CA1325127C - Apparatus for producing packs with bevelled or rounded longitudinal edges - Google Patents
Apparatus for producing packs with bevelled or rounded longitudinal edgesInfo
- Publication number
- CA1325127C CA1325127C CA000616359A CA616359A CA1325127C CA 1325127 C CA1325127 C CA 1325127C CA 000616359 A CA000616359 A CA 000616359A CA 616359 A CA616359 A CA 616359A CA 1325127 C CA1325127 C CA 1325127C
- Authority
- CA
- Canada
- Prior art keywords
- blank
- folding
- lid
- region
- 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.)
- Expired - Fee Related
Links
Abstract
Abstract (in combination with Figure 6) In the apparatus used for producing cuboid (ciga-rette) packs of the hinge-lid type having bevelled or rounded longitudinal edges (37,38,39,40) the blank is brought into an angular intermediate folding position thereby erecting the side tabs and forming the bevelled or rounded longitudinal edges. For this purpose, the blank is pressed, by means of a shaping punch (58) with punch plate (59), into a pocket (47) of a folding turret (46), the blank parts being folded, thereby forming the bevelled longitudinal edges, by means of stationary or movable folding tools.
Description
132~127 This application is a division of ~pplication No. 510,377 filed May 30, 1986.
Description .
The invention relates to a process for producing S essentially cuboid packs, especially cigarette packs of the hinge-lid type, from a blank having regions at least for the front wall, rear wall, side tabs for side wal~s and bottom wall. The invention also relates to an appa-ratus for carrying out the process.
A considerable number of the cigarette packs on the international market are designed as hinge-lid packs.
In the standard design, a pack part consists of front wall, rear wall, side walls and bottom wall. A hinge lid consisting of lid rear wall, lid top wall, lid front wall and lid side walls is hinged to the rear wall. The lid side walls are formed from lid side tabs arranged on the lid rear wall and lid front wall.
The invention is concerned with a development in the design of this type of pack and of other packs. Its particular feature is that selected edges which are right-angled on known packs, in particular longitudinal edges, are bevelled (polygonal) or rounded. The dimensions of the bevel or rounding are appropriately matched with the diameter of the cigarettes.
The object on which the invention is based is, therefore, to provide a process and an apparatus for pro-ducing packs with bevelled or rounded (longitudinal) edges.
To achieve this object, the process according to the invention consists in that, to form a pack with beveLled or rounded (longitudinal) edges, the front wall together with the bottom wall, as well as the side .
tabs arranged on the rear wall are simuLtaneously folded into an upright Position relative to the rear wall, there-by forming the rear bevelled or rounded longitudinal , edges, that the side tabs arranged on the front wall are thereafter folded into a position which is transverse relative to the front wall, likewise thereby forming the bevelled or rounded front longitudinal edges and that finally folding of the pack is completed after the ~` latter has been filled.
1û The rear longitudinal edges, i.e. the longitudi-nal edges facing the rear wall, on the one hand and the front longitudinal edges on the other hand are thus fol-ded, according to the invention, into their positions in consecutive folding steps, at the same time forming the ; 15 bevel or rounding. During the first folding step the blank is brought into an angular intermediate folding position in a pocket of a folding turret, at the same time erecting the side tabs in the region of the rear wall and lid rear wall and forming the rear bevelled or roun-ded longitudinal edges as a result of appropriately de-; signed folding and shaPing tools. The blank regions forming the lid form an extension of a horizontal blank ~eg. According to the invention, the lid side tabs in the region of the lid front wall are likewise folded into their upright position during a seParate working step, inparticular at the same time as the side tabs of the front wall, thereby forming bevelled or rounded (longitudinal) edges.
Further folding steps are then carried out in the same station, in particular an inner tab arranged on the radially outer end of the horizontal blank ~eg is folded into its position on the inside of the lid front wall.
the lid side tabs which are initially formed into an up-right position, thereby forming the bevelled or rounded edges, are then brought back into an approximately horizontal initial position before the b~ank, which has been prefolded to this extent, is brought into a dif-ferent folding position (advancing the folding turret).
The apparatus according to the invention is 132~127 derived from that of German Offenlegungsschrift 2,44û,006.
The stations for filling and completing the pack in par-ticular can be designed in the manner described in the abovementioned Offenlegungsschrift.
S According to this, a plate-shaped folding turret which is rotatable about a verticaL axis, and has pockets open at the top and at the radially outer side for re-ceiving one blank each time, is provided. The blanks are supplied in a flat state along a blank-conveying track above a first fold;ng station and, by means of a down-ward movement of a shaping punch, are inserted into t~he pocket of the folding turret. The pocket on the one hand and the shaping punch and/or punch plate on the other hand are designed, i.e. profiled, in such a way that by pressing the blank or the horizontal blank leg against the bottom of the pocket the side tabs are erected and at the same time the bevelled or rounded longitudinal edges in this region are formed.
The appropriate shaping of the side tabs arranged on the front wall takes pLace in the region of the same folding station by a folding member which can be moved horizontally to and fro, interacts with an upright leg of the punch plate and likewise forms the bevelled or rounded longitudinal edges while the side tabs are : 25 simultaneously being erected.
Further special features of the apparatus relate to folding tools for shaping the lid side tabs arranged on the lid front wall and for the inner tab likewise arranged on the hinge lid, in each case in the region of the same, first foLding station of the folding turret.
The apparatus is particularly suitable for pro-ducing hinge-lid packs having bevelled longitudinal edges, but is also suitable for other pack types, e.g.
cup-shaped packs, likewise having bevelled or rounded longitudinal edges.
An exemplary embodiment of a hinge-lid pack hav-ing bevelled longitudinal edges and an exemPlary embodi-; ment of an apparatus for producing packs of this type are explained below with reference to the drawings:
~;
4 _ 132~127 Figure 1 shows a blank for a hinge-lid pack with bevelled longitudinal edges in an angular intermediate folding position, figure 2 shows a section II-II in Figure 1, S Figure 3 shows a detail of the apparatus, in par-ticular a folding turret in the region of a first folding station, in plan, Figure 4 shows a detail of the folding turret with folding tools in the region of the first folding station, likewise in plan, Figure S shows a radiaL section through the fold-ing turret in the region of the first folding station, Figure 6 shows a further radial section in the - region of the first folding station with the relative position of the folding tools changed, Figure 7 shows a cross-section through a pocket - in the folding turret in the sectional plane VII-VII of Figure 4, Figure 8 shows a corresponding cross-section in the sectional plane VIII-VIII of Figure 4, Figure 9 shows a further cross-section in the sectional plane IX-IX of Figure 4, Figure 10 shows a cut-out of the folding turret or a pocket of the turret with further folding members, in Plan.
The blank 20 shown in an intermediate folding position in Figures 1 and 2 is intended for a (cigarette) pack of the hinge-lid type. For this purpose, regions are defined within the blank for forming front wall 21, bottom wall 22 and rear wall 23. Side tabs 24 are ar-ranged on the front wall 21 and further side tabs 25 are arranged on the rear wall 23, which, while partially overlapping, form narrow side walls of the essentialLy cuboid pack. Bottom corner tabs 26 are arranged on the lower ends of the side tabs 25 and, in the finished `` pack, are foLded against the inside of the bottom wall 22. The blank parts described to this extent form a part 27 of the pack.
The rear wal~ 23 is adjoined by a hinge l-d 29 ~ _ 5 _ 1325127 via a hinge 28. This hinge-lid consists of the lid rear wall 30, lid top wall 31 and lid front wall 32 blank parts.
The lid rear wall 30 and lid front wall 32 are each ad-joined on the sides by lid side tabs 33 and 34 for forming the lid side walls as a continuation or extension of the side walls of the pack part 27. Furthermore, in each case a lid corner tab 35 which is folded against the inside of the lid top wall 31 is attached as a continuation of the lid side tabs 33. An inner tab 36 arranged at the end of the blank, in particular at the free side of the lid front wall 32 is folded against the inside of the lid front wall 32 and is used to reinforce the latter.
In the present pack the (upright) longitudinal edges 37 and 38 thereof are designed in a specia~ way.
The longitudinal edges 37 and 38 of the pack part 27 as well as the lid longitudinal edges 39 and 40 are designed as a bevel or bevelled edge. The pack is thereby given an altogether octagonal cross-section. Each of the longi-tudinal edges 37 to 40 consists of two individual edges 41 and 42, between which a blank strip 43 of limited width extends diagonally. The angles included in the region of the individual edges 41, 42 are equally large.
The width of the blank strip 43 is matched with the dia-meter of a cigarette so that the latter can adapt, in a space-saving manner, to the contour of the blank in the region of the longitudinal edges 37 to 40.
The bottom wall Z2 and lid top wall 31 are matched to the above-described pack design, specifically each has a octagonal plan.
When producing a hinge-lid pack from a blank of the design described, the procedure adopted is one in ; which, in a first working or folding cycle, the blank is brought into an angular position (Figure 1). A horizon-tally oriented blank leg 44 is essentially formed by the rear wall 23 with the adjoining side tabs 25 and by the - blank parts for the hinge lid 29. An upright blank leg 45 consists of the bottom wall 2Z, front wall Z1, and the adjoining side tabs 24. In this first common folding cycle the bottom corner tabs Z6 are brought into their - 6 _ 132~127 position (up against the inside of the bottom wall 22).
Moreover, the side tabs 25 and the lid side tabs 33 are erected, thereby specifically forming the bevelLed longi-tudinal edges 38 and 39 in this blank region.
S In the subsequent folding cycle the side tabs 24 are folded, thereby forming the bevelled longitudinal edges 37, into a position transverse relative to the terected) front wall 21. Furthermore the lid side tabs 34 connected with the lid front wall 32 are erected simultaneously forming the lid longitudinal edges 40.
The next folding step consists in folding the inner tab 36, which has already been brought into an oblique position, against the inside of the lid front wall 32. At the same time the previously erected lid side tabs 34 are moved back into an approximately hori-zontal initial position. The blank prefolded to this extent is thus open at the top and on the radially outer side (region of the hinge lid 29) so that the pack con-tent ~cigarette block) can be inserted into the blank in the radial direction.
The apparatus for car;ying out the foldings des-cribed corresponds in its design largely to that accord-ing to German Offenlegungsschrift 2,440,006. This applies in particular to the stations for filling and completing the pack.
The essentia~ element of the apparatus is a fold-ing turret 46 having a plurality of pockets 47 arranged along the periphery and each intended for receiving a blank 2û. The folding turret 46 is designed as a flat plate and is rotatable about an upright axis (clockwise).
In the region of a first folding station A the flat blanks 20 are fed to the folding turret 46. For this purpose, there extends above the folding turret 46 in the region of the folding station A a blank-conveying track 48 pointed oblicluely downwards in the conveying - direction. Between a top guide 49 and a bottom guide 50 the blank 20 is supplied by conveying rollers 51 up to - an end position in an exact relative position above a pocket 47 in the region of the folding station A. In the 132~127 end position the blank 20 with the front end (inner tab 36~ comes to rest against a stop piece 52. The bLank 20 is laterally aligned in this position by means of a side alignment member 54 which can be moved to and fro in the transverse direction and is moved up laterally against the blank 20 so that the latter becomes aligned in the blank-conveying track 48 on the opposite side (see Figure 7).
After positioning the blank 20 or at the same time as this positioning, the bottom corner tabs 26 are preformed or prefolded by angling or erecting the latter.
For this purpose there is located in the region of the blank-conveying track 48 a corner tab folder 53 so as to be displaceabLe in parallel, in particular on the parallel lever 55. The C-shaped corner tab folder 53 is equipped with folding fingers 56, 57 which project from the sides into the region of the two bottom corner tabs 26. Up-ward movement or transverse movement relative to the blank 20 (Figure 6) results in the bottom corner tabs 26 being erected, and thus prefolded, by the folding fingers 56, 57.
The blank 20 is now inserted into the pocket 47 of the folding turret 46 by means of a downward movement, in particular by means of a shaping punch 58 having a punch plate 59, which can be moved up and down. In the present case, the shaping punch 58 is attached to an ang-led or arc-shaped pressure lever 60 which is pivotably mounted and effects movement of the shaping punch 58 along the orbit 61.
The punch plate 59 of the shaping punch 58 is dimensioned so that rear wall 23, lid rear wall 30, lid top wall 31 and lid front wall 32 are covered. The di-mensions of the pocket 47 are such that rear wall 23 as well as lid rear wall 30 are pressed against a pocket bottom 62 by means of the punch plates 59.
The designs of the punch plate 59 and pocket bot-tom 62 are matched with one another As can be seen, - for e~ample, from Figure 7 the punch plate 59 is designed with a polygonal cross-section, in particular with outer 132~127 corners 63 and 64 for forming the individual edges 41 and 42 in the region of the rear longitudinal edges 38 and 39 when pressing the corresponding blank parts into the pocket 47. Accordingly, the pocket 47, which is of dish-S shaped cross-section, is provided, in the region of the transition betwern the pocket bottom 62 and the pocket side walls 65, with inner corners 66, 67 opposite the outer corners 63 and 64. Thus, the punch plate 59 and pocket 47 bear the same relation to one another as the male mold to the female mold.
ln the present exemplary embodiment the shaping surfaces, facing each other, of the pocket side walls 65 on the one hand and of the punch side surfaces 68 on the other hand are arranged obliquely, in particular diverg-ing upwards. The blank 20 and the side tabs 25 and lidside tabs 33, respectively, are thereby brought into an intermediate folding position diverging upwards (Figure 7).
Pocket 47 and punch plate 59 are designed uith a - 20 cross-section which changes across their length. In the region of the lid rear wall 30 the cross-section of poc-ket 47 and punch plate 59 corresponds roughly to the re-presentation according to Figure 9, that is to say with ;~ an upright inner side of the pocket side wall 65 and cor-respondingly upright outer surfaces of the punch plate 59. As a result, the lid side tabs 33 are folded into a vertical position in the region of the lid rear wall 30, that is to say with a small angular offset relative to the side tabs Z5 in the region of the rear wall 23. This results in a bevelled edge 69 formed between the side tabs 25 on the one hand and 33 on the other hand being exposed so that a holding member for fixing the blank in the pocket 47 can come to rest against this bevelled edge 69.
The pocket 47 terminates approximately in the region of the transition between the lid rear wall 30 and the lid top wall 31. The latter is exposed outside the pocket 47. There is also no limitation for the lid cor-ner tabs 35 on the sides, since the latter are automatically -132~127 erected together with the lid side tabs 33.
Fo~ding the lid side tabs 34 arranged on the Lid front wall 32 as well as shaping the lid longitudinal edges 40 which extend at this point - outside the folding turret 46 or the pocket 47 - is carried out by separate folding tools which are fixed in the region of the fold-ing station A. A side tab folder 70 can be supplied from below and effects, because of its design and together with a counter-tool, the folding of the lid side tabs 34 including the lid longitudinal edges 40 Viewed in the radial direction the side tab folder 70 is designed fork-shaped (Figure 9). Lateral folding tappets 71 and 72 are designed with obliquely directed folding surfaces 73 and upright folding surfaces 74 for erecting the lid side tabs 34 and forming the individual edges 41, 42 in this region. The side tab folder 70 is attached to a central - ram 75 which can be moved up and down in a guide 76.
The counter folding member, which acts on the in-side relative to the blank 20, used in the region of the lid front wall 32 is the appropriately dimensioned and designed punch plate 59. The latter is of reduced cross-section in the region of the lid top wall 31 but rests on top of the latter. ln the region of the lid front wall 32 the punch plate 59 projecting from the pocket 47 is provided with a head piece 77 which has the cross-section shown in figure 9, that is to say has vertical side surfaces and outer corners 63 and 64 which corres-pond to the corners formed by the folding surfaces 73 and 74 of the side tab folder 70 so that, in cooperation with the side tab foldef 70, the lid longitudinal edges can be formed.
The blank 20 is fixed in the pocket 47 by means of lateral blank holders 78 which are pivotab~y attached, `~ as two-armed levers, next to each pocket 47, in a bearing 79 on the folding turret 46. The free end of the blank holder 78 is mounted, by appropriate design, below the folding turret 46 or the pocket bottom 62 and provided with a guide roller 80 which, to control the movements, 132~127 ~o runs on a cam disk 81 located below the folding turret 46 in the region of the folding station A. Tension springs 82 which pivot the blank holders 78 into the holding position take effect outside the region of the cam disk 81.
In this holding position a holding lug 83 located on the radially outer end of the blank holder 78 comes to rest against the: bevelled edge 69 of the side tabs 25 and in this way fixes the blank against radial movements. A
top holder 84 likewise arranged on the blank holder 78 bears against a top edge of the side tabs 25 and thus prevents upward movements. Finally there is provided a transverse ram 85 which likewise comes to rest against the side tabs 25 and holds the latter in the prescribed position.
A cam disk analogous to the cam disk 81 is also arranged in the region of an ejection station of the fold-, ing turret for opening the pockets.
` The punch plate 59 of the shaping punch 58 is of angular design when viewed in the radial direction. Anupright pressing leg 86 arranged on the inner edge is used for erecting the upright blank leg 45 in cooperation with an upright counter-wall on the inside of the pocket 47. The latter has a markedly lower height than the up-right blank leg 45 and extends only over a part regionof the width of the front wall 21 (Figure 4). On the other hand the pressing leg 86 extends essentially over the entire height of the front wall 21.
The side tabs 24 arranged on the front wall 21 are folded by a separate folding member, in particular a - side tab former 88. The latter can be moved from a re-tracted position (Figure 6, Figure 10) with folding legs 89 arranged in the shape of a fork up to the upright blank leg 45 until it comes to rest against the counter wall 87 (in the central region). The folding legs 89 which have a profile analogous to the side tab folder 70, that is to say have oblique folding surfaces 90, result in the side tabs 24 being folded into a position trans-verse relative to the front wall 21, thereby specifically : ~, "
simultaneously forming of the bevelled longitudinal edges 37. ~y means of a transverse actuating arm 91 the side tab former 88 is moved in the radial direction. The counter-tool used is the pressing leg 86 which extends on the opposite side of the front waLl 21 and is provided with a corresponding profile for forming the bevelled longitudinal edges 37.
~ hen inserting the blank 20 into the pocket 47 in the region of the folding station A blank regions are preshaped or prefolded. The bottom guide Sû of the blank-conveying track 48 is directed, by a dounuard-directed oblique guide leg 92, touards the pocket 47 and termin-ates directly above the counter-wall 87 of the latter-.
Moreover, converging guide walls 93 are arranged on both sides of the pocket 47. These guide walls effect erect-ing of the side tabs of the blank during the downuard movement executed by the shaping punch 58. The guide walls 93 form a constructional unit with the blank-con-veying track 48.
The inner tab 36 located on the outer end of the blank 20 is likewise preshaped during the downward move-ment. The stop piece 52 at the end of the blank-convey-ing track 48 is provided at the bottom with an arc-shaped guide extension 105. The latter is shaPed such that the inner tab sliding along this guide extension 105 is erec-ted and fixed in this position in the pocket 47 also (Figure 5).
Folding the inner tab 36 against the top side of the lid front wall 32 is likewise carried out in the re-gion of the folding station A. A folding and pressinglever is movable as a two-armed lever about a fixed pivot bearing 95 so that, by pivoting the folding and pressing lever 94 from the top position shoun in Figure 1 into the position shown with dash-and-dot lines or into the posi-tion according to Figure 6 the inner tab 36 is foldedfrom the erected position until it comes to rest against the lid front wall 32 and is pressed against the latter.
For this purpose, the end of the folding and pressing lever 94 is provided with a pressing head 96 which grips - 12 - I 3 2 ~ I 27 and presses the inner tab 36. As can be seen from Figure 3 the folding and pressing lever 94 consists of two struts 97 and 98 which are arranged at a distance from each other and on each end of which a pressing head 96 is formed.
Furthermore, laterally projecting pressure wings 99 are arranged on the ends of the folding and pressing lever 94 and the struts 97, 98. These pressure wings have the task, during the closing movement of the folding and pressing lever 94, that is to say while pressure is exerted on the inner tab 36, of folding the previously erected lid side tab 34 in the region of the lid front wall 32 downwards again, approximately back into the ~' initial position.
In the region of the above-described folding mem-bers, that is to say outside the region of the pocket 47, a fixed pressure member 100 forms the bottom counter-bearing for the folding members. The blank regions pro-jecting from the pocket 47 rest on the pressure member 100. This member extends over a relatively long region along the periphery of the folding turret 46, concentri-cally with the latter. In the region of the folding sta-tion A the pressure member 100 is provided with passage recesses 101 which permit passage of the folding tappets 71, 7Z of the side tab folder 70 from below.
Outside the region of the folding station A there is arranged at a small distance above the pressure member 100 a guide segment 102. This guide segment holds the folded back lid side tabs 34 in the flat position during the advance of the blank by rotation of the folding turret.
The folding and pressing lever 94 on the one hand and the pressure lever 60 on the other are coupled to one another via a gear. A steering lever 104 is interposed as a coupling member between the pressure lever 60, which is pivotable about the pivot bearing 103, and the folding and pressing lever 94. The connection is such that, - during an upward movement of the pressure lever 60 into the upper initial position shown, for example, in Figure 6, the folding and pressing lever 94 is at the same time ~ 13 - 132~127 pivoted into the fo~ding and pressing position. Corre-spondingly, the movement goes in the opposite direction during lowering of the pressure lever 60. The pivot bearing 95 for the folding and pressing lever 94 and the S pivot bearing 103 of the pressure lever 60 are arranged on a common support, in particular on a suPporting wall 106 of the machine.
Description .
The invention relates to a process for producing S essentially cuboid packs, especially cigarette packs of the hinge-lid type, from a blank having regions at least for the front wall, rear wall, side tabs for side wal~s and bottom wall. The invention also relates to an appa-ratus for carrying out the process.
A considerable number of the cigarette packs on the international market are designed as hinge-lid packs.
In the standard design, a pack part consists of front wall, rear wall, side walls and bottom wall. A hinge lid consisting of lid rear wall, lid top wall, lid front wall and lid side walls is hinged to the rear wall. The lid side walls are formed from lid side tabs arranged on the lid rear wall and lid front wall.
The invention is concerned with a development in the design of this type of pack and of other packs. Its particular feature is that selected edges which are right-angled on known packs, in particular longitudinal edges, are bevelled (polygonal) or rounded. The dimensions of the bevel or rounding are appropriately matched with the diameter of the cigarettes.
The object on which the invention is based is, therefore, to provide a process and an apparatus for pro-ducing packs with bevelled or rounded (longitudinal) edges.
To achieve this object, the process according to the invention consists in that, to form a pack with beveLled or rounded (longitudinal) edges, the front wall together with the bottom wall, as well as the side .
tabs arranged on the rear wall are simuLtaneously folded into an upright Position relative to the rear wall, there-by forming the rear bevelled or rounded longitudinal , edges, that the side tabs arranged on the front wall are thereafter folded into a position which is transverse relative to the front wall, likewise thereby forming the bevelled or rounded front longitudinal edges and that finally folding of the pack is completed after the ~` latter has been filled.
1û The rear longitudinal edges, i.e. the longitudi-nal edges facing the rear wall, on the one hand and the front longitudinal edges on the other hand are thus fol-ded, according to the invention, into their positions in consecutive folding steps, at the same time forming the ; 15 bevel or rounding. During the first folding step the blank is brought into an angular intermediate folding position in a pocket of a folding turret, at the same time erecting the side tabs in the region of the rear wall and lid rear wall and forming the rear bevelled or roun-ded longitudinal edges as a result of appropriately de-; signed folding and shaPing tools. The blank regions forming the lid form an extension of a horizontal blank ~eg. According to the invention, the lid side tabs in the region of the lid front wall are likewise folded into their upright position during a seParate working step, inparticular at the same time as the side tabs of the front wall, thereby forming bevelled or rounded (longitudinal) edges.
Further folding steps are then carried out in the same station, in particular an inner tab arranged on the radially outer end of the horizontal blank ~eg is folded into its position on the inside of the lid front wall.
the lid side tabs which are initially formed into an up-right position, thereby forming the bevelled or rounded edges, are then brought back into an approximately horizontal initial position before the b~ank, which has been prefolded to this extent, is brought into a dif-ferent folding position (advancing the folding turret).
The apparatus according to the invention is 132~127 derived from that of German Offenlegungsschrift 2,44û,006.
The stations for filling and completing the pack in par-ticular can be designed in the manner described in the abovementioned Offenlegungsschrift.
S According to this, a plate-shaped folding turret which is rotatable about a verticaL axis, and has pockets open at the top and at the radially outer side for re-ceiving one blank each time, is provided. The blanks are supplied in a flat state along a blank-conveying track above a first fold;ng station and, by means of a down-ward movement of a shaping punch, are inserted into t~he pocket of the folding turret. The pocket on the one hand and the shaping punch and/or punch plate on the other hand are designed, i.e. profiled, in such a way that by pressing the blank or the horizontal blank leg against the bottom of the pocket the side tabs are erected and at the same time the bevelled or rounded longitudinal edges in this region are formed.
The appropriate shaping of the side tabs arranged on the front wall takes pLace in the region of the same folding station by a folding member which can be moved horizontally to and fro, interacts with an upright leg of the punch plate and likewise forms the bevelled or rounded longitudinal edges while the side tabs are : 25 simultaneously being erected.
Further special features of the apparatus relate to folding tools for shaping the lid side tabs arranged on the lid front wall and for the inner tab likewise arranged on the hinge lid, in each case in the region of the same, first foLding station of the folding turret.
The apparatus is particularly suitable for pro-ducing hinge-lid packs having bevelled longitudinal edges, but is also suitable for other pack types, e.g.
cup-shaped packs, likewise having bevelled or rounded longitudinal edges.
An exemplary embodiment of a hinge-lid pack hav-ing bevelled longitudinal edges and an exemPlary embodi-; ment of an apparatus for producing packs of this type are explained below with reference to the drawings:
~;
4 _ 132~127 Figure 1 shows a blank for a hinge-lid pack with bevelled longitudinal edges in an angular intermediate folding position, figure 2 shows a section II-II in Figure 1, S Figure 3 shows a detail of the apparatus, in par-ticular a folding turret in the region of a first folding station, in plan, Figure 4 shows a detail of the folding turret with folding tools in the region of the first folding station, likewise in plan, Figure S shows a radiaL section through the fold-ing turret in the region of the first folding station, Figure 6 shows a further radial section in the - region of the first folding station with the relative position of the folding tools changed, Figure 7 shows a cross-section through a pocket - in the folding turret in the sectional plane VII-VII of Figure 4, Figure 8 shows a corresponding cross-section in the sectional plane VIII-VIII of Figure 4, Figure 9 shows a further cross-section in the sectional plane IX-IX of Figure 4, Figure 10 shows a cut-out of the folding turret or a pocket of the turret with further folding members, in Plan.
The blank 20 shown in an intermediate folding position in Figures 1 and 2 is intended for a (cigarette) pack of the hinge-lid type. For this purpose, regions are defined within the blank for forming front wall 21, bottom wall 22 and rear wall 23. Side tabs 24 are ar-ranged on the front wall 21 and further side tabs 25 are arranged on the rear wall 23, which, while partially overlapping, form narrow side walls of the essentialLy cuboid pack. Bottom corner tabs 26 are arranged on the lower ends of the side tabs 25 and, in the finished `` pack, are foLded against the inside of the bottom wall 22. The blank parts described to this extent form a part 27 of the pack.
The rear wal~ 23 is adjoined by a hinge l-d 29 ~ _ 5 _ 1325127 via a hinge 28. This hinge-lid consists of the lid rear wall 30, lid top wall 31 and lid front wall 32 blank parts.
The lid rear wall 30 and lid front wall 32 are each ad-joined on the sides by lid side tabs 33 and 34 for forming the lid side walls as a continuation or extension of the side walls of the pack part 27. Furthermore, in each case a lid corner tab 35 which is folded against the inside of the lid top wall 31 is attached as a continuation of the lid side tabs 33. An inner tab 36 arranged at the end of the blank, in particular at the free side of the lid front wall 32 is folded against the inside of the lid front wall 32 and is used to reinforce the latter.
In the present pack the (upright) longitudinal edges 37 and 38 thereof are designed in a specia~ way.
The longitudinal edges 37 and 38 of the pack part 27 as well as the lid longitudinal edges 39 and 40 are designed as a bevel or bevelled edge. The pack is thereby given an altogether octagonal cross-section. Each of the longi-tudinal edges 37 to 40 consists of two individual edges 41 and 42, between which a blank strip 43 of limited width extends diagonally. The angles included in the region of the individual edges 41, 42 are equally large.
The width of the blank strip 43 is matched with the dia-meter of a cigarette so that the latter can adapt, in a space-saving manner, to the contour of the blank in the region of the longitudinal edges 37 to 40.
The bottom wall Z2 and lid top wall 31 are matched to the above-described pack design, specifically each has a octagonal plan.
When producing a hinge-lid pack from a blank of the design described, the procedure adopted is one in ; which, in a first working or folding cycle, the blank is brought into an angular position (Figure 1). A horizon-tally oriented blank leg 44 is essentially formed by the rear wall 23 with the adjoining side tabs 25 and by the - blank parts for the hinge lid 29. An upright blank leg 45 consists of the bottom wall 2Z, front wall Z1, and the adjoining side tabs 24. In this first common folding cycle the bottom corner tabs Z6 are brought into their - 6 _ 132~127 position (up against the inside of the bottom wall 22).
Moreover, the side tabs 25 and the lid side tabs 33 are erected, thereby specifically forming the bevelLed longi-tudinal edges 38 and 39 in this blank region.
S In the subsequent folding cycle the side tabs 24 are folded, thereby forming the bevelled longitudinal edges 37, into a position transverse relative to the terected) front wall 21. Furthermore the lid side tabs 34 connected with the lid front wall 32 are erected simultaneously forming the lid longitudinal edges 40.
The next folding step consists in folding the inner tab 36, which has already been brought into an oblique position, against the inside of the lid front wall 32. At the same time the previously erected lid side tabs 34 are moved back into an approximately hori-zontal initial position. The blank prefolded to this extent is thus open at the top and on the radially outer side (region of the hinge lid 29) so that the pack con-tent ~cigarette block) can be inserted into the blank in the radial direction.
The apparatus for car;ying out the foldings des-cribed corresponds in its design largely to that accord-ing to German Offenlegungsschrift 2,440,006. This applies in particular to the stations for filling and completing the pack.
The essentia~ element of the apparatus is a fold-ing turret 46 having a plurality of pockets 47 arranged along the periphery and each intended for receiving a blank 2û. The folding turret 46 is designed as a flat plate and is rotatable about an upright axis (clockwise).
In the region of a first folding station A the flat blanks 20 are fed to the folding turret 46. For this purpose, there extends above the folding turret 46 in the region of the folding station A a blank-conveying track 48 pointed oblicluely downwards in the conveying - direction. Between a top guide 49 and a bottom guide 50 the blank 20 is supplied by conveying rollers 51 up to - an end position in an exact relative position above a pocket 47 in the region of the folding station A. In the 132~127 end position the blank 20 with the front end (inner tab 36~ comes to rest against a stop piece 52. The bLank 20 is laterally aligned in this position by means of a side alignment member 54 which can be moved to and fro in the transverse direction and is moved up laterally against the blank 20 so that the latter becomes aligned in the blank-conveying track 48 on the opposite side (see Figure 7).
After positioning the blank 20 or at the same time as this positioning, the bottom corner tabs 26 are preformed or prefolded by angling or erecting the latter.
For this purpose there is located in the region of the blank-conveying track 48 a corner tab folder 53 so as to be displaceabLe in parallel, in particular on the parallel lever 55. The C-shaped corner tab folder 53 is equipped with folding fingers 56, 57 which project from the sides into the region of the two bottom corner tabs 26. Up-ward movement or transverse movement relative to the blank 20 (Figure 6) results in the bottom corner tabs 26 being erected, and thus prefolded, by the folding fingers 56, 57.
The blank 20 is now inserted into the pocket 47 of the folding turret 46 by means of a downward movement, in particular by means of a shaping punch 58 having a punch plate 59, which can be moved up and down. In the present case, the shaping punch 58 is attached to an ang-led or arc-shaped pressure lever 60 which is pivotably mounted and effects movement of the shaping punch 58 along the orbit 61.
The punch plate 59 of the shaping punch 58 is dimensioned so that rear wall 23, lid rear wall 30, lid top wall 31 and lid front wall 32 are covered. The di-mensions of the pocket 47 are such that rear wall 23 as well as lid rear wall 30 are pressed against a pocket bottom 62 by means of the punch plates 59.
The designs of the punch plate 59 and pocket bot-tom 62 are matched with one another As can be seen, - for e~ample, from Figure 7 the punch plate 59 is designed with a polygonal cross-section, in particular with outer 132~127 corners 63 and 64 for forming the individual edges 41 and 42 in the region of the rear longitudinal edges 38 and 39 when pressing the corresponding blank parts into the pocket 47. Accordingly, the pocket 47, which is of dish-S shaped cross-section, is provided, in the region of the transition betwern the pocket bottom 62 and the pocket side walls 65, with inner corners 66, 67 opposite the outer corners 63 and 64. Thus, the punch plate 59 and pocket 47 bear the same relation to one another as the male mold to the female mold.
ln the present exemplary embodiment the shaping surfaces, facing each other, of the pocket side walls 65 on the one hand and of the punch side surfaces 68 on the other hand are arranged obliquely, in particular diverg-ing upwards. The blank 20 and the side tabs 25 and lidside tabs 33, respectively, are thereby brought into an intermediate folding position diverging upwards (Figure 7).
Pocket 47 and punch plate 59 are designed uith a - 20 cross-section which changes across their length. In the region of the lid rear wall 30 the cross-section of poc-ket 47 and punch plate 59 corresponds roughly to the re-presentation according to Figure 9, that is to say with ;~ an upright inner side of the pocket side wall 65 and cor-respondingly upright outer surfaces of the punch plate 59. As a result, the lid side tabs 33 are folded into a vertical position in the region of the lid rear wall 30, that is to say with a small angular offset relative to the side tabs Z5 in the region of the rear wall 23. This results in a bevelled edge 69 formed between the side tabs 25 on the one hand and 33 on the other hand being exposed so that a holding member for fixing the blank in the pocket 47 can come to rest against this bevelled edge 69.
The pocket 47 terminates approximately in the region of the transition between the lid rear wall 30 and the lid top wall 31. The latter is exposed outside the pocket 47. There is also no limitation for the lid cor-ner tabs 35 on the sides, since the latter are automatically -132~127 erected together with the lid side tabs 33.
Fo~ding the lid side tabs 34 arranged on the Lid front wall 32 as well as shaping the lid longitudinal edges 40 which extend at this point - outside the folding turret 46 or the pocket 47 - is carried out by separate folding tools which are fixed in the region of the fold-ing station A. A side tab folder 70 can be supplied from below and effects, because of its design and together with a counter-tool, the folding of the lid side tabs 34 including the lid longitudinal edges 40 Viewed in the radial direction the side tab folder 70 is designed fork-shaped (Figure 9). Lateral folding tappets 71 and 72 are designed with obliquely directed folding surfaces 73 and upright folding surfaces 74 for erecting the lid side tabs 34 and forming the individual edges 41, 42 in this region. The side tab folder 70 is attached to a central - ram 75 which can be moved up and down in a guide 76.
The counter folding member, which acts on the in-side relative to the blank 20, used in the region of the lid front wall 32 is the appropriately dimensioned and designed punch plate 59. The latter is of reduced cross-section in the region of the lid top wall 31 but rests on top of the latter. ln the region of the lid front wall 32 the punch plate 59 projecting from the pocket 47 is provided with a head piece 77 which has the cross-section shown in figure 9, that is to say has vertical side surfaces and outer corners 63 and 64 which corres-pond to the corners formed by the folding surfaces 73 and 74 of the side tab folder 70 so that, in cooperation with the side tab foldef 70, the lid longitudinal edges can be formed.
The blank 20 is fixed in the pocket 47 by means of lateral blank holders 78 which are pivotab~y attached, `~ as two-armed levers, next to each pocket 47, in a bearing 79 on the folding turret 46. The free end of the blank holder 78 is mounted, by appropriate design, below the folding turret 46 or the pocket bottom 62 and provided with a guide roller 80 which, to control the movements, 132~127 ~o runs on a cam disk 81 located below the folding turret 46 in the region of the folding station A. Tension springs 82 which pivot the blank holders 78 into the holding position take effect outside the region of the cam disk 81.
In this holding position a holding lug 83 located on the radially outer end of the blank holder 78 comes to rest against the: bevelled edge 69 of the side tabs 25 and in this way fixes the blank against radial movements. A
top holder 84 likewise arranged on the blank holder 78 bears against a top edge of the side tabs 25 and thus prevents upward movements. Finally there is provided a transverse ram 85 which likewise comes to rest against the side tabs 25 and holds the latter in the prescribed position.
A cam disk analogous to the cam disk 81 is also arranged in the region of an ejection station of the fold-, ing turret for opening the pockets.
` The punch plate 59 of the shaping punch 58 is of angular design when viewed in the radial direction. Anupright pressing leg 86 arranged on the inner edge is used for erecting the upright blank leg 45 in cooperation with an upright counter-wall on the inside of the pocket 47. The latter has a markedly lower height than the up-right blank leg 45 and extends only over a part regionof the width of the front wall 21 (Figure 4). On the other hand the pressing leg 86 extends essentially over the entire height of the front wall 21.
The side tabs 24 arranged on the front wall 21 are folded by a separate folding member, in particular a - side tab former 88. The latter can be moved from a re-tracted position (Figure 6, Figure 10) with folding legs 89 arranged in the shape of a fork up to the upright blank leg 45 until it comes to rest against the counter wall 87 (in the central region). The folding legs 89 which have a profile analogous to the side tab folder 70, that is to say have oblique folding surfaces 90, result in the side tabs 24 being folded into a position trans-verse relative to the front wall 21, thereby specifically : ~, "
simultaneously forming of the bevelled longitudinal edges 37. ~y means of a transverse actuating arm 91 the side tab former 88 is moved in the radial direction. The counter-tool used is the pressing leg 86 which extends on the opposite side of the front waLl 21 and is provided with a corresponding profile for forming the bevelled longitudinal edges 37.
~ hen inserting the blank 20 into the pocket 47 in the region of the folding station A blank regions are preshaped or prefolded. The bottom guide Sû of the blank-conveying track 48 is directed, by a dounuard-directed oblique guide leg 92, touards the pocket 47 and termin-ates directly above the counter-wall 87 of the latter-.
Moreover, converging guide walls 93 are arranged on both sides of the pocket 47. These guide walls effect erect-ing of the side tabs of the blank during the downuard movement executed by the shaping punch 58. The guide walls 93 form a constructional unit with the blank-con-veying track 48.
The inner tab 36 located on the outer end of the blank 20 is likewise preshaped during the downward move-ment. The stop piece 52 at the end of the blank-convey-ing track 48 is provided at the bottom with an arc-shaped guide extension 105. The latter is shaPed such that the inner tab sliding along this guide extension 105 is erec-ted and fixed in this position in the pocket 47 also (Figure 5).
Folding the inner tab 36 against the top side of the lid front wall 32 is likewise carried out in the re-gion of the folding station A. A folding and pressinglever is movable as a two-armed lever about a fixed pivot bearing 95 so that, by pivoting the folding and pressing lever 94 from the top position shoun in Figure 1 into the position shown with dash-and-dot lines or into the posi-tion according to Figure 6 the inner tab 36 is foldedfrom the erected position until it comes to rest against the lid front wall 32 and is pressed against the latter.
For this purpose, the end of the folding and pressing lever 94 is provided with a pressing head 96 which grips - 12 - I 3 2 ~ I 27 and presses the inner tab 36. As can be seen from Figure 3 the folding and pressing lever 94 consists of two struts 97 and 98 which are arranged at a distance from each other and on each end of which a pressing head 96 is formed.
Furthermore, laterally projecting pressure wings 99 are arranged on the ends of the folding and pressing lever 94 and the struts 97, 98. These pressure wings have the task, during the closing movement of the folding and pressing lever 94, that is to say while pressure is exerted on the inner tab 36, of folding the previously erected lid side tab 34 in the region of the lid front wall 32 downwards again, approximately back into the ~' initial position.
In the region of the above-described folding mem-bers, that is to say outside the region of the pocket 47, a fixed pressure member 100 forms the bottom counter-bearing for the folding members. The blank regions pro-jecting from the pocket 47 rest on the pressure member 100. This member extends over a relatively long region along the periphery of the folding turret 46, concentri-cally with the latter. In the region of the folding sta-tion A the pressure member 100 is provided with passage recesses 101 which permit passage of the folding tappets 71, 7Z of the side tab folder 70 from below.
Outside the region of the folding station A there is arranged at a small distance above the pressure member 100 a guide segment 102. This guide segment holds the folded back lid side tabs 34 in the flat position during the advance of the blank by rotation of the folding turret.
The folding and pressing lever 94 on the one hand and the pressure lever 60 on the other are coupled to one another via a gear. A steering lever 104 is interposed as a coupling member between the pressure lever 60, which is pivotable about the pivot bearing 103, and the folding and pressing lever 94. The connection is such that, - during an upward movement of the pressure lever 60 into the upper initial position shown, for example, in Figure 6, the folding and pressing lever 94 is at the same time ~ 13 - 132~127 pivoted into the fo~ding and pressing position. Corre-spondingly, the movement goes in the opposite direction during lowering of the pressure lever 60. The pivot bearing 95 for the folding and pressing lever 94 and the S pivot bearing 103 of the pressure lever 60 are arranged on a common support, in particular on a suPporting wall 106 of the machine.
Claims
THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An apparatus for producing essentially cuboid cigarette packs of the hinge-lid type, from a blank made of thin cardboard and having regions for forming a pack front wall, rear wall, side tabs for side walls, hinge-lid wall portions and a bottom wall, said apparatus comprising a shaping punch means, movable up and down, for pressing the blank into a vertical pocket, open at the top, of a folding turret, the pocket and the shaping punch means having corresponding mating shaping surfaces in the form of a pocket bottom and a punch plate, respectively, which have regions at their sides, such that, simultaneously, side tabs are erected and the longitudinal edges are formed between the rear wall and the side walls; said shaping punch means having on its radially inner end an upright pressing leg which presses a vertical blank leg into an upright position relative to a horizontal blank leg, said vertical blank leg containing the bottom wall and the front wall with its side tabs, and said horizontal blank leg containing the rear wall and the hinge-lid wall portions; and radially movable side tab former means for folding the side tabs into a position transverse relative to the upright front wall, thereby forming the longitudinal edges between the front wall and the side walls.
2. The apparatus as claimed in claim 1, wherein the pocket on the radially inner side is defined by an upright counter-wall which is of a smaller width and height than the front wall and which, after lowering of the shaping punch means extends between the counter-wall and the pressing leg means.
3. The apparatus as claimed in claim 1, wherein the blank is fixed in the pocket, in the radial direction and in an upward direction against displacement, by movable blank holders arranged on the side.
4. The apparatus as claimed in claim 3, wherein the blank holders comprise two-armed levers, a holding lug, resting against a bevelled edge of the side tab, and a top holder, resting on the top edge of the side tab, being arranged on a radially outer region.
5. The apparatus as claimed in claim 1, wherein pocket side walls of the pockets and, correspondingly, punch side surfaces of the punch plate are diverging upwards and extending obliquely in the region of the rear wall and the side tabs, such that the side tabs within the pocket are aligned obliquely but the adjacent side tabs are arranged upright.
6. The apparatus as claimed in claim 5, further comprising a corner tab folder means for pre-shaping, bottom corner tabs, connected with the side tabs, into an erected intermediate folding position prior to the entry of the blank into the pocket, said corner tab folder means being disposed above the folding turret in the region of a blank-conveying track.
7. The apparatus as claimed in claim 6, wherein the corner tab folder means has folding fingers projecting from its sides into the movement path of the blank, and further comprising means for moving said corner tab folder means up and down to erect the associated bottom corner tabs.
8. The apparatus as claimed in claim 6, further comprising a side alignment member means for aligning the blank in a lateral direction in the region of the blank-conveying track, and means for moving said side alignment member means to and fro in the plane of the blank to act on the sides of the latter.
9. The apparatus as claimed in claim 6, wherein the lid side tabs arranged on the lid front wall are erected by separate folding members in the region of a first folding station thereby forming the bevelled longitudinal edges, by means of another side tab folder which is arranged below the folding turret, is movable up and down and is provided with lateral folding tappets which interact in cooperation with top-side counter-folding tools comprising an appropriately designed head piece of the punch plate.
10. The apparatus as claimed in claim 9, wherein, outside the folding turret and concentric thereto, a fixed pressure member for supporting regions of the blank projecting from the pocket is arranged, passage openings for the passage of the folding tappets of said another side tab folder being formed in the region of the folding station.
11. The apparatus as claimed in claim 9, wherein the side tabs connected with the lid front wall are folded, after erecting and forming the bevelled or rounded longitudinal edges, back in to a flat initial position, by means of pressure wings of a folding and pressing lever, which pressure wings are lowered onto the side tabs.
12. The apparatus as claimed in claim 11, wherein an inner tab on the radially outer end of the blank is prefolded during the downward movement of the blank into the pocket in the sense of erecting, by means of a guide extension of the blank-conveying track and wherein in the region of the folding station a folding and pressing lever pivotably arranged outside the folding turret is lowered with a pressing head onto the inner tab, pressing the latter onto the lid front wall.
13. The apparatus as claimed in claim 12, wherein the pivotable folding and pressing lever is coupled, via a gear, to a pressing lever for actuating the shaping punch, such that the folding and pressing lever on the one hand and the pressure lever on the other hand are moved in opposite directions.
14. An apparatus as defined in claim 1 for producing packs with bevelled longitudinal edges wherein the pocket bottom and punch plate have bevelled regions at their sides.
15. An apparatus as defined in claim 1 for producing packs having rounded longitudinal edges, wherein the pocket bottom and punch plate have rounded regions at their sides.
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An apparatus for producing essentially cuboid cigarette packs of the hinge-lid type, from a blank made of thin cardboard and having regions for forming a pack front wall, rear wall, side tabs for side walls, hinge-lid wall portions and a bottom wall, said apparatus comprising a shaping punch means, movable up and down, for pressing the blank into a vertical pocket, open at the top, of a folding turret, the pocket and the shaping punch means having corresponding mating shaping surfaces in the form of a pocket bottom and a punch plate, respectively, which have regions at their sides, such that, simultaneously, side tabs are erected and the longitudinal edges are formed between the rear wall and the side walls; said shaping punch means having on its radially inner end an upright pressing leg which presses a vertical blank leg into an upright position relative to a horizontal blank leg, said vertical blank leg containing the bottom wall and the front wall with its side tabs, and said horizontal blank leg containing the rear wall and the hinge-lid wall portions; and radially movable side tab former means for folding the side tabs into a position transverse relative to the upright front wall, thereby forming the longitudinal edges between the front wall and the side walls.
2. The apparatus as claimed in claim 1, wherein the pocket on the radially inner side is defined by an upright counter-wall which is of a smaller width and height than the front wall and which, after lowering of the shaping punch means extends between the counter-wall and the pressing leg means.
3. The apparatus as claimed in claim 1, wherein the blank is fixed in the pocket, in the radial direction and in an upward direction against displacement, by movable blank holders arranged on the side.
4. The apparatus as claimed in claim 3, wherein the blank holders comprise two-armed levers, a holding lug, resting against a bevelled edge of the side tab, and a top holder, resting on the top edge of the side tab, being arranged on a radially outer region.
5. The apparatus as claimed in claim 1, wherein pocket side walls of the pockets and, correspondingly, punch side surfaces of the punch plate are diverging upwards and extending obliquely in the region of the rear wall and the side tabs, such that the side tabs within the pocket are aligned obliquely but the adjacent side tabs are arranged upright.
6. The apparatus as claimed in claim 5, further comprising a corner tab folder means for pre-shaping, bottom corner tabs, connected with the side tabs, into an erected intermediate folding position prior to the entry of the blank into the pocket, said corner tab folder means being disposed above the folding turret in the region of a blank-conveying track.
7. The apparatus as claimed in claim 6, wherein the corner tab folder means has folding fingers projecting from its sides into the movement path of the blank, and further comprising means for moving said corner tab folder means up and down to erect the associated bottom corner tabs.
8. The apparatus as claimed in claim 6, further comprising a side alignment member means for aligning the blank in a lateral direction in the region of the blank-conveying track, and means for moving said side alignment member means to and fro in the plane of the blank to act on the sides of the latter.
9. The apparatus as claimed in claim 6, wherein the lid side tabs arranged on the lid front wall are erected by separate folding members in the region of a first folding station thereby forming the bevelled longitudinal edges, by means of another side tab folder which is arranged below the folding turret, is movable up and down and is provided with lateral folding tappets which interact in cooperation with top-side counter-folding tools comprising an appropriately designed head piece of the punch plate.
10. The apparatus as claimed in claim 9, wherein, outside the folding turret and concentric thereto, a fixed pressure member for supporting regions of the blank projecting from the pocket is arranged, passage openings for the passage of the folding tappets of said another side tab folder being formed in the region of the folding station.
11. The apparatus as claimed in claim 9, wherein the side tabs connected with the lid front wall are folded, after erecting and forming the bevelled or rounded longitudinal edges, back in to a flat initial position, by means of pressure wings of a folding and pressing lever, which pressure wings are lowered onto the side tabs.
12. The apparatus as claimed in claim 11, wherein an inner tab on the radially outer end of the blank is prefolded during the downward movement of the blank into the pocket in the sense of erecting, by means of a guide extension of the blank-conveying track and wherein in the region of the folding station a folding and pressing lever pivotably arranged outside the folding turret is lowered with a pressing head onto the inner tab, pressing the latter onto the lid front wall.
13. The apparatus as claimed in claim 12, wherein the pivotable folding and pressing lever is coupled, via a gear, to a pressing lever for actuating the shaping punch, such that the folding and pressing lever on the one hand and the pressure lever on the other hand are moved in opposite directions.
14. An apparatus as defined in claim 1 for producing packs with bevelled longitudinal edges wherein the pocket bottom and punch plate have bevelled regions at their sides.
15. An apparatus as defined in claim 1 for producing packs having rounded longitudinal edges, wherein the pocket bottom and punch plate have rounded regions at their sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000616359A CA1325127C (en) | 1985-06-25 | 1992-04-27 | Apparatus for producing packs with bevelled or rounded longitudinal edges |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853522614 DE3522614A1 (en) | 1985-06-25 | 1985-06-25 | METHOD AND DEVICE FOR PRODUCING PACKINGS WITH BEEPED OR ROUNDED EDGES |
| DEP3522614.5 | 1985-06-25 | ||
| CA000510377A CA1312272C (en) | 1985-06-25 | 1986-05-30 | Process for producing packs with bevelled or rounded longitudinal edges |
| CA000616359A CA1325127C (en) | 1985-06-25 | 1992-04-27 | Apparatus for producing packs with bevelled or rounded longitudinal edges |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000510377A Division CA1312272C (en) | 1985-06-25 | 1986-05-30 | Process for producing packs with bevelled or rounded longitudinal edges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1325127C true CA1325127C (en) | 1993-12-14 |
Family
ID=25671013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000616359A Expired - Fee Related CA1325127C (en) | 1985-06-25 | 1992-04-27 | Apparatus for producing packs with bevelled or rounded longitudinal edges |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1325127C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016066989A1 (en) * | 2014-10-31 | 2016-05-06 | British American Tobacco (Investments) Limited | Apparatus and method for manufacturing a smoking article pack |
-
1992
- 1992-04-27 CA CA000616359A patent/CA1325127C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016066989A1 (en) * | 2014-10-31 | 2016-05-06 | British American Tobacco (Investments) Limited | Apparatus and method for manufacturing a smoking article pack |
| EP3212513A1 (en) * | 2014-10-31 | 2017-09-06 | British American Tobacco (Investments) Ltd | Apparatus and method for manufacturing a smoking article pack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4730442A (en) | Apparatus for producing packs with bevelled or rounded longitudinal edges | |
| FI76021C (en) | FOERFARANDE OCH ANORDNING FOER BILDNING AV EN ASK MED VAENDBART LOCK. | |
| US4708704A (en) | Process for producing packs with rounded or bevelled edges | |
| EP0414532B1 (en) | Flip-top cartons | |
| US4932930A (en) | Method and machine for forming cases with polygonal section made from a sheet material and cases thus obtained | |
| CA1322327C (en) | Apparatus for feeding blanks to a folding turret of a packaging machine | |
| US4612756A (en) | Apparatus for introducing cigarette groups into cigarette packs | |
| US5113638A (en) | Process and apparatus for producing (cigarette) packs | |
| CA1229010A (en) | Process and apparatus for closing cartons | |
| US5324250A (en) | Method and apparatus for folding bottom panels of a carton blank | |
| EP0460844A1 (en) | Packaging | |
| US6694703B1 (en) | Method of and apparatus for accumulating and joining blanks of packets for block-shaped groups of articles | |
| CA1325127C (en) | Apparatus for producing packs with bevelled or rounded longitudinal edges | |
| US6449926B1 (en) | Process and apparatus for producing (cigarette) packs | |
| US6883291B2 (en) | Apparatus for wrapping packs of smokers' products | |
| US4034538A (en) | Method and apparatus for producing a container | |
| US5819501A (en) | Apparatus for manipulating flaps of packets for products of the tabacco processing industry | |
| GB1603109A (en) | Packing machines | |
| GB2091162A (en) | Manufacture of flip-top-boxes | |
| JP2846500B2 (en) | Cardboard box with upper lid | |
| US2887933A (en) | Apparatus for forming containers | |
| US3021768A (en) | Apparatus for wrapping | |
| US3407712A (en) | Carton forming machine | |
| GB881433A (en) | Improvements in or relating to packaging machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |