US20130341380A1 - Method of forming score lines on blank, method of manufacturing package using same, and package - Google Patents

Method of forming score lines on blank, method of manufacturing package using same, and package Download PDF

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Publication number
US20130341380A1
US20130341380A1 US14/010,067 US201314010067A US2013341380A1 US 20130341380 A1 US20130341380 A1 US 20130341380A1 US 201314010067 A US201314010067 A US 201314010067A US 2013341380 A1 US2013341380 A1 US 2013341380A1
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US
United States
Prior art keywords
blank
forming
panel
score
sub
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.)
Abandoned
Application number
US14/010,067
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English (en)
Inventor
Hitoshi Tambo
Toshihiko IMAMURA
Kazuo Osamura
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.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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 Japan Tobacco Inc filed Critical Japan Tobacco Inc
Assigned to JAPAN TOBACCO INC. reassignment JAPAN TOBACCO INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IMAMURA, Toshihiko, OSAMURA, KAZUO, TAMBO, HITOSHI
Publication of US20130341380A1 publication Critical patent/US20130341380A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • 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
    • B65D5/64—Lids
    • B65D5/66—Hinged lids
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0024—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed having all side walls attached to the bottom
    • 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
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/20—Shape of rigid or semi-rigid containers having a curved cross section, e.g. circular
    • 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
    • B31B2241/00—Making bags or boxes intended for a specific use
    • B31B2241/003—Making cigarette boxes
    • 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

Definitions

  • the present invention relates to a method of forming score lines on a blank, a method of manufacturing a package using same, and a package.
  • packages of this type are called hinged-lid packages.
  • the hinged-lid package is cuboidal in shape and has four longitudinal angular edges.
  • the package with angular edges does not fit comfortably in the hand of a user who holds the package.
  • the package with rounded edges in place of angular edges is therefore preferable.
  • a blank (plastic sheet) for forming a package with rounded edges is known (see patent document 1, for example).
  • score lines are formed on the blank by pressing blades against the blank, and the resulting score-lined areas are bent into rounded edges.
  • Patent Document 1 JP 2004-98586 A
  • the present invention intends to provide a method of forming score lines on a blank in a manner not causing deformation, such as warping, of the whole blank so that the score-lined blank can be steadily supplied to a packaging machine and formed into a package without distortion, and a method of manufacturing a cigarette package with rounded edges using same, and a cigarette package.
  • the present invention provides a method of forming score lines on a blank, comprising steps of:
  • score lines in score line forming areas of the blank which are to be bent to form outer edges of the box, to extend in a direction in which the outer edges should extend, wherein in the score line forming step, the score lines are formed in a manner causing grooves to be produced on a back side of each score line forming area, along the score lines, through plastic deformation.
  • the box to be formed comprises a box-shaped container open at the top and a box-shaped lid connected to a top edge of the container functioning as a hinge to open and close the container;
  • the blank comprises a main section for forming the container, extending in one direction, and a sub-section for forming the lid, connected to an edge of the main section which is to form the hinge;
  • the main section includes a front main panel, a bottom panel and a rear main panel for forming a front wall, a bottom wall and a rear wall of the container, aligned in the direction and delimited by transverse fold lines, and outer and inner side main flaps for forming an outer and an inner layer of each side wall of the container, connected to either side of the front main panel and of the rear main panel;
  • the sub-section includes a rear sub-panel, a top panel and a front sub-panel for forming a rear wall, a top wall and a front wall of the lid, aligned in the direction and delimited by transverse fold lines, and inner
  • a printed layer for providing information about items to be contained in the box in a manner recognizable from the score line forming area side is formed on a side of the blank opposite to the score line forming area side.
  • the blank is made of polyethylene terephthalate.
  • the present invention also provides a method of manufacturing a cigarette package with rounded edges using the aforementioned score line forming method, wherein after the score line forming step, the blank is formed into the box by folding and bending the blank with the score-lined surface outside.
  • the present invention also provides a cigarette package with rounded edges manufactured by the aforementioned cigarette package manufacturing method.
  • the method according to the present invention comprises a blank forming step of forming a blank able to be formed into a box by folding, and a score line forming step of forming score lines in areas of the blank which are to be bent to form outer edges of the box, to extend in a direction in which the outer edges should extend, and in the score line forming step, the score lines are formed in a manner causing grooves to be produced on a back side of each score line forming area, along the score lines, through plastic deformation.
  • the score lines are thus formed on one side of the blank which is to form the outer surface of the box, and the forming of the score lines on one side of the blank simultaneously and automatically causes the production of grooves on the other side of the blank through plastic deformation.
  • the blank therefore does not undergo tensile stress pulling on the blank to either side of each groove, and thus, does not undergo warping as a whole. Since the blank retains its sheet shape, it can be steadily supplied to a packaging machine. From the blank prevented from warping, a package can be formed without distortion.
  • the resulting cigarette package has rounded edges formed by bending the score-lined areas. Such package fits comfortably in the hand.
  • a printed layer is formed on the side of the blank opposite to the score line forming area side, which means that the score lines are not formed directly on the printed layer.
  • the blank When made of polyethylene terephthalate, the blank is easy to handle and easy to form score lines thereon.
  • a cigarette package with rounded edges can be produced from the blank having undergone the score line forming step, by bending the blank with the score-lined surface outside, thereby forming the blank into a box, where each score-lined area can be bent into a rounded edge utilizing the score lines.
  • the cigarette package with rounded edges fits comfortably in the hand.
  • FIG. 1 is a schematic diagram showing a cigarette package according to the present invention in a closed state.
  • FIG. 2 is a schematic diagram showing the package shown in FIG. 1 , in an open state.
  • FIG. 3 is a schematic diagram showing a blank to which score lines forming method according to the present invention has been applied.
  • FIG. 4 is a schematic diagram for explaining the process of forming score lines.
  • FIG. 5 is a schematic diagram for explaining the process of forming score lines.
  • FIG. 6 is a schematic diagram showing another blank to which the score lines forming method according to the present invention has been applied.
  • FIG. 7 is a schematic diagram showing an inner frame to which the score lines forming method according to the present invention has been applied.
  • a cigarette package (box) 1 shown in FIG. 1 is, as a whole, cuboidal in shape and covered with a transparent film (not shown).
  • the covering film has a tear tape.
  • the package is partly exposed by opening the covering film along the tear tape.
  • the cigarette package 1 includes a container 2 .
  • the container 2 is open at the top.
  • the open top is closed with a lid 6 .
  • the lid 6 is connected to the rear top edge of the container which functions as a hinge 4 .
  • the lid is therefore able to be rotated on the hinge 4 to open or close the container.
  • the container 2 has inclined top edges.
  • the container 2 has further a U-shaped inner frame 10 .
  • the inner frame 10 is arranged to project from the top of the container 2 to define the top opening 12 of the container 2 .
  • the inner frame 10 has an access opening 14 in the front wall thereof.
  • the access opening 14 has an approximately U shape.
  • the lid 6 is in the shape of a box whose bottom edges define an inclined opening.
  • the lid 6 is designed to close the top opening 12 in the manner that the lid 6 lies over the projecting part of the inner frame 10 .
  • the bottom edges of the lid 6 meet the top edges of the container 2 .
  • the container has four longitudinal angular edges
  • the container 2 of the present invention has rounded edges 16 in place of angular edges.
  • each rounded edge 16 shows a circular arc shape.
  • the lid 6 has similar rounded edges 18 corresponding to the rounded edges 16 , respectively.
  • each rounded edge 16 is in alignment with the corresponding rounded edge 18 so that they constitute a longitudinal edge of the package 1 .
  • the inner frame 10 has two rounded edges 24 .
  • the present invention provides a manufacturing method described below.
  • the cigarette package 1 is formed by folding a sheet-shaped blank 3 (see FIG. 3 ).
  • the blank 3 has transverse fold lines 5 formed to make the blank 3 easy to fold at intended locations.
  • the blank 3 is, in advance, cut into a desired shape so that the blank 3 can be formed into the intended box shape by folding.
  • the blank 3 is formed by a known blank forming process. It is to be noted that in the blank forming step, fold lines for forming the longitudinal edges (referred to as “longitudinal fold lines”) are not formed.
  • a score line forming step is performed, in which score lines 7 are formed in each score line forming area 8 of the blank 3 , which is an area to be folded into a longitudinal edge of the box 1 , that is, an area in which normally a longitudinal fold line is formed, to extend in the direction in which the edge should extend.
  • the score lines 7 are formed on that side of the blank which is to form the outer surface of the box 1 .
  • the score lines forming areas 8 are on that side of the blank which is to form the outer side of the box, so that the score lines 7 are formed only on that side of the blank.
  • the forming of the score lines 7 causes grooves 9 (see FIG. 5 ) to be produced on the back side of each score line forming area, along the score lines 7 , through plastic deformation.
  • the score lines 7 are formed only on that side of the blank 3 which is to form the outer surface of the box 1 as mentioned above, the forming of the score liens 7 on one side of the blank simultaneously and automatically causes the production of grooves 9 on the other side of the blank through plastic deformation.
  • Such production of the grooves 9 is brought on by using a cutting device 11 as shown in FIG. 4 .
  • the cutting device 11 is a rotary die cutter having ten parallel blades 13 at approximately 0.8 mm intervals, for example.
  • the score lines 7 and grooves 9 are formed by pressing each score line forming area 8 with the blades 13 .
  • score lines 7 are formed on one side of the blank 3 by pressing the score line forming area 8 with the blades 13 .
  • the blank is pulled on to either side of each score line 7 and plastically deformed.
  • Grooves 9 are thus automatically formed on the back side of the score line forming area 8 , at positions corresponding to the bottoms 7 a of the score lines 7 .
  • the grooves 9 extend along the score lines 7 as mentioned above. More specifically, the grooves 9 develop along the respective score lines 7 in a manner corresponding to the respective score lines 7 .
  • the depth D of the score lines 7 is 134.74 ⁇ m in the case that the blank is 307.97 ⁇ m thick, for example.
  • the blank 3 with the groove 8 produced this way does not undergo tensile stress pulling on the blank 3 to either side of each groove 9 , and thus, does not undergo warping as a whole.
  • the blank 3 thus retains its sheet shape, and can be steadily supplied to a packaging machine. From the blank thus prevented from warping, the package 1 can be formed without distortion.
  • a printed layer 15 is formed on the side of the blank opposite to the score line forming area side to provide information about items to be contained in the box 1 in a manner recognizable from the score line forming area side (outer surface of the formed box 1 ). Cutting work on the printed layer 15 should be avoided as much as possible. Since the printed layer 15 is on the side of the blank opposite to the score line forming area 8 side, score lines 7 are not formed directly on the printed layer 15 .
  • the blank 3 is made of polyethylene terephthalate (PET), the blank 3 is easy to handle and easy to form score lines 7 thereon.
  • the blank 3 for forming the cigarette package 1 has the following configuration:
  • the blank 3 comprises a main section 19 for forming the container 2 , extending in one direction (bottom-to-top direction in FIG. 3 ), and a sub-section 20 for forming the lid 6 , connected to an edge of the main section 19 which is to form the hinge 4 .
  • the main section 19 includes a front main panel 21 , a bottom panel 22 and a rear main panel 23 for forming a front wall 21 a, a bottom wall (not shown) and a rear wall 23 a of the container 2 , aligned in the aforementioned direction and delimited by transverse fold lines 5 .
  • outer and inner side main flaps 25 , 26 for forming an outer and an inner layer of each side wall of the container 2 are connected to either side of the front main panel 21 and of the rear main panel 23 .
  • the main flaps 25 , 26 are connected to their associated main panels 21 , 23 by a score line forming area 8 .
  • To each inner side main flap 26 is connected an inner bottom flap 33 by a transverse fold line 5 .
  • the inner bottom flaps 33 are members for reinforcing the bottom panel 22 , and form an inner layer of the bottom wall of the container 2 .
  • the sub-section 20 includes a rear sub-panel 27 , a top panel 28 and a front sub-panel 29 for forming a rear wall 27 a, a top wall 28 a and a front wall 29 a of the lid 6 , aligned in the aforementioned direction and delimited by transverse fold lines 5 .
  • Inner and outer side sub-flaps 30 , 31 for forming an inner and an outer layer of each side wall of the lid 6 are connected to either side of the rear sub-panel 27 and of the front sub-panel 29 .
  • the sub-flaps 30 , 31 are connected to their associated sub-panels 27 , 29 by a score line forming area 8 .
  • To each inner side sub-flap 30 is connected an inner top flap 32 by a transverse fold line 5 .
  • the inner top flaps 32 are members for reinforcing the top panel 28 , and form an inner layer of the top wall of the lid 6 .
  • the score line forming area 8 is thus provided between the front main panel 21 and the outer side main flap 25 , between the rear main panel 23 and the inner side main flap 26 , between the rear sub-panel 27 and the inner side sub-flap 30 , and between the front sub-panel 29 and the outer side sub-flap 31 , each, so that the longitudinal edges of the box 1 are all formed from the score line forming areas 8 .
  • the score lines 7 are formed in each score line forming area 8 as described above, and the resulting score-lined areas are each bent into a rounded edge.
  • the box 1 has longitudinal edges 16 , 18 each formed as a rounded edge.
  • the blank is formed into the box 1 by folding the blank with the surface with score lines 7 outside, where each score line forming area 8 is bent utilizing the score lines 7 so that the resulting cigarette package 1 has rounded edges 16 , 18 .
  • the package 1 with the rounded edges is easy to hold and fits comfortably in the hand. While FIGS. 1 and 2 show a hinged lid package to which the present invention is applied, the present invention is applicable to a tongue lid package in a similar manner.
  • the score line forming areas 8 may include non-forming parts 34 in which the score lines 7 are not formed.
  • the score line forming area 8 provided between the rear main panel 23 and each inner side main flap 26 may include a triangular non-forming part 34 a at the bottom panel 22 -side end.
  • the score line forming area 8 provided between the rear sub-panel 27 and each inner side sub-flap 30 may include a triangular non-forming part 34 b at the top panel 28 -side end, for example.
  • the score line forming area 8 provided between the front main panel 21 and each outer side main flap 25 may include a rectangular non-forming part 34 c at the bottom panel 22 -side end, for example.
  • the score line forming method according to the present invention is applied also to the inner frame 10 .
  • a score line forming area 8 is provided between the main panel 17 and each flap 35 , and score lines 7 are formed in each score line forming area 8 in the same way as described with respect to the blank 3 .
  • the inner frame 10 has rounded edges 24 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Making Paper Articles (AREA)
US14/010,067 2011-03-25 2013-08-26 Method of forming score lines on blank, method of manufacturing package using same, and package Abandoned US20130341380A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/057286 WO2012131834A1 (ja) 2011-03-25 2011-03-25 ブランクの罫線形成方法及びこれを用いたパッケージの製造方法及びパッケージ

Related Parent Applications (1)

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PCT/JP2011/057286 Continuation WO2012131834A1 (ja) 2011-03-25 2011-03-25 ブランクの罫線形成方法及びこれを用いたパッケージの製造方法及びパッケージ

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US20130341380A1 true US20130341380A1 (en) 2013-12-26

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US (1) US20130341380A1 (ja)
EP (1) EP2689923B1 (ja)
JP (1) JP5886834B2 (ja)
WO (1) WO2012131834A1 (ja)

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KR20170104147A (ko) * 2014-12-31 2017-09-14 필립모리스 프로덕츠 에스.에이. 뚜껑 플랩이 있는 개선된 경첩 뚜껑 용기
US20180118446A1 (en) * 2015-05-27 2018-05-03 Philip Morris Products S.A. Container having improved bevelled edge
USD869270S1 (en) * 2018-04-09 2019-12-10 Japan Tobacco Inc. Packaging container
US20200254571A1 (en) * 2018-04-13 2020-08-13 Georgia-Pacific Corrugated Llc Curved panel and method of forming the same
EP2925515B1 (en) * 2012-11-28 2020-09-23 JT International S.A. Method for forming a container with rounded edges

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Publication number Priority date Publication date Assignee Title
WO2016031010A1 (ja) * 2014-08-28 2016-03-03 日本たばこ産業株式会社 ブランクの供給装置及びそれを用いたブランクの供給方法
EP3103740B1 (de) * 2015-06-12 2019-02-20 Mayr-Melnhof Karton AG Zuschnitt und daraus hergestellte dreidimensionale struktur
KR20180022662A (ko) * 2015-06-30 2018-03-06 필립모리스 프로덕츠 에스.에이. 외관이 개선된 용기
US10442607B2 (en) 2015-07-31 2019-10-15 Philip Morris Products S.A. Creased blank for forming a container with round or beveled corners
EP3225568A1 (de) * 2016-04-01 2017-10-04 A & R Carton GmbH Faltschachtel
EP3831729A4 (en) 2018-07-31 2022-05-04 Japan Tobacco Inc. APPARATUS FOR INSPECTING A SMOKING ARTICLE PACKAGING CONTAINER, APPARATUS OF MANUFACTURE AND METHOD OF MANUFACTURE
RU202163U1 (ru) * 2020-03-24 2021-02-05 Общество с ограниченной ответственностью "Центр Электронно-Лучевых Технологий" (ООО "ЦЭЛТ") Привод вращения и перемещения обрабатываемой заготовки

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