.
- the splicing device can in the simplest case be a plastic welding device which ensures that the individual threads or thread strands are welded together, for example at the beginning of the thread scrim, and thus spliced in this way.
- the rotatable coil table with the optional arm connected thereto can be moved along a production direction of the yarn layer.
- a guide for the coil table is usually available.
- the guide for the coil table extends logically in the production direction of the yarn layer.
- the scrim is generally guided over at least two end-side deflection rollers. From these pulleys, at least one end-side deflection roller may be moved to vary the length of the round loop or be designed to be movable. In this way round slings of virtually any length can be easily manufactured.
- At least one further guide roller is provided between the two end-side deflection rollers described above.
- the guide roller is generally used to support and / or guide the yarn layer and is interposed between the two end-side pulleys. The leadership so stel lt sure that the scrim does not "sag" between the two pulleys in the course of its production.
- the scrim in his manufacturing process with the help of at least one open tube or upset hose wholly or partially.
- the procedure is similar to that already described with respect to the protective tube.
- the scrim is passed through the respective open tube and the tube is then then wrapped by other thread strands with.
- the hose in this case takes over completely or partially the function of the already mentioned core. That is, the scrim for producing the round sling can in turn be constructed of several layers, which are in the nature of concentric ring circles around a core region or
- the invention also relates to a device which is particularly suitable for producing a round sling and in particular for carrying out the method described above.
- the device usually has a base for receiving the rotatable coil table with the coils thereon and the guide for the coil table.
- the base acts as a receptacle for the combined sewing / closing device.
- this sewing / closing device the scrim can be wrapped, at the same time a marginal longitudinal sewing of the at least one fabric belt to define the protective tube for the scrim is held.
- this at least one fabric band can be wrapped around the scrim in its longitudinal direction and sewn longitudinally along the abutting respective end edges.
- the fabric tape for the realization of the protective tube may be a fabric tape made of woven plastic threads such as PE, PA or PP. In order to increase the abrasion resistance even a multi-layered design of the fabric tape is possible. In addition, the fabric tape can easily with a print, a patch
- a method and an apparatus are provided which are particularly suitable for producing a round sling. It can be realized with the help of the method according to the invention in particular round slings, which are designed and suitable for very high loads, which can be up to several 100 t.
- the mastery of such loads succeeds in the core in that first of all the individual thread strands for defining the longitudinally extending thread scrim are twisted together, similar to a rope which is produced by a dc impact of the individual thread strands.
- the required elasticity of the core of the round sling defining yarn layer is provided. On the other hand, this ensures that all thread strands are involved in the load.
- the number of thread strands can be flexibly adapted to the particular load to be absorbed. This is usually done in such a way that the thread strands with their individual strength summarily take into account the total load to be absorbed while taking into account a safety buffer. This opens up the possibility of flexible adaptation of the filament loom to the load to be absorbed.
- the protective tube which can be adapted to this, depending on the diameter of the longitudinally extended yarn layer to be accommodated in the interior. In this way it is achieved, on the one hand, that the protective tube more or less accurately encloses the longitudinally extended scrim accommodated in the interior, and, on the other hand, that the thread strands are mutually reversible
- Such a change in the direction of rotation when twisting the thread strands is also possible in principle during the production of the longitudinally extended thread scrim, even without an intermediate tube, in order to avoid the described untwisting.
- the protective tube ensures this, the attachment and wrapping of the yarn layer according to the invention is integrated into the manufacturing process.
- the invention proposes that the protective tube nachträgl I, d .h. after completion of the yarn layer, is attached. This is done regularly in such a way that at least one fabric band is wrapped around the manufactured scrim in the longitudinal direction and undergoes edge-side L Kunststoffsvernähung.
- the protective tube accommodating and enclosing the longitudinally extending scrim is specifically adapted to the inside of the scrim from its dimensions. As a result, waste is prevented and the scrim is held in the assumed constellation with the twisted yarn strands. Any downstream production steps for attachment or application of the hose omitted. That is, the scrim is stable in shape and location. This is additionally supported by the integrated sewing process.
- the main benefits are the main benefits.
- Fig. 2 shows the object of Fig. 1 in a modified embodiment
- Fig. 3 shows a round sling produced by means of the device according to Figures 1 and 2 in section.
- the round sling 1, 2 is composed of a cylindrical and longitudinally extended scrim 2 as a core and a protective tube 1 surrounding the scrim 2.
- the protective hose 1 is constructed from two fabric strips 1 which are sewn longitudinally along the edges and define the protective hose 1.
- the device has a base 3 which accommodates various elements to be described below.
- This includes a rotatable coil table 4 with coils 5 thereon for individual thread strands 6.
- the thread strands 6 located on the coils 5 are twisted together to form the longitudinally extended thread layer 2, by rotating the individual coils 5 receiving coil table 4 about its axis A.
- the coil table 4 can be designed to be split or can be pivoted up to the respective thread strand 6 or a core around which the individual thread strands 6 are wound around to spend in the center of the associated coil 5, as shown in FIG. 2 is shown.
- the coils 5 are arranged revolver-like around the center, usually at the same angular distance from each other.
- the individual coils 5 are rotatably mounted relative to the coil table 4. In principle, however, the coils 5 can also be firmly connected to the coil table 4. In any case, the previously described twisting is achieved in that the coil 5 accommodating the individual coils 5 is rotated about its axis A. In this process, the individual thread strands 6 are withdrawn axially and / or tangentially from the associated coils 5.
- the individual thread strands 6 can be wrapped around a central core.
- a previously arranged in the center of the coils 5 single thread strand 6 may act as a core. It is crucial that the thread strands 6 extend helically around the core in question or in the longitudinal direction L of the fabric layer 2 produced or a longitudinal axis L oriented central axis of the yarn layer 2 produced in this manner helically or helically surround.
- the production of the twisting or the yarn layer 2 overall takes place in the already mentioned longitudinal direction L, which consequently coincides with the production direction L of the yarn layer 2.
- the basic structure also includes a guide 7 for the coil table 4.
- the coil table 4 is in the embodiment of FIG.
- the coil table 4 is fixedly connected to the guide 7. In both cases, the coil table 4 is of course rotated about its axis A, in order to achieve the described twist of the thread strands 6 in the manufacture of the yarn layer 2.
- the coil table 4 can be moved along the guide 7 in the longitudinal direction or production direction L of the yarn layer
- the coil table 4 can reciprocate over the deflection rollers 1 1, 12 or connected to the base 3 deflection points.
- the axis A of the coil table 4 and the longitudinal direction L or the longitudinal extension of the guide 7 are arranged perpendicular to each other. That In this case, the coil table 4 and the base 3 are oriented predominantly parallel to one another.
- An additionally provided laying arm 10 takes over the task of delivering the yarn strands 6 around the deflection rollers 1 1, 1 2 around. If the coil table around the deflection points or pulleys 1 1, 12 herumlake or can drive around, the laying arm 10 is unnecessary.
- the laying arm 10 extends approximately parallel to the axis A of the coil table 4.
- the individual thread strands 6 can be manipulated.
- the entire manufactured fabric scrim 2 can be manipulated.
- the help of the laying arm 10 for example, a beginning of the yarn layer 2 at the end-side deflection roller 1 1 set.
- the individual yarn strands 6 are brought together by means of the laying arm 10 at the beginning of the yarn layer 2, in the example of an end-side guide roller 1 first Now, if the coil table 4 is moved with simultaneous rotation along the guide 7, so arises in this process the scrim 2 in the longitudinal direction L by the individual thread strands 6 are twisted together.
- the laying arm 10 may then transfer the manufactured scrim 2 to the further end-side deflection roller 12.
- the guide roller 12 is designed to be movable in the longitudinal direction L, so that in total the length of the round sling can be changed in this way.
- the thread scrim 2 is now performed by means of the laying arm 10 to the movable guide roller 12 and subsequently returned to the fixed guide pulley 1 1.
- the laying arm 10 may ensure that the two ends of the yarn layer 2 and the respective thread strands 6 are connected to each other. In this way, the entire thread scrim 2 is guided around the two deflection rollers 1 1, 12 in the manner of a closed cable drive.
- a further guide roller 13 located between the two end deflection rollers 1 1, 12 ensures that the produced fabric layer 2 is supported between the two deflection rollers 1 1, 1 2.
- the thread scrim 2 has a considerable weight depending on the load to be picked up, wherein the at least one guide roller 13 prevents sagging of the scrim 2 between the two deflection rollers 11, 12 overall.
- the pulleys 1 1, 12 can be adjusted relative to each other with respect to their distance, respectively, to be able to produce, for example, Rundsch l ingen undersch iedl icher total length.
- Such mobility is also possible in the embodiment of FIG. 1 and already with reference to the longitudinal direction L relative to the base 3 displaceable Umlen roller 1 2 has been described.
- a thread strand 6 is guided around the two deflection rollers 1 1, 12 and connected at its two ends in the manner already described as it were rope drive.
- guide roller 13 may again assume a support function as already described.
- the preparation of the yarn layer 2 is now such that the yarn strands 6 are delivered from the associated coils 5 in the example to the core, which passes through the center of the coil table 4 therethrough.
- the individual yarn strands 6 are here deducted by the rotational movement of the guide rollers 1 1, 12 of the coils 5.
- a combined sewing / closing device 8 also belongs to the further basic structure of the illustrated device.
- two sewing / closing devices 8 are provided, which are arranged on both sides of the guide 7.
- an edge-side longitudinal seam 9 is now attached by means of the respective sewing / closing device 8.
- the respective sewing / closing device 8 is used for wrapping and simultaneously edge-side longitudinal sewing of the two fabric tapes 1 with simultaneous definition of the protective tube 1 produced in this way for the fabric scrim 2.
- longitudinal sewing is in the context of the variant of FIG. 3rd in each case a longitudinal seam 9 attached on both sides of the yarn layer 2 between the two fabric tapes 1 to be joined together at their longitudinal edge.
- a longitudinal seam 9 attached on both sides of the yarn layer 2 between the two fabric tapes 1 to be joined together at their longitudinal edge.
- Tube 14 with the first layer 2 'of the rectangular fabric band 1 of the fabric layer 2 located therein is then wrapped by further yarn strands 6, so that a second layer 2 "is formed. in a longitudinal direction L are arranged layers 2 'and 2 "with the open tube 14 located therebetween.
- a longitudinal direction L are arranged layers 2 'and 2 "with the open tube 14 located therebetween.
- the yarn layer 2 produced in this way from the twisted yarn strands 6 is then wrapped with the aid of the fabric strip 1, which is longitudinally sewn, or defined by at least one longitudinal seam 9, the protective tube 1.
- the fabric strip 1 which is longitudinally sewn, or defined by at least one longitudinal seam 9, the protective tube 1.
- a longitudinal seam 9 connecting the two longitudinal edges of the rectangular fabric band 1 with one another can be worked. If two fabric strips 1 are used, the respective longitudinal edges are laid one on top of the other as shown in FIG. 3 and connected to one another with the aid of associated longitudinal seams 9 extending on both sides of the fabric layer 2.
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12787736T PL2780503T3 (en) | 2011-11-17 | 2012-11-16 | Method and device for producing a round sling |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011055454.8A DE102011055454B4 (en) | 2011-11-17 | 2011-11-17 | Method and device for producing a round sling |
PCT/EP2012/072913 WO2013072499A1 (en) | 2011-11-17 | 2012-11-16 | Method and device for producing a round sling |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2780503A1 true EP2780503A1 (en) | 2014-09-24 |
EP2780503B1 EP2780503B1 (en) | 2016-10-12 |
Family
ID=47191770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12787736.3A Active EP2780503B1 (en) | 2011-11-17 | 2012-11-16 | Method and device for producing a round sling |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2780503B1 (en) |
DE (1) | DE102011055454B4 (en) |
PL (1) | PL2780503T3 (en) |
WO (1) | WO2013072499A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202015100291U1 (en) | 2015-01-22 | 2015-03-02 | Westdeutscher Drahtseil-Verkauf Dolezych Gmbh & Co. Kg | round sling |
WO2020016461A1 (en) * | 2018-09-03 | 2020-01-23 | Dsm Ip Assets B.V. | Roundsling |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE810655C (en) * | 1945-03-21 | 1951-08-13 | Joseph Marie Louis Viollet | Method and device for the production of endless ropes, drive belts or the like. |
CA1077088A (en) * | 1977-09-07 | 1980-05-06 | Svensk Lasthantering Lindahl (Bengt) Ab | Roundsling |
GR73539B (en) * | 1980-01-21 | 1984-03-12 | Spanset Inter Ag | |
DE3703547A1 (en) * | 1987-02-06 | 1988-08-18 | Spanset Inter Ag | METHOD FOR PRODUCING A ROUND Sling |
DE9214173U1 (en) * | 1992-10-21 | 1993-01-28 | Spanset Inter Ag, Oetwil Am See | Round sling as textile lifting strap |
DE20309528U1 (en) | 2003-06-20 | 2003-09-18 | Westdeutscher Drahtseil-Verkauf Dolezych GmbH & Co., 44147 Dortmund | Round sling has thread bundle as support core contained within protective sleeve consisting of generated surface with connecting components on longitudinal and/or transverse sides |
US7475926B2 (en) * | 2004-06-19 | 2009-01-13 | First Sling Technology Llc | Synthetic roundsling with inspectable core |
DE102006052279A1 (en) * | 2006-11-03 | 2008-05-08 | Spanset Inter Ag | round sling |
US7568333B2 (en) * | 2007-10-31 | 2009-08-04 | Slingmax, Inc. | Apparatus for making slings |
US7926859B2 (en) * | 2007-10-31 | 2011-04-19 | Slingmax, Inc. | Synthetic sling whose component parts have opposing lays |
EP2112259A1 (en) * | 2008-04-22 | 2009-10-28 | DSM IP Assets B.V. | Abrasion resistant fabric |
DE102009010680B3 (en) * | 2009-02-27 | 2010-08-05 | Spanset Inter Ag | Round sling for lifting loads |
-
2011
- 2011-11-17 DE DE102011055454.8A patent/DE102011055454B4/en not_active Expired - Fee Related
-
2012
- 2012-11-16 WO PCT/EP2012/072913 patent/WO2013072499A1/en active Application Filing
- 2012-11-16 PL PL12787736T patent/PL2780503T3/en unknown
- 2012-11-16 EP EP12787736.3A patent/EP2780503B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
PL2780503T3 (en) | 2017-06-30 |
DE102011055454A1 (en) | 2013-05-23 |
EP2780503B1 (en) | 2016-10-12 |
WO2013072499A1 (en) | 2013-05-23 |
DE102011055454B4 (en) | 2016-11-10 |
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