EP0061663A2 - Maschine zur Behandlung von Verpackungsbehältern - Google Patents

Maschine zur Behandlung von Verpackungsbehältern Download PDF

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Publication number
EP0061663A2
EP0061663A2 EP82102214A EP82102214A EP0061663A2 EP 0061663 A2 EP0061663 A2 EP 0061663A2 EP 82102214 A EP82102214 A EP 82102214A EP 82102214 A EP82102214 A EP 82102214A EP 0061663 A2 EP0061663 A2 EP 0061663A2
Authority
EP
European Patent Office
Prior art keywords
machine
accordance
transport
feeding
packing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82102214A
Other languages
English (en)
French (fr)
Other versions
EP0061663A3 (en
EP0061663B1 (de
Inventor
Stig Allan Löthman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tetra Pak AB
Original Assignee
Tetra Pak AB
Tetra Pak International AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tetra Pak AB, Tetra Pak International AB filed Critical Tetra Pak AB
Priority to AT82102214T priority Critical patent/ATE20013T1/de
Publication of EP0061663A2 publication Critical patent/EP0061663A2/de
Publication of EP0061663A3 publication Critical patent/EP0061663A3/en
Application granted granted Critical
Publication of EP0061663B1 publication Critical patent/EP0061663B1/de
Expired legal-status Critical Current

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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
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10—Feeding, e.g. conveying, single articles
    • B65B35/26—Feeding, e.g. conveying, single articles by rotary conveyors
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages

Definitions

  • the present invention relates to a machine for the processing of packing containers comprising a drivable means of transport for the moving of the packing containers between different processing stations.
  • a material web of a flexible, but relatively shape-retaining, laminated material which comprises layers of paper, thermoplastics and possibly aluminium foil.
  • the material web is supplied in the form of a roll to a packing machine which successively converts the material web to a tube or hose by sealing the longitudinal edges of the web to one another.
  • This liquid-tight tube is filled with contents, whereupon it is divided into individual, substantially cushion-shaped packing containers by compression and sealing together along zones situated at equal distances, extending transversely over the material tube.
  • the packing containers so obtained are formed in conjunction with the said compression and sealing together to substantially parallelepipedic units, which are separated from each other by cuts in the transverse sealing zones.
  • the parallelepipedic shape is disturbed, however, by the said sealing zones converted to projecting sealing fins as well as by four triangular, double-walled corner lugs which for reasons of geometry are formed of excess material during the conversion from cushion-shape to substantially parallelepipedic shape.
  • Each individual packing container is then conveyed further to a machine, possibly built together with the main packing machine, for the processing (so-called final shaping or final folding) of the packing containers.
  • a machine possibly built together with the main packing machine, for the processing (so-called final shaping or final folding) of the packing containers.
  • the sealing fins as well as the corner lugs are folded in against and joined to the container body proper so that a packing container of a more correct parallelepipedic shape is produced.
  • This processing or final folding of each individual packing container manufactured by the packing machine takes place successively in that each packing container is moved between and is processed in different processing stations in the final folder, the time for the whole processing cycle being determined, among other things, by the heat-sealing times of the thermoplastic material, which renders it difficult to design a final folder which operates at sufficiently high speed to serve fast packing machines.
  • the movement of the more or less finished packing containers step-by-step also makes high demands on accuracy, if it is to be ensured that each packing container is moved to the exactly correct processing position at each station.
  • the means of transport comprises an intermittently rotating drum which along its periphery is provided with holding devices for individual packing containers, which holding devices are arranged at a mutually uniform pitch which corresponds to the pitch between the processing stations fixed around the means of transport, and are adapted so that during rotation of the means of transport they are manoeuvred between an open and a closed position.
  • a machine for the processing or final folding of packing containers which not only brings about a very high working speed, but also makes it possible to increase the available processing time at each station, at the same time as the machine guarantees a safe removal of the partially processed packing containers between accurately fixed positions at each processing station.
  • the machine in accordance with the invention also provides a safe guidance of the packing containers during the transport between the processing stations and ensures finally that the folding-in of the corner lugs is taking place step-by-step in a well-defined and accurate manner.
  • figure 1 is schematically illustrated a preferred embodiment of the machine in accordance with the invention.
  • the machine is arranged at and connected to a conventional packing machine, of which only a limited part 1 is shown in the figure.
  • the machine in accordance with the invention is adapted to take in hand and to finish packing containers 2 delivered from the packing machine 1 and it is driven synchronously with the packing machine 1 by means of a driving shaft 3 which connects the machine in accordance with the invention to a power take-off 4 in the packing machine.
  • the machine in accordance with the invention may be divided into three main units, namely a final folding unit 5 proper wherein the successive processing of the packing container taken in hand is taking place, a transportation unit 6 for the conveying of the packing container 2 from the packing machine 1 to the final folding unit 5, and a power transmission and driving unit 7 for the driving of the final folding unit 5 and the conveying unit 6 synchronously with the packing machine 1.
  • the power transmission and driving unit 7 is situated lowermost in the machine and constitutes at the same time a foundation for the other units.
  • the transportation unit 6 is situated between the packing machine 1 and the final folding unit 5, space being provided underneath the transportation unit 6 for a conveyor 8 mounted above the driving unit 7, which extends right-angled to the transportation unit 6 and is adapted for the removal of finished packing containers 2 from the final folding unit 5 for the further transport to a packer which collects a number of individual packing containers 2 into a larger collective package in order to facilitate the further transport to the consumer.
  • the transportation unit 6 comprises a frame 9 which has two parallel elongated sidewalls between which the packing containers are conveyed from the packing machine 1 to the final folding unit 5 by means of an endless main conveyer belt 10 which moves around pulleys, arranged at both ends of the conveying unit 6, and which are supported so that they can rotate freely between the two parallel sides of the frame 9.
  • the end pulley 11 is connected to a driving motor (not shown) and serves at the same time as an end pulley for a further conveyor belt 12 which is designed as a receiving conveyor belt for the packing containers delivered from the packing machine 1.
  • the receiving conveyor belt 12 as well as the main conveyor belt 10 comprise a great number of parallel belts which are arranged with gaps between them, sufficient to allow them to pass over the common end pulley 11 without interfering with each other.
  • the main conveyor belt 10 extends substantially horizontally or slightly upwards towards the final folding unit 5, whilst the receiving conveyor belt 12 slopes in the opposite direction and, more particularly, extends upwards towards the packing machine 1 at an angle to the horizontal plane which amounts to approx. 30°.
  • the partially formed packing containers, fed-out from the packing machine 1 will, after a short distance of free fall, land and be checked gently by the sloping conveyor belt 12, whereupon they are transferred directly to the main conveyor belt 10 to be moved on in the direction of the final folding unit 5.
  • a feeding-out conveyor belt 13 situated above the same is provided, which moves in the same main direction as the main conveyor belt 10, but is situated at a distance above the sane which substantially corresponds to or slightly exceeds the height of the packing containers transported on the main conveyor belt 10. Whilst the main conveyor belt 10 and the receiving conveyor belt 12 are driven at a uniform, constant speed, the feeding-out conveyor belt 13 is driven at a constant speed which is twice the speed of the main conveyor belt 10. With the help of a finger 14 projecting from the conveyor belt 13 the feeding-out conveyor belt 13 takes over the feed of the packages arriving on the main conveyor belt 10 and moves the same at twice the speed over the final stretch from the main conveyor belt 10 and over to the final folding unit 5.
  • the power transmission or driving unit 7 located under-' neath the transportation unit 6 extends from the lower end of the packing machine 1 and in, underneath the final folding unit 5 proper.
  • the power transmission unit 7 comprises an open part, shown to the left in figure 1, wherein runs the driving shaft 3 which connects the power take-off of the packing machine 4 to a closed transfer gearbox 15, shown on the right in figure 1, which at the same time constitutes the foundation for the final folding unit 5.
  • the open part of the power transmission unit 7 comprises two parallel sides and a base and in the main has three functions, namely in the first place to prevent contact with the driving shaft 3, secondly to fix the final folding unit at a correct distance from the packing machine 1 and thirdly to serve as a collecting trough for liquid contents which e.g. may leak from the packing containers.
  • the driving shaft 3 connects via suitable couplings and gearboxes (not shown) the driving motor of the packing machine to the driving system of the final folding unit 5, so that the final folding unit automatically can be driven synchronously with the packing machine. It is also possible to drive the final folding unit 5 by means of a separate driving motor (now shown) which makes possible, for example, operation of the final folding unit 5 and the transportation unit 6 after the main packing machine 1 has been stopped.
  • the actual main portion of the machine in accordance with the invention that is to say the final folding unit 5, has a foundation which in its lowest part accomodates the transfer gearbox 15 mentioned earlier. Above this there is a second gearbox which comprises an indexing gear 16, and above this there is a further gearbox comprising an upper mitre gear 17.
  • the driving shaft 3 extending through the power transmission unit 7 is connected via a coupling to an incoming shaft 18 in the transfer gearbox 15 (fig. 3).
  • the incoming shaft 18 runs horizontally in to the transfer gearbox and drives a lower mitre gear 19 and a rear mitre gear 20.
  • the rotation of the incoming shaft 18 is transferred via the rear mitre 20 to a lower shaft 21 also situated horizontally, but at a right angle to the incoming shaft 18, which, via operating cams 22 at both its ends, converts the movement to a reciprocating oscillating motion of two operating arms 23 mounted so that they can oscillate in the transfer gearbox, the function of which will be described in detail in the following.
  • the rotation of the incoming shaft 18 is transmitted further via the lower mitre gear 19 mentioned earlier to a transfer shaft 24 extending vertically through the final folding unit 5.
  • the transfer shaft 24 drives the indexing gear 16 via a mitre gear so that the rotation of the transfer shaft 24 is converted to a repeated turning movement or indexing of 1/6th turn of an intermediate shaft 25 projecting on either side of the indexing gearbox.
  • From the indexing gearbox the rotation is transferred via a further cutout by way of the upper mitre gear 17 to a horizontally situated upper shaft 26 which is provided on both ends with cams 27, the function of which will be described in the following.
  • the incoming shaft 18 is also provided, finally, with a feed cam plate 28 which via a cam follower 29 drives a feed assembly 30 mounted so that it can oscillate outside the transfer gearbox.
  • the feed assembly 30 comprises two substantially vertical arms 31 extending on either side of the driving shaft.
  • the arms 31 are supported by two parallel shafts 32 which are both supported so that they can rotate in the end wall of the transfer gearbox 15.
  • one of the shafts 32 extends with its one end into the transfer gearbox where it supports the cam follower 29. Via this shaft the feed assembly 30 can be actuated in a reciprocating oscillating movement.
  • the two oscillating arms 31 support at their upper part a feeding-in device 33 and a feeding-out device 34 which are in parallelogram suspension in the arms 31. The function of the two feeding devices 33, 34 will be described in the following.
  • the transfer gearbox 15 is designed as an oil trough and partially filled with oil which is supplied by means of pumps (not shown) to the different movable parts located in the final folding unit such as shafts, mitre gears etc.
  • the driving system mentioned above and described in connection with figure 3 is wholly closed.
  • FIG. 2 shows the final folding unit 5 itself in perspective. It is evident from the figure how the foundation described earlier, consisting of the transfer gearbox 15, the indexing gear 16 and the upper mitre gear 17, supports two rotatable means of transport 35.
  • the two means of transport 35 each comprise a centrally situated rotatable drum 36 which is firmly attached to the end of the intermediate shaft 25 projecting from the indexing gearbox housing 16.
  • the two means of transport 35 are mutually identical (so that in the following only one will be described) and are situated axially in line with one another on either side of the indexing gearbox 16. It is the task of the means of transport 35 to remove the packing containers supplied via the transportation unit 6 (fig.
  • each fixed jaw 38 is substantially L-shaped, the longer leg of the L forming the said working surface which extends substantially radially in relation to the drum 36 whilst the shorter leg extends at an angle of 90° to the working surface so that the said shorter leg in effect forms the base 40 of the holding device 37.
  • a cutout is provided to accomodate a sealing fin on the packing containers.
  • the fixed jaw 38 is firmly attached with its shorter leg to the drum 36.
  • the movable jaw 39 is supported so that it can pivot about an axle 41 extending parallel with the centre axle of the drum. More particularly, the jaw 39 supported pivotably constitutes one arm of a lever 42, the other arm of which supports a cam follower 43 which is permanently engaged with a fixed double cam 44 situated centrally in the drum 36.
  • the cam 44 On rotation of the means of transport 35, the cam 44 will via the cam follower 43 and the lever 42 act upon the movable jaw so that it is moved between a closed position, wherein the plane working surface of the jaw 39 extends parallel in relation to the working surface (longer leg) of the fixed jaw 38, and an open position, wherein the movable jaw 39 is pivoted out at an angle of substantially 10° with the fixed jaw 38, which will be explained in more detail in the following description of the function of the machine.
  • Distributed around the means of transport 35 are a number of processing stations which are arranged at a mutual pitch which corresponds to the pitch between the holding devices 37 of the means of transport.
  • a feeding-in station 45 is present at the end of the transportation unit 6 which is followed by a prefolding station 46 situated substantially above the centre axle of the means of transport 35.
  • a prefolding station 46 situated substantially above the centre axle of the means of transport 35.
  • an adhesive station 47 After the prefolding station 46 follows an adhesive station 47, a final folding station 48, a stand-by station 49 not utilized at present and a feeding-out station 50.
  • the different stations have been listed here in the sequence in which they are reached during the operation of the machine by an individual packing container moved by the means of transport 35.
  • the means of transport 35 is thus indexed during operation step-by-step clockwise in figure 1, each movement corresponding to a turn which agrees with the pitch angle between the different stations (60 0 ).
  • each means of transport 35 is also surrounded by a number of guide rails (fig. 4) which are fixed in relation to the foundation of the machine, and adapted to guide and process the packing containers moved by the means of transport.
  • Each means of transport 35 co-operates with two different types of guide rails, namely on the one hand outer guide rails 51 which extend around the means of transport substantially at the same level as the outer ends of the holding devices 37, and inner guide rails 52 which extend around the means of transport substantially at the same level as the base surfaces 40 of the holding devices 37.
  • the outer as well as the inner guide rails are double and are situated on either side of the means of transport 35, which is seen most clearly from figure 2.
  • the guide rails 51, 52 are attached to sides of a frame 53 situated outside the means of transport 35 which in turn is rigidly joined to the foundation of the machine.
  • the stand 53 is illustrated, for reasons of clarity, only by means of dash-dotted lines in figure 2.
  • the guide rails 51, 52 are thus fixed and therefore do not follow the means of transport 35 during its indexing movement.
  • the two outer guide rails 51 commence at the same level as the feeding-in station and extend substantially from there past the prefolding station and further round the means of transport to finish at the feeding-out station.
  • the distance between the two guide rails 51 and the centre axle of the means of transport 35 varies inasmuch as the guide rails 51 at the same level as the feeding-in station 45 are nearer to the centre axle of the means of transport than they are during the remainder of their extension around the means of transport.
  • the distance between the guide rails 51 and the centre axle of the means of transport is increased successively on the extension between the feeding-in station and the prefolding station, to be diminished again thereafter, so that the guide rails approach the periphery of the means of transport and run at substantially constant distance during the remaining extension of the guide rails to the feeding-out station.
  • the distance between the guide rails 51 and the base surfaces 40 of the holding devices 37 will be increased successively, seen in the direction of movement of the holding device 37, from a distance which is less than the height of the holding device 37 to a distance which, at the same level as the prefolding station 46, is greater than the height of the holding device 37.
  • the guide rails 51 approach the height of the holding device again and thereafter continue at this level right to the feeding-out station.
  • the mutual distance between the two guide rails also varies.
  • the distance between the guide rails 51 is slightly greater than the width of the holding device 37, that is to say the distance between the lateral surfaces of the jaws 38, 39 measured parallel with the centre axle of the means of transport 35.
  • this distance is successively reduced, at the same time as the guide rails 51, as mentioned previously, move away more and more from the centre axle of the means of transport 35, and the mutual distance between the guide rails 51 has been reduced at the level of the prefolding station 46 so that the distance between the surfaces of the guide rails 51 facing each other largely agrees with the distance between the lateral surfaces of the jaws 38, 39.
  • the distance is successively reduced further so that at the level of the adhesive station 47 it is slightly smaller than the distance between the lateral surfaces of the jaws 38, 39. This distance is retained substantially during the continued extension of the guide rails 51 up to the feeding-out station.
  • the two inner guide rails 52 extend similarly to the outer guide rails 51 around the means of transport 35 with the front end level with the feeding-in station 45, or between this and the prefolding station, and the rear end situated before the feeding-out station 50.
  • the two inner guide rails 52 are placed appreciably closer the centre axle of the means of transport 35 and are therefore situated substantially level with the base surfaces 40 of the holding device 37.
  • the guide rails 52 extend along their whole length at a slight distance outside the lateral surfaces of the two jaws 38, 39, that is to say the distance between the surfaces of the guide rails 52 facing towards each other is slightly greater than the width of the jaws 38, 39.
  • the width of the jaws 38, 39 is intended, here as well as in other parts of the description and the claims, to mean the distance between the lateral surfaces of each jaw facing from each other, which distance substantially corresponds to the width of a packing container handled.
  • the height of a holding device is intended, moreover to mean the distance from the base surface of the holding device facing towards a packing container to the outer end of the jaws 38, 39. In other words the height of the holding device 37 substantially corresponds to the height of a processed packing container.
  • the front ends of the two guide rails 52 are situated at the feeding-in station at a distance from the centre axle of the means of transport which is slightly smaller than the distance between the base surface 40 of the holding device and the said centre axle, that is to say the guide rails 52 are a little "below" the base surface 40 of the holding device.
  • the distance between the two guide rails 52 and the centre axle of the means.of transport 35 is successively increased so that the guide rails, at the level of the prefolding station 46, are at a slightly greater distance from the said centre axle than the base surface 40 of the holding device 37.
  • the two guide rails 52 subsequently run at a small distance "above” the base surface 40 during their remaining extension up to the rear end.
  • the outer guide rails 51 as well as the inner guide rails 52 preferably consist of metal tube, through which a cooling medium e.g. water can be made to circulate during the operation of the machine.
  • a cooling medium e.g. water
  • a number of fixed processing stations are provided around the means of transport 35 between which the packing containers are adapted to be moved during processing and forming intermittently with the help of holding devices of the means of transport.
  • the movable jaws 39 of the holding devices are acted upon through engagement of the cam followers 43 with the cam 44 between the open and closed position.
  • the movable jaw In the open position the movable jaw is in a slightly pivoted-out position in relation to the fixed jaw, which brings about the removal of a packing container to or from the respective holding device.
  • the cam 44 has a varying radius along its circumference. More particularly, the cam has during substantially one half turn a relatively small radius which increases thereafter to a maximum and subsequently is reduced again to the small radius mentioned earlier.
  • the portion of the cam during which the radius successively diminishes from the said maximum to the region with a smaller radius is located so that the holding devices 37 will be in an intermediate position, that is to say they will be partially open when they are in the prefolding station 46.
  • the term "partially open” is to be understood to mean that the holding device certainly retains the packing container between the jaws, but nevertheless allows a certain movement or correction of the position of the packing container in the holding device if the packing container is subjected to external forces.
  • the different portions of the cam are located so that during the intermittent rotation of the means of transport the holding devices are open whilst they are at the feeding-in and feeding-out stations, and closed whilst they are at the adhesive and pressing shut stations.
  • the packing container present in the holding device is certainly enclosed by the two jaws 38, 39, but they do not retain the packing container immovably but the packing container can be moved, presenting a certain resistance, under the effect of external forces.
  • the feeding-in station 45 is situated at a level with the feeding-in device 33 which is supported by the feed assembly 30 and with the help of the same is movable to and fro between the feeding-in stations of the two means of transport 35 so as to make possible the removal of packing containers delivered from the transportation unit 6 along a channel (not shown) extending transversely between the means of transport 35.
  • a stop 54 mounted on the side of the frame 53 is also present which is in the shape of a plate situated just in front of the feeding-in device 33 serving for the limitation of the movement of the packing containers and so as to ensure that they end up in correct position in the open holding device.
  • the length of stroke of the feeding device 33 is such that the distance between the feeding-in device and the said stop 54 in the turning position of the feeding-in device corresponds to the width of a packing container, which ensures a correct placing and fixing of the packing container between the jaws of the holding device.
  • the prefolding station 46 comprises a base folding plate 55 arranged above the holding device situated in the prefolding station and two top folding plates 56 arranged on either side of the holding device (fig. 9).
  • the base folding plate 55 as well as the top folding plates 56 are supported by a supporting arm 57 which is positioned so that it can freely rotate on a transverse supporting axle 58 which extends parallel with the centre axle of the means of transport 35.
  • the base folding plate 55 and the top folding plates 56 are synchronously movable between an upper position and a lower position with the help of the cam 27 mounted on the upper axle 26 which rests against and acts upon a roller 59 supported so that it can rotate in the base folding plate 55 and which by means of a spring element (not shown) can be pressed against the surface of the cam 27.
  • the base folding plate 55 has a plane working surface facing towards the holding device which in the upper, inactive position of the base folding plate is at a slight distance above the outer (upper) end of the holding device so that during the action of the cam 27 in its active position it is substantially at the same level as the outer edge of the holding device 37, that is to say at the same level as the upper end faces of the two jaws 38, 39.
  • the base folding plate 55 is movable in radial direction of the means of transport from its rest position outside the two guide rails 51 to its active position between the guide rails and the centre of the means of transport.
  • the base folding plate 55 is between two and ten millimetre narrower than the free distance between the guide rails 51 at the level of the prefolding station.
  • This dimension is adapted to the thickness of the material of the packing container processed.
  • the reciprocating movement of the base folding plate 55 caused by the cam 27 also imparts a corresponding movement - to the two top folding plates 56 situated on either side of the holding device, since these are joined to the supporting arm 57 by means of intermediate arms 60.
  • the lower ends of the two top folding plates 56 that is to say the ends facing towards the centre axle of the means of transport 35 are thus moved between a rest position at a distance above the base surface 40 of the holding device 37 to an active position, substantially at a level with the said base surface.
  • the top folding plates 56 are adapted so as to co-operate with the inner guide rails 52, serving as holders-up, which in the prefolding station are situated on either side of the holding device and are a small distance above the base surface 40.
  • a guide plate 61 which is suspended on the supporting arm 57 and is adapted so as to accompany it in its pivoting movement, when the cam 27 moves the base folding plate 55 between its upper and lower position.
  • the guide plate 61 is situated a little outside the outer ends of the holding device 37 and is of a width which substantially corresponds to the width of the base folding plate 55.
  • the adhesive station 47 in the embodiment of the machine in accordance with the invention is provided with a hot-air assembly 62 which is fixed outside the path of movement of the means of transport 35.
  • the hot-air assembly 62 is of a known type and produces hot air which via pipes and nozzles is supplied to the packing containers located in the adhesive station of the means of transport. More particularly, the hot air is supplied via two bottom nozzles 63 which are located at a slight distance outside the outer boundary surface of the holding device 37, so that they extend in underneath the partially folded down bottom lugs of a packing container fixed in the holding device, and two top nozzles 64, located on either side of the inner end of the holding device, which extend in between the sidewalls of the packing container and the partially folded-in top lugs of the packing container.
  • the bottom nozzles 63 as well as the top nozzles 64 are located outside the path of movement of the means of transport 35 and thus do not obstruct the rotation of the means of transport.
  • the hot-air assembly 62 and the hot-air nozzles 63, 64 are replaced by a so-called hot-melt assembly, that is to say an assembly for the supply of thermoplastic adhesive to the packing container.
  • the placing of the hot-melt nozzles in this case substantially corresponds to the placing of the nozzles 63, 64, since the hot-melt, like the hot air, is to be applied between the corner lugs of the packing container and the packing container walls against which the corner lugs afterwards are to be folded down.
  • the hot-melt assembly of this type is well known and is not described in any detail.
  • the final folding station 48 comprises a final folding assembly 65 (figure 5, 6) which is designed for the final folding or final shaping of the packing containers so that they obtain the desired parallelepipedic shape with folded-in and fixed corner lugs.
  • the final folding assembly to this end comprises two lateral pressure devices 66 and a bottom pressure device 67 which are adapted so that in their active position, together with the two jaws 38, 39 of the holding device and the base 40 of the holding device, they form a practically closed parallelepipedic space whose inner dimension agrees with the desired ultimate dimension of the packing container.
  • the two lateral pressure devices 66 comprise pressure plates 68 which have working surfaces facing each other. These working surfaces are wholly plane apart from the grooves 69 for the inner guide rails 52.
  • Each one of the pressure plates 68 is supported by a front lever arm 70 to which the pressure plate is connected so that it is able to pivot by means of a connecting element 71.
  • the connecting element 71 comprises rubber grommets and is flexible so that the pressure plate 68 endeavours to assume a position substantially parallel with the lever 70.
  • Each of the two frontlever amrs 70 is joined via an axle 72 supported in the machine frame to a rear lever arm 73 which is situated inside the transfer gearbox 15.
  • the rear lever amrs 73 are connected via a conventional system of links and a toggle joint construction 74 to a manoeuvring rod 75 which at its front end carries the bottom pressure device 67.
  • the bottom pressure device 67 which, like the lateral pressure devices 66, has a plane working surface facing towards the packing container, is thus adapted so as to be brought into contact against the packing container, synchronously with the lateral pressure devices, by means of one of the two operating arms 23 located in the transfer gearbox 15, which via the operating cams 22 are driven by the lower shaft 21 of the machine.
  • a safety clutch 76 is incorporated in the driving system between the operating arm 23 and the final folding assembly 65 proper.
  • the safety clutch 76 is of the known type which automatically trips at a certain load, and does not need to be described in detail.
  • the safety clutch 76 as well as the rest of the driving mechanism for the final folding assembly 65 are located, as is evident especially from figure 5, in a bearing housing 77 mounted on the transfer gearbox 15.
  • the next processing station for a packing container moved by means of the means of transport 35 is the stand-by station 49 which may be utilized for any desired further processing of the packing container, e.g. the application of reinforcing strips or bands, date stamping or the like.
  • the feeding-out station 50 is situated right in front of the feeding-out device 34 which is adapted so as to be moved synchronously with the feeding-in device 33 with . the help of the reciprocating arms 31 of the feed assembly.
  • the feeding-out device 34 like the feeding-in device 33, comprises pressure plates 78 which are adapted so as to remove the packing container from the holding device 37, the movable jaw 39 of which has been moved in the feeding-out station to its outwards pivoted position with the help of the cam 44.
  • the pressure plate 78 removes one packing container at the time from the holding device 37 to a chute (not shown) situated alongside (outside) the holding device which is adapted so as to remove the package to the conveyor 8 mentioned earlier, on which the packing containers, in upright position, are withdrawn from the machine in accordance with the invention.
  • the packing containers or packing container blanks coming from the packing machine proper which are wholly filled and closed, leave the packing machine, after they have been separated from the tube from which they have been manufactured, and are allowed to drop down onto the receiving conveyor belt 12 which thanks to its angle with the horizontal plane checks the packing containers gently and transfers them to the main conveyor belt 10, on which they are fed at short mutual intervals in the direction of the final folding unit 5.
  • the feed is taken over by the feeding-out conveyor belt 13 which is driven at substantially twice the speed compared with the main conveyor belt 10.
  • the finger 14 of the feeding-out conveyor belt 13 will engage with the individual packing container and remove it from the rear end of the main conveyor belt 10 to the transverse feeding-in channel along which the feeding-in device 33 performs its reciprocating movement.
  • the feeding-out conveyor belt 13 is synchronized with the movement of the feeding-in device 33 in such a manner that it is always in one of its turning positions when a packing container is delievered to the channel.
  • On removal of the feeding-in device 33 to its opposite end position the packing container fed-in is pushed via the channel to one or other of the holding devices 37 of the two means of transport 35 located at the feeding-in station, where the packing container is retained in the right position by the stop 54.
  • the holding device 37 is dimensioned so that the packing container 2 placed into the holding device rests with its bottom surface against the base of the holding device at the same time as its projecting top and bottom corner lugs 79 and 80 (the packing container is upside down in figure 7) rest against the two inner guide rails 52 and one of the outer guide rails 51.
  • the movable jaw 39 is in its open position at a slight distance from the sidewall of the packing container, and the guide plate 61 is at a distance from the projecting sealing fin 81 of the packing container. Directly before the means of transport 35 is indexed again, the end of the guide plate 61, visible in figure 7, will be lowered towards the sealing fin 81, since the base folding plate 55 at the same time is restored to its rest position in the prefolding station.
  • the packing container is not fixed immovably in the holding device until the same has passed the prefolding station, and in the position shown in figure 8 the movable jaw 39 continues to be at a distance from the sidewall of the packing container, so that the packing container can be moved freely in the holding device and be steered by the guide rails 51, 52. Since the latter in the region between the feeding-in station and the prefolding station successively increase their radius, the packing container will be raised, owing to the engagement between the projecting corner lugs and the guide rails, so that it is clear of the base 40 of the holding device 37. At the same time the sealing fins 81 are folded backwards, seen in the direction of movement of the packing container, owing to the contact with the guide plate 61 and the two inner guide rails 52.
  • the packing container When the indexing movement of the means of transport 35 ceases, the packing container is in the prefolding station 46. In this station the movable jaw 39 partially has come to rest against the side of the packing container 2, but the packing container is not wholly fixed and may continue to be moved in the holding device 37 (fig. 9). Owing to the engagement between the guide rails and the corner lugs of the packing container, the packing container is in an upper or outer position wherein its bottom surface 82 is situated directly underneath the working surface of the base folding plate 55 facing towards the packing container which is in rest position. The upper shaft 26 is now made to rotate one turn by the indexing gear 17, when the cams 27 move the base folding plate 55 as well as the top folding plate 56 in the direction of the centre shaft of the means of transport 35 and back again.
  • This motion moves the packing container downwards until its bottom surface rests against the base 40 of the holding device 37 and the packing container once more is in the position into which it has been placed in the holding device during the feeding-in stage. Since the guide rails 51, 52 in the prefolding station are at a greater distance from the centre axle of the means of transport 35 than they were in the feeding-in station 45, the corner lugs 79, 80 of the packing container will be folded upwards during this movement, that is to say in the direction away from the centre axle of the means of transport 35.
  • the top lugs 79 which are situated at the base surface 40 of the holding device, are folded around the outer ends of the top folding plates 56 so that they form an angle of substantially 45° with the lateral surface of the packing container.
  • the two bottom corner lugs 80 are folded more strongly and, after the movement has been completed, extend vertically upwards, that is to say at an angle of 90° with the bottom surface of the packing container.
  • the folding of the two bottom corner lugs 80 has to take place with simultaneous compression of the material layers in the corner lugs, since ultimately these are to be folded down against and be attached to the bottom surface 82 of the packing container over which passes the sealing fin 81.
  • the means of transport 35 is indexed once more (1-/6th turn clockwise), which brings the packing container from the prefolding station to the adhesive station 47.
  • the holding device 37 is closed, in that the movable jaw 39 is moved to a position parallel with the fixed jaw 38 so that the packing container is held immovably in the holding device.
  • the two bottom lugs 80 will be folded a little further towards each other so that when the packing container reaches the adhesive station 47 they form an angle of approx. 45° with the bottom surface 82.
  • the packing container 2 When the holding device 37 stops in the adhesive station the packing container 2 is in such a position that the bottom nozzle 63 of the hot-air assembly is in the space between the partially folded down bottom corner lugs 80 and the bottom surface 82 of the packing container (figure 10).
  • the top nozzles 64 of the hot-air-assembly 62 are on either side of the upper end of the packing container facing towards the base 40 of the holding device and, more particularly, between the partially folded-in top corner lugs 79 and the free lateral surfaces of the packing container.
  • thermoplastic layer on the packing container is heated to such an extent that it melts and can serve as an adhesive for the attachment of the corner lugs.
  • the packing container is removed by the means of transport 35 until it is in the final folding station 48.
  • the lateral pressure device 66 and the bottom pressure device 67 of the final folding assembly 65 are clear of the path of movement of the holding device so as not to engage in an obstructing manner with the projecting corner lugs 79, 80 of the packing container.
  • the lateral pressure device as well as the bottom pressure device are successively made to lie against the sidewalls and the bottom respectively of the packing container.
  • the pressure plates 68 of the lateral pressure device 66 are oriented so in relation to the lever arms 70, that they are first made to lie against the sidewalls of the packing container at their ends situated towards the bottom of the packing container, whereupon, on continued pivoting of the lever arms to their active position, they are successively swung around the connecting element 71 until they are parallel with each other and rest against the free sidewalls of the packing containers.
  • the lateral pressure device as well as the bottom pressure device When the lateral pressure device as well as the bottom pressure device have been brought into correct position they form together with the jaws and base of the holding device a substantially closed parallelepipedic space, whose inside dimensions correspond to the desired dimensions of the finished packing container.
  • the packing container is allowed to remain in this position until the thermoplastic layer has solidified again and the sealing has been completed.
  • the packing container is then removed through a renewed turning of the means of transport 35 by 1/6th turn to the stand-by station 49, not utilized in this embodiment, which may be used, for example, for the application of reinforcing cardboard discs on one or more of the free surfaces of the packing container (figure 12). Renewed turning of the means of transport 35 conveys the holding device 37 with the packing container concerned to the feeding-out station 50.
  • the cam follower 43 of the movable jaw 39 gradually runs out into the portion of the cam 44 where the radius is greatest, that is to say where the holding device is opened.
  • the packing container is retained in its position in the holding device with the help especially of the two outer guide rails 51 against which the bottom of the packing container slides during the removal to the feeding-out station.
  • the pressure plates 78 of the reciprocating feeding-out device 34 are moved in between the two jaws 38, 39 of the holding device and push the unfastened packing container in lateral direction out of the holding device 37 up to the sliding surface (not shown) arranged outside the means of transport 35 along which the packing container slides down to the conveyor 8. Finished packing containers are thus fed-out alternately from the two means of transport 35 of the final folding unit 5 and transferred to the conveyor so as to be transported away.
  • an alternative embodiment of the machine in accordance with the invention is provided with an assembly for the application of adhesive in place of the hot-air assembly 62 shown in the figure.
  • This variant is applicable even if the machine in accordance with the invention is used for the final shaping of packing containers made of a material which is not covered with an outer thermoplastic layer.
  • the attachment of the corner lugs to the side walls of the packing container is achieved in this case with the help of thermoplastic glue which is applied underneath the corner lugs before these are pressed against the walls of the packing container.
  • the embodiment of the machine in accordance with the invention comprising a rotating means of transport which by an indexing movement moves the packing containers between the different processing stations, guarantees a safe removal of the packing containers between accurately fixed positions at each processing station, which wholly eliminates the risk of deformation of the packing containers because of faulty placing of the same in relation to the processing tools.
  • all the co-operating movable elements of the machine that is to say the means of transport, the different processing stations, the feed assembly etc. are driven from a common source of power and are mechanically connected with each other via the driving assembly, the synchronization between the different movements cannot be lost in normal operation.
  • the machine can also operate at high speed without any risk of faulty processing which ensures high production capacity. This is further enhanced through the utilization of double means of transport which alternately process the incoming packing containers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Closing Of Containers (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Vending Machines For Individual Products (AREA)
  • Steroid Compounds (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Making Paper Articles (AREA)
EP82102214A 1981-03-27 1982-03-18 Maschine zur Behandlung von Verpackungsbehältern Expired EP0061663B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82102214T ATE20013T1 (de) 1981-03-27 1982-03-18 Maschine zur behandlung von verpackungsbehaeltern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8101974A SE436272B (sv) 1981-03-27 1981-03-27 Maskin for bearbetning av forpackningsbehallare
SE8101974 1981-03-27

Publications (3)

Publication Number Publication Date
EP0061663A2 true EP0061663A2 (de) 1982-10-06
EP0061663A3 EP0061663A3 (en) 1983-01-26
EP0061663B1 EP0061663B1 (de) 1986-05-28

Family

ID=20343453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102214A Expired EP0061663B1 (de) 1981-03-27 1982-03-18 Maschine zur Behandlung von Verpackungsbehältern

Country Status (10)

Country Link
EP (1) EP0061663B1 (de)
JP (1) JPS57175538A (de)
AT (1) ATE20013T1 (de)
AU (1) AU545937B2 (de)
CA (1) CA1187056A (de)
DE (1) DE3271322D1 (de)
DK (1) DK154409C (de)
FI (1) FI71283C (de)
NO (1) NO156934C (de)
SE (1) SE436272B (de)

Cited By (21)

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DE3627912A1 (de) * 1986-08-16 1988-02-18 Focke & Co Revolver fuer verpackungsmaschinen
EP0390514A2 (de) * 1989-03-31 1990-10-03 Shibuya Kogyo Co., Ltd Packungsherstellungssytem
EP0819612A1 (de) * 1996-07-15 1998-01-21 Shikoku Kakoki Co., Ltd. Antriebsvorrichtung einer Verpackungsmaschine
EP0819602A2 (de) * 1996-07-15 1998-01-21 Shikoku Kakoki Co., Ltd. Vorrichtung zum Kleben von Faltklappen in einer Verpackungsmachine
FR2821607A1 (fr) * 2001-03-05 2002-09-06 Tetra Laval Holding Et Finance Unite de pliage pour machine d'emballage de produits alimentaires pouvant etre verses
EP2284084A1 (de) * 2009-08-11 2011-02-16 Tetra Laval Holdings & Finance SA Falteinheit für Maschinen zur Verpackung gießbarer Lebensmittel
EP2468641A1 (de) * 2010-12-21 2012-06-27 Tetra Laval Holdings & Finance S.A. Klappeneinheit zur Formung versiegelter Verpackungen für gießbare Lebensmittelprodukte
US8668071B2 (en) 2009-10-09 2014-03-11 Tetra Laval Holdings & Finance S.A. Turning wheel
EP2955118A1 (de) * 2014-06-10 2015-12-16 Tetra Laval Holdings & Finance S.A. Zuführungseinheit zum Zuführen versiegelter Verpackungen von gießbaren Lebensmittelprodukten
EP3009359A1 (de) * 2014-10-13 2016-04-20 Tetra Laval Holdings & Finance S.A. Zuführungseinheit zum Zuführen versiegelter Verpackungen von gießbaren Lebensmittelprodukten
DE102016109980A1 (de) 2016-04-04 2017-10-05 Sig Technology Ag Vorrichtung und Verfahren zum Formen der Giebelflächen von Verpackungen mit schrägem Giebel
WO2020239325A1 (de) 2019-05-31 2020-12-03 Sig Technology Ag Vorrichtung und verfahren zum nachformen der giebelflächen von verpackungen mit schrägem giebel
CN112623344A (zh) * 2020-12-30 2021-04-09 安徽来福电子科技有限公司 一种散热器分类收集系统
CN112623355A (zh) * 2021-01-20 2021-04-09 广州市南沙区特旋商贸有限公司 一种用于超市小型水果自动计数打包机
EP3805111A1 (de) * 2019-10-07 2021-04-14 Tetra Laval Holdings & Finance S.A. Zuführeinheit zur zuführung von versiegelten halbgefertigten packs, die ein giessbares produkt enthalten, zu einer falzeinheit
CN112660487A (zh) * 2020-12-30 2021-04-16 安徽来福电子科技有限公司 一种大功率散热器整理收集系统
DE102020121953A1 (de) 2020-08-21 2022-02-24 Sig Technology Ag Vorrichtung zum Formen der Giebelflächen von Verpackungen
EP4357255A1 (de) * 2022-10-18 2024-04-24 Tetra Laval Holdings & Finance S.A. Falzapparat und verpackungsmaschine mit einem falzapparat
EP4357254A1 (de) * 2022-10-18 2024-04-24 Tetra Laval Holdings & Finance S.A. Falzapparat und verpackungsmaschine mit einem falzapparat
EP4357253A1 (de) * 2022-10-18 2024-04-24 Tetra Laval Holdings & Finance S.A. Falzapparat und verpackungsmaschine mit einem falzapparat
EP4357260A1 (de) * 2022-10-18 2024-04-24 Tetra Laval Holdings & Finance S.A. Zuführförderer für eine falzvorrichtung, falzvorrichtung mit einem zuführförderer und verpackungsmaschine mit einer falzvorrichtung

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JP2544596B2 (ja) * 1984-09-29 1996-10-16 大日本印刷株式会社 箱状容器の製造装置
JP2609990B2 (ja) * 1993-09-13 1997-05-14 大日本印刷株式会社 箱状容器の製造方法
SE527760C2 (sv) * 2004-10-13 2006-05-30 Tetra Laval Holdings & Finance Metod för formstabilisering av förpackningsbehållare
PL1726526T3 (pl) * 2005-05-19 2008-07-31 Tetra Laval Holdings & Finance Jednostka składająca do maszyny pakującej płynny produkt spożywczy
ITTO20070243A1 (it) * 2007-04-05 2008-10-06 Tetra Laval Holdings & Finance Unita' piegatrice per la realizzazione di confezioni sigillate contenenti prodotti alimentari versabili
IT202200005603A1 (it) * 2022-03-22 2023-09-22 Ipi Srl Procedimento per la formazione di contenitori riempiti di un prodotto e sigillati

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US3252384A (en) * 1963-10-11 1966-05-24 Bartelt Engineering Co Inc Transfer mechanism
US3464181A (en) * 1965-02-09 1969-09-02 Hechenleitner & Cie Apparatus for making and filling rectangular containers
FR2217218A1 (de) * 1973-02-13 1974-09-06 Quepor Sa
FR2326333A1 (fr) * 1975-10-02 1977-04-29 Hesser Ag Maschf Machine pour la fabrication d'emballages en forme de sachets remplis d'un liquide et pour le conformage de ces emballages a une forme parallelepipedique

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627912A1 (de) * 1986-08-16 1988-02-18 Focke & Co Revolver fuer verpackungsmaschinen
EP0390514A2 (de) * 1989-03-31 1990-10-03 Shibuya Kogyo Co., Ltd Packungsherstellungssytem
EP0390514A3 (de) * 1989-03-31 1991-03-06 Shibuya Kogyo Co., Ltd Packungsherstellungssytem
EP0819612A1 (de) * 1996-07-15 1998-01-21 Shikoku Kakoki Co., Ltd. Antriebsvorrichtung einer Verpackungsmaschine
EP0819602A2 (de) * 1996-07-15 1998-01-21 Shikoku Kakoki Co., Ltd. Vorrichtung zum Kleben von Faltklappen in einer Verpackungsmachine
EP0819602A3 (de) * 1996-07-15 1998-05-27 Shikoku Kakoki Co., Ltd. Vorrichtung zum Kleben von Faltklappen in einer Verpackungsmachine
US5836139A (en) * 1996-07-15 1998-11-17 Shikoku Kakoki Co., Ltd. Ear bonding device for use in packaging machines
US5836143A (en) * 1996-07-15 1998-11-17 Shikoku Kakoki Co., Ltd. Drive device for use in packaging machines
CN1074733C (zh) * 1996-07-15 2001-11-14 四国化工机株式会社 包装机械上的驱动装置
CN1105664C (zh) * 1996-07-15 2003-04-16 四国化工机株式会社 包装机械的压边装置
FR2821607A1 (fr) * 2001-03-05 2002-09-06 Tetra Laval Holding Et Finance Unite de pliage pour machine d'emballage de produits alimentaires pouvant etre verses
US9120584B2 (en) 2009-08-11 2015-09-01 Tetra Laval Holdings & Finance S.A. Folding unit for pourable food product packaging machines
CN102470943A (zh) * 2009-08-11 2012-05-23 利乐拉瓦尔集团及财务有限公司 用于可倾倒的食物产品包装机的折叠单元
EP2284084A1 (de) * 2009-08-11 2011-02-16 Tetra Laval Holdings & Finance SA Falteinheit für Maschinen zur Verpackung gießbarer Lebensmittel
WO2011018484A1 (en) * 2009-08-11 2011-02-17 Tetra Laval Holdings & Finance S.A. Folding unit for pourable food product packaging machines
RU2535256C2 (ru) * 2009-08-11 2014-12-10 Тетра Лаваль Холдингз Энд Файнэнс С.А. Сгибающий узел для машин упаковки текучего пищевого продукта
CN102470943B (zh) * 2009-08-11 2013-10-30 利乐拉瓦尔集团及财务有限公司 用于可倾倒的食物产品包装机的折叠单元
US8668071B2 (en) 2009-10-09 2014-03-11 Tetra Laval Holdings & Finance S.A. Turning wheel
CN103261034B (zh) * 2010-12-21 2015-05-13 利乐拉瓦尔集团及财务有限公司 用于形成可倾倒食品的密封包装盒的折叠单元
CN103261034A (zh) * 2010-12-21 2013-08-21 利乐拉瓦尔集团及财务有限公司 用于形成可倾倒食品的密封包装盒的折叠单元
WO2012084719A3 (en) * 2010-12-21 2012-08-23 Tetra Laval Holdings & Finance S.A. Folding unit for forming sealed packages of pourable food products
US9475595B2 (en) 2010-12-21 2016-10-25 Tetra Laval Holdings & Finance S.A. Folding unit for forming sealed packages of pourable food products
EP2468641A1 (de) * 2010-12-21 2012-06-27 Tetra Laval Holdings & Finance S.A. Klappeneinheit zur Formung versiegelter Verpackungen für gießbare Lebensmittelprodukte
CN106458343B (zh) * 2014-06-10 2018-03-06 利乐拉瓦尔集团及财务有限公司 用于供给可倾倒食品的密封包装的供给单元
EP2955118A1 (de) * 2014-06-10 2015-12-16 Tetra Laval Holdings & Finance S.A. Zuführungseinheit zum Zuführen versiegelter Verpackungen von gießbaren Lebensmittelprodukten
WO2015189038A1 (en) * 2014-06-10 2015-12-17 Tetra Laval Holdings & Finance S.A. Feeding unit for feeding sealed packs of pourable food products
RU2671468C2 (ru) * 2014-06-10 2018-10-31 Тетра Лаваль Холдингз Энд Файнэнс С.А. Подающий узел для подачи запечатанных упаковок текучих пищевых продуктов
US10087008B2 (en) 2014-06-10 2018-10-02 Tetra Laval Holdings & Finance S.A. Feeding unit for feeding sealed packs of pourable food products
CN106458343A (zh) * 2014-06-10 2017-02-22 利乐拉瓦尔集团及财务有限公司 用于供给可倾倒食品的密封包装的供给单元
CN106470903A (zh) * 2014-10-13 2017-03-01 利乐拉瓦尔集团及财务有限公司 用于馈送可倾倒食品的密封包装的进给单元
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US10093484B2 (en) 2014-10-13 2018-10-09 Tetra Laval Holdings & Finance S.A. Feeding unit for feeding sealed packs of pourable food products
WO2016058755A1 (en) * 2014-10-13 2016-04-21 Tetra Laval Holdings & Finance S.A. Feeding unit for feeding sealed packs of pourable food products
CN106470903B (zh) * 2014-10-13 2018-05-08 利乐拉瓦尔集团及财务有限公司 用于馈送可倾倒食品的密封包装的进给单元
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US11745903B2 (en) 2016-04-04 2023-09-05 Sig Technology Ag Device and method for the shaping of gable surfaces of packages with a slanted gable
WO2017174318A1 (de) 2016-04-04 2017-10-12 Sig Technology Ag Vorrichtung und verfahren zum formen der giebelflächen von verpackungen mit schrägem giebel
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CN114502472A (zh) * 2019-10-07 2022-05-13 利乐拉瓦尔集团及财务有限公司 将含可倾倒产品的密封半成品包送入折叠单元的进料单元
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WO2024083646A1 (en) * 2022-10-18 2024-04-25 Tetra Laval Holdings & Finance S.A. Folding apparatus and packaging machine having a folding apparatus
WO2024083644A1 (en) * 2022-10-18 2024-04-25 Tetra Laval Holdings & Finance S.A. Folding apparatus and packaging machine having a folding apparatus
WO2024083645A1 (en) * 2022-10-18 2024-04-25 Tetra Laval Holdings & Finance S.A. Infeed conveyor for a folding apparatus, folding apparatus having an infeed conveyor and packaging machine having a folding apparatus

Also Published As

Publication number Publication date
AU545937B2 (en) 1985-08-08
DE3271322D1 (en) 1986-07-03
FI71283B (fi) 1986-09-09
DK154409B (da) 1988-11-14
NO156934B (no) 1987-09-14
ATE20013T1 (de) 1986-06-15
SE8101974L (sv) 1982-09-28
DK154409C (da) 1989-06-19
JPH044210B2 (de) 1992-01-27
FI821079L (fi) 1982-09-28
NO820998L (no) 1982-09-28
AU8196582A (en) 1982-09-30
FI71283C (fi) 1986-12-19
CA1187056A (en) 1985-05-14
FI821079A0 (fi) 1982-03-26
NO156934C (no) 1987-12-23
EP0061663A3 (en) 1983-01-26
EP0061663B1 (de) 1986-05-28
SE436272B (sv) 1984-11-26
DK133382A (da) 1982-09-28
JPS57175538A (en) 1982-10-28

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