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WO2003097487A1 - Container for tobacco articles and relative production method - Google Patents

Container for tobacco articles and relative production method Download PDF

Info

Publication number
WO2003097487A1
WO2003097487A1 PCT/EP2003/050165 EP0350165W WO03097487A1 WO 2003097487 A1 WO2003097487 A1 WO 2003097487A1 EP 0350165 W EP0350165 W EP 0350165W WO 03097487 A1 WO03097487 A1 WO 03097487A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
sheet material
edge
relative
panel
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.)
Ceased
Application number
PCT/EP2003/050165
Other languages
French (fr)
Inventor
Giorgio Vaccari
Roberto Polloni
Fiorenzo Draghetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD SpA
Original Assignee
GD SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GD SpA filed Critical GD SpA
Priority to US10/514,870 priority Critical patent/US20060006078A1/en
Priority to AU2003240847A priority patent/AU2003240847A1/en
Priority to DE60307087T priority patent/DE60307087T2/en
Priority to JP2004505227A priority patent/JP2005525976A/en
Priority to UA20041210347A priority patent/UA79467C2/en
Priority to EP03730211A priority patent/EP1503948B1/en
Publication of WO2003097487A1 publication Critical patent/WO2003097487A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4279—Joints, seams, leakproof joints or corners, special connections between panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
    • B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
    • B65D85/1036—Containers formed by erecting a rigid or semi-rigid blank
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
    • B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
    • B65D85/1036—Containers formed by erecting a rigid or semi-rigid blank
    • B65D85/1045—Containers formed by erecting a rigid or semi-rigid blank having a cap-like lid hinged to an edge
    • B65D85/1048—Containers formed by erecting a rigid or semi-rigid blank having a cap-like lid hinged to an edge characterized by the shape of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
    • B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
    • B65D85/1036—Containers formed by erecting a rigid or semi-rigid blank
    • B65D85/1045—Containers formed by erecting a rigid or semi-rigid blank having a cap-like lid hinged to an edge
    • B65D85/1048—Containers formed by erecting a rigid or semi-rigid blank having a cap-like lid hinged to an edge characterized by the shape of the container
    • B65D85/10484—Containers formed by erecting a rigid or semi-rigid blank having a cap-like lid hinged to an edge characterized by the shape of the container having rounded corners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/252—Surface scoring using presses or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/256—Surface scoring using tools mounted on a drum

Definitions

  • the present invention relates to a container for tobacco articles .
  • the present invention relates to a container for tobacco articles, e.g. a cigarette packet or carton, of the type formed by folding sheet material, normally a blank, and comprising at least one double- layer wall defined by an inner portion and an outer portion of sheet material superimposed on each other, at least part of the inner portion being covered by a corresponding part of the outer portion.
  • the present invention is particularly advantageous for producing hinged-lid packets of cigarettes, to which the following description refers purely by way of example .
  • hinged-lid packets of cigarettes i.e. packets comprising a body and a lid hinged to each other along a hinge line
  • packets comprising a body and a lid hinged to each other along a hinge line
  • two preformed longitudinal fold lines or strips parallel to each other and to a longitudinal axis of the blank, define a central body divided by a number of preformed transverse fold lines and by said hinge line into a succession of panels normally comprising a first front panel of the body, a second bottom panel of the body, a third rear panel of the body, a fourth rear panel of the lid connected to the third panel along said hinge line, a fifth top panel of the lid, a sixth front panel of the lid, and a seventh reinforcing panel of the sixth panel .
  • the preformed longitudinal fold lines or strips define two first flaps connected to respective longitudinal edges of the first panel; two second flaps connected to respective longitudinal edges of the third panel; two third flaps connected to respective longitudinal edges of the fourth panel; and two fourth flaps connected to respective longitudinal edges of the sixth panel.
  • each of the above flaps is folded squarely with respect to the relative panel and superimposed on another flap to form a relative portion of a lateral wall of the packet. More specifically, each first flap is placed on and gummed to the outer surface of a corresponding second flap, and each fourth flap is placed on and gummed to the outer surface of a corresponding third flap, to form, on the packet, two opposite lateral walls, on each of which the free edges of the outer flaps are visible.
  • the free edges are visible has both aesthetic and functional drawbacks. That is, the free edges, on the one hand, are normally the natural colour of the cardboard from which the blank is made, as opposed to the same colour/s as the adjacent outer surface of the packet, and, on the other, are rough, so that the packet is apt to catch, in use, on surrounding materials, and any transparent overwrapping material is prevented from adhering perfectly to the outer surface of the packet.
  • a container for tobacco articles as claimed in Claim 1 and, preferably, in any one of the following Claims depending directly and/or indirectly on Claim 1.
  • the present invention also relates to a method of producing the container for tobacco articles as defined above .
  • a method of producing a container for tobacco articles as claimed in Claim 7 and, preferably, in any one of the following Claims depending directly and/or indirectly on Claim 7.
  • Figure 1 shows a cross section in perspective of a first preferred embodiment of the container according to the present invention
  • Figure 2 shows a side view of a variation of the Figure 1 container
  • Figure 3 shows a flat blank from which to produce the Figure 1 container
  • FIGS 4 to 6 show, schematically, respective methods of producing the Figure 3 blank
  • FIGS 7 to 9 are similar to Figure 1, and show further embodiments of the container according to the present invention.
  • Number 1 in Figure 1 indicates as a whole a hinged- lid packet containing a group of cigarettes A enclosed in an inner wrapping B.
  • Packet 1 comprises a body 2 and a lid 3 hinged to each other along a hinge line 4 ( Figure 3) , and comprises a front wall 5, a rear wall 6, and two minor lateral walls 7 perpendicular to and connected to front and rear walls 5 and 6 by rounded longitudinal edges 8.
  • packet 1 is formed by folding a flat, substantially rectangular blank 9, on which two preformed longitudinal fold strips 10 - parallel to each other and to a longitudinal axis 11 of blank 9, and for forming rounded edges 8 - define a central body 12 divided by a number of preformed transverse fold lines 13 and by hinge line 4 into a succession of panels comprising a front panel 14 of body 2; a bottom panel 15 of body 2; a rear panel 16 of body 2; a rear panel 17 of lid 3 connected to panel 16 along hinge line 4; a top panel 18 of lid 3; a front panel 19 of lid 3; and a reinforcing panel 20 of panel 18.
  • preformed longitudinal fold strips 10 define two flaps 21 extending along respective longitudinal edges of front panel 14; two flaps 22 extending along respective longitudinal edges of rear panel 16; two flaps 23 extending along respective longitudinal edges of rear panel 17; and two flaps 24 extending along respective longitudinal edges of front panel 19.
  • flaps 21-24 are folded squarely with respect to relative panels 14, 16, 17, 19; each flap 21, 24 is superimposed at least partly on relative flap 22, 23, and is placed on and gummed to the outer surface of relative flap 22, 23; and each pair of corresponding flaps 22 and 23 defines, together with the relative flaps 21 and 24 superimposed on them, a relative lateral wall 7, the opposite longitudinal edges of which are connected respectively to front wall 5 and rear wall 6 by two rounded edges 8, each defined by a respective preformed fold strip 10.
  • a draw line 25 is formed along each pair of flaps 22 and 23, extends parallel to longitudinal axis 11, and, as shown in Figure 1, divides each flap 22, 23 into a raised portion 26 adjacent to and on a level with an outer edge of relative preformed fold strip 10, and into a depressed portion 27.
  • each flap 22, 23 rests on a corresponding flap of an inner collar 28, has a free edge 29, and is connected to relative raised portion 26 by a shoulder 30, which defines an inner edge of relative flap 22, 23, is of a height substantially equal to the thickness of blank 9, extends along relative draw line 25, and is positioned facing, adjacent to, and coplanar with a free edge 31 of relative flap 21, 24.
  • each draw line 25 is straight, and is formed practically along the outer edge of relative preformed fold strip 10, so that raised portions 26 of relative flaps 22 and 23 have a relatively small surface.
  • each draw line 25 is located further away from the outer edge of relative preformed fold strip 10, with a corresponding reduction in the width of relative flaps 21 and 24, and/or is defined, as in the example shown in the Figure 2 variation, by a draw line 25a of any curvilinear and/or mixtilinear shape, to obtain a relative lateral wall 7 with a perfectly flat outer surface 7a with no steps or exposed free edges 31, and, at the same time, a particularly attractive effect.
  • Draw lines 25, 25a can be formed using various methods, the choice of which depends on the shape and location of draw lines 25, 25a, and on the nature of blanks 9 being used.
  • each draw line 25 is preferably formed using two rollers 32 ( Figure 4) rotating about respective axes 33, crosswise to longitudinal axis 11, and positioned contacting relative depressed portion 27, and two rollers 34 offset with respect to rollers 32, rotating about respective axes 35 parallel to axes 33, and positioned contacting relative raised portion 26.
  • draw lines 25 or 25a are preferably formed using a die 36 and counter-die 37 moving crosswise to blanks 9 and having respective facing, complementary surfaces 38 and 39.
  • draw lines 25 or 25a are preferably formed using two substantially tangent rollers 42 and 43 located on opposite sides of strip 40, and rotating about respective axes 44 and 45 parallel to each other and to longitudinal axes 11, and crosswise to direction 41.
  • Rollers 42 and 43 respectively comprise at least one peripheral projection 46 and at least one corresponding cavity 47, which are brought into contact with respective opposite surfaces of depressed portions 27 of two adjacent blanks 9.
  • Draw lines 25, 25a may obviously be formed either when producing blanks 9 or on the user packing machine.
  • the above description relative to packet 1 also applies to any rigid package for tobacco articles, having one wall formed by superimposing two layers of sheet material .
  • Figure 7 shows a packet 48 with bevelled edges 49, i.e. an octagonal packet 48, the edges 49 of which are each defined by a longitudinal strip 50 at a 45° angle to the adjacent lateral wall 7, and connected to lateral wall 7 along a longitudinal edge 51.
  • Draw lines 25 (or 25a) of packet 48 are preferably formed on relative flaps 22 and 23 adjacent to relative rear edges 51.
  • Figure 8 shows a rectangular-section packet 52, wherein each lateral wall 7 is connected to front wall 5 and rear wall 6 along straight edges 53, and each draw line 25 (or 25a) is preferably formed on relative flaps 22 and 23 adjacent to the relative rear edge 53.
  • Figure 9 shows a "PILLOW" packet 54, wherein each of the opposite lateral portions of each of front and rear walls 5 and 6 is defined by a transversely curved preformed longitudinal fold strip 55 connected to relative lateral wall 7 along a relative sharp edge 56, and each draw line 25 (or 25a) is preferably formed on relative flaps 22 and 23 adjacent to the relative rear edge 56.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Cartons (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Making Paper Articles (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

A container (1; 48; 52; 54) for tobacco articles, the container (1; 48; 52; 54) being formed from folded sheet material (9), and having at least one wall (7) defined by an inner portion (22, 23) and an outer portion (21, 24) of sheet material superimposed at least partly on each other; and the part of the inner portion (22, 23) covered by a corresponding part of the outer portion (21,10 24) is drawn to accommodate the thickness of the corresponding part of the outer portion (21, 24), so that the relative wall (7) has a substantially continuous outer surface with no steps or exposed free edges (31).

Description

CONTAINER FOR TOBACCO ARTICLES AND RELATIVE PRODUCTION METHOD
TECHNICAL FIELD
The present invention relates to a container for tobacco articles .
More specifically, the present invention relates to a container for tobacco articles, e.g. a cigarette packet or carton, of the type formed by folding sheet material, normally a blank, and comprising at least one double- layer wall defined by an inner portion and an outer portion of sheet material superimposed on each other, at least part of the inner portion being covered by a corresponding part of the outer portion.
The present invention is particularly advantageous for producing hinged-lid packets of cigarettes, to which the following description refers purely by way of example . BACKGROUND ART
In the tobacco industry, hinged-lid packets of cigarettes, i.e. packets comprising a body and a lid hinged to each other along a hinge line, are known to be produced by folding a flat, substantially rectangular blank, on which two preformed longitudinal fold lines or strips, parallel to each other and to a longitudinal axis of the blank, define a central body divided by a number of preformed transverse fold lines and by said hinge line into a succession of panels normally comprising a first front panel of the body, a second bottom panel of the body, a third rear panel of the body, a fourth rear panel of the lid connected to the third panel along said hinge line, a fifth top panel of the lid, a sixth front panel of the lid, and a seventh reinforcing panel of the sixth panel .
Outwards of the central body, the preformed longitudinal fold lines or strips define two first flaps connected to respective longitudinal edges of the first panel; two second flaps connected to respective longitudinal edges of the third panel; two third flaps connected to respective longitudinal edges of the fourth panel; and two fourth flaps connected to respective longitudinal edges of the sixth panel.
When folding the blank, each of the above flaps is folded squarely with respect to the relative panel and superimposed on another flap to form a relative portion of a lateral wall of the packet. More specifically, each first flap is placed on and gummed to the outer surface of a corresponding second flap, and each fourth flap is placed on and gummed to the outer surface of a corresponding third flap, to form, on the packet, two opposite lateral walls, on each of which the free edges of the outer flaps are visible.
The fact that the free edges are visible has both aesthetic and functional drawbacks. That is, the free edges, on the one hand, are normally the natural colour of the cardboard from which the blank is made, as opposed to the same colour/s as the adjacent outer surface of the packet, and, on the other, are rough, so that the packet is apt to catch, in use, on surrounding materials, and any transparent overwrapping material is prevented from adhering perfectly to the outer surface of the packet.
DISCLOSURE OF INVENTION
It is an object of the present invention to provide a container for tobacco articles, designed to eliminate the aforementioned drawbacks.
According to the present invention, there is provided a container for tobacco articles, as claimed in Claim 1 and, preferably, in any one of the following Claims depending directly and/or indirectly on Claim 1. The present invention also relates to a method of producing the container for tobacco articles as defined above .
According to the present invention, there is provided a method of producing a container for tobacco articles, as claimed in Claim 7 and, preferably, in any one of the following Claims depending directly and/or indirectly on Claim 7.
BRIEF DESCRIPTION OF THE DRAWINGS A number of non-limiting embodiments of the present invention will be described by way of example with reference to the accompanying drawings, in which:
Figure 1 shows a cross section in perspective of a first preferred embodiment of the container according to the present invention;
Figure 2 shows a side view of a variation of the Figure 1 container;
Figure 3 shows a flat blank from which to produce the Figure 1 container;
Figures 4 to 6 show, schematically, respective methods of producing the Figure 3 blank;
Figures 7 to 9 are similar to Figure 1, and show further embodiments of the container according to the present invention.
BEST MODE FOR CARRYING OUT THE INVENTION
Number 1 in Figure 1 indicates as a whole a hinged- lid packet containing a group of cigarettes A enclosed in an inner wrapping B. Packet 1 comprises a body 2 and a lid 3 hinged to each other along a hinge line 4 (Figure 3) , and comprises a front wall 5, a rear wall 6, and two minor lateral walls 7 perpendicular to and connected to front and rear walls 5 and 6 by rounded longitudinal edges 8. As shown in Figure 3, packet 1 is formed by folding a flat, substantially rectangular blank 9, on which two preformed longitudinal fold strips 10 - parallel to each other and to a longitudinal axis 11 of blank 9, and for forming rounded edges 8 - define a central body 12 divided by a number of preformed transverse fold lines 13 and by hinge line 4 into a succession of panels comprising a front panel 14 of body 2; a bottom panel 15 of body 2; a rear panel 16 of body 2; a rear panel 17 of lid 3 connected to panel 16 along hinge line 4; a top panel 18 of lid 3; a front panel 19 of lid 3; and a reinforcing panel 20 of panel 18.
Outwards of central body 12, preformed longitudinal fold strips 10 define two flaps 21 extending along respective longitudinal edges of front panel 14; two flaps 22 extending along respective longitudinal edges of rear panel 16; two flaps 23 extending along respective longitudinal edges of rear panel 17; and two flaps 24 extending along respective longitudinal edges of front panel 19.
When folding blank 9 to form packet 1, flaps 21-24 are folded squarely with respect to relative panels 14, 16, 17, 19; each flap 21, 24 is superimposed at least partly on relative flap 22, 23, and is placed on and gummed to the outer surface of relative flap 22, 23; and each pair of corresponding flaps 22 and 23 defines, together with the relative flaps 21 and 24 superimposed on them, a relative lateral wall 7, the opposite longitudinal edges of which are connected respectively to front wall 5 and rear wall 6 by two rounded edges 8, each defined by a respective preformed fold strip 10.
As shown in Figure 3, a draw line 25 is formed along each pair of flaps 22 and 23, extends parallel to longitudinal axis 11, and, as shown in Figure 1, divides each flap 22, 23 into a raised portion 26 adjacent to and on a level with an outer edge of relative preformed fold strip 10, and into a depressed portion 27.
Depressed portion 27 of each flap 22, 23 rests on a corresponding flap of an inner collar 28, has a free edge 29, and is connected to relative raised portion 26 by a shoulder 30, which defines an inner edge of relative flap 22, 23, is of a height substantially equal to the thickness of blank 9, extends along relative draw line 25, and is positioned facing, adjacent to, and coplanar with a free edge 31 of relative flap 21, 24.
In the Figure 1 and 3 example, each draw line 25 is straight, and is formed practically along the outer edge of relative preformed fold strip 10, so that raised portions 26 of relative flaps 22 and 23 have a relatively small surface. In variations not shown, however, each draw line 25 is located further away from the outer edge of relative preformed fold strip 10, with a corresponding reduction in the width of relative flaps 21 and 24, and/or is defined, as in the example shown in the Figure 2 variation, by a draw line 25a of any curvilinear and/or mixtilinear shape, to obtain a relative lateral wall 7 with a perfectly flat outer surface 7a with no steps or exposed free edges 31, and, at the same time, a particularly attractive effect.
Draw lines 25, 25a can be formed using various methods, the choice of which depends on the shape and location of draw lines 25, 25a, and on the nature of blanks 9 being used.
To form straight draw lines 25 extending lengthwise of blanks 9 extracted from a stack (not shown) and fed axially in continuous manner or in steps, each draw line 25 is preferably formed using two rollers 32 (Figure 4) rotating about respective axes 33, crosswise to longitudinal axis 11, and positioned contacting relative depressed portion 27, and two rollers 34 offset with respect to rollers 32, rotating about respective axes 35 parallel to axes 33, and positioned contacting relative raised portion 26.
If blanks 9 (fig. 5) are fed in steps in any direction, e.g. crosswise to longitudinal axes 11, draw lines 25 or 25a are preferably formed using a die 36 and counter-die 37 moving crosswise to blanks 9 and having respective facing, complementary surfaces 38 and 39.
If blanks 9 are connected laterally (Figure 6) to form a continuous strip 40 fed continuously or in steps in a direction 41 crosswise to longitudinal axes 11, draw lines 25 or 25a are preferably formed using two substantially tangent rollers 42 and 43 located on opposite sides of strip 40, and rotating about respective axes 44 and 45 parallel to each other and to longitudinal axes 11, and crosswise to direction 41. Rollers 42 and 43 respectively comprise at least one peripheral projection 46 and at least one corresponding cavity 47, which are brought into contact with respective opposite surfaces of depressed portions 27 of two adjacent blanks 9.
Draw lines 25, 25a may obviously be formed either when producing blanks 9 or on the user packing machine. The above description relative to packet 1 also applies to any rigid package for tobacco articles, having one wall formed by superimposing two layers of sheet material .
For example, Figure 7 shows a packet 48 with bevelled edges 49, i.e. an octagonal packet 48, the edges 49 of which are each defined by a longitudinal strip 50 at a 45° angle to the adjacent lateral wall 7, and connected to lateral wall 7 along a longitudinal edge 51. Draw lines 25 (or 25a) of packet 48 are preferably formed on relative flaps 22 and 23 adjacent to relative rear edges 51.
By way of a further example, Figure 8 shows a rectangular-section packet 52, wherein each lateral wall 7 is connected to front wall 5 and rear wall 6 along straight edges 53, and each draw line 25 (or 25a) is preferably formed on relative flaps 22 and 23 adjacent to the relative rear edge 53.
By way of a further example, Figure 9 shows a "PILLOW" packet 54, wherein each of the opposite lateral portions of each of front and rear walls 5 and 6 is defined by a transversely curved preformed longitudinal fold strip 55 connected to relative lateral wall 7 along a relative sharp edge 56, and each draw line 25 (or 25a) is preferably formed on relative flaps 22 and 23 adjacent to the relative rear edge 56.

Claims

1) A container for tobacco articles, formed by folding sheet material (9), the container (1; 48; 52; 54) comprising at least one double-layer wall (7) defined by an inner portion (22, 23) and an outer portion (21, 24) of sheet material (9) superimposed on each other; at least part (27) of said inner portion (22, 23) being covered by a corresponding part of said outer portion (21, 24); characterized in that said part (27) of said inner portion (22, 23) is a depressed part (27) depressed by an amount at least equal to the thickness of said sheet material (9) .
2) A container as claimed in Claim 1, wherein said depressed part (27) is bounded by a respective free outer first edge (29) and by an inner second edge (30) connected to the rest of said sheet material (9), and said outer portion (21, 24) has a free outer third edge
(31); said third edge (31) facing and being coplanar with said second edge (30) .
3) A container as claimed in Claim 2, wherein said second and third edge (30, 31) are complementary in shape .
4) A container as claimed in Claim 2 or 3, wherein said second and third edge (30, 31) are straight.
5) A container as claimed in Claim 2 or 3, wherein said second and third edge (30, 31) are curvilinear.
6) A container as claimed in Claim 2 or 3, wherein said second and third edge (30, 31) are mixtilinear.
7) A method of producing a container for tobacco articles, the method comprising the step of folding sheet material (9) to define, on the container (1; 48; 52; 54), at least one double-layer wall (7) comprising an inner portion (22, 23) and an outer portion (21, 24) of sheet material (9) superimposed on each other; at least part
(27) of said inner portion (22, 23) being covered by a corresponding part of said outer portion (21, 24); and the method being characterized by comprising the further step of depressing said part (27) of said inner portion
(22, 23) by an amount at least equal to the thickness of said sheet material (9) .
8) A method as claimed in Claim 7, wherein said part (27) of said inner portion (22, 23) is depressed by drawing .
9) A method as claimed in Claim 8, wherein said drawing is performed using a die (36) and a counter-die
(37) . 10) A method as claimed in Claim 8, wherein said drawing is performed by rolling.
11) A method as claimed in Claim 10, wherein said sheet material (9) is defined by a blank (9) comprising a central body (12) having a longitudinal axis (11) and divided into a number of panels (14-20) by preformed fold lines (13) crosswise to said longitudinal axis (11); at least some (14, 16, 17, 19) of said panels (14-20) having opposite lateral flaps (21-24), each of which is folded squarely with respect to the relative panel (14; 16; 17; 19) and is superimposed at least partly on a corresponding flap (21-24) of another said panel (14; 16; 17; 19) to form a relative said double-layer wall (7); and wherein said rolling is performed in a direction parallel to said longitudinal axis (11) .
12) A method as claimed in Claim 10, wherein said sheet material (9) is defined by a blank (9) comprising a central body (12) having a longitudinal axis (11) and divided into a number of panels (14-20) by preformed fold lines (13) crosswise to said longitudinal axis (11); at least some (14, 16, 17, 19) of said panels (14-20) having opposite lateral flaps (21-24), each of which is folded squarely with respect to the relative panel (14; 16; 17; 19) and is superimposed at least partly on a corresponding flap (21-24) of another said panel (14; 16; 17; 19) to form a relative said double-layer wall (7); and wherein said rolling is performed in a direction crosswise to said longitudinal axis (11). 13) A method as claimed in Claim 12, wherein said blank (9) forms part of a strip (40) defined by a succession of blanks (9) joined to one another and positioned with their longitudinal axes (11) crosswise to a travelling direction (41) of said strip (40) .
PCT/EP2003/050165 2002-05-16 2003-05-15 Container for tobacco articles and relative production method Ceased WO2003097487A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US10/514,870 US20060006078A1 (en) 2002-05-16 2003-05-15 Container for tobacco articles and relative production method
AU2003240847A AU2003240847A1 (en) 2002-05-16 2003-05-15 Container for tobacco articles and relative production method
DE60307087T DE60307087T2 (en) 2002-05-16 2003-05-15 CONTAINER FOR TOBACCO PRODUCTS AND CORRESPONDING MANUFACTURING PROCESS
JP2004505227A JP2005525976A (en) 2002-05-16 2003-05-15 Tobacco product containers and process for producing the same
UA20041210347A UA79467C2 (en) 2002-05-16 2003-05-15 Container for tobacco articles and method of its manufacture
EP03730211A EP1503948B1 (en) 2002-05-16 2003-05-15 Container for tobacco articles and relative production method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002BO000302A ITBO20020302A1 (en) 2002-05-16 2002-05-16 CONTAINER FOR SMOKING ITEMS AND METHOD FOR ITS REALIZATION
ITBO2002A000302 2002-05-16

Publications (1)

Publication Number Publication Date
WO2003097487A1 true WO2003097487A1 (en) 2003-11-27

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PCT/EP2003/050165 Ceased WO2003097487A1 (en) 2002-05-16 2003-05-15 Container for tobacco articles and relative production method

Country Status (12)

Country Link
US (1) US20060006078A1 (en)
EP (1) EP1503948B1 (en)
JP (1) JP2005525976A (en)
CN (1) CN1310807C (en)
AT (1) ATE334081T1 (en)
AU (1) AU2003240847A1 (en)
DE (1) DE60307087T2 (en)
IT (1) ITBO20020302A1 (en)
PL (1) PL372489A1 (en)
RU (1) RU2309102C2 (en)
UA (1) UA79467C2 (en)
WO (1) WO2003097487A1 (en)

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USD635850S1 (en) * 2008-06-02 2011-04-12 R.J. Reynolds Tobacco Company Blank for a cigarette package
USD635851S1 (en) * 2008-07-11 2011-04-12 R.J. Reynolds Tobacco Company Blank for a cigarette package
US8905263B2 (en) * 2011-04-05 2014-12-09 Sca Hygiene Products Ab Dispenser
US10266301B2 (en) 2014-12-31 2019-04-23 Philip Morris Products S.A. Round corner container
UA122969C2 (en) * 2015-05-27 2021-01-27 Філіп Морріс Продактс С.А. Container having improved bevelled edge
US10442607B2 (en) * 2015-07-31 2019-10-15 Philip Morris Products S.A. Creased blank for forming a container with round or beveled corners
EP3350099B1 (en) * 2015-09-17 2020-09-16 Philip Morris Products S.a.s. Container with a bevelled edge and an adjacent transverse curved edge
DE102017008337A1 (en) * 2017-09-05 2019-03-07 Focke & Co. (Gmbh & Co. Kg) Method and device for producing cigarette packets
US20190315511A1 (en) * 2018-04-13 2019-10-17 Georgia-Pacific Corrugated Llc Container with rounded corner or corners
CN109335338A (en) * 2018-11-07 2019-02-15 红塔烟草(集团)有限责任公司 A kind of clamshell cigarette packet capsule

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Also Published As

Publication number Publication date
ATE334081T1 (en) 2006-08-15
ITBO20020302A0 (en) 2002-05-16
US20060006078A1 (en) 2006-01-12
JP2005525976A (en) 2005-09-02
RU2004136848A (en) 2005-06-27
DE60307087T2 (en) 2006-12-21
UA79467C2 (en) 2007-06-25
CN1652985A (en) 2005-08-10
ITBO20020302A1 (en) 2003-11-17
CN1310807C (en) 2007-04-18
AU2003240847A1 (en) 2003-12-02
EP1503948B1 (en) 2006-07-26
DE60307087D1 (en) 2006-09-07
PL372489A1 (en) 2005-07-25
RU2309102C2 (en) 2007-10-27
EP1503948A1 (en) 2005-02-09

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