EP2028109A2 - Device for cutting gas-filled containers and assembly for producing gas-filled container strings - Google Patents

Abstract

The device (10) has a cutting equipment with a cutting unit for cutting gas-filled packings (12) in a connecting section (13) between two packings. A carrier (21) i.e. conveying tray, with an entrainment region (21a) accommodates the packings. The carrier is formed movably together with the packings such that the packings provided in the carrier are centered. A counting unit i.e. optical sensor (24), detects a number of packings that moved over a reference point. An evaluation and control unit detects data of the counting unit and actuates a cutting process by the cutting equipment. Independent claims are also included for the following: (1) an arrangement for producing a gas-filled packing strand (2) a device for controlled transport feeding of a gas-filled packing.

Description

The present invention relates to a device for cutting and / or transport feed gas-filled packing and an arrangement for producing gas-filled filler strands using said device.

Fillings made of a plastic film material filled with gas, in particular with air, are increasingly being used as filling and wrapping material for transporting sensitive goods in transport packaging. It is particularly advantageous if the fillers can only be produced on the place of the packaging insert "on demand" from a flattened roll product, since in this way the transport and storage volume for the film material can be reduced by orders of magnitude.

The prior art discloses various types of prefabricated film tubes for producing such filling bodies and corresponding filling devices and methods.

In a particularly expedient embodiment according to the prior art, the prefabricated plastic film tube is formed as flattened half-tube, which is closed on one longitudinal side and open on the other longitudinal side, and the lying by closely spaced pairs of transversal (ie transverse to the longitudinal extent of the tube ) Welding seams is divided into pockets, wherein demolition perforations are provided for easy separation of the individual pockets between the pairs of welds. The transverse welds do not extend completely to the open edge of the film tube. In one of the film tube described above adapted filling unit of the film tube is transported by an electric motor continuously through the unit. First, the upper and lower film are lifted off the open side of each other and injected air between them, so that closed pockets to gas-filled packing as air-filled foil bags, especially in the form of pillows fill. Immediately thereafter, the upper and lower films are again pressed against each other, guided past a continuous welding device and welded in the longitudinal direction, so that the trapped air can no longer escape.

The pillows or air-filled foil pouches come out of the filling device in the form of a continuous chain or strand, the individual pillows being connected to each other by a flat connecting section. In practice, however, there is a need for the pillows or air-filled foil pouches to be in predetermined lengths, i. with a certain number of pillows or bags, are present, for which a separation of the bag must be brought about. Even if there are perforations in the connecting sections, manual tearing off is disadvantageous for many applications. There is a need for the pillows or air-filled foil pouches to be cut out of the filling device automatically at predetermined lengths and then cut to the desired length after filling, wherein the pillows should not be damaged during the cutting process.

An object of the present invention is to provide a cutting device which is simple in construction but provides a secure and precise separation of the pads and can also be used for transporting a packed strand.

A further object of the invention is to provide an arrangement in which a cutting device with the above-mentioned properties is used to advantage to produce filler strands in a respectively individually required length.

The solution of the aforementioned objects is achieved with a device according to the features of claim 1 and an arrangement with the features of claim 11.

The device according to claim 1 causes both a cutting and a transport feed the Füllkörperstranges. In the event that only a transport feed the Füllkörperstranges is desired without cutting function, a part of the device can be used according to claim 1 according to claim 14 also for achieving a controlled feed of the Füllkörperstranges. Such a controlled feed is not easy to solve due to the irregular shape of the filler strand and the asymmetry due to the one-sided welding in the prior art.

Advantageous embodiments of the invention are described in the dependent claims.

In a preferred embodiment of the invention, it is proposed that the individual bags are detected by a driving element, advantageously in the form of a driver, which is formed by at least two, preferably at least three arms which are arranged radially on a wheel, wherein the driver adapted to the contour of the filled foil bag. The driver is thus something of a big "gear" for the bag, so that the bags can be reliably transported, and against which the cutting locations can be synchronized. The actual cutting operation takes place via a blade arranged and sunk in the wheel or wheel, which is lowered at the desired cutting time (for example after every fifth gas-filled bag) and thus performs the cut in one operation. At the moment of lowering, the wheel is preferably stopped. Accurate positioning of the blade with respect to the cutting location is provided by a spring-based positioning element. The arms, that is to say the teeth of the large "gearwheel", preferably also act as counter-elements for the cutting process.

A constructive feature is with regard to the formation of the arms of the driver. The arms or cutting bars have a slightly trapezoidal shape in the axial direction (relative to the axis of rotation of the wheel). This takes into account the fact that the film bags contract slightly when filling on the free side (due to the formation of the pad), whereas they retain their original width at the filled side with the weld. The arms are so on the welded side of the foil bag slightly wider than on the "free" side, so that the accuracy of the guide is consistently ensured by the mentioned trapezoidal shape.

The individual arms are designed so wide that they lie in the interstices of the packing. On the appearance and the production of the filler is on the EP 1 320 495 referred to, which in this regard is to be made part of the present disclosure by reference. Due to the bulging of the filled packing centering takes place, which ensures that the cut actually takes place at the intended position - usually in the middle - between the foil welds, so that none of the chambers of the packing are damaged.

In this context, it is conceivable in principle within the scope of the invention to dispense with demolition perforations in the random packings to be used, although these may well be of advantage for the further manual division of random packings. On the other hand, by dispensing with a tear-off perforation, the distance between the two transverse welds can be reduced or even reduced to a wide transverse weld which is cut centrally through the device. Due to the corresponding enlargement of the inflatable film area, the film material as a whole is better utilized.

For cutting, a positioning element initially lowers onto the film, which clamps the film. By the concerns of the positioning element, the film is held on both sides of the cutting edge, so that they can not pull through the cutting process, for example, in the counter-bearing slot. Then one will Knife, preferably jagged, lowered, which enters a slot in the opposite section. Advantageously, a sprung version of the positioning element. This is for example additionally designed as a hinged baffle, which serves in particular to hold the foil bag when first inserted into the device. To insert the housing is folded up and then lowered.

In an alternative embodiment of the invention, a strap or a chain is provided as a driver, which adapts to the shape of the bulge of the filling body as a corresponding conveyor trough. In this embodiment, the transport thus takes place by means of a linear transport element in contrast to the wheel as a rotary transport element according to the embodiment discussed above. Furthermore, non-stretched film webs are alternatively possible.

Also, the invention could not only be used for cutting, but also without a cutting device for reliably transporting a strand gas-filled packing, so that, for example, a reservoir for gas-filled packing can be built relatively high and then by means of the driver element of the random packing strand from the lowest point of the reservoir to the upper filling edge of the reservoir can be transported safely and reliably, cf. this also the EP 1 714 777 A2 ,

In a pure transport device without cutting function, the driver may preferably be formed brush-like.

The drive of the wheel is preferably carried out by an electric motor, wherein the motor is briefly stopped for the actual cutting process. However, it is also conceivable for a device used purely for transport without cutting device to run freely the wheel and to accomplish the rotary drive alone by the train to the outgoing Füllkörperstrang, the train done either by a user or by a downstream transport device can.

Furthermore, in the context of the present invention, an arrangement for producing gas-filled packing strands having a predetermined number of filling pads is proposed, in which a filling device is provided for producing a gas-filled random packing, in which on a roll stockpiled, prefabricated plastic film material, by transverse to the transport direction welds is divided into individual pockets, first via filling openings with gas, preferably air, is filled, wherein in the region of the transverse welds flat connecting portions remain, and then the filling openings are welded airtight. Connected to the filling device is an intermediate storage device for temporarily storing a quantity of stranded packing material which is fed to a cutting device as described above, which cuts off the packing strand after a predetermined number of pads in the flat connecting sections and feeds it to a dispenser for dispensing the packing strand sections. The intermediate storage device may have a storage box for the intermediate storage of a larger amount of filler strand; however, the intermediate storage device may also comprise only a short distance.

In an advantageous embodiment of the arrangement may further be provided a control device which is adapted to receive from a computerized inventory management system, the volume of the article to be packed in a packaging container or the volumes of several, to be packed in the packaging container items and the volume of the proposed packaging container to calculate, based on this information, the remaining void volume in the packaging container, to estimate therefrom the required number of filler cushions and, based thereon, to prepare the production of one or more packed strands with the estimated total number of filler cushions.

Alternatively or additionally, a control device may be provided with a special sensor arrangement, wherein the sensor arrangement is designed to the one filled in an already packed with objects Packing container remaining space to measure and to transmit an approximately this space corresponding signal to the control device, wherein the control device is adapted to estimate from the signal of the sensor assembly and the volume of the packaging container, the required number of Füllkörperkissen, and wherein the control device is designed to the Preparation of a packed strand or multiple filler strands with the estimated total number of filler pad to cause.

Figur 1

eine Zentralansicht einer erfindungsgemäßen Vorrichtung ohne Schneidvorrichtung;

Figur 2

eine Seitenansicht der Vorrichtung aus Figur 1, teilweise in Schnitt-darstellung,

Figur 3

eine Detaildarstellung der Zentralansicht der erfindungsgemäßen Vorrichtung mit Schneidvorrichtung, und

Figur 4

eine Ansicht einer erfindungsgemäßen Anordnung zur Herstellung und Konfektionierung von Füllkörpersträngen.

The invention will be explained in more detail by way of example with reference to the drawings. Show it:

FIG. 1

a central view of a device according to the invention without cutting device;

FIG. 2

a side view of the device FIG. 1 , partly in cross-section,

FIG. 3

a detailed view of the central view of the device according to the invention with cutting device, and

FIG. 4

a view of an inventive arrangement for the production and packaging of filler strands.

FIG. 1 shows a device 10 according to the invention for cutting gas-filled packing 12.

The fillers 12 are designed like a pillow and have a bulge 27. The individual pads 12 are connected by connecting portions 13 provided with perforations (not shown). If a connecting section 13 is provided for cutting, this connecting section 13 is also the cutting area 14.

The device 10 has a central wheel 20 on which arms 21 b are arranged. The arms are provided with depressions 16 into which a knife 15 arranged in a cutting device 11 can engage. The arms 21 b thus form with the recesses 16 and the cutting bars.

At the central wheel 20 connecting webs 28 are provided, which are arranged radially from the center 29 of the central wheel 20 and are connected by means of connecting means 22 with the central wheel. Essentially at right angles and at the same time substantially parallel to the central axis 25 of the central wheel 20, the arms 21b extend axially away from the central wheel (see FIG. 2 ). The arms 21 b are also connected by fastening means 22 to the connecting web 28. The gap 21 a between the arms 21 b forms in conjunction with the arms 21 b, the driver 21. The central wheel 20 and thus the driver 21 are rotatable about the axis 25, so that the rotation of the wheel 20 is introduced via the axis 25 in the device 10 by a drive, not shown, with which the packing 12 are transported. A distance 26 of the arms 21 b to the axis 25 is adjustable depending on the shape of the packing, so that with the device 10 of the invention for different Füllkörpergrößen (ie in particular different widths, ie different distances between the connecting portions 13) can be used.

In the radial gaps between the individual arms 21 b are according to FIG. 1 Furthermore, each trough-shaped guide plates 32 are provided (in Fig. 3 not shown), which are adapted to the contour of the filling body. By these guide plates is in particular prevented that filler or filler strands, which are cut off at one or both ends, can slip into the interior of the wheel 20. In particular, during operation of the device such that is cut after each individual filler, the guide plates 32 are of particular importance.

In a cutting location 30 is a cutting device 11 (see FIG. 3 ) arranged, which is movable against the cutting bar 21 b. In the cutting device 11 is a knife 15, which is provided with a corrugated blade. The Cutting device 11 has a positioning element 17 that is movably arranged by means of springs 18 and has a fixing element 17a. If no use of the cutting device 11 is provided, the positioning element 17 is at rest, since the spring element 18 is not deflected. In this position, the fixing element 17a is located above the filling element 12 on the plane 17b. If two filler 12 are to be cut apart, the spring element 18 is deflected and the positioning member 17 is deflected down to the cutting plane 14 until the fixing 17a on the arm 21 b and thus resting on the cutter bar, whereby the connecting portion 13 is fixed , At the moment of contact of the fixing member 17a with the cutter bar, the center wheel 20 is stopped to allow a clean cut, and the knife 15 cuts the connecting portion 13 and is returned to its home position in the cutter 11. Then the spring element 18 is relaxed again, the positioning element 17 and the fixing element 17a move away from the wheel 20 again, and if they have moved far enough, for example, when the fixing element 17a is again on the plane 17b, the central wheel 20 set in motion again.

According to Fig. 1 are in the central wheel 20, from which the arms 21 b depart, slots 23 are inserted, which are scanned by an optical sensor 24. Each time a slot 23 is exceeded, an electronic counter is driven (not shown). Each slot 23 represents a bag 12. The counter is connected to a control unit (not shown) which evaluates the data generated by the counter and triggers and controls the operation of the cutter 11 and the stopping of the wheel 20. After an adjustable number of bags 12 pass the sensor 24, the controller triggers the cutter 11 (eg, 7 bags, etc.).

In a - not shown - another embodiment of the invention, which is designed as a pure transport device, drivers are provided around a rotatably driven central wheel in the form of extending in the axial direction brushes; ie, the driving arms 21 in the cutting device described above are each replaced by brushes (omitting the cutting device). The arc length spacing of the brushes along the outer circumference corresponds approximately to the width of the packing or a multiple thereof.

In this embodiment, it is made use of that the filling bodies are relatively light and therefore the forces exerted by bristles are already sufficient for the transport of a packed strand, wherein the elasticity of the bristles is adapted to the packing strand to be transported and the conveying height, i. the greater the transport capacity, the harder the bristles must be selected. Due to the flexible bristles inserting the filler strand is easily possible. Furthermore, the strand can be easily pulled forward manually, with the bristles yielding without the filler strand is damaged or accidentally separated at the perforations.

An outer baffle is not necessarily required for such a pure transport device, since the Füllkörperstrang is already pressed by the force of gravity sufficiently into the driver. The brush-driven transport device described above can thus be made quite simple and lightweight.

In FIG. 4 is an arrangement for the arrangement for producing gas-filled random strands 12 shown schematically with a predetermined number of pockets or cushions. This arrangement consists of a filling device 40, which produces from a flattened half-tube film, which is supplied from a supply roll 42, the first endless air-filled random packing 12. For this purpose, air is blown in open on one side pockets so that they bulge like a pillow. Immediately thereafter, the still open pockets are hermetically sealed by welding the top and bottom film, the air can not escape before. Regarding the details is on the EP 1 714 777 A2 referred to, which is incorporated herein by reference in the present disclosure. Of course, however, other known filling devices and film types can be used in the context of the present invention.

The random packing strand is preferably first deposited in a meander-shaped manner in a storage box 44 arranged below the filling device, although such a storage is not absolutely necessary for the present invention. The fill level in the storage box 44 is monitored by a light barrier. If the level exceeds a level marked 46, the production of the packing is stopped. If the level falls below this limit (possibly taking into account a preset switching hysteresis), then production is restarted. In this way, a sufficient supply of packing should always be guaranteed, so that temporal consumption peaks in the Füllkörperbedarf can be compensated and the filling device 40 can be dimensioned in terms of a lower Füllkörperproduktionsfrequenz and the corresponding prefabricated Füllkörperabschnitte can still be provided very quickly. In addition, with an empty supply roll 42, the time for replacement of the same can be bridged.

The random packing 12 is subsequently removed from the lower region of the storage box 44 and laterally pulled upwards past the layers of the packed body strand stacked one above the other. Even if, in contrast to the representation in FIG. 4 actually a more random stratification of the packing strand in the storage box 44 will result, the stored Füllkörperstränge can not get tangled, especially as the width of the storage box is matched to the width of the packing. The tensile force required to remove the filler strand is determined by a preferably as based on FIGS. 1 to 3 described trained cutting and transport device 10 applied. This is located in the illustrated embodiment on a telescopic support 48 significantly above the usual working height, so that the delivery of the Füllkörperabschnitte can be done from above. To od without the aid of a ladder. Like. Threading the random body 12 in the cutting and transporting device 10, the telescopic support 48 can be moved by electric motor from its illustrated working position down.

The use of the cutting and transporting device 10 according to the invention has the advantage that the film bag line 12 can be removed from the storage box 44 with respect to the production speed of the packing higher speed and simultaneously with the cutting device 30 can be cut to the desired length, without doing the end cushions would be damaged.

Of the cutting and transporting device 10 of the random packing 12 falls by gravity into the oblique insertion portion 52 of a horizontally disposed transport channel 54. The transport channel 54 is fed by a provided in the drawing left front side fan with a continuous flow of air, as shown by the arrows 50 indicated, the air flow on the opposite open end 66 of the transport channel 54 exits, so that the Füllkörperstrangabschnitte 12 are transported in the transport channel 54 on. At the bottom of the transport channel 54 actuatable flaps 56, 58 are provided by an actuator, which are assigned to individual packing stations. Of course, depending on the arrangement and the number of packaging places more than two flaps can be provided. If only one packing station is to be loaded, depending on the spatial requirements, either a transport channel 54 can be completely dispensed with, or a transport channel with a single, permanently open outlet opening can be used.

About the respective open flap (in the exemplary embodiment, the flap 56 is opened) leaves the Füllkörperabschnitt 12 the transport channel 54. Below the flaps 56, 58 are to be loaded with packing packaging containers 60 and 62 (eg, the boxes shown schematically) positioned on appropriate packing stations, so that the Füllkörperabschnitte can fall directly into the above still open cardboard with the objects to be padded.

Alternatively, it is also possible to collect the packed strand sections in collecting baskets arranged below the flaps or a single collecting basket (not shown) and to process these manually. It continues possible, od the packaging container by means of a conveyor belt. Like. Pass below the flaps 56, 58, so that the packaging container can be filled automatically on their way through the conveyor belts with the required amount of packing, their distribution within the packaging container then usually still is to be optimized manually.

In a preferred embodiment, the entire arrangement is controlled by a microprocessor-based control unit in such a way that in each case an individually adapted number of gas-filled filler cushion is produced for a specific packaging task.

This set of desired stuffing pads in the skein can be preselected either by a user via a numeric keypad or by pressing a button (e.g., a footswitch) several times. In the latter case, each push-button operation may correspond to a predetermined number of pockets - for example 6 pieces. If no further key actuation takes place for a predetermined time, then a strand is produced with the corresponding number of filling cushions. Alternatively, the production of the filler strand after preselection of the amount can be triggered by a first button by pressing a second button.

Alternatively, it is also possible that the corresponding Füllkissenanzahl is calculated from the information of a merchandise information system. In such merchandise management systems, a storage of the dimensions of the objects to be packaged is often already provided for shipping purposes, so that the merchandise management system can propose a suitable packaging or carton size. On the basis of the volumes of the objects to be packaged and the known internal volume of the packaging proposed by the merchandise management system, the remaining space to be filled with filler can then be calculated. Based on the known volume of a single packed pad, the required number of packing elements can then be estimated - at least approximately.

In an alternative or additional embodiment, the content of a box or container already filled with the objects to be packaged, which are still open at the top, is detected by sensors 64 (cf. FIG. 4 ) preferably scanned without contact and thereby determined the remaining void in the container. The sensors 64 may be stereoscopically arranged video cameras or systems which scan the contours of the cardboard contents contactlessly by means of laser beams or ultrasound and thus capture a relief image of the cardboard contents, from which - with knowledge of the cardboard inner volume - the remaining void volume are calculated and thereupon in turn, the required number of fillers can be estimated.

Since the delivery rate of the transport channel 54 is generally limited with respect to the maximum length of a packed strand, it can be provided that, when longer filler strands are required, they are output in a plurality of single strands. This simplifies in many cases, the handling of the filler strands in the distribution in the packaging containers. For example, if a string of 35 stuffing pads were requested, one strand could be produced instead of 20 and another strand of 15 pads if the maximum conveyable strand length comprised 20 pads.

The requested number of random packings is then produced at the instigation of the control device by first opening the flap 60 associated with this dispensing point with respect to the desired dispensing point of the packed strands, or closing the non-applicable flap 62. Subsequently, the cutting and transporting device 10 is moved by the calculated angle amount, which corresponds to the number of desired filler, with the corresponding Füllkörperstranglänge 12 is removed from the storage box. Falls below the level 46 in the storage box filler are nachproduziert by the filling device 40.

Subsequently, the wheel 20 of the cutting and transporting device 10 is stopped and the cutting device 11 is triggered. So that at the in FIG. 4 at 11 illustrated position cut off filler strand section is released, the wheel 20 is then further moved by a predetermined angular amount, which is taken into account in the next design of filler strands.

Claims (15)

Device for cutting gas-filled random packings (12), these being fed to the device in the form of a strand of successive gas-filled random packings connected by flat connecting sections (13),
marked by a cutting device (11) having a cutting element (15) for cutting the gas-filled filling bodies (12) in the connecting section (13) between two filling bodies, - At least one driver (21) having a driving area (21 a) for receiving a filling body (12), wherein the driver (21) together with the filler body (12) arranged movable and designed such that in the driver (21) befindliche Filler (12) is centered, - A counting unit (23, 24) for detecting a number of packing (12), which are moved over a reference point, and - An evaluation and control unit for detecting the data of the counting unit (23, 24) and for triggering a cutting operation by the cutting device (11). Device according to claim 1,
characterized in that
the cutting device (11) has a positioning device (17) with a fixing element (17a) which holds by means of a force exerted on the film, the connecting portion (13) between the packing (12) and thus the cutting area (14) during the cutting operation. Apparatus according to claim 1 or 2,
characterized in that
the driver (21) is formed by at least two arms (21b) which are arranged radially on a central wheel (20) spaced from the center of the central wheel and directed axially outwards, the arms (21b) preferably being arranged relative to one another, in that the filling body (12) is arranged centered between the arms (21 b). Device according to claim 3,
characterized in that
the outer end faces of the arms (21 b) are trapezoidal. Apparatus according to claim 3 or 4,
characterized in that
the distance of the arms (21 b) from one another as a function of the bulge (28) of the filling body (12) is selected so that the filling body (12) centered between the arms (21 b) can be arranged without the filling body (12) in particular Cutting damage. Device according to at least one of claims 3 to 5,
characterized in that
the arms (21b) relative to the center (29) of the wheel (20) are radially adjustable. Apparatus according to claim 1 or 2,
characterized in that
the driver (21) is formed by a chain and a belt conveyor trough (21 a). Device according to at least one of claims 1 to 7,
characterized in that
the counting unit (24) is an optical sensor, the sensor (24) preferably being arranged at the reference point, wherein slots (23) are preferably arranged on the central wheel (20) and can be scanned by the optical sensor (24) , Device according to at least one of claims 1 to 8,
characterized in that
the cutting element (15) has a serrated cut surface. Device according to at least one of claims 1 to 9,
characterized in that
the driver (21) and / or the central wheel (20) are made persistent at the time of performing the cut. Arrangement for producing gas-filled random packing strands having a predetermined number of cushions,
marked by - A filling device (40) for producing a gas-filled Füllkörperstrangs, in which on a roll (42) stored, prefabricated plastic film material, which is divided by relative to the transport direction transverse welds into individual pockets, first via filling openings with gas, preferably air, is filled, wherein flat connecting sections remain in the area of the transversal weld seams, and then the filling openings are welded airtight, - an intermediate storage device (44) adjoining the filling device (40) for temporary storage of a quantity of strand-form filler material (12), - A cutting device (10) according to any one of claims 1 to 10, which takes the Füllkörperstrang (12) from the intermediate storage device (44) and this cuts off after a predetermined number of Füllkörperkissen in the flat connecting portions, and - A dispenser (52, 54) for dispensing the Füllkörperstrangabschnitte (12). Arrangement according to claim 11,
marked by
a control device designed to the volume of the article to be packed in a packaging container (60, 62) or the volumes of a plurality of articles to be packed in the packaging container and the volume of the packaging container (60, 62) provided for the packaging are to be obtained by a computerized inventory management system; - calculate the remaining void volume in the packaging container on the basis of this information, - to estimate from this the required number of filler pads, - And based on the preparation of a random packing strand or multiple filler strands with the estimated total number of filler pad to cause. Arrangement according to claim 11 or 12,
marked by
a control device and a sensor arrangement (64), wherein the sensor arrangement (64) is designed to measure the remaining empty space in a packaging container (60, 62) already filled with articles to be packaged and to transmit a signal approximately corresponding to this empty space to the control device, - wherein the control device is adapted to estimate from the signal of the sensor assembly (64) and the volume of the packaging container (60, 62) the required number of Füllkörperkissen, and wherein - The control device is designed to induce the production of a packed body strand or more Füllkörperstränge with the estimated total number of Füllkörperkissen. Device for controlled transport feed gas-filled packing (12), wherein the gas-filled packing (12) of the device in the form of a strand of successive, by flat formed connecting portions (13) connected gas-filled packing are supplied
marked by
at least one driver (21) having a driving region (21 a) for receiving a filling body (12), wherein the driver (21) is movably arranged together with the filler body (12), and is formed such that the driver (21) in engages the connecting portions located between the packing and is adapted to the contours of the packing so that it can exert a feed force on the Füllkörperstrang. Device according to claim 14,
characterized in that
a plurality of drivers are provided, which are formed like a brush.

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