EP0697339B1 - Method and device for manufacturing a display package and the correspondingly manufactured display package - Google Patents

Abstract

The display packing mfr. process is for a packing consisting of a tray-like display part and a hood-like cover part fitting into it and releasably connected to it by gluing points and a tear-off tab. The packing is made in a device with a shaft (33) to receive the flat-stacked cover parts and another shaft (34) for the display parts. There are devices (39,40; 41,42) serving the shafts to remove the folded parts out of the shafts and to straighten them up to form rectangular shells (28,29). There is a pusher (35) to fit the shells to each other. The device used includes a jet (36) to supply glue to stick the parts to each other.

Description

The invention relates to a method and an apparatus for Production of a display packaging, consisting of a tray-like display part and a hood-like cover, which over a on a longitudinal or Tear tab arranged on the side wall of the display part are interconnected, and the display packaging by plugging together the tray-like display part and of the hood-like cover part is obtained. Furthermore concerns the present invention one after this Process manufactured Display packaging.

Display packaging consisting of a tray or tray-like display part and an associated hood-like Cover part, which is on the bottom inside the display part placed and releasably connected to this with tear-off tabs are generally known. The cover is for transport firmly connected to the display part, preferably via adhesive points arranged on the tear-off tab mentioned. For the presentation of the packaged goods, the glue points released by removing the tear-off tabs and the cover part removed from the display part. What remains for the presentation of the Goods the display part together with the goods, whereby the packaging is so that after removing the cover part, the goods in the specified Way is presentable. The tray-like display part consists of usually from longitudinal and side walls and a through the longitudinal and side walls arranged folding tabs formed Ground. In a very similar way it is hood-like Cover part with longitudinal and side walls and a top wall provided by on the longitudinal and side walls arranged folding flaps can be produced.

From US-A-3 640 190 is a similar in construction, by plugging into one another two parts, the packaging is known, the distance between the both parts can be changed depending on the size of the packaged goods. In DE-U-90 13 227 there is one comparable display packaging with tear-off tabs described in their Glue area is introduced. FR-A-2 193 738 is a packaging known with a tear-off tab, through the opening of which glue is introduced.

The aim of the present invention is a simple Procedure as well as a correspondingly simple and therefore Functionally reliable device for producing a display packaging of the type mentioned. Furthermore, it is Task, a particularly manufacturing-friendly display packaging to provide.

In terms of process engineering, this task is carried out by the Features of claim 1, device technology by the features of Claim 3 and packaging technology by Features of claim 12 solved.

The main idea of the present invention is that Display packaging of the type in question here from extreme simply designed parts can be produced, namely parts, which are generally available in bulk. The individual parts, namely display part and cover part each made from approximately rectangular blanks each of which has a long side bottom or top flap are arranged, which are also each rectangular. The blanks are joined together along a side edge glued so that rectangular sleeves can be produced, at their one end face the folding tab to produce a Bottom of the display part or a top wall of the cover part are located. Corresponding to the simplicity of the packaging parts are also the method and the device for manufacturing display packaging simple and reliable. The two parts from which the display packaging according to the invention can be folded flat to be provided. The transport of the packaging parts to Packaging manufacturing location and the place of filling can be designed accordingly inexpensively. The same applies to the storage of the packaging parts. In the Manufacturing is only important to ensure that the packaging part with smaller cross-sectional dimensions in the packaging part is spent with larger cross-sectional dimensions, whereby the part with smaller cross-sectional dimensions is preferred is the moving part for this purpose. So that can Collisions of the packaging parts when inserted into one another the same can be safely avoided.

Fig. 1

eine erste Verfahrensstufe zur Herstellung einer erfindungsgemäßen Display-Verpackung nach Aufrichtung von jeweils flach zusammengefalteten Verpackungsteilen in ineinandersteckbare Rechteckhülsen;

Fig. 2

eine weitere Verfahrensstufe zur Herstellung einer Display-Verpackung aus den Teilen gemäß Fig. 1;

Fig. 3

eine verfahrensgemaß hergestellte Display-Verpackung vor der Befüllung;

Fig. 4

eine Vorrichtung zur Herstellung einer Display-Verpackung gemäß dem Verfahren nach den Fig. 1 bis 3 in schematischer Seitenansicht;

Fig. 5

einen Teil der Vorrichtung gemäß Fig. 4 in Vorderansicht;

Fig. 6

das Vorrichtungsteil gemäß Fig. 5 in Draufsicht; und

Fig. 7

eine erfindungsgemäß ausgebildete Display-Verpackung, deren haubenartiges Abdeckteil nur angedeutet ist.

An exemplary embodiment of a method according to the invention, a device according to the invention and a packaging according to the invention are explained in more detail below with reference to the attached drawing. Show it:

Fig. 1

a first process stage for the production of a display packaging according to the invention after erection of each flat-folded packaging parts into rectangular sleeves which can be plugged into one another;

Fig. 2

a further process step for producing a display packaging from the parts according to FIG. 1;

Fig. 3

a display packaging manufactured according to the process before filling;

Fig. 4

an apparatus for producing a display packaging according to the method of Figures 1 to 3 in a schematic side view.

Fig. 5

a part of the device of Figure 4 in front view.

Fig. 6

the device part of Figure 5 in plan view. and

Fig. 7

an inventive display packaging, the hood-like cover is only indicated.

As already explained at the beginning, this is about Production of a so-called display packaging, the is preferably constructed as shown in Fig. 7. Accordingly, such display packaging consists of a shell or tray-like display part 10 with longitudinal and Side walls 11, 12 and one through on the longitudinal and Folded flaps 13, 14, 15, 16 arranged on the side walls Floor 17 (see Figs. 1 and 3). Furthermore there is Display packaging from a hood-like cover part 18, which is shown in dashed lines in Fig. 7. This Cover part 18 also has longitudinal and side walls 19, 20 as well as one arranged on the longitudinal and side walls Folding tabs 21, 22 formed top wall 23. As in FIG. 7 can be seen particularly well is the cover part 18 placed on the bottom inside the display part 10 and with this over on the side walls 12 of the display part 10 arranged tear-off tabs 24 releasably connected. Between the Tear tab 24 and the associated side wall 20 of the hood-like cover part 18 an adhesive point is provided, which is released when the tear-off tab 24 is removed. Then can the hood-like cover part 18 is removed from the display part 10, namely be pulled out of this under appropriate Presentation of goods 25 in the display part 10. Die Tear-off tabs 24 are with the side walls 12 of the Display part 10 over predetermined breaking lines, in particular Stamped lines 26 connected so that they easily with two Fingers from the side walls 12 of the display part 10 under Dissolution of the mentioned glue point can be separated can.

In the area of approximately parallel to the bottom of the packaging extending breaking line between tear-off tab and assigned side wall of the display part is another Opening 27 provided, the function of which is explained below becomes.

1 to 3, a method for Production of a display packaging according to FIG. 7 explained become. As already explained, there is the one described Display packaging from a display part 10 and associated hood-like cover part 18. For producing the display packaging the above parts become display part 10 and cover part 18 are first folded flat provided. The parts provided in this way are then with the formation of sleeves, here rectangular sleeves 28, 29 erected, as shown in Fig. 1. The Rectangular sleeve 28 is used to manufacture the display part 10, while the rectangular sleeve 29, the hood-like cover part 18th Are defined. These sleeves 28, 29 are with their bottom or Cover flaps 13 - 16 and 21, 22 facing each other inserted into each other, as shown in Fig. 2. To For this purpose, the display part 10 is assigned Rectangular sleeve 28 held while the cover 18 assigned rectangular sleeve 29 in the direction of arrow 30 in the rectangular sleeve 28 is inserted until the bottom edge of the cover part or this assigned sleeve 29 at the level of the bottom of the display part or at the level of the articulation of the bottom flaps 13 - 16 to the Longitudinal and side walls of the display part 10 assigned Sleeve 28 lies. Shortly before reaching this final relative position between cover part 18 or its sleeve 29 and display part 10 or its sleeve 28 is by at least one Sidewall of the display part or its sleeve 28 formed Opening 27 through an adhesive between the display part and Cover part or their sleeves 28, 29 introduced. This The introduction is in FIG. 2 with the dash-dotted arrow 31 indicated. The glue brought in will be reached until the final relative position between the cover and Display part or their sleeves smeared between them, see above that a good adhesive bond between the cover and Display part or the sleeves 28, 29 is obtained.

Then, according to FIG. 3, the longitudinal and Side walls 11, 12 of the display part 10 or its sleeve 28 arranged folding tabs 13, 14, 15, 16 to form a Bottom 17 folded into the floor level. In this position the display packaging is ready to be filled with goods become. The filling is done through the still open side of the the cover part 18 assigned rectangular sleeve 29. Only after Filling the folding tabs 21, 22 are then folded under Formation of a top wall. The packaging is then closed.

The previously mentioned adhesive strip between the display part and Cover part is indicated in Fig. 3 with the reference number 32. This adhesive strip is only in the area the tear-off tab 24.

For collision-free insertion of the rectangular sleeves 28, 29 are the on the longitudinal and side walls 11, 12 of the Display part or the sleeve 28 assigned to it arranged folding tabs 13, 14, 15, 16 slightly outwards folded or spread to form a kind Insertion funnel for that assigned to the cover part Rectangular sleeve 29.

The device for producing a display packaging of the aforementioned type is characterized by a first shaft 33 for receiving and providing flat folded cover parts 18 or their sleeves 29, a second shaft 34 for receiving and providing flat folded display parts 10 or their sleeves 28, Devices assigned to the first and second chutes for removing the flat folded parts 28, 29 from the chutes 33, 34 and for erecting them with the formation of rectangular sleeves 28, 29 facing one another with their bottom tabs 13-16 or top tabs 21, 22 Cover part or its rectangular sleeve 29 associated slide 35 for inserting the sleeves 28, 19 until the edge of the sleeve 29 facing the slide or the slide is at the level of the bottom of the display part or its sleeve 28, and
a nozzle 36 assigned to the display part or its sleeve 28 for introducing adhesive between the display part and cover part or their sleeves. The nozzle 36 is directed towards the opening 27 described above.

The facilities mentioned for removing and erecting the flat folded cover and display parts or their Sleeves includes reciprocating, here up and down movable (double arrows 37, 38) suction elements 39, 40 on the one hand and stationary erection elements in the form of erection rods 41, 42 on the other hand, via which the first parts folded flat by means of the suction elements 39, 40 towed or towed with the correct erection 4 (in Fig. 4 when moving the from the shafts 33, 34th removed sleeves 29, 28 down). The support of the Rectangular sleeves 28, 29 parts erected on one the rail associated with the erecting elements 41, 42, here Double rail 43. In the direction parallel to this rail on the cover part or on the cover part defining rectangular sleeve 29 engaging slide 35 effective. The slide 35 has a rectangular shape Slider plate 44 with one in the cover part defining rectangular sleeve 29 immersing erection-holding element 45 on. Through this upright holding element 45 the cross-sectional shape of the erected sleeve 29 in the Maintain transfer to display sleeve 28 or stabilized.

The display part or its sleeve 28 is one Assigned conveyor in the form of a conveyor chain 46, which the nested sleeves 28, 29 for bottom folding the sleeve 28 and filling both sleeves from the area of the display part associated shaft 34 promotes.

The display part or its sleeve is a Upstream sleeve transfer gate 47 through which the the cover part 18 assigned rectangular sleeve 29 by means of this sleeve associated slide 35 slidable and into the rectangular sleeve 28 assigned to the display part 10 can be pushed in. In this regard, arrow 30 in 1, 2 and 4 referenced.

The sleeve transfer gate 47 has according to FIG. 5 and 6 two side hinged wing doors 49, 50 and one at the bottom hinged flap 48, which during transfer the sleeve 29 into the sleeve 28 through the sleeve 29 from a 5 or 6 out in the the Rectangular sleeve 28 assigned to the display part can be folded in, as indicated in Fig. 4. Folding the Double doors 49, 50 and flap 48 into the rectangular sleeve 28 takes place with a slight spreading on the sleeve 28 arranged bottom folding tabs 13 - 16 to the outside under Formation of an insertion funnel for the sleeve 29.

The wing doors 49, 50 and the flap 48 are opposite to the Effect of a torsion spring, not shown, from the 5 or 6 can be moved out into a sleeve transfer position corresponding to Fig. 4. The articulation of the wing doors 49, 50th and flap 48 on the rectangular frame of the Sleeve transfer gates 47 take place via hinge joints 51, 52, 53.

The upper edges 54, 55 of the two laterally articulated Double doors 49, 50 are in the direction from outside to inside each inclined downwards, with the outer articulated near Areas of both upper edges at a somewhat higher level lie as the articulation of the associated upper floor tab 15 on the rectangular sleeve 28 assigned to the display part 10, so that this bottom tab 15 when open Sleeve transfer gate 47 through the upper edges 54, 55 of the two wing doors 49, 50 is folded up slightly. This also ensures that the upper in Fig. 4 Bottom flap 15 assigned to the display part 10 Rectangular sleeve 28 part of the insertion funnel for the Cover part 18 is assigned to the rectangular sleeve 29. Cover part and display part each consist of cardboard or cardboard. In principle, plastic materials are also conceivable. Display and / or cover part can also have windows, which are sealed by transparent plastic films in order to Get insight into the inside of the packaging.

Basically, it is also conceivable to display the packaging here to create questionable type that is oval or about have a circular cross-section, that is not cuboid are formed, as shown in Fig. 7.

The above-mentioned suction elements 39, 40 are outdoors, here attached to the upper end of a piston rod, which is part of a hydraulic or pneumatic piston-cylinder unit represents. The same applies to the slide 35. There is also at the free end of a piston rod 57, the slide plate 44 fastened together with the upright holding element 45. The piston rod 57, which are also part of a hydraulic or pneumatic Piston-cylinder unit is in the direction of Double arrow 56 in Fig. 4 back and forth.

The conveyor chain 46 with corresponding drivers runs around Sprocket 58, which with a spline 59 in Active connection is established. The spline shaft 59 is via a pinion 60 and a drive chain 61 cooperating with it rotary driven. The drive chain 61 does not stand with one Drive motor shown, in particular electrical Stepper motor, in mechanical connection.

Reference list

10th

Display part

11

Longitudinal wall

12th

Side wall

13

Folding rag

14

Folding rag

15

Folding rag

16

Folding rag

17th

Bottom of the display part

18th

hood-like cover part

19th

Longitudinal wall

20th

Side wall

21

Folding rag

22

Folding rag

23

Cover wall of the cover part

24th

Tear-off tab

25th

Goods, e.g. chocolate bars

26

Breaking line

27

Adhesive opening

28

Rectangular sleeve (display part)

29

Rectangular sleeve (cover part)

30th

arrow

31

arrow

32

Adhesive tape

33

first shaft

34

second shaft

35

Slider

36

Glue nozzle

37

Double arrow

38

Double arrow

39

Suction elements

40

Suction elements

41

Raising bar

42

Raising bar

43

(Double) rail

44

Slide plate

45

Upright holding element

46

Conveyor chain with drivers

47

Sleeve transfer gate

48

flap

49

Double door

50

Double door

51

Hinge joint

52

Hinge joint

53

Hinge joint

54

Top edge

55

Top edge

56

Double arrow

57

Piston rod

58

Sprocket

59

Spline

60

pinion

61

Drive chain

Claims (12)

1. Process for manufacturing a display package, comprising a traylike display part (10) and a hoodlike covering part (18) which are joined together via a tear-off flap (14) configured on a longitudinal or lateral wall (11, 12) of the display part (10), and in which the display package is obtained by pushing the traylike display part (10) and the hoodlike covering part (18) together,

   and display and covering part (10, 18) are prepared as flat folded sleeves which have after having been erected a specified, preferably rectangular cross-sectional shape,

   and the sleeveshaped display part (10) has, for the purpose of establishing a bottom (17), on one side of the sleeve of the display part (10) folding webs (13, 14, 15, 16), and the covering part has, for the purpose of establishing a top wall (23), on one side of the sleeve of the covering part (18) folding webs (21, 22),

   and the display part (10) and the covering part (18) are as sleeves from their sides which are respectively facing towards the folding webs (13, 14, 15, 16, 21, 22) pushed into each other in such a manner that the front edge of the covering part (18), as seen in the direction of insertion, abuts at the bottom (17) of display part (10) and a final relative position between the covering part (18) and the display part (10) is obtained,

   and just prior to arriving at this final relative position, an adhesive is applied between display part (10) and covering part (18) via an adhesive aperture (27) formed on at least the side wall and/or a longitudinal wall (12, 11) of the display part (10) in such a manner that it is located in the area of the tear-off flap (24);

   and the folding webs (13 - 16) arranged on the longitudinal and lateral walls (11, 12) of the display part (10) are then folded into the bottom plane whilst establishing the bottom (17).
2. Process according to Claim 1, characterised in that the folding webs (13 - 16) configured on the longitudinal and lateral walls (11, 12) of the display part (10) are slightly tipped outwards or spread whilst forming a type of feed funnel so as to allow collision-free insertion of the sleeves (28, 29) into each other.
3. Device for manufacturing a display package according to the process of Claim 1, and the display package is composed of a traylike display part (10) and a hoodlike covering part (18) which are joined together via a tear-off flap (24) configured on a longitudinal or lateral wall (11, 12) of the display part (10) and obtained by pushing together the traylike display part (10) and the hoodlike covering part (18), characterised by

   a first shaft (33) for accommodating and making available flat folded covering parts (18);

   a second shaft (34) for accommodating and making available flat folded display parts (10);

   devices (39, 40; 41, 42) associated with the first and second shaft for removal of flat folded parts from the shafts (33, 34) and for erection of said parts whilst forming sleeves, in particular rectangular sleeves (28, 29), which are oriented towards each other with their folding webs (13 - 16; 21, 22);

   a slide (35) associated with the covering part (18) and/or display part (10) for pushing the sleeves into each other until the bottom edge or the edge which is oriented towards the slide (35) of the sleeve (29) which defines the covering part (18) lies at the level of the bottom (17) of the display part (10) or at the level of application of the folding webs (13 - 16) on the longitudinal and side walls (11, 12) of the sleeve (28) which is associated with the display part (10); and

   a nozzle (36) which is associated with the display part (10) for delivering adhesive between display part and covering part (28, 29) in the area of the tearoff flap (24).
4. Device according to Claim 3, characterised in that the devices for removal and erection of the flat folded cover and display parts include, on the one hand, suction elements (39, 40) which can be moved to and fro and, on the other hand, stationary erecting elements in the form of erecting rails, bars (41, 42) or the like, over which the initially flat folded parts are pulled or dragged by means of the suction elements (39, 40) whilst being respectively erected.
5. Device according to Claim 3 or 4, characterised in that the parts of the package which have been erected into sleeves (28, 29) are supported on a rail (43) which is associated with the erecting elements (41, 42), and the slide (35) which engages the covering part (18) acts in the direction parallel to said rail on the covering part (18) or its sleeve (29) (double arrow 56).
6. Device according to one of Claims 3 to 5, characterised in that the slide (35) comprises a rectangular slide plate (44) with an erecting support element (45) which dips into the sleeve (29) which is associated with the covering part (18).
7. Device according to one of Claims 3 to 5, characterised in that the display part (10) is associated with a conveying mechanism, in particular a conveyer chain (46), which conveys the pushed together sleeves (28, 29) from covering part and display part for the purpose of folding the bottom and filling from the area of the shaft (34) which is associated with the display part (10).
8. Device according to one of Claims 3 to 7, characterised in that ahead of the sleeve (28), which is associated with the display part (10), lies a sleeve transfer gate (47) through which the sleeve (29), which is associated with the covering part (10), is pushed through by means of its associated slide (35) and moved into the sleeve (28), which is associated with the display part (10).
9. Device according to Claim 8, characterised in that the sleeve transfer gate (47) comprises two laterally hinged-on wing doors (49, 50) as well as a flap (48), which are hinged onto the lower edge and during the sleeve transfer process tipped by the sleeve (29), which is associated with the covering part (18), from a closed position into the sleeve (28), which is associated with the display part, whilst slightly spreading the folding webs (13 - 16), which are configured on this sleeve, in the manner of a feed funnel.
10. Device according to Claim 9, characterised in that the wing doors (49, 50), which are hinged onto the sleeve transfer gate (47) and the flap (48) can be moved outward from a shut position against the force of a torsional spring or the like.
11. Device according to Claim 9 or 10, characterised in that the top edges (54, 55) of the two laterally hinged-on wing doors (49, 50) are respectively downwardly slanted in the direction from the outside to the inside, and the outer areas of both top edges near the hinge points are at a somewhat higher level than the hinge points of the associated upper folding web (15) at the sleeve (28) which is part of the display part (10), so that this folding web (15) is tipped slightly outward or upwards by the top edges (54, 55) of the two wing doors (49, 50) whilst the sleeve transfer gate (47) is open.
12. Display package, manufactured by the process according to Claim 1, characterised in that display part and covering part (10, 18) are respectively made of an approximately rectangular pattern of cardboard or the like with rectangular bottom webs or covering webs, and an adhesive aperture (27) is positioned on at least one longitudinal or lateral wall (11, 12) of the display part (10) in the area of a thereat prepared tear-off flap (24), in particular in the area of a separating line of the tear-off flap (24) extending approximately parallel to the bottom (17) of the display part (10).

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