Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
  • B65B25/00—Packaging other articles presenting special problems
  • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
  • B65B25/141—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging flat articles in boxes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
  • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
  • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
  • B65B43/28—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers co-operating with fixed supports
  • B65B43/285—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers co-operating with fixed supports specially adapted for boxes, cartons or carton blanks
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
  • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
  • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
  • B65B5/024—Machines characterised by incorporation of means for making the containers or receptacles for making containers from preformed blanks
  • B65B5/028—Machines characterised by incorporation of means for making the containers or receptacles for making containers from preformed blanks for making containers from two or more blanks
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H15/00—Overturning articles
  • B65H15/02—Overturning piles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H31/00—Pile receivers
  • B65H31/30—Arrangements for removing completed piles
  • B65H31/3081—Arrangements for removing completed piles by acting on edge of the pile for moving it along a surface, e.g. by pushing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2701/00—Handled material; Storage means
  • B65H2701/10—Handled articles or webs
  • B65H2701/17—Nature of material
  • B65H2701/176—Cardboard
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2701/00—Handled material; Storage means
  • B65H2701/10—Handled articles or webs
  • B65H2701/17—Nature of material
  • B65H2701/176—Cardboard
  • B65H2701/1762—Corrugated
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2801/00—Application field
  • B65H2801/81—Packaging machines

Definitions

• the present invention relates to an apparatus and a method for packaging stackable articles, in particular printed products, in a container having at least a first container part with a bottom and with side walls extending from the bottom, wherein the container part is formed open at the opposite side of the bottom is.
• the invention relates to an apparatus and method for packaging printed matter in slip-on cartons.
• Slip-lid boxes have a bottom part and a substantially similar thereto and with slightly greater length and width constructed lid part, wherein in the packaging bottom and lid part are slipped from opposite sides of the product stack formed from the printed products over this, wherein the lid part on the bottom part attacks.
• Slipboard boxes are classified as "Type 03" according to the common standard of the FEFCO (European Corrugated Board Manufacturers Association).
• the above-described packaging operation is conventionally carried out manually by one or more persons located at the end of a paper processing line, with a high output of the paper processing line (today's equipment can typically - depending on the page number of the individual printed product - up to a few hundred products per minute produce) is associated with a high workload and - with increase in the number of packaging personnel - due to the usually cramped conditions leads to space problems.
• manual loading of the products entails a high physical burden on the corresponding persons, since the corresponding product stacks, often weighing up to a few kilograms, must be lifted and inserted into the boxes.
• a device according to the invention comprises:
• a first overriding device for placing the bottom on the top of the product stack
• a turning device for turning the stack provided with the container part stacked such that the open side of the first container part is oriented after turning upwards
• a capping means for closing the container after the turning process.
• product stack is used in the invention for the still unpacked stack;
• stack is intended to designate the product stack already provided with the first container part.
• product stack or "stack” in the context of the present invention should not only include the case that corresponding individual products are stacked on top of each other, ie vertically stacked. Rather, stacks can be processed in which several products are arranged side by side and with the side surfaces lying against each other. It is also possible to pack several juxtaposed vertical individual stacks, for example See two juxtaposed batches of DIN-A5 sized printed matter, which together make up an area the size of a DIN A4 sheet.
• the stack preferably has a rectangular base surface and the shape of a cuboid.
• product stacks with a different base area e.g. cylindrical stacks, are processed.
• such diverse constellations can be processed, since the stacks are handled in the packaging process in such a way that shifting of the individual products of a stack with one another is avoided.
• the invention may also be used to package non-stacked individual products into a single container (e.g., for particularly "thick" individual products, such as printed products where only a single product fits within a container).
• the containers used in the context of the invention are preferably cartons, particularly preferably slip-on cardboard boxes.
• containers made of materials wholly or partly made of materials such as plastics or fibers, including textile and glass fibers may also be used.
• the first Matterstülp is designed for slipping over the first container part over the product stack from above. This ensures that a product stack lying on a support surface can remain on it and thus avoid slippage of the products.
• the first container part is slipped from the side with its open side over the stack, wherein the product stack would have to be raised slightly.
• the Studentsstülpvorgang means a relative movement of the container part relative to the product stack; In doing so, both the cardboard part and / or the product stack can be moved.
• the product stack remains during of the suppression process, while the cardboard part is moved over this.
• the turning device is preferably designed for turning the stack provided with the first container part about a horizontal axis through an angle of approximately 180 °. In such a rotation through 180 ° states are passed, in which must be ensured that the products do not fall out during the turning process, which is why the turning means corresponding retention means, which preferably limit the open side of the first container part or against possibly over the edge of the first container part abut protruding products.
• the capping means is formed as a second Kochstülp adopted, which subsequent to the turning operation, a second container part, which has a lid and starting from the lid outgoing side walls, and which is formed on the opposite side of the lid open, inverts over the stack.
• This second container part is thus preferably similar to the first container part, but with a slightly larger base area, so that the side parts can slide over the stack and over the first container part.
• the second container part is preferably the cover part of a slip-on lid carton.
• the closing of the container takes place in that parts of the projecting over the product stack side parts of the first container part are folded into a lid.
• the first container part can not be filled to the brim with products.
• closure can be accomplished, for example, by means of the stack of extensive belt-shaped elements or other means known in the art.
• a transport device is provided with a transport path, along which one or more product stacks or stacks provided with the first container part are respectively supplied to the first overrun device, then to the reversing device and then to the capping device.
• This can be slipped, Turning and capping or closing take place simultaneously.
• the transport path is formed by at least one roller conveyor; But it can also be a conveyor belt, a slide od.
• the transport path is formed by at least one roller conveyor; But it can also be a conveyor belt, a slide od.
• an apparatus for packaging stackable products, in particular printed products, in slip-lid cartons, each slip-on carton comprising a bottom part and a lid part comprises the following devices:
• a transport device for transporting a product stack along a predetermined transport path
• a turning device for turning the stack provided with the turned-over bottom stack in a turning position, said turning position along the transport path between the first transport position and the second transport position is arranged.
• the transport device is designed such that it causes a cyclic transport of the product stack or stack.
• the turning device preferably has an axis of rotation above the transport path. Particularly preferably, the turning device is designed to pivot the product stack or stack substantially about its center of gravity.
• the device has a control device, by means of which the first slip-over device, the second slip-over device and the turning device can be actuated to carry out a cycle operation.
• the device has a first magazine for receiving a supply of slip-lid cardboard bottom parts and a second magazine for receiving a supply of slip-lid cardboard cover parts, wherein the first and the second magazine for receiving the bottom or top parts respectively are formed in the flat folded state.
• the magazines are preferably arranged above the Kochstülp Anlagenen, whereby the required footprint for the device according to the invention can be reduced, which is particularly advantageous for integration into existing paper processing lines with little available space.
• the first Matterstülp adopted and / or the second Studentsstülp coupled means for erecting the bottom part and the cover part.
• This embodiment has the advantage that the preferably designed as "Germanrichtekartons" bottom or lid parts can be supplied in the same step from the respective magazine of the suppression device and at the same time can be erected, whereby a further increase in the operating speed and thus the throughput of the device according to the invention can be achieved can.
• the first overrun device and / or the second overrun device can preferably have at least one swivel arm with a suction device acting on a side wall of the container or cover part. By sucking the side walls and completing a pivoting movement, the cardboard parts can thus be erected.
• the first override device can have means for lowering the raised bottom part over the product stack and / or the second override device for lowering the upright lid part over the stack.
• the means for lowering the bottom or cover part are preferably designed as stop elements guided below the transport path along at least two opposite sides of the product stack or stack, at the upper ends of which grippers are provided which engage behind at least two opposite side walls of the container parts to be pushed over , whereupon the stop elements are moved downward, thereby pulling the respective container part over the product stack or stack.
• This embodiment of the means for lowering the cardboard parts as stop elements has the Part that these simultaneously ensure that the respective cardboard part can be pulled without tilting over the product stack or over the stack provided with the first cardboard part. It is conceivable that the above-described Kochstülp drove in other packaging systems regardless of other means of the present invention, in particular the turning device to use.
• the device comprises singulating means for enabling the selective removal of a single container part from the container part stacking of the magazines. This allows the separation of the bottom or lid parts before their removal from the respective magazine and thus at high throughput rates rapid and reliable access.
• the separating device has at least one brush strip designed in such a way that it is laterally engaged with the container part stack during removal of the respective lower container part and thereby blocks slipping of the container part lying above the container part that has just been removed, and subsequently for effecting slipping of the container next container part, the at least one brush strip is brought out of engagement with the container part stack.
• a separating device can also be used independently of other devices of the present invention for separating superposed flat objects.
• the transport device has a transport path extending along the transport path and at least one guide element for guiding the product stack on the transport path.
• This guiding of the product stacks or stacks has the advantage that the products forming the stack do not slip relative to one another, as could happen, for example, when the product stack is accelerated or decelerated with its base resting on a conveyor belt.
• the transport path has at least three rows of free-running roller conveyors arranged in parallel, and each guide element has at least two guide dogs coupled to one another between the roller conveyors in the vertical direction into and out of the transport path plane and in the horizontal direction parallel to them Roller conveyors are movable.
• At least three pairs of guide elements for cyclically moving the product stack or stack along the transport path provided, wherein a first pair of guide elements for moving a product stack from a feed position for the stack as the starting position to the first Matterstülp worn as the target position a second pair of guide elements for moving a stack from the first transfer device as a starting position to the turning device as a target position; and a third pair of guide elements for moving a stack from the inverter as a starting position to the second transfer device as a target position, each pair of guide elements coming out of position at the initial position Level of the transport path is moved out, such that the two guide elements of a mecanicselement- pair in the transport direction immediately before and behind the z transporting product stack or stack, then the guide element pairs are moved together with the product stack or stack in the transport direction to the respective target position and then lowered the guide element pairs again below the transport plane and moved back to its original position.
• At least one further guide element for moving the stack from the second transfer device to an exit position is preferably provided.
• the drive of the guide elements is preferably designed such that the two guide elements of at least the first guide element pair have a greater relative distance in the transport direction in the starting position. sen than in the target position, so that the product stack or stack is thereby aligned in the transport direction.
• the distance of the guide elements in the starting position is greater than the length of each stack to be led so that the guide elements can drive out of the transport path, without encountering possibly not exactly aligned or slightly slipped product stacks.
• the fact that the relative distance of the guide elements is reduced to the target position, the stack is aligned to one, on the other hand, this is positioned exactly at the location of the next processing.
• the first and the third pairs of guide elements are simultaneously formed as a means for lowering the raised floor or ceiling part of the magazines of the first and second Matterstülp friendship.
• the lowering movement of the guide element pairs required for the cyclical transport process can also be used simultaneously for slipping over the cardboard parts, the guide elements ensuring trouble-free slipping over of the cardboard parts.
• the above-mentioned guide elements make it possible to align the product stacks with respect to the lateral surfaces of the stacks lying transversely to the transport direction.
• pairs of laterally arranged on the transport path side stops can be provided on the first and / or the second Studentsstülpvorgang against the parallel to the Transport direction lying sides of the product stacks or stacks are applied so that the product stacks or stacks are aligned.
• the side stops may preferably be formed at the same time as a means for lowering the raised bottom part or cover part from the magazines of the first and second overrunning device.
• the turning device may preferably be arranged laterally of the transport path, about a horizontal, transversely to the direction of transport axis navba ren carrier have, on which a first and a second turning fork is arranged to be linearly movable, wherein a turning fork is positioned during the transport process of the stack in the turning device in or below the transport path, then for turning both folding forks are driven towards each other, the stack of lifted the transport path and clamped between the two turning forks, then the carrier with the turning forks rotated by about 180 ° and finally the turned stack is lowered back to the transport path.
• the trapping of the stack between the forks prevents products from falling out.
• the described turning device can also be used independently of other devices of the present invention, in particular independently of the override devices.
• a device for automatic labeling and / or labeling of the respective bottom part and / or cover part is also provided.
• the invention further relates to a method for packaging stackable products according to the features of independent claim 28.
• the method according to the invention can be realized in an alternative embodiment (not described in more detail below with reference to the following drawings) without intervening turning operation.
• Figure 1 is a side view of a device according to the invention.
• Figures 2a-e are schematic representations of a device according to the invention in different operating phases of the packaging process in chronological order;
• Figure 3 is a detailed perspective view for explaining a Students'stülp raised invention
• Figure 4 is a detailed, perspective view of the first and the same constructed second Matterstülp raised according to the present invention.
• Figure 5 is a detailed view of a cardboard part magazine according to the invention.
• Figure 6 is a perspective view of a turning device according to the invention.
• a device 10 according to the invention has a base frame 40 which can be moved on castors. Then a horizontally extending, without restriction of generality straight running transport path 1 is provided on the stackable products, such as printed products stack, successively first of a total designated 34 first overrun Turning device, then a total of 7 designated turning device and then a total of 35 designated second Matterstülp liked be supplied.
• both the bottom and the lid parts 23, 24 have so-called stabilizer tabs that slide over the cardboard bottom during erection, "snap into” recesses in the bottom of the carton in the end position and fix the side walls automatically in the erected state, so that a once erected bottom or lid part no longer coincides by itself.
• the magazines 4, 8 are arranged above the respective overrunning devices 34, 35 and in this way use the "air space" above the device 10.
• the magazines may also be designed as parallel arranged double magazines (not shown), wherein each is supplied from a magazine slot, while the other can be refilled, whereupon the refilled magazine shaft subsequently can be moved to the position of the feed slot, which only a very short interruption is required.
• the magazines can of course also be refilled during operation "from above”.
• each guide element 30a, 30b, 31a, 31b, 32a, 32b or 33 (hereinafter abbreviated as 30a, b-33), as can be seen from FIG.
• the guide element 31a on the basis of the guide element 31a, consists of two individual elements , adjacent drivers, which are mechanically coupled below the transport path 1.
• the guide elements 30a, b-33 bear against the sides of the stacks lying transversely to the transport direction and move them over the roller conveyors 2a-c.
• the guide elements 30a, 31a, 32a and 33 are in the transport direction behind the stacks and push them forward.
• the remaining, lying in the transport direction in front of the stack guide elements 30b, 31b and 31b limit the movement of the stack.
• the movement of the guide elements 30a, b-33 takes place cyclically in each case from an initial position to a target position.
• the timing of a packaging cycle will be explained in more detail with reference to the schematic representations in Figures 2a to 2e.
• the cycle is controlled by means of a microprocessor-based control unit (not shown). provided), which operates the corresponding actuators and receives feedback by means of sensors (not shown), such as position sensors.
• the stacks are in each case transported straight on.
• This is a product stack 3a to be packaged, which is transported by the guide elements 30a, b to the first override device 34.
• a stack 3b already provided with an erected bottom part 23 is transported to the turning device 7 by means of the guide elements 31a, b.
• an already turned stack 3c is also simultaneously conveyed by means of the guide elements 32a, b to the second transfer device 35.
• the there provided with an upright lid part stack 3d is then removed by the last guide member 33 (the further Abtransportweg is not shown).
• FIG. 2 b shows a situation following the situation in FIG. 2 a in which the guide elements 30 a, b-33 have reached their respective target positions.
• the horizontal movement of the guide elements 30a, b-33 is then terminated.
• a bottom or cover part 23, 24 located in the respective magazine 4.8 was erected by means of suction grippers 6 at the time shown; This process will be described in more detail below.
• the slipping of the erected cardboard parts 23, 24 is now accomplished by grippers 42, which are each formed on the guide elements 30 a, 30 b and 32 a, 32 b in the form of folding hook-shaped elements, take under the edges of the respective erected cardboard part and these edges under easier Slightly widen the preload.
• the product stack is preferably higher than the bottom part to be stuffed, so that a part of the product stack remains uncovered.
• This desired product supernatant improves the later stackability of the filled slip-on lidding cartons;
• the protruding part in the illustrated state is still prone to slipping. For this reason, the further transport of the stack takes place by lateral force application by means of the guide element pairs 30a, b-32a, b.
• FIG. 2c In the area of the turning device 7, it can be seen from FIG. 2c that a first turning fork 52 originally lowered below the transport path 1 has lifted the stack 3b with three fork elements oriented transversely to the transport direction.
• a second turning fork 53 moves from above against the raised stack 3b such that the stack is clamped with a predetermined force between the preferably non-slip equipped forks 52, 53, so that the stack 3b is held in the then subsequent turning operation and no product when turning can fall out.
• the clamping force is controlled by sensors, so that the turning device 7 can automatically adapt to different stack heights.
• Figure 2d shows the turntable 13 during its rotational movement.
• the guide elements 30a, b-33 which are lowered in this section of the clock completely below the transport path 1, against the Transport direction returned to their respective starting position.
• a new product stack 3a ' is provided.
• the suction grippers 6 are first closed. Brush strips 44, which prevent the stacked cardboard stacks in the stacks 4 or 8 from slipping on removal of the lowermost carton part 23 and 24, are now moved out of their lateral engagement for a short time so that the stacks of carton parts can slip off and the following lowermost cardboard part 23 or 24 respectively comes to lie against the respective suction gripper 6. In this way, the cardboard parts can be reliably separated. Alternatively, the separation of the cardboard parts can also take place by means of lancing fingers or the like instead of the brush strips 44 described above.
• the rotation or the pivoting of the stack 3b is completed by 180 °.
• the rotation can be done both clockwise and counterclockwise;
• the direction of rotation is preferably chosen to be alternating.
• the stack 3b was again lowered onto the transport track 1 by lowering the turn-down fork 53 (the turning forks 52, 53 have changed their position).
• the guide elements 30a, b-33 returned to their initial position are now moved out of the transport path again, which is approximately 50% in FIG. 2e. Subsequently, the process according to FIG. 2a is repeated cyclically.
• the front 30a, 31a, 32a and rear guide elements 30b, 31b, 32b are moved towards each other by a mechanism which causes a relative movement between these guide element groups, namely far, until the distance is reduced approximately to the dimensions of the stack in the transport direction.
• the stacks 3a-3c are accurately positioned in the transport direction and possibly aligned slightly slipped stack.
• the grippers 43 are further configured such that they press the cardboard edge against the upper edge of the side stops 11 a, 11 b and 12 a, 12 b and the cardboard part in this way between the grippers 43 and the side stops 11 a, 11 b or 12a, 12b, thereby additionally ensuring that the cardboard part follows this movement during the lowering movement.
• the clamping force is chosen so that the cardboard part in its end position, in which it rests on the product stack, automatically slips out of the clamp, without being damaged.
• the distance between the side stops 11 a and 11 b and 12 a and 12 b is slightly increased by an actuator.
• the side stops 11 a, 11 b and 12 a, 12 b move together, whereby the stacks 3 a and 3 c located therebetween are centered and aligned in the transverse direction.
• the position and maximum extension height of the guide elements 30a, b-33 or the side stops 11a, 11b, 12a, 12b is to the dimensions of the respective Er- certificate stack 3a adaptable.
• the extension height is preferably selected such that even the uppermost printed product of the product stack 3a is protected from undesired displacement.
• FIG. 5 shows a cardboard part magazine 4 or 8 with one of the four suction grippers 6 acting on all side parts 51 of the bottom or cover part 23, 24.
• Each suction gripper 6 is pivotally mounted about a pivot axis which approximately corresponds to the Aufeurssachse of the corresponding cardboard side part in the Aufrichtvorgang.
• the cardboard side parts 51 are each detected by means of a suction cup 55 subjected to negative pressure.
• any other suitable system for erecting the container parts may be used.
• the pivot arm in a modification of the embodiment of Figure 5 are formed so that it od with a driver.
• the pivot arm in a modification of the embodiment of Figure 5 are formed so that it od with a driver.
• no suction cups or vacuum sources are required.
• the turning device 7 is shown in more detail.
• the turning forks 52, 53 are arranged so as to be displaceable in the parallel slots provided in the turntable 13.
• the roller conveyors 2a, 2b, 2c are interrupted in the area of the support of the turning fork 52, so that the turning fork 52 does not project out of the plane of the transporting web 1 during the transporting process of the stack.
• the turning operation can also take place in an embodiment (not shown) about an axis substantially parallel to the transport direction.
• the turning device can be designed by a carrier engaging in the carton in such a way that the contents of incompletely filled cartons can also be held in turn.
• the closing of the boxes instead of the slipping over of another slip-lid box can also be achieved by folding over closure elements provided on the first container section into a cover. closed position.
• the invention can be used not only in connection with slip-lid cartons, but also in connection with all packaging tasks in which a stapeiförmiges good is to be packed in an upwardly open container. It is also conceivable to carry out these operations in each case at the same location instead of transporting the stacks between a first overturning device, a turning device and a second overturning device.
• Transport path a, b, c Roller conveyors a-e product stack

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Container Filling Or Packaging Operations (AREA)
• Packaging Of Special Articles (AREA)
• Basic Packing Technique (AREA)
• Supplying Of Containers To The Packaging Station (AREA)

Priority Applications (2)

Applications Claiming Priority (3)

Related Child Applications (1)

Publications (3)

Family

ID=38212268

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• 2007
  • 2007-02-26 EP EP07103085A patent/EP1961660A1/fr not_active Withdrawn
• 2008
  • 2008-02-18 CA CA002677446A patent/CA2677446A1/fr not_active Abandoned
  • 2008-02-18 EP EP08709084A patent/EP2121445B9/fr not_active Not-in-force
  • 2008-02-18 AT AT08709084T patent/ATE511473T1/de active
  • 2008-02-18 EP EP11168070A patent/EP2363344A1/fr not_active Withdrawn
  • 2008-02-18 WO PCT/EP2008/051954 patent/WO2008104476A1/fr active Application Filing
  • 2008-02-18 US US12/527,998 patent/US20100031612A1/en not_active Abandoned

Non-Patent Citations (1)

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