WO2011137044A1 - Carton - Google Patents

Carton Download PDF

Info

Publication number
WO2011137044A1
WO2011137044A1 PCT/US2011/033691 US2011033691W WO2011137044A1 WO 2011137044 A1 WO2011137044 A1 WO 2011137044A1 US 2011033691 W US2011033691 W US 2011033691W WO 2011137044 A1 WO2011137044 A1 WO 2011137044A1
Authority
WO
WIPO (PCT)
Prior art keywords
side wall
wall panel
tear strip
wall panels
top wall
Prior art date
Application number
PCT/US2011/033691
Other languages
English (en)
Inventor
Tamio Ikeda
Original Assignee
Meadwestvaco Packaging Systems, Llc
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 Meadwestvaco Packaging Systems, Llc filed Critical Meadwestvaco Packaging Systems, Llc
Publication of WO2011137044A1 publication Critical patent/WO2011137044A1/fr

Links

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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
    • B65D71/14—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers without end walls
    • B65D71/34—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers without end walls characterised by weakened lines or other opening devices
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00135—Wrapper locking means integral with the wrapper
    • B65D2571/00154—Wrapper locking means integral with the wrapper interlocked
    • B65D2571/00185—Wrapper locking means integral with the wrapper interlocked by tabs cut within one end and facing away from the other end when blank is unfolded, and co-operting with openings at the other end
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00438—Holes
    • B65D2571/00444—Holes for fingers
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00555—Wrapper opening devices
    • B65D2571/00561—Lines of weakness
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00555—Wrapper opening devices
    • B65D2571/00561—Lines of weakness
    • B65D2571/00567—Lines of weakness defining a narrow removable strip
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00555—Wrapper opening devices
    • B65D2571/00561—Lines of weakness
    • B65D2571/00574—Lines of weakness whereby contents can still be carried after the line has been torn
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00648—Elements used to form the wrapper
    • B65D2571/00654—Blanks
    • B65D2571/0066—Blanks formed from one single sheet
    • 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
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00709—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element
    • B65D2571/00716—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular without end walls

Definitions

  • the present invention relates to a carton for containing a plurality of articles such as cans, and in particular, to a zipper or tear open feature with which force applied to the carton upon lifting thereof can be prevented from affecting the zipper or tear open feature directly.
  • US Patent No. 4,318,478 discloses a carrier having a triangular tubular structure that is used for carrying a plurality of bottles.
  • the carrier has a structure in which the bottle necks are inserted through the bottom wall of the carrier and the lower edges of the bottle caps are engaged by openings in a top portion of the carrier.
  • the bottles may be removed from the carton such that a zipper consecutively formed near the openings are torn away, and the bottles are removed therefrom one at a time.
  • 2005-343469 discloses a carton having a rectangular tubular structure in which four or six cans are contained in two rows. Two finger holes are provided in the top wall panel of the tubular structure. A zipper is formed around the finger holes. The zipper is extended from one of the opposed end openings of the tubular structure to the other opening so that the carton can be opened by tearing off the zipper.
  • a conventional carton having one finger hole is illustrated.
  • the carton of Fig. 4 has a rectangular tubular structure composed of bottom wall panels 1 , side wall panels 2, and a top wall panel 3.
  • the finger hole 4 is defined proximate the center of the top wall panel 3.
  • a pair of tear lines 5 is formed around the finger hole 4 to define a zipper or tear open panel between the tear lines 5.
  • Four cans are contained in the carton which may be carried while the finger hole 4 is engaged, for example, by a thumb, and an edge of the top wall panel 3 or the side wall panel 2 is engaged by other fingers.
  • the tear lines 5 may be torn by holding and pulling a finger engaging tab 5a of the zipper.
  • the carton is adapted to hold a plurality of articles such as cans arranged such that the side walls of the articles are in contact with each other.
  • the carton has an open ended tubular structure including a pair of bottom wall panels for supporting the articles, opposed side wall panels extending from the respective side edges of the bottom wall panels and a top wall panel connecting between the upper edges of the side wall panels.
  • a handle area for carrying the tubular structure is formed at the top wall panel.
  • a tear panel or zipper is connected to the top wall panel so that it can be detached at least in part from the top wall panel.
  • the tear strip is defined by a pair of tear lines which may be broken to open the carton.
  • the tear panel emanates from an off-centered position along an end edge of the top wall panel and extends toward an adjacent one of the side wall panels, to a position spaced from that side wall panel.
  • an inwardly extending recessed portion is formed at a mid position along the end edge of the top wall panel. Users can recognize the recessed portion as a finger engaging position and would carry the carton holding the recessed portion so that the tear panel is prevented from being carelessly engaged by the users' fingers.
  • the tear panel preferably emanates from the intermediate position between the recessed portion and the adjacent side wall panel and extends to a position between the handle area and the side wall panel.
  • the tear panel can extend from the intermediate position between the recessed portion and an upper edge of the side wall panel while inclining toward the side wall panel.
  • a substantia! distance between the handle area and the tear panel is maintained so that the strength of the handle area can be maintained.
  • the structure of the handle area is not limited to one or more holes for inserting fingers but includes a belt-like or a box-like structure that may be
  • the number of the handle area may be one or more than one. When the number of the handle area is one, such a single handle area may be disposed at the center of the top wall panel. When the number of the handle area is two, such handle areas may be disposed at the opposite sides of the center of the top wall panel.
  • the number N of the articles contained in the carton may be represented by any positive integer as long as the materia! of the carton or carrier can tolerates the load of the articles of such a number.
  • the articles can be arranged in any configuration such as 1 -by, 2-by or 3-by configuration or that having a triangular, rectangular or any other polygonal horizontal cross section.
  • the tear strip or zipper has a lesser chance of being affected by the carton lifting action than convention cartons.
  • Fig. 1 is a plane view of a blank for forming a carton in accordance with a first embodiment of the present invention.
  • Fig. 2 is a perspective view of a carton formed from the blank of Fig. 1 , in which articles are contained.
  • Fig. 3 is a plane view of a blank for forming a carton in accordance with a second embodiment of the present invention.
  • FIG. 4 is a perspective view of a conventional carton.
  • a first embodiment of the present invention is described hereinafter.
  • a carton shown in Fig. 1 contains four articles as an example, the present invention is not limited to such a number of the articles. Instead, the carton of the present invention may be designed to contain, for example, one or more than one article without failing out of the scope of the present invention.
  • Fig. 1 illustrates a blank 10 which is made of foldable sheet material such as paperboard, cardboard, corrugated board, plastic sheet, paper-plastic composite sheet or a similar material.
  • the blank 10 is provided with a first bottom wall panel 11 , a second bottom wall panel 12, side wall panels 13 and a top wall panel 14 These panels 11 , 12, 13, 14 are connected together in series by fold lines 15 to 18. By folding these panels 11 to 14, the blank 10 is erected into a carton shown in Fig. 2.
  • One or more articles such as cans, bottles or bricks C may be held in the carton.
  • a plurality of locking tabs 19 are struck from the first bottom wall panel 11 and are hingedly connected to the first bottom wall panel 11 by folding lines 19a.
  • a plurality of retaining tabs 20 are struck from the second bottom wall panel 12.
  • the retaining tabs 20 define locking apertures in the second bottom wall panel 12. The locking apertures are designed for receiving the locking tabs 19 so that so received locking tabs 19 are retained in the locking apertures engaged by the retaining tabs 20 and thereby the first and second bottom wall panels 11 and 12 are secured together.
  • An anchoring flap 21 is hingedly connected to the opposite end edges of each side wall panel 13 by the fold lines 22.
  • Web panels 23 are hingedly connected to the opposite beveled end edges of each of the panels 11 , 12 and 14 along fold lines 24.
  • Each of theses web panels 13 is also hingedly connected to the adjacent anchoring flap 21 by a fold line 24.
  • a handle opening 30 (in the handle area) is formed proximate the center of the top wall panel 14.
  • a pair of opposed finger tabs 31 are hingedly connected to the perimeter of the handle opening 30 along fold lines 32.
  • the finger tabs 31 are inwardly folded and provide cushions for users' fingers so that soft hand-feel would be available when the carton is lifted by the handle opening 30.
  • Recesses 33 each defined by a smooth arched edge are formed along the opposite end edges of the top wall panel 14.
  • Each recess 33 extends from the respective end edge toward the handle opening 30.
  • a tear strip or zipper 40 defined by two substantially parallel tear lines 41 is formed next to one of the recesses 33.
  • Each tear line 41 may be a perforation, a severance line, a series of slits or cut lines or other wise a weakened line.
  • Each tear line 41 is composed of a series of V-shaped slits. The end slits are straight.
  • the second end slits 41 b may also be V- shaped; however, it is angled in the reverse direction with respect to the third slits 41 a and up.
  • the second slits 41 b prevent tearing from developing in an undesired direction outward of the tear strip 40 and facilitate tearing development in the right direction toward the next adjacent slits 41 a.
  • the tear strip 40 is disposed at an angle with respect to the adjacent side edge of the top wall panel 14 defined by the fold line 17 and extends substantially toward the fold line 17. By this means, the distance or space between the tear strip 40 and the handle opening 30 is be maintained.
  • a tear initiation tab 42 is attached to the outer end of the tear strip 40 to facilitate removal (or otherwise partial severance) of the tear strip 40 from the top wall panel 14.
  • the side wall panels 13 are folded toward the group of cans C to take substantially vertical positions in which the side wall panels 13 are in substantial contact with the side surfaces of the cans C.
  • the first and second bottom wall panels 11 , 12 are also folded 90 degrees along the fold lines 15, 18 with respect to the side wall panels 13 at almost the same time as the side wall panels 13 are folded.
  • the bottom wall panels 11 , 12 are brought into abutment on the bottoms of the cans C.
  • the first bottom wall panel 11 overlaps in part with the second bottom wall panel 12.
  • the first bottom wall panel 11 is in face contacting arrangement with the outside surface of the second bottom wall panel 12.
  • An open ended rectangular tubular structure is thus formed out of the blank 10 as shown in Fig. 2.
  • the locking tabs 19 are folded inwardly through the locking apertures of the second bottom wail panel 12 by, for example, a machine element and thereby the first and second bottom wall panels 11 , 12 are secured together to keep carton in the tubular form.
  • a complete package in which the group of cans C is loaded is shown in Fig. 2. it should be readily understood that in an alternative embodiment, the locking and retaining tabs 19, 20 may be replaced by a simple glue flap with adhesive applied on it.
  • finger or fingers are inserted into the handle opening 30, by which finger tabs 31 are thrust aside into inwardly folded positions. Then, the package is lifted by the handle opening 30 while one of the recesses 33 is engaged by another or other fingers. The other fingers may engage one of the side wall panels 13 instead of engaging with the recess 33.
  • the tear initiation tab 42 is held and pulled upward. By this means, tearing of the tear strip 40 is initiated.
  • the tear starts from both the sides of the tear initiation tab 42 and develops to the second end slit 41 b and then to the other slits 41 a continuously till the tear strip 40 is detached or severed substantially, if not completely, from the top wall panel 14.
  • the severance of the tear strip 40 loosens the carton which allows the cans to be removed at least through its open end from where the tear strip 40 has been severed.
  • the recess 33 is at the position spaced apart from the tear strip 40 so that the force applied to the carton when the carton is lifted is prevented from directly affecting the tear strip 40. Therefore, undesired tear of along the tear strip 40 can be avoided.
  • the recesses 33 are formed on the opposite sides of the handle opening 30. As such, the chance in which the tear strip 40 is carelessly engaged by finger or fingers can be effectively avoided.
  • the tear strip 40 is disposed at an angle with respect to the side edges of the top wall panel 14 and thereby maintains a substantial distance from the handle opening 30. As a result, the portion around the handle opening 30 is not weakened.
  • FIG. 3 illustrates a second embodiment of the invention in which two tear strips 40 are provided in the top wall panel 14.
  • Each tear strip 14 emanates from a position offset from the mid point along the respective end edge of the top wall panel 14 and extends at an angle toward the adjacent side edge of the top wall panel along a pathway substantially spaced from the handle opening 30.
  • the present invention is not limited to cartons provided with one or two tear strips but include cartons having more than two tear strips 40 along an end edge of any one of the primary wall panels of a tubular carton, such as a top wall panel, a side wall panel or a bottom wall panel.
  • fold line does not necessary meaning a fold line having a unitary structure within the limitation of the present invention.
  • a fold line may be a line formed, for example, of a perforation, a score line causing decreased thickness due to press embossing or a combination thereof.
  • the present invention can be applied to a carton having various arrangements of articles within the limitation of the present invention.

Abstract

L'invention porte sur un carton qui comprend une structure tubulaire à extrémité ouverte. La structure comprend un panneau de paroi supérieur (14) défini par une paire de bords latéraux opposés et une paire de bords d'extrémité opposés, une paire de panneaux de paroi latérale opposés (13) reliés respectivement, de manière articulée, aux bords latéraux opposés du panneau de paroi supérieur et s'étendant vers le bas, en direction des bords d'extrémité inférieure respectifs de celui-ci, et un panneau de paroi inférieur (12) s'étendant entre les panneaux de paroi latérale et étant reliés de manière articulée aux bords d'extrémité inférieure des panneaux de paroi latérale. La structure comprend en outre une zone de poignée (30) au moyen de laquelle le carton peut être soulevé, la zone de poignée étant formée dans le panneau de paroi supérieur, et au moins un ruban de déchirure (40) formé faisant partie du panneau de paroi supérieur. Le ou les rubans de déchirure présentent des extrémités opposées interne et externe. L'extrémité externe est située sur l'un des bords d'extrémité opposés du panneau de paroi supérieur. L'extrémité interne est disposée entre la zone de poignée, et l'un des panneaux de paroi latérale est espacé de l'autre bord d'extrémité du panneau de paroi supérieur.
PCT/US2011/033691 2010-04-30 2011-04-22 Carton WO2011137044A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010002880U JP3160972U (ja) 2010-04-30 2010-04-30 カートン
JP2010-002880U 2010-04-30

Publications (1)

Publication Number Publication Date
WO2011137044A1 true WO2011137044A1 (fr) 2011-11-03

Family

ID=44861876

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/033691 WO2011137044A1 (fr) 2010-04-30 2011-04-22 Carton

Country Status (3)

Country Link
JP (1) JP3160972U (fr)
TW (1) TW201144179A (fr)
WO (1) WO2011137044A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233483A (en) * 1963-01-07 1966-02-08 Mead Corp Method of die cutting a blank
US4318476A (en) 1980-06-24 1982-03-09 The Mead Corporation Article carrier
JP2005343469A (ja) 2004-05-31 2005-12-15 Meadwestvaco Packaging Systems Llc カートン

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233483A (en) * 1963-01-07 1966-02-08 Mead Corp Method of die cutting a blank
US4318476A (en) 1980-06-24 1982-03-09 The Mead Corporation Article carrier
JP2005343469A (ja) 2004-05-31 2005-12-15 Meadwestvaco Packaging Systems Llc カートン

Also Published As

Publication number Publication date
JP3160972U (ja) 2010-07-15
TW201144179A (en) 2011-12-16

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