Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
  • B61B10/00—Power and free systems
  • B61B10/02—Power and free systems with suspended vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
  • B61B10/00—Power and free systems
  • B61B10/04—Power and free systems with vehicles rolling trackless on the ground
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
  • B65G17/30—Details; Auxiliary devices
  • B65G17/32—Individual load-carriers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
  • B65G17/30—Details; Auxiliary devices
  • B65G17/48—Controlling attitudes of load-carriers during movement
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
  • B65G19/02—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for articles, e.g. for containers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G35/00—Mechanical conveyors not otherwise provided for
  • B65G35/06—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G35/00—Mechanical conveyors not otherwise provided for
  • B65G35/06—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
  • B65G35/063—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path the traction element being a rotating bar or tube
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
  • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
  • B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
  • B65G47/244—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning them about an axis substantially perpendicular to the conveying plane
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
  • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
  • B65G47/84—Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
  • B65G47/841—Devices having endless travelling belts or chains equipped with article-engaging elements

Definitions

• the invention relates to a spindle conveyor for conveying workpieces, in particular vehicle wheels, with a) a rail system comprising at least one support rail; b) a plurality of transport carriages, each comprising a movable on the support rail in a transport direction landing gear and a support device for workpieces, which is carried by the chassis; wherein c) each workpiece is portable by a workpiece spindle included in the support means.
• the invention relates to a system for treating workpieces, in particular vehicle wheels, with a conveyor system by means of which the workpieces are conveyed through the system.
• a workpiece spindle is understood to be any spindle-shaped element which can receive a workpiece either directly or via a further holder.
• a basket for small parts can be attached to a workpiece spindle, which in turn are loosely placed in this basket.
• Such a workpiece spindle is usually about one meter long, but may also be only a few inches long, depending on what workpieces are to be promoted.
• spindle conveyor of the type mentioned in particular vehicle wheels are promoted by successive treatment stations of a paint shop, in which the vehicle wheels are provided in several treatment steps with a surface coating.
• Known spindle conveyors of the type mentioned are usually designed as a circular conveyor, so that all vehicle wheels always go through all treatment stations.
• vehicle wheels which differ in that they should receive different treatment steps from each other or have to go through the existing treatment stations of a paint shop in different sequence.
• a treatment of such different vehicle wheels in one and the same paint shop is usually not possible because an adaptation of the sequence of steps in a circular conveyor is not readily possible and only with constructive modifications.
• Some flexibility may e.g. be achieved when buffer zones are added to the rail system, for example, by providing additional secondary bus bars, which are connected to a main track of the circular conveyor via points units. Such secondary rail strands then form a buffer zone, in which dolly can be parked between.
• each trolley carries a single workpiece spindle with it and the trolley stops on their way through the plant.
• a distance that is predetermined by the process flow or by the dimensions of the vehicle wheels is also used in a buffer zone complied with.
• the buffer capacity per rail meter is limited.
• the object of the invention is to provide a spindle conveyor and a system of the type mentioned, which take into account this idea.
• the support means comprises a pair of workpiece screws with a first and a second workpiece spindle; e) the workpiece spindle pair is rotatably mounted as a unit relative to the chassis about a vertical axis of rotation and can assume at least a first rotational position and a second rotational position.
• At least two workpieces can be picked up by a trolley and your position relative to the transport direction can be changed. They can assume a position in which the space requirement of two workpieces in the transport direction is less than the space requirement of two successively arranged workpieces in this direction.
• a larger, ideally twice, the number of workpieces can be accommodated on the same rail length, as is possible in the usual trolley with a single workpiece spindle. This increases the capacity of the spindle conveyor.
• the rail system comprises at least one conveying zone and at least one buffer zone; b) the workpiece spindle pair in the at least one conveying zone ⁇ the first rotational position and in the at least one buffer zone occupies the second rotational position.
• a buffer zone is present, different workpieces can be routed through the plant in different ways, thereby going through different sequences of treatment steps.
• the workpiece spindle pair is rotatably coupled to a driver unit through which the workpiece spindle pair mechanically by means of an actuating element from the first rotational position to the second rotational position and / or from the second rotational position is rotatable in the first rotational position.
• the first and the second workpiece ⁇ spindle in the first rotational position of the workpiece spindle pair in the transport direction one behind the other and in the second rotational position of the workpiece spindle pair in the transport direction are arranged side by side.
• trolleys comprise a coupling device by means of which the trolley can be detachably coupled to an endless drive means
• known and established drive systems can continue to be used.
• endless drive means drive chains have proven especially.
• the endless drive means entrains entrainment, which cooperate with a coupling element of the coupling device, which between a Kop ⁇ pelgna, in which one of the entrainment of the endless Drive means can abut against the coupling element, and a release position is adjustable, in which the driver of the endless drive means can be guided without active contact with the coupling element over.
• the transport carriages in the buffer zone can be separated from the endless drive means and remain there until they are to be supplied to the further process.
• the trolleys In order to separate a first transport carriage in the buffer zone of the rail system from the endless drive means, it is favorable if there is a block unit by means of which the coupling device of the transport carriage can be decoupled from the endless drive means. If the trolleys also carry a triggering unit with which the coupling device of the rear transport trolley in the transport direction is decoupled from the endless drive means when a minimum distance between two successive transport trolleys is reached, the trolleys can approach one another more tightly than in a conveying zone and the buffer zone form a kind of buffer dressing.
• the minimum distance can be set in a favorable manner by the trip unit is arranged at the free end of a distance arm of the trolley. Over the length of this distance boom, the minimum distance can be set at which a lagging trolley is separated from the drive means.
• the spindle conveyor is designed in the manner of a bottom track, as is the case with common known spindle conveyors.
• the spindle conveyor in the manner of a monorail be educated.
• the main conveyor components such as rails, drive means and transport carriage above the workpieces may be arranged so that Moegli ⁇ chlay falling impurities produced during the work ⁇ tee treatment, do not come in contact with the conveyor components, and this can contaminate.
• the above object is achieved in that the conveyor system is a spindle conveyor with some or all of the above-mentioned features.
• Figure 1 is a side view of a section of a bottom-guided spindle conveyor with a mounting rail, wherein in a transport direction, a transition between a buffer zone and a conveying zone of the spindle conveyor is shown and in the buffer zone two trolleys in a buffer configuration and in the conveying zone a trolley in a conveyor configuration;
• Figure 2 is a top view of the cutout of the spindle conveyor of Figure 1;
• Figure 4 is a section through the spindle conveyor of Figure 1 along the section line IV-IV;
• Figure 5 side view of a transition between a Conveying zone and the buffer zone of the spindle conveyor
• FIG. 6 shows a side view corresponding to FIG
• Figure 7 schematically shows a spindle conveyor in the manner of a
• FIGS. 1 and 2 in each case a section of a floor rail system 10 of a conveyor system in the form of a floor-guided spindle conveyor 12 for conveying workpieces is shown in a side view and a view from above.
• the workpieces are illustrated as vehicle wheels 14, only a few of which bear a reference number.
• Rail system 10 the vehicle wheels 14 in a
• the rail system 10 is single-track in the present embodiment and comprises a support rail anchored to the ground 18, which comprises a lower guide profile 20 and a vertically above extending upper guide profile 22, between which a free space remains, which forms a coupling region 24.
• a section 26 of an endless drive chain 28 runs, which carries as endless drive means a plurality of carriers 30 with it.
• the pushers 30 project upwardly from the endless drive chain 28 and in the coupling region 24 of the support rail 18 in ⁇ .
• a chassis 32 of a trolley 34 which carries this load-bearing rollers 36, with which the chassis 32 runs on a not specifically provided with a reference numeral tread of the upper guide profile 22.
• the chassis 32 supports a plurality of guide rollers 38, which stabilize the chassis 32 and thereby the trolley 34 against both tilting in a transport direction 16 and against tilting to the side, as it is in itself known.
• the running and guiding rollers 36, 38 are clearly visible in particular in FIG. 6 and, for the sake of clarity, are also only provided with reference numerals there.
• the chassis 32 carries a coupling device 40 which projects partially downwards into the coupling region 24 of the support rail 18 and by means of which the transport carriage 34 can be coupled to one of the drivers 30 of the drive chain 28 and released from it. This will be discussed again below.
• the chassis 32 carries a support means 42 for the vehicle wheels 14 with it.
• This comprises a horizontally extending rotary crossmember 44, which is connected in the center between its opposite ends 46, 48 rotationally fixed to a stub axle 50, which projects in the operation of the spindle conveyor 12 down from the rotary beam 44.
• the chassis 32 supports the axle stub 50 in such a way that it can be rotated about an axis of rotation 52, which runs vertically during operation of the spindle conveyor 12.
• the longitudinal axis of the axle stub 50 coincides with the axis of rotation 52.
• On its side remote from the stub axle 50 side carries the rotary beam 44 at its first end 46 a first work piece spindle 54 a and at its opposite second En de 48, a second workpiece spindle 54 b, which are identical and rotatably mounted about its longitudinal axis. Both workpiece spindles 54a, 54b point upwards during operation of the spindle conveyor 12 and run parallel to one another.
• the workpiece spindles 54a, 54b form a pair of workpiece spindles 56 and have at their free end portions 58a, 58b depending Weil a workpiece holder, which in the present imple mentation example as a support plate 60 are formed for the vehicle wheels 14, as it is known in and of itself.
• the distance between the two workpiece spindles 54a, 54b along the rotary beam 44 is matched to the operation of the treatment plant, in which the vehicle wheels 14 are to be treated.
• the first and di second workpiece spindle 54a, 54b are stationary fixed at a fixed distance from each other on the rotary crosshead 44 fastened. This distance may e.g. be predetermined by devices used for handling the vehicle wheels 14.
• the two workpiece spindles 54a, 54b can also be displaceably mounted and lockable in a working position on the rotary crosspiece 44, so that the distance between the workpiece spindles 54a, 54b can be adjusted along the rotary crosspiece 44.
• the rotary beam 44 and the chassis 32 of the stub axle 50 carries above the support rail 18 rotatably a horizontally oriented, serving as a driver unit turnstile 62 with four at 90 ° angle to each other Mit videzept 64.
• the turnstile 62 is actuated, the stub axle 50 is rotated relative to the chassis 32 of the trolley 34, wherein the rotary beam 44 follows this rotation together with the workpiece spindle pair 56.
• the workpiece spindle pair 56 can be rotated as a unit relative to the chassis 32 of the transport carriage 34.
• the workpiece spindle pair 56 can occupy successively four positions offset by 90 ° in one direction of rotation, of which two rotational positions offset by 180 ° are functionally identical and each define an operating configuration of the transport carriage 34:
• the support means 42 can be stabilized in the conveying position or the buffer position by means of a holding device 66 against unintentional rotation.
• a portion of the axle stub 50 have a square cross-section, wherein rest on two opposite outer surfaces of this section spring webs. This spring bars can hold the stub axle 50 and thus the support means 42 without external force in the occupied conveyor or buffer position.
• the rail system 10 of the spindle conveyor 12 comprises a plurality of conveyor zones 68 and a plurality of buffer zones 70, wherein a buffer zone 70 connects two conveyor zones 68 with each other.
• the buffer zones 70 are formed, for example, as a section of a secondary track, which runs next to a main track and is connected via not shown Wei ⁇ chenticianen with this.
• the transport carriages 34 are driven, for example, by means of the circulating endless drive chain 28.
• each region of the rail system 10 is to be understood that does not serve as a buffer zone and in which the trolley conveyor their configuration 34 take a ⁇ .
• the points units or the Support rail 18 in the buffer zone 70 leading Schienenab ⁇ sections to a respective conveying zone 68 count.
• the end los-driving chain 28 moves in the buffer zone 70 with the same Ge ⁇ speed as in the production zone 68.
• an independent drive chain may be present, for example, in the buffer zone 70, with which the transport carriage 34 in the buffer zone 70 promoted. In this case, the transport carriages 34 in the conveying zone 68 and the buffer zone 70 can be moved at different speeds.
• FIGS. 1 and 2 show a transition 72 between a buffer zone 70 and a conveying zone 68, which is located downstream of the buffer zone 70 in the transport direction 16.
• Figure 5 shows a transition 74 between a lying in the transport ⁇ device 16 before the buffer zone 70 conveying zone 68 and this buffer zone 70.
• the trolley 34 In the production zones 68, the trolley 34 have their För ⁇ derkonfiguration and in the buffer zones their Pufferkonfigu ⁇ ration held.
• the workpiece spindle pairs 56 are twisted out of the conveying position into the buffer position or from the buffer ⁇ position to the conveying position when the transport carriage 34 from the production zone 68 out into the buffer zone 70 into and back out of the buffer zone 70 and into the production zone 68 into it.
• the hub 62 of the carrier device 42 operates the transport carriage 34 with actuators in the form of actuating bolt 76 together, one each on About ⁇ gear 72 and 74, between a production zone 68 and a Puf ⁇ ferzone 70 of the rail system 10 laterally adjacent to the support ⁇ rail 18 is arranged.
• Actuating pins 76 are positioned in this way and protrude so far from the bottom, that they abut the turnstile 62 of the trolley 34 against the respective projecting driver tongue 64 and rotate it by 90 ° when a transport carriage 34 moves in the transport direction 16 past an actuating pin 76.
• the support unit 42 is then rotated by 90 ° about the axis of rotation 52.
• the transport carriages 34 can be parked according to the "first-in-first-out" principle, for which purpose they have to be separated from the drive chain 28 in the buffer zones 70. As mentioned above, this is made possible by the coupling device 40.
• the coupling device 40 allows the trolleys 34 in the buffer zones 70 can approach each other more tightly than in the conveyor zones 68, where they comply with a conveying distance, which is determined by the distance between two drivers 30 of the drive chain 28.
• the coupling device 40 can be seen in detail in FIG. 6 and, viewed in the transport direction 16, comprises a front rocker member 78, which is mounted pivotably on the chassis 32 about a horizontal pivot axis perpendicular to the transport direction 16.
• the rocker member 78 carries at its front end in the transport direction 16 a caster 80, the axis of rotation also extends horizontally and perpendicular to the transport direction 16.
• the rocker member 70 forms a coupling element 82, which can be moved by pivoting the rocker member 78 between a lower coupling position and an upper release position.
• the coupling element 82 protrudes so far into the coupling region 24 of the support rail 18 that an arriving driver 30 of the drive chain 28 abuts against the front rocker member 78, whereby the transport carriage 34 of the arrival drive chain 28 is carried.
• the coupling element 82 In the release position, the coupling element 82 is moved so far up out of the coupling region 24 of the support rail 18 that the driver 30 of the drive chain 28 can pass under the coupling device 40 without coming into operative contact with the coupling element 82. This means that it may possibly lead to a slight contact between the components, the transport carriage 34 is not carried thereby by the drive chain 28.
• the coupling device 40 still includes a rear rocker member 84 in the transport direction 16. This is also about a horizontal and perpendicular to the transport direction 16 extending pivot axis pivotally mounted on the chassis 32.
• the rear rocker member 84 follows the pivotal movement of the front rocker member 78, so that it clears the way for the driver 30 of the drive chain 28 when the coupling element 82 assumes its release position.
• the rear rocker member 84 protrudes so far into the coupling region 24 of the support rail 18 in that it flanks a corresponding driver 30 of the drive chain 28.
• the rearward rocker member 84 also prevents that a transport carriage 34 accelerates at a possibly formed only by constructional tolerances slope portion of the support ⁇ rail 18 in the direction of transport 16 and disengages from the carrier 30 of the drive chain 28th In this case, the transport carriage 34 is braked by the rear rocker member 84 abuts the corresponding driver 30 of the drive chain 28. Overall, the transport carriage 34 can complete with gradients and gradients.
• a separation ramp 86 which can be selectively brought into a release position or a release position.
• the separating ramp 86 is arranged in the path of movement of the trolley 34 that the casserole 80 of the front rocker member 78 of the coupling device 40 runs onto a downwardly inclined in the transport direction 16 rolling surface of the separating ramp 86.
• the separating ramp 86 is now adapted in its geometry and its dimensions to the front rocker member 78, that its coupling element 82 is then raised to the release position, whereby the trolley 34 separated from the Antriebsket- te 28 and the driver 30 passes under the coupling device 40 ,
• the separation ramp 86 also serves in its separating position as a stopper for the transport carriage 34 and prevents its movement in the transport direction 16.
• the chassis 32 of each transport carriage 34 comprises a spacer arm 88 which extends in the direction opposite to the transport direction 16 and at its free end a buffer ramp 90th carries, which also has a down in the transport direction 16 inclined rolling surface. This puff ferrampe 90 forms a trip unit and operates in the same way with the front rocker member 78 of a trailing trolley 34 together as the separation ramp 86 of the buffer zone 70th
• Trolley 34 decoupled from the drive chain 28 and the two trolley 34 form a loose buffer association 92, which can be seen in Figures 5 and 6 and in which the individual trolley 34 are not coupled together. If the latter is to be given, for example, corresponding coupling pawls are present in a modification, the two adjacent trolley 34 releasably connect with each other.
• the minimum distance between two adjacent trolleys 34 in this buffer association 92 is determined by the length of the distance arm 88 of each trolley 34 and is smaller than the distance between two consecutive driver 30 of the drive chain 28th
• the transport carriage 34 is guided past the actuating pin 76 between the buffer zone 70 and the conveying zone 68, whereby the workpiece spindle pair 56 is rotated in its conveying position.
• the buffer ramp 90 of the trolley 34 releases from the front rocker member 78 of the subsequent trolley 34, whereby the latter again coupled to the next passing driver 30 of the drive chain 28 and carried by the drive chain 28 becomes. This is repeated in cascade for all subsequent transport vehicles 34.
• the separating ramp 86 is again set to its separating position, so that the buffer dressing 92 can again form in the buffer zone 70.
• a spindle conveyor 94 is shown, which is designed in the manner of a monorail conveyor.
• the support rail 18 is arranged here by means of not specifically shown blasting structures at a height level above the ground.
• the spindle conveyor 94 may be designed, for example, in the manner of a so-called "power and free” conveyor, as it is known per se.
• the support means 42 here comprises a vertical support strut 96 which is coaxially connected to the axle stub 50. At its lower end remote from the stub axle 50, the support strut 96 carries an U-shaped spindle structure 98, which again specifies a workpiece spindle pair 56 with a first workpiece spindle 54a and a second workpiece spindle 54b.
• Trolley without configuration change enters the following zone.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Transportation (AREA)
• Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
• Chain Conveyers (AREA)
• Intermediate Stations On Conveyors (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46046100

Family Applications (1)

Country Status (8)

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Citations (2)

Family Cites Families (11)

• 2011
  • 2011-05-07 DE DE102011100825.3A patent/DE102011100825B4/de active Active
• 2012
  • 2012-04-26 CN CN201280022194.4A patent/CN103517861B/zh active Active
  • 2012-04-26 RU RU2013150127A patent/RU2611477C2/ru active
  • 2012-04-26 WO PCT/EP2012/001780 patent/WO2012152380A1/de active Application Filing
  • 2012-04-26 EP EP12719579.0A patent/EP2707314A1/de not_active Withdrawn
  • 2012-04-26 US US13/261,773 patent/US9446906B2/en active Active
  • 2012-04-26 MY MYPI2013702030A patent/MY167852A/en unknown
  • 2012-04-26 BR BR112013028582A patent/BR112013028582A8/pt not_active Application Discontinuation

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