EP2288491A1 - Vorrichtung und verfahren zur herstellung von säcken aus schlauchstücken - Google Patents
Vorrichtung und verfahren zur herstellung von säcken aus schlauchstückenInfo
- Publication number
- EP2288491A1 EP2288491A1 EP09728459A EP09728459A EP2288491A1 EP 2288491 A1 EP2288491 A1 EP 2288491A1 EP 09728459 A EP09728459 A EP 09728459A EP 09728459 A EP09728459 A EP 09728459A EP 2288491 A1 EP2288491 A1 EP 2288491A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- station
- open
- monitoring
- geometry
- bag
- 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 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002759 woven fabric Substances 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 2
- 230000000284 resting effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 9
- 230000002950 deficient Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/006—Controlling; Regulating; Measuring; Safety measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
- B31B2150/0014—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing transversally to the direction of movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
- B31B2155/003—Flexible containers made from webs starting from tubular webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
Definitions
- the invention relates to a device for producing sacks, which comprise woven fabric of stretched plastic, according to the preamble of claim 1, and a method according to the preamble of claim 14th
- Such devices are known and have been available on the market for a long time. As a rule, these devices initially comprise a separating device in order to separate a supplied fabric hose, which may also be coated, into hose pieces. These pieces of hose consist of at least two superposed material webs. The pieces of hose are then taken over by at least one transport device in order to spend them in the individual processing stations. In the following individual stations are listed and their function explained.
- forming dies are lowered onto the piece of hose to create a fold line. On this fold line are later the corner impacts of the open tube bottom.
- the dies can also be heated for this purpose.
- the bottom opening station at least one end of a piece of tubing is pulled open, so that a bottom can be molded onto this end that has been pulled open.
- the corner stops are located on the fold lines of the hose section. Due to its geometric shape, the bottom opening is also called Boden rectangle. In general, both ends of a piece of hose are processed in the same way.
- a valve leaflet is placed on a previously opened bottom of the tube piece. Through the valve leaflet later the finished bag can be filled using a suitable filler neck.
- a bottom cover sheet is fastened on the folded bottom, for example welded.
- the individual processing steps of the above-mentioned processing stations are usually performed at both ends of the tube piece. These stations are the same structure in the existing machines on the operator and drive side with respect to the processing stations. An exception, as already indicated, the valve station, which is provided only for one end of the hose pieces. As is well known, it is sufficient to provide one valve per sack, via which the sack can be filled.
- a previously separated piece of tubing is fed transversely to its longitudinal axis by means of a suitable means of transport (for example double belt conveyor) to a pre-breaking station.
- a suitable means of transport for example double belt conveyor
- the corner folds of the opened bottom of the sack, which is formed in the subsequent bottom opening station, are later located on the folded edge created in this case.
- the two layers of one end of the tube piece are pulled apart and unfolded, leaving one layer in the plane of the tube piece or being folded back there while the second layer is laid on the outside surface of the tube piece.
- the side regions of the end are automatically folded inwards and form corner impacts, which have a triangular shape.
- the area enclosed by both corner wicks is referred to as a bottom rectangle or bottom square.
- the thus opened bottom is usually in the plane of the hose piece, which is usually arranged horizontally in the device.
- a valve is placed on a bottom opening in the valve dispensing station.
- the bag is later filled with a suitable filling member.
- the bottom opening of the bag is folded by folding back the side areas of the bottom rectangle. Parts of these side areas, which are also referred to as tabs, may overlap. All overlapping areas can be interconnected, increasing the durability of the floor.
- a ground cover sheet is attached to the finished floor in the ground cover sheet station, thus completing the sack.
- the object of the present invention is therefore to propose an apparatus and a method with which the quality of the delivered sacks can be increased overall.
- the object is achieved by a device having the features of the characterizing part of claim 1 and a method having the features of the characterizing part of claim 14.
- At least one device is provided for monitoring the geometry of the open bottom rectangle, the corner impacts and / or the closed bottom.
- a device for monitoring the width of the hose piece can be provided. With such a device it is thus possible to judge objectively the quality of the bags.
- a recognized as low-quality sack can be marked as such and then discharged by means of a separating soft, so that ultimately the quality of the sacks, which are delivered for example to a customer, is significantly improved.
- a special feature of the bag manufacturing process described in detail above is that both the open end of the hose piece and the finished bottom in the plane of the hose piece, that is usually horizontal, is located.
- said monitoring device is arranged at at least one point in the device at which the open end, the laid-down bottom or also the finished bottom lies in the plane of the hose piece.
- the device for monitoring the geometry between the bottom cover sheet station and a separation separator. At this point the bags are already finished. The bottoms are in the plane of the hose body. After each bag has been checked, the defective bags can then be removed from the product flow immediately via the switch.
- a bottom so one end of the hose piece, monitored by at least two sensors.
- these sensors monitor the width of the ground and report, preferably a computing and control device, an error when the target width is exceeded.
- the sensors are positioned according to the nominal width and then monitor whether bag material exceeds two monitored lines. If a sensor detects material, this line is exceeded and the bottom and thus the bag are recognized as defective. The line is exceeded, for example, when a bottom was formed "wrong" to the hose piece.
- At least one sensor of the at least two sensors are arranged on a holding element. If four sensors are provided, two sensors are preferably attached to a respective holding element. These holding elements are arranged on a common carrier.
- the holding elements and thus the sensors are advantageously displaceable along the carrier, so that with varying bottom formats, the sensors can be easily positioned relative to the trays. It is particularly advantageous if the holding elements are displaceable by means of a spindle drive along the carrier.
- the spindle drive can comprise at least one spindle, which has two threads with opposite but equal in terms of slopes.
- the at least one device for monitoring the geometry comprises at least four sensors. From that Advantageously, two are provided to monitor the width of the floor in the manner previously described. Another two sensors monitor the length and / or geometry of the floor. They monitor the entry and exit times of the soil. From a comparison of the measured times can be determined, for example, whether the soil is symmetrical to the ground center line. It is also possible to compare the measured times with the times measured at the second bottom of the bag in order to be able to judge whether the complete bag is conveyed "askew.” In this case, the bottoms are recognized as flawless by the first two sensors, because the monitored line is not exceeded, but still the floors can be twisted relative to the bag body.
- the invention is provided in a further embodiment, to introduce a contrast-forming element between these parts of the soil and the bag body.
- “Contrast” means that this element differs from the corresponding properties of the bag in terms of the properties that can be detected by the sensors, thus ensuring that it is reliably detected when bag material enters the observation area of the sensors.
- the mode of operation can preferably be as follows: A sensor, for example a photo sensor, irradiates the surface of the support or of the element forming the contrast. The radiation is reflected and received by the photo sensor. As soon as bag material in the beam path of the photo button the latter no longer receives reflected radiation. This event is reported to the computing and control unit, which determines the consequences thereof. This consequence may be that the bag is classified as faulty. A further consequence may be to wait until the radiation is received again by the photo sensor to determine the period of the radiation interruption and from this conclusions about the quality of the soil are drawn.
- the contrast-forming element is arranged fixed to the frame, so that the bag, which is moved by the transport device mentioned above, with his bag body under the
- the element advantageously at the
- the contrast-forming element is designed as a sheet, in particular as a stainless steel sheet. It is advantageous to use sheets of the brand NIROSTA.
- FIG. 1 schematic diagram of an apparatus for the production of tissue sacks
- Fig. 2 view of a station for geometry error monitoring
- FIG. 4 view of another station for geometry error monitoring
- FIG. 5 view V - V of FIG. 1
- FIG. 1 shows diagrammatically individual steps for processing a fabric tube into sacks, as they take place in sack making apparatus 1.
- the fabric tube 2 is fed to the sack manufacturing device 1. This is advantageously done by unwinding a fabric tube forming a roll 3 in a unwinding device 4. Subsequently, the tube 2 experiences the so-called opening in the opening station 5.
- the fabric tube is guided around an inner tool which separates the two layers, so that the layers, if they were glued together in one of the manufacturing steps of the tube, separate. Only with separate layers can it be ensured that the following production steps can be carried out properly. Afterwards, the separate material layers of the hose are put back on top of each other.
- the fabric hose can be made available to the subsequent stations by making a fabric hose from a flat web in a hose forming station.
- the fabric tube is now fed to the cross-cutting device 6, which separates the fabric tube into individual pieces of hose.
- both ends of each piece of tubing are opened and the so-called bottom squares or bottom rectangles are laid.
- valve station 9 a valve is placed and secured on one of the two open ends.
- the open floors are now closed in the bottom closing station 10, wherein two tabs are placed against each other or each other.
- the tabs can be connected to each other permanently, for example by welding.
- the conclusion of the actual Sackherstellreaes forms the application of a ground cover sheet on the floors in the cover sheet station 1 1.
- the cover sheets can also be welded.
- Welding instead of the Welding also other joining methods used.
- the finished sacks are then inspected in a geometry verification station 12.
- the defect-free sacks are deposited on a sack stack 13.
- the defective sacks are discharged from the product flow via a switch, not shown, and deposited on the stack 14.
- FIG. 2 shows details of the geometry checking station 12.
- a bag 15 is transported over the bearing surfaces 17 by means of a suitable transport device 16, which comprises, for example, two double belt conveyors.
- These bearing surfaces 17 preferably include table-like sheets, such as stainless steel sheets.
- a bag 15 initially comprises the bag body 20. At the ends 18, 19 bag bottoms 21 are formed.
- the sack bottoms 21 each include an inner side flap 22 and an outer side flap 23, wherein in the sack manufacturing process, generally the outer side flap 23 and then the inner side flap 22 is wrapped so that the inner side flap 22 partially covers the outer side flap 23.
- the two tabs 22 and 23 are connected to each other, for example, welded or sealed.
- the embossed tabs 22 and 23 also cover parts of the front Eckeinschlages 24 and the rear Eckeinschlages 25. Again, the overlapping areas can be connected together.
- each floor can still be covered with a bottom cover sheet 26, but this is shown only for the first end 18 of the bag 15.
- each bag bottom 21 is generally symmetrical with respect to the bottom center line 27, so that this line 27 divides the bag bottom 21 into two halves.
- the outer edges of each sack are bounded by the lateral lines 28 and 29. These lines 28, 29 essentially correspond to the fold lines when the side flaps 22, 23 are driven in.
- Other components of said station 12 are described below only for one end 18 of the bag 15. However, it can be seen from Figure 2 that all the components with respect to the other end 19 of the bag 15 are symmetrically arranged thereto, but function equally.
- a support 31 is struck, which carries a further support wall 32.
- a sheet 33 is arranged, whose outer edge 34 is disposed close to the bottom center line 27.
- the bleach 33 is arranged in a floating manner above the support surface 17 (see FIG. 5), so that the bag body 20 runs under the sheet 33.
- an inlet plate 35 may be provided, which forms an inlet funnel with the support surface.
- the sheet 33 is also provided with chamfers 36, which ensure that the bottom of the bag 21 is guided on the visible in Figure 2 surface of the sheet 33.
- holding elements 37, 38 are arranged displaceably.
- a threaded rod 39 is provided, which is screwed into or on the holding elements 37, 38 fastened threaded nuts.
- the threaded rod 39 has two opposite, but provided with equal pitch threads.
- the threaded rod 39 is constructed symmetrically with respect to the bottom center line 27 with respect to the threads, so that a rotation of the threaded rod, which can be done via a handwheel 40, leads to a simultaneous and uniform distance from or approach to the bottom center line 27 of the holding elements 37, 38.
- the sensor 41 On the holding element 37, two sensors 41, 42 are arranged.
- the sensor 41 thereby scans the region which, viewed from the bottom center line 27, lies beyond the lateral line 28 assigned to the inner flap 22. This sensor 41 then reports an event when portions of the first end 18 of the bag 15 exceed this line 28.
- the second sensor 42 monitors the area between the bottom center line 27 and the lateral line 28. Accordingly, the sensors 43, 44 scan the areas between the bottom center line 27 and the side line 29 (sensor 43) and outside the side line (sensor 44) , The sensors 42 and 43 should, when a bottom 21 penetrates into the scanning, at the same time a signal to a computing and control device, not shown.
- FIG. 3 shows the situation in which the end 18 of the hose piece 15 has a bottom 21 whose position relative to the bag body 20 is not correct.
- the bottom of the bag 21 extends beyond the line 28 and consequently enters the sensing area of the sensor 41, so that this bag is recognized as defective.
- FIG. 4 shows a further embodiment of the invention.
- This embodiment can be provided with the embodiment according to Figures 2 and 3 in a device.
- the device shown in this figure 4 is used to control the just opened ends 18 and 19 of the hose piece. These ends have not yet been added to a closed floor. Nevertheless, there is already a control here.
- can be dispensed with in the episode for example, the application of a bottom cover sheet when the piece of tubing is classified as faulty after mounting the ends.
- the arrangement of the sensors corresponds to the arrangement of Figure 2, wherein like elements are provided with the same reference numerals.
Landscapes
- Making Paper Articles (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008017444A DE102008017444B4 (de) | 2008-04-03 | 2008-04-03 | Vorrichtung und Verfahren zur Herstellung von Säcken aus Schlauchstücken |
PCT/EP2009/053742 WO2009121838A1 (de) | 2008-04-03 | 2009-03-30 | Vorrichtung und verfahren zur herstellung von säcken aus schlauchstücken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2288491A1 true EP2288491A1 (de) | 2011-03-02 |
EP2288491B1 EP2288491B1 (de) | 2015-10-21 |
Family
ID=40729021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09728459.0A Active EP2288491B1 (de) | 2008-04-03 | 2009-03-30 | Vorrichtung und verfahren zur herstellung von säcken aus schlauchstücken |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2288491B1 (de) |
CN (1) | CN101983123B (de) |
DE (1) | DE102008017444B4 (de) |
WO (1) | WO2009121838A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010039770A1 (de) * | 2010-08-25 | 2012-03-01 | Windmöller & Hölscher Kg | Sack sowie Verfahren und Vorrichtung zur Herstellung von Säcken |
BR112013007707A2 (pt) * | 2010-10-01 | 2021-06-29 | Windomöller & Hölscher Kg | dispositivo e processo para a produção de sacos de segmentos tubulares |
DE102013003090A1 (de) * | 2013-02-25 | 2014-08-28 | Texmag Gmbh Vertriebsgesellschaft | Verfahren und Vorrichtung zum Prüfen von Faltzuschnitten |
AT514545B1 (de) * | 2013-07-26 | 2015-02-15 | Herwig Dipl Ing Worff | Verfahren zur Herstellung von Säcken aus einem Gewebe |
DE102013014739B3 (de) * | 2013-09-04 | 2014-08-07 | Windmöller & Hölscher Kg | Vorrichtung und Verfahren zur Herstellung von Säcken |
AT515608B1 (de) * | 2014-04-03 | 2016-06-15 | Worff Herwig Dipl Ing | Vorrichtung zum Verschließen von Säcken aus Gewebe |
EP2965900A1 (de) * | 2014-07-09 | 2016-01-13 | Cellpack AG | Verfahren und Vorrichtung zur Herstellung flexibler Verpackungserzeugnisse, insbesondere Verpackungsbeutel |
EP3328629B1 (de) * | 2015-07-31 | 2019-06-12 | Windmöller & Hölscher KG | Vorrichtung und verfahren zum fixieren eines offenen bodens eines schlauchstücks |
DE102019107467A1 (de) * | 2018-07-06 | 2020-01-09 | Windmöller & Hölscher Kg | System und Verfahren zur Bearbeitung von Schlauchstücken |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3433135A (en) * | 1966-10-31 | 1969-03-18 | West Virginia Pulp & Paper Co | Bag inspection method and apparatus therefor |
DE1761466C3 (de) * | 1968-05-22 | 1978-03-09 | Windmoeller & Hoelscher, 4540 Lengerich | Sackmaschine |
DE2654641A1 (de) * | 1976-12-02 | 1978-08-10 | Schmitt & Co Escomat Maschbau | Verfahren zur einrichtung bzw. umruestung einer maschine zur herstellung von faltschachteln, faltkartons o.dgl. sowie maschine zur herstellung von faltschachteln, faltkartons o.dgl. |
DE4401723A1 (de) * | 1994-01-21 | 1995-07-27 | Windmoeller & Hoelscher | Vorrichtung zum Herstellen eines mehrlagigen Schlauches zur Sackherstellung |
DE19805321C1 (de) * | 1997-11-11 | 1999-08-05 | Windmoeller & Hoelscher | Verfahren zum Prüfen der Klebstoffaufträge auf den Böden von Säcken oder Beuteln |
DE102006039564B4 (de) * | 2006-08-23 | 2013-01-17 | Windmöller & Hölscher Kg | Positionsregelung an Bodenleger mit Bildverarbeitung |
DE102006041275B4 (de) * | 2006-09-02 | 2013-02-14 | Windmöller & Hölscher Kg | Vorrichtung und Verfahren zur Herstellung von Säcken aus beschichtetem Kunststoffgewebe |
-
2008
- 2008-04-03 DE DE102008017444A patent/DE102008017444B4/de active Active
-
2009
- 2009-03-30 WO PCT/EP2009/053742 patent/WO2009121838A1/de active Application Filing
- 2009-03-30 EP EP09728459.0A patent/EP2288491B1/de active Active
- 2009-03-30 CN CN2009801120065A patent/CN101983123B/zh active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2009121838A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102008017444B4 (de) | 2011-07-28 |
WO2009121838A1 (de) | 2009-10-08 |
CN101983123A (zh) | 2011-03-02 |
CN101983123B (zh) | 2013-06-05 |
DE102008017444A1 (de) | 2009-10-22 |
EP2288491B1 (de) | 2015-10-21 |
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