CA1086276A - Hinge-lid pack, more particularly for cigarettes - Google Patents
Hinge-lid pack, more particularly for cigarettesInfo
- Publication number
- CA1086276A CA1086276A CA330,716A CA330716A CA1086276A CA 1086276 A CA1086276 A CA 1086276A CA 330716 A CA330716 A CA 330716A CA 1086276 A CA1086276 A CA 1086276A
- Authority
- CA
- Canada
- Prior art keywords
- front wall
- pack
- collar
- lid
- wall
- 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
Links
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- Cartons (AREA)
Abstract
Abstract Hinge-lid pack has a collar set back inwardly near the front wall of the pack which is for the major part of its length separated off from the front wall by a parting cut and is connected to the front wall by Z-folded residual connections only adjacent the ends of the front wall. This facilitates mechanical production from a unitary blank as the narrow residual connections can be Z-folded satisfactorily by machinery.
Description
1~:)86276 The invention relates to a hinge-lid pack, for cigarettes and like rod-shaped articles.
German Offenlegungsschrift 2 426 131 discloses a hinge-lid pack comprising a unitary blank having a lid hinged to a rear wall, the lid engaging in the closed position around a collar connected to a front wall, the collar being set back inwardly near the front wall by a Z-fold formed from an intermediate strip. The complete pack disclosed thereby comprises a single unitary blank of paper or board or the like.
Consequently, the conventional collar of such hinge-lid packs is a part of the blank and is connected to the pack front wall.
To achieve the stepping conventionally found in such packs between, on the one hand, the front wall of the pack and the side walls and, on the other hand, the collar and side collar tabs, a Z-fold is provided in the known pack near the front wall and on the side walls as a connection between the collar I and the front wall and side wall. Because of this Z-fold, the collar including its tabs is set back by two layers of material from the front wall and side walls. Consequently, the lid, which is also embodied by two layers, terminates flush with the front wall and the side wall in the closed position.
It is an object of the invention to suggest an improved hinge-lid pack of the kind described which is simpler, more particularly as regards low-cost mechanical manufacture, and has advantages in handling.
According to the invention, there is provided a hinge-lid pack, for cigarettes or like rod-shaped articles, said pack being folded from a unitary blank and having a front wall, a rear wall, and a lid hinged to the rear wall, the lid engaging in a closed position around a collar connected to the front wall, the collar being set back inwardly near the front wall and having opposite a top edge of the front wall an intermediate strip that is separated off from the front wall ~k 1!!)86;i~7~
along the major part of its length by a transverse parting cut and a Z-fold being formed only in the region of residual connections between the collar and the front wall, outside the Z-fold the intermediate strip engaging directly and in the unfolded state with the inside of the front wall of the pack.
The pack construction according to the invention near the connection between the front wall and the collar facilitates mechanical production since a relatively narrow intermediate strip can be folded satisfactorily by mechanical means. According to the invention, instead of a Z-fold being produced over the whole width of the front wall, something which is difficult to contrive mechanically, the collar is merely moved in a plane offset from the front wall so that the flat intermediate strip arising between the residual connections is supported on the inside of the front wall. If required, this part of the intermediate strip can be connected to the inside of the front wall by sticking or the like.
The side collar tabs are in known manner separated off from the adjacent front wall side tabs by an inclined cut and secured at a bottom region between the overlapping side -tabs of the front wall and the rear wall. The collar tabs may be formed over the height of this securing between the side tabs with an aperture near the pack rear wall, such aperture obviating the formation of three layers at the back of the pack. This improves the external optical impression made by the pack, and can be used independently of the connection hereinbefore described between the collar and the front wall.
An embodiment of a hinge-lid pack according to the -~
invention will be described in greater detail hereinafter with reference to the drawings wherein:
Fig. 1 shows blanks spread out and adjacent one another;
.
1~36276 Fig. 2 is a cross-section on the line II-II of Fig. 1 through a collar of the blank shown therein;
Fig. 3 is a view to a very enlarged scale of an edge region of the detail of Fig. 2;
Fig. 4 is a perspective view, partly cut away, of a hinge-lid pack formed from a blank of the kind shown in Fig. 1, the lid of the pack being open;
Fig. 5 is a perspective view showing part of the front of the pack including the collar during one phase of production of the pack;
Fig. 6 is a cross-section on the line VI-VI of Fig.
4 near the pack front wall and to an enlarged scale; and Fig. 7 is a cross-section on the line VII-VII of Fig. 4 near the front wall.
The embodiment shown of a pack is for an oblong prismatic hinge-lid pack for cigarettes. The pack comprises a front wall 10, a rear wall 11, a bottom 12 and side walls 13, 14. The latter are for the most part formed in two layers, consisting of side flaps or tabs 15, 16 connected to the front wall 10 and the rear wall 11.
Connectecl to the top edge of the rear wall 11 is a pivoting lid 17 whose rear wall 18 is unitary with the rear wall 11 and pivotable around an axis 19 embodied by a fold.
For the rest, the lid 17 comprises a top wall 20, a front wall 21 and a reinforcing flap or tab 22 folded over on to the inside of the lid. The lid rear wall 18 and its front wall 21 have lateral trapezoidal side flaps 23, 24 respectively which register with one another vertically to form the two-layer lid side walls 25, 26. Also, corner flaps or tabs 27, 28 are provided near the pack bottom 12 and the lid 17 respectively and engage with the bottom 12 and the lid top wall 20 respectively of the finished pack.
In the pack blank as so far described, a collar 29 6~76 follows on in the region of the front wall 10 and is unitarily connected to the rest of the blank by way of residual connections 30,31. The collar 29 is embodied by a front wall 32, as a continuation of the front wall 10, and side collar tabs 33 near the adjacent side tabs or flaps 15.
The regions of the blank or pack so far described are bounded from one another by longitudinal fold lines 34 and transverse fold lines 35.
The lateral parts of the blank - i.e., the side flaps lS and collar tabs 33 and the side flaps 16 and the lid side flaps 23, are completely separated from one another over their full width by inclined cuts 36, 37. Because of the inclination of about 30 of the cuts 36, 37, correspondingly inclined closing edges of the pack and lid and a bottom inclined edge of the collar tabs 33 arise.
The blank hereinbefore described is folded in k~own manner by the longitudinal folding method to form the pack shown in Fig. 4, the folding of the lid 17 being conventional. There are special features in the region of the collar 29.
The side collar tabs 33 are embedded and anchored, more especially by sticlcing, between the side wall flaps 15, 16 in the top part thereof by means of a bottom anchor strip 38 which can be e.g. approximately 5 mm high. Locally, therefore, three layers of material result in this region. So that these three layers are not visible at the back of the pack - i.e., at the top side edges of the rear wall 11 - each collar tab 33 is formed with an aperture 39 open to the back. Preferably, the aperture is of the same height as the strip 38. Consequently, the side flaps 15, 16 are immediately contiguous with one another in the region of the aperture 39~ There is a specially formed connection between the collar 29 and the front wall 10. In the present embodiment there are narrow residual lateral connections 30,31. Away from these connections 30, 31 the collar 29 - i.e., its front wall 32 -is separated from the front wall 10 by a cut 40. Lateral cuts - - ~986~76 41, 42 separate the connections 30, 31 from the nearby parts of the collar 29.
In the production of the pack, the collar 29 is moved in a set-back plane by relative movement opposite to the front wall 10 so that the residual connections 30, 31 are folded on to the back of the rear wall 10. That part of the collar front wall 32 which overlaps the pack front wall 10 is supported by the back thereof. A Z-fold 43, visible in Fig. 6, therefore arises near the connections 30, 31 together with the adjacent regions of the pack front wall 10 and collar front wall 32. Away from the connections 30, 31 the collar front wall 32 engages by way of a notional intermediate strip 44 (constituted by a lower portion of the collar wall 32) with the inside of the pack front wall 10. The strip 44 is twice as wide as the inner arm of the Z-fold 43 - i.e., it has a height or width of e.g. 5 mm. The collar tabs 33 are moved the same amount by this relative movement into the region of the side flaps 15, 16 and are engaged therebetween.
Consequently, the closing edge formed in this case by the top edge of the pack front wall 10 and of the outside side flaps 15 consists of a single layer whereas the associated closing edge of the lid 17 consists of two layers. This makes it easier to open the lid 17 since there is a step or shoulder between lid 17 and the rest of the pack.
The blanks of the present embodiment are so arranged that the waste produced by punching is much reduced. More particularly, the collar tabs 33 as originally formed are of the same width as the contiguous side flaps 15. However, to ensure that in the finished pack there is no unwanted projection of the inside collar tabs 33, their width is reduced subsequently from the original width by an impressed marginal raised part 45 visible in Figs. 2 and 3.
In the present embodiment the inwardly disposed side , . :
.
- - , : , . . .
1~6276 .
flaps 16 are formed with an aperture 46 open towards the edge, to enable the blank to be secured temporarily while the pack is being folded and filled in a pocket of a folding turret.
.
German Offenlegungsschrift 2 426 131 discloses a hinge-lid pack comprising a unitary blank having a lid hinged to a rear wall, the lid engaging in the closed position around a collar connected to a front wall, the collar being set back inwardly near the front wall by a Z-fold formed from an intermediate strip. The complete pack disclosed thereby comprises a single unitary blank of paper or board or the like.
Consequently, the conventional collar of such hinge-lid packs is a part of the blank and is connected to the pack front wall.
To achieve the stepping conventionally found in such packs between, on the one hand, the front wall of the pack and the side walls and, on the other hand, the collar and side collar tabs, a Z-fold is provided in the known pack near the front wall and on the side walls as a connection between the collar I and the front wall and side wall. Because of this Z-fold, the collar including its tabs is set back by two layers of material from the front wall and side walls. Consequently, the lid, which is also embodied by two layers, terminates flush with the front wall and the side wall in the closed position.
It is an object of the invention to suggest an improved hinge-lid pack of the kind described which is simpler, more particularly as regards low-cost mechanical manufacture, and has advantages in handling.
According to the invention, there is provided a hinge-lid pack, for cigarettes or like rod-shaped articles, said pack being folded from a unitary blank and having a front wall, a rear wall, and a lid hinged to the rear wall, the lid engaging in a closed position around a collar connected to the front wall, the collar being set back inwardly near the front wall and having opposite a top edge of the front wall an intermediate strip that is separated off from the front wall ~k 1!!)86;i~7~
along the major part of its length by a transverse parting cut and a Z-fold being formed only in the region of residual connections between the collar and the front wall, outside the Z-fold the intermediate strip engaging directly and in the unfolded state with the inside of the front wall of the pack.
The pack construction according to the invention near the connection between the front wall and the collar facilitates mechanical production since a relatively narrow intermediate strip can be folded satisfactorily by mechanical means. According to the invention, instead of a Z-fold being produced over the whole width of the front wall, something which is difficult to contrive mechanically, the collar is merely moved in a plane offset from the front wall so that the flat intermediate strip arising between the residual connections is supported on the inside of the front wall. If required, this part of the intermediate strip can be connected to the inside of the front wall by sticking or the like.
The side collar tabs are in known manner separated off from the adjacent front wall side tabs by an inclined cut and secured at a bottom region between the overlapping side -tabs of the front wall and the rear wall. The collar tabs may be formed over the height of this securing between the side tabs with an aperture near the pack rear wall, such aperture obviating the formation of three layers at the back of the pack. This improves the external optical impression made by the pack, and can be used independently of the connection hereinbefore described between the collar and the front wall.
An embodiment of a hinge-lid pack according to the -~
invention will be described in greater detail hereinafter with reference to the drawings wherein:
Fig. 1 shows blanks spread out and adjacent one another;
.
1~36276 Fig. 2 is a cross-section on the line II-II of Fig. 1 through a collar of the blank shown therein;
Fig. 3 is a view to a very enlarged scale of an edge region of the detail of Fig. 2;
Fig. 4 is a perspective view, partly cut away, of a hinge-lid pack formed from a blank of the kind shown in Fig. 1, the lid of the pack being open;
Fig. 5 is a perspective view showing part of the front of the pack including the collar during one phase of production of the pack;
Fig. 6 is a cross-section on the line VI-VI of Fig.
4 near the pack front wall and to an enlarged scale; and Fig. 7 is a cross-section on the line VII-VII of Fig. 4 near the front wall.
The embodiment shown of a pack is for an oblong prismatic hinge-lid pack for cigarettes. The pack comprises a front wall 10, a rear wall 11, a bottom 12 and side walls 13, 14. The latter are for the most part formed in two layers, consisting of side flaps or tabs 15, 16 connected to the front wall 10 and the rear wall 11.
Connectecl to the top edge of the rear wall 11 is a pivoting lid 17 whose rear wall 18 is unitary with the rear wall 11 and pivotable around an axis 19 embodied by a fold.
For the rest, the lid 17 comprises a top wall 20, a front wall 21 and a reinforcing flap or tab 22 folded over on to the inside of the lid. The lid rear wall 18 and its front wall 21 have lateral trapezoidal side flaps 23, 24 respectively which register with one another vertically to form the two-layer lid side walls 25, 26. Also, corner flaps or tabs 27, 28 are provided near the pack bottom 12 and the lid 17 respectively and engage with the bottom 12 and the lid top wall 20 respectively of the finished pack.
In the pack blank as so far described, a collar 29 6~76 follows on in the region of the front wall 10 and is unitarily connected to the rest of the blank by way of residual connections 30,31. The collar 29 is embodied by a front wall 32, as a continuation of the front wall 10, and side collar tabs 33 near the adjacent side tabs or flaps 15.
The regions of the blank or pack so far described are bounded from one another by longitudinal fold lines 34 and transverse fold lines 35.
The lateral parts of the blank - i.e., the side flaps lS and collar tabs 33 and the side flaps 16 and the lid side flaps 23, are completely separated from one another over their full width by inclined cuts 36, 37. Because of the inclination of about 30 of the cuts 36, 37, correspondingly inclined closing edges of the pack and lid and a bottom inclined edge of the collar tabs 33 arise.
The blank hereinbefore described is folded in k~own manner by the longitudinal folding method to form the pack shown in Fig. 4, the folding of the lid 17 being conventional. There are special features in the region of the collar 29.
The side collar tabs 33 are embedded and anchored, more especially by sticlcing, between the side wall flaps 15, 16 in the top part thereof by means of a bottom anchor strip 38 which can be e.g. approximately 5 mm high. Locally, therefore, three layers of material result in this region. So that these three layers are not visible at the back of the pack - i.e., at the top side edges of the rear wall 11 - each collar tab 33 is formed with an aperture 39 open to the back. Preferably, the aperture is of the same height as the strip 38. Consequently, the side flaps 15, 16 are immediately contiguous with one another in the region of the aperture 39~ There is a specially formed connection between the collar 29 and the front wall 10. In the present embodiment there are narrow residual lateral connections 30,31. Away from these connections 30, 31 the collar 29 - i.e., its front wall 32 -is separated from the front wall 10 by a cut 40. Lateral cuts - - ~986~76 41, 42 separate the connections 30, 31 from the nearby parts of the collar 29.
In the production of the pack, the collar 29 is moved in a set-back plane by relative movement opposite to the front wall 10 so that the residual connections 30, 31 are folded on to the back of the rear wall 10. That part of the collar front wall 32 which overlaps the pack front wall 10 is supported by the back thereof. A Z-fold 43, visible in Fig. 6, therefore arises near the connections 30, 31 together with the adjacent regions of the pack front wall 10 and collar front wall 32. Away from the connections 30, 31 the collar front wall 32 engages by way of a notional intermediate strip 44 (constituted by a lower portion of the collar wall 32) with the inside of the pack front wall 10. The strip 44 is twice as wide as the inner arm of the Z-fold 43 - i.e., it has a height or width of e.g. 5 mm. The collar tabs 33 are moved the same amount by this relative movement into the region of the side flaps 15, 16 and are engaged therebetween.
Consequently, the closing edge formed in this case by the top edge of the pack front wall 10 and of the outside side flaps 15 consists of a single layer whereas the associated closing edge of the lid 17 consists of two layers. This makes it easier to open the lid 17 since there is a step or shoulder between lid 17 and the rest of the pack.
The blanks of the present embodiment are so arranged that the waste produced by punching is much reduced. More particularly, the collar tabs 33 as originally formed are of the same width as the contiguous side flaps 15. However, to ensure that in the finished pack there is no unwanted projection of the inside collar tabs 33, their width is reduced subsequently from the original width by an impressed marginal raised part 45 visible in Figs. 2 and 3.
In the present embodiment the inwardly disposed side , . :
.
- - , : , . . .
1~6276 .
flaps 16 are formed with an aperture 46 open towards the edge, to enable the blank to be secured temporarily while the pack is being folded and filled in a pocket of a folding turret.
.
Claims (3)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A hinge-lid pack, for cigarettes or like rod-shaped articles, said pack being folded from a unitary blank and having a front wall, a rear wall, and a lid hinged to the rear wall, the lid engaging in a closed position around a collar connected to the front wall, the collar being set back inwardly near the front wall and having opposite a top edge of the front wall an intermediate strip that is separated off from the front wall along the major part of its length by a transverse parting cut and a Z-fold being formed only in the region of residual connections between the collar and the front wall, outside the Z-fold the intermediate strip engaging directly and in the unfolded state with the inside of the front wall of the pack.
2. A pack according to claim 1, in which the residual connections are disposed at the edge of the front wall and are separated by side cuts from the laterally adjacent parts of the blank.
3. A pack according to claim 1 or 2 in which the intermediate strip is bonded to the front wall outside the region of the residual connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA330,716A CA1086276A (en) | 1979-06-27 | 1979-06-27 | Hinge-lid pack, more particularly for cigarettes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA330,716A CA1086276A (en) | 1979-06-27 | 1979-06-27 | Hinge-lid pack, more particularly for cigarettes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1086276A true CA1086276A (en) | 1980-09-23 |
Family
ID=4114564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA330,716A Expired CA1086276A (en) | 1979-06-27 | 1979-06-27 | Hinge-lid pack, more particularly for cigarettes |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1086276A (en) |
-
1979
- 1979-06-27 CA CA330,716A patent/CA1086276A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |