WO2006069166A1 - Carton avec dispositif d’ouverture auto-adhesive - Google Patents

Carton avec dispositif d’ouverture auto-adhesive Download PDF

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Publication number
WO2006069166A1
WO2006069166A1 PCT/US2005/046405 US2005046405W WO2006069166A1 WO 2006069166 A1 WO2006069166 A1 WO 2006069166A1 US 2005046405 W US2005046405 W US 2005046405W WO 2006069166 A1 WO2006069166 A1 WO 2006069166A1
Authority
WO
WIPO (PCT)
Prior art keywords
line
frangible
opening device
carton
collapsible
Prior art date
Application number
PCT/US2005/046405
Other languages
English (en)
Inventor
Aaron Bates
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 WO2006069166A1 publication Critical patent/WO2006069166A1/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
    • B65D71/36—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, with end walls
    • 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
    • B65D2571/00141—Wrapper locking means integral with the wrapper glued
    • 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
    • B65D2571/0045—Holes for hands
    • 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
    • B65D2571/0058—The tear line defining a dispensing aperture provided with means for preventing the articles from freely exiting the wrapper, e.g. by rolling out
    • 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
    • B65D2571/00635—Means for unlocking, e.g. for grasping and tearing the glued overlapping edge
    • 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
    • B65D2571/00722—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface
    • 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
    • B65D2571/00722—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface
    • B65D2571/00728—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface the end walls being closed by gluing

Definitions

  • This invention relates generally to cartons for packaging multiple articles such as beverage cans or bottles, and more particularly, to a carton with an article dispenser that is opened using a pressure sensitive opening device.
  • Cartons for encasing and dispensing multiple articles such as soft drink cans or bottles are useful for enabling consumers to transport, store, and access the articles for consumption.
  • the consumer typically prefers the flexibility of easily accessing the articles without reducing the ability of the carton to enclose the remaining articles.
  • some cartons have dispensers which allow one or more articles to be removed through an opening, as the carton continues to encase the remaining articles. The consumer tears out a portion of the carton to form an opening from which articles may be dispensed.
  • Beverage cartons with an article dispenser formed by a removable section are known in the art.
  • the removable section is defined by a tear line.
  • a finger flap is pressed such that a portion of the removable section is separated from the carton.
  • the removable section is gripped and pulled outwardly, which causes the tear line to break all the way down to the bottom wall.
  • the removable section is allowed to swing down together with a part of the bottom end flap, which creates an access opening through which the cans in the carton are exposed.
  • the opening is so dimensioned that at least part of the periphery of the opening serves as a can stopper that prevents the cans from undesirably rolling out of the carton through the opening.
  • the typical finger flap has been found not to be user-friendly because it is not easy to separate it from the carton wall. This is because the entire side carton wall may yield to the pressing force applied to the finger flap and, as a result, sufficient shearing stress is not induced along the tear line. Moreover, consumers such as children may not be able to apply sufficient force to initiate a tear to open the carton to retrieve an article. Furthermore, even when the finger flap successfully initiates separation of the removable section from the carton wall, the consumer must insert one or more fingers in the narrow space between that portion of the removable section and the remaining carton wall.
  • the known means for tearing the carton to form the opening can be somewhat difficult, particularly if the consumer is unable to visibly distinguish the finger flap from the remainder of the frangible line so as to find the appropriate point at which to initiate the tear.
  • a precut aperture such as an insertion flap compromises the structural integrity of the carton and increases its susceptibility to infiltration of light, moisture, and dust.
  • the present invention solves the problems identified above by advantageously reducing the effort required to open a carton dispenser to access the articles contained therein. More specifically, the various embodiments of the invention provide an improved means for opening a carton dispenser.
  • the means for opening the carton dispenser is pressure sensitive, and thus, a user simply applies pressure to break the connection between the dispenser and the remainder of the carton.
  • the configuration of the means for opening the carton dispenser reduces the amount of pressure that is required to open the dispenser without significantly degrading the integrity of the carton before and after the dispenser has been opened.
  • the invention is described in the context of a carton having a top wall, a pair of opposed side walls hingedly connected to the top wall, a bottom wall hingedly connected to the side walls, and an end wall hingedly connected to end edges of each of the side, top, and bottom walls.
  • the carton includes an article dispenser with a fully or partially removable portion that is formed from one or more of the carton walls.
  • the periphery of the removable portion is defined at least in part by a frangible line or a series of cooperating frangible lines.
  • the means for opening the carton dispenser includes an opening device for breaking the frangible line.
  • the opening device is bounded by at least a portion of the frangible line and by a pair of convergent fold lines.
  • Each of the convergent fold lines originates at or near the frangible line and converges toward the other and away from the frangible line.
  • the convergent fold lines converge toward one another, but do not necessarily meet or intersect one another.
  • the divergent ends of the convergent fold lines abut, meet, or intersect the frangible line.
  • [001O]A collapsible severance line is disposed between the convergent fold lines, effectively bisecting the triangle formed by the convergent fold lines and the frangible line.
  • One advantage of the severance line is that it reduces the amount of pressure required to break the frangible line by causing the carton to collapse inward, thereby buckling the top wall of the carton so as to exert force upon the frangible line.
  • a transverse fold line extends between the convergent fold lines, and in one embodiment is generally perpendicular to and intersects the severance line. This fold line directs externally applied pressure away from the frangible line, thereby pulling the frangible line apart.
  • the opening device also includes an elliptical score line disposed between the convergent fold lines.
  • the elliptical score line preferably has a major axis that coincides with at least part of the transverse fold line.
  • the elliptical score line provides a target by which the user can identify the appropriate point to apply pressure to open the dispenser, and further encourages breakage of the frangible line.
  • the frangible line is advantageously configured to respond to the pressure applied to open the dispenser.
  • at least a portion - A - of the frangible line is substantially weakened, such as by means of an extended cut line that may be adjacent and perpendicular to said collapsible severance line.
  • this cut line is the weakest portion of the frangible line and is configured to separate first, thereby initiating the separation of the remainder of the frangible line, which is relatively stronger.
  • the remainder of the shared portion of the frangible line that defines the opening device comprises multiple interrupted cut lines in series with one another and with the cut line.
  • Each of the cut lines is angled toward the collapsible severance line, creating a saw-tooth or zigzag tear when the frangible line is broken.
  • the angled cut lines may be continued along the entirety of the frangible line, or some other combination series of cuts, half cuts, scores, or perforations may be used to complete the periphery of the article dispenser.
  • FIG. 1 is a blank for forming an exemplary carton having an article dispenser.
  • FIG. 2 is an enlarged plan view of an opening device according to an exemplary embodiment of the invention.
  • FIG. 3 is a carton formed from the blank of FIG. 1 , the carton including the opening device of FIGs. 1 and 2.
  • FIG. 4 illustrates the application of finger pressure to activate the exemplary opening device.
  • FIG. 5 illustrates a user using the exemplary opening device to access the edge of a removable portion.
  • FIG. 6 illustrates the carton of FIG. 3 in an opened condition with the removable portion partially removed.
  • FIG. 7 illustrates the carton of FIG. 3 in an opened condition with the removable portion completely removed.
  • FIG. 1 illustrates certain of the various aspects of exemplary embodiments of a carton opening device according to the teachings of the present invention.
  • the term carton refers, for the non-limiting purpose of illustrating the various features of the invention, to a container for enclosing, carrying, and dispensing articles such as beverage cans.
  • the teachings of the invention can be applied to any container, the opening of which requires the breaking a frangible connection.
  • the foldable sheet material is typically provided as a unitary blank 100, the inside surface of which is shown in FIG. 1.
  • the blank 100 includes a bottom panel 102 hingedly connected along longitudinal fold line 103 to a first side panel 104, which is hingedly connected along fold line 106 to a top panel 108, which is hingedly connected along fold line 110 to a second side panel 112, which is hingedly connected along fold line 114 to an edge flap 116.
  • Each of the panels is hingedly connected, respectively, to end flaps 118a, 120a, 136a or end wall panels 122a, 124a, which are defined in part by respective transverse fold lines 126a, 130a, 138a, 128a, 132a disposed along one edge of the blank 100.
  • the panels may also include hinged connections to similar end flaps 118b, 120b, 136b or end wall panels 122b, 124b defined in part by transverse fold lines 126b, 130b, 138b, 128b, 132b.
  • first side panel 104 is hingedly connected to end wall panels 122a, 122b along respective fold lines 128a, 128b.
  • Top panel 108 is hingedly connected to end flaps 120a, 120b along respective fold lines 130a, 130b.
  • Second side panel 112 is hingedly connected to end wall panels 124a, 124b along respective fold lines 132a, 132b.
  • Bottom panel 102 is hingedly connected to end flaps 118a, 118b along respective fold lines 126a, 126b.
  • Edge flap 116 is hingedly connected to end flaps 136a, 136b along respective fold lines 138a, 138b.
  • the blank 100 includes a frangible line 140, which when the carton is erected, defines a removable portion T.
  • the removable portion T can have any shape, size, or orientation that is suitable for dispensing articles, and thus, the illustrated version is provided as a non-limiting example.
  • the frangible line 140 curves somewhat as it extends from the distal edge of end wall panel 122a across fold line 128a and onto side panel 104.
  • the frangible line 140 traverses a portion of side panel 104, extending longitudinally from fold line 128a toward end wall panel 122b, transversely toward bottom panel 102, longitudinally again toward end wall panel 122b, and transversely toward top panel 108.
  • the frangible line 140 crosses fold line 106 to traverse top panel 108, then crosses fold line 110 onto side panel 112.
  • the frangible line 140 extends across a portion of side panel 112 and across the length of end wall panel 124a so as to trace a mirror image of its path across side panel 104 and end wall panel 122a.
  • the exemplary removable portion T is symmetrical, although symmetry is not requisite for implementation of the systems or methods of the invention. It is contemplated that the frangible line 140 includes, but is not limited to, a line of perforations, a line of short slits, a line of half cuts, a single half cut, any combination of slits, score lines, and half cuts, or the equivalent, as will be understood by those skilled in the art.
  • FIG. 2 provides an enlarged view of the top panel 108, including the opening device 200.
  • a subsection 144 of frangible section 142 is adjacent to and defines one edge of the opening device 200 of the present invention.
  • the opening device 200 is further defined by a first fold line 202 and a second fold line 204.
  • the fold lines 202, 204 converge toward one another.
  • the direction of convergence 206 of the fold lines 202, 204 is substantially perpendicular to the subsection 144.
  • a slit, cut, half-cut, or series of slits, cuts or half-cuts form a severance line 208 that is in alignment with the direction of convergence 206.
  • the extent of the severance line 208, as defined by the depth, width, and length of the cuts or slits comprising the severance line 208, is sufficient to compensate for or negate the stiffness of the carton material when pressure is applied to the opening device 200, so as to encourage the opening device 200 to collapse inward toward the interior of the carton.
  • An additional fold line 212 extends transversely between the fold lines 202, 204, thereby directing the applied pressure away from the frangible subsection 144, which is itself placed in tension.
  • the configuration of the opening device 200 concentrates and focuses the force generated by a user pressing the opening device 200, preferably at or in the vicinity of the intersection of the severance line 208 and the fold line 212.
  • the axis of tension 210 created by this pressure preferably coincides with the direction of convergence 206.
  • the tension applied to subsection 144 also increases.
  • the tension exceeds the tear strength of the frangible subsection 144, the subsection 144 separates so as to initiate separation of the remainder of frangible line 140.
  • Elliptical score line 213 indicates the preferred pressure point for tearing subsection 144 and further promoting an inward collapse.
  • each of the fold lines in this embodiment includes, but is not limited to, a line of perforations, a score line, a line of short slits, a line of half cuts, a single half cut, any combination of slits, score lines, and half cuts, or the equivalent, as will be understood by those skilled in the art.
  • the subsection 144 includes multiple angled perforations 214 that may include any means for controllably weakening the carton, including slits, cuts, or half-cuts.
  • the perforations 214 are interrupted by ties or nicks 216 that maintain the integrity of the subsection 144 until it is desirable to initiate tearing thereof.
  • each perforation 214 is preferably determined by referencing the axis of tension 210, so that at least some of the perforations 214 comprising the top panel section 142 of the frangible line 140 are angled toward the axis of tension 210.
  • the perforation 214a at the center of the subsection 144 is preferably elongated to comprise the weakest segment of subsection 144, thereby encouraging the tear to initiate at the center of top panel 108 and to radiate toward either side panel 104, 112. This result can be intensified if the centermost perforation 214a is also centered on and perpendicular to the axis of tension 210.
  • the angle of each perforation 214 with respect to the axis of tension 210 preferably varies depending on its location with respect to the axis of tension 210.
  • the angle of perforations 214 may decrease in inverse proportion to their distance from the axis of tension 210 such that the angle of perforation 214d is less than that of the adjacent perforation 214c that is less than the angle of center perforation 214a. It is also preferred that the length of each perforation 214 varies depending on its location with respect to the axis of tension 210. For example, the length of perforations 214 may decrease in inverse proportion to their distance from the axis of tension 210 such that the length of perforation 214d is less than that of the adjacent perforation 214c that is less than the length of center perforation 214a.
  • the bottom panel 102 of the blank 100 is glued or is otherwise secured to the edge flap 116 to form the composite bottom wall 102/116 of carton 300, which is at this point open-ended and tubular.
  • End flaps 136a, 136b are secured to respective end flaps 118a, 118b to form composite end flaps 118a/136a and 118b/136b.
  • the first side panel 104 becomes the first side wall 304 of the erected carton 300.
  • the top panel 108 becomes the top wall 308, and second side panel 112 forms the second side wall 312 of the erected carton 300.
  • end flaps and end wall panels are folded and secured together to form opposing end closure structures of carton 300.
  • End wall panel 124a is secured to the inside surface of end wall panel 122a.
  • end flaps 120a, 118a/136a may optionally support the integrity of the carton 300 by being secured to end wall panel 122a and/or to end wall panel 124a.
  • the end flaps 120b, 118b/136b, and end wall panels 122b and 124b cooperate similarly to form the opposing end closure structure.
  • the end closure structures form respective end walls 302a and 302b.
  • the exemplary carton 300 illustrated in the drawings is adapted to hold a group of similarly dimensioned, cylindrical articles C (best shown in FIG. 6), in one or more vertically arranged rows.
  • the articles in each row are disposed on their sides in a side-by-side parallel fashion.
  • side walls 304 and 312 are disposed alongside the ends of the articles of the group, while each end wall 302a and 302b of the carton is disposed adjacent to the side walls of the respective endmost articles.
  • the carton 300 further comprises a suitable known handle H to allow the user to carry the carton.
  • a method for opening the exemplary article dispenser will now be described with reference to FIGs. 4 through 7.
  • a user applies downward force 400 (FIG. 4) to activate the exemplary opening device 200.
  • the force is applied between the convergent fold lines 202, 204 and the frangible subsection 144, and preferably is concentrated within the bounds of elliptical score 213.
  • the applied force 400 is preferably continuous and increases in magnitude until subsection 144 begins to tear.
  • the user can apply the force 400 by pressing with one or more fingers, or by using any implement to initiate separation of subsection 144.
  • the user inserts an implement or one or more fingers between the opening device 200 and the removable portion T so as to grasp the removable portion T.
  • the user can then break the remainder of frangible line 140 to at least partially remove removable portion T, as can be seen in FIG. 6. If desired, the removable portion T is completely removed (FIG. 7).
  • the principles of the opening device can be applied to any container that is opened by means of a frangible severance line, or to any device or method for tearing a frangible connection between disparate materials or adjacent sections of the same material.
  • the configuration, manufacture, and dimensions of cartons and articles described herein merely provide a point of reference for an understanding of an example of a suitable application for implementing the systems and methods of the invention. Accordingly, the scope of - li the present invention is described by the claims appended hereto and supported by the foregoing.

Abstract

La présente invention concerne un dispositif (200) destiné à rompre une série de perforations ou de découpes en vue d’ouvrir un carton ou de séparer des matériaux reliés par une ligne de séparation frangible (140) qui comprend une paire de lignes de plis (202, 204) qui convergent loin de la ligne de séparation, une ligne pliable (208) perpendiculaire à la ligne de séparation et entre la paire de lignes de plis et une troisième ligne de plis (212) perpendiculaire à et croisant la ligne pliable. Une déchirure le long de la ligne de séparation est initiée en appliquant une pression à proximité de l’intersection de la ligne pliable et de la troisième ligne de plis, ce qui contraint le dispositif à appliquer une tension à la ligne frangible, qui est en outre affaibli en ayant une perforation oblongue (214a) qui est centré sur l’axe de tension (210) et des perforations voisines (214b, 214c) qui sont inclines vers l’axe de tension. L’angle de chaque perforation par rapport à l’axe de tension varie de préférence selon son emplacement par rapport audit axe de tension.
PCT/US2005/046405 2004-12-20 2005-12-20 Carton avec dispositif d’ouverture auto-adhesive WO2006069166A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63782604P 2004-12-20 2004-12-20
US60/637,826 2004-12-20

Publications (1)

Publication Number Publication Date
WO2006069166A1 true WO2006069166A1 (fr) 2006-06-29

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PCT/US2005/046405 WO2006069166A1 (fr) 2004-12-20 2005-12-20 Carton avec dispositif d’ouverture auto-adhesive

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Country Link
US (1) US20060131370A1 (fr)
WO (1) WO2006069166A1 (fr)

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US7712653B2 (en) 2004-09-29 2010-05-11 Graphic Packaging International, Inc. Carton with dispenser having access features
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US20060261140A1 (en) * 2005-05-19 2006-11-23 Holley John M Jr Carton with detachable portion
WO2007013976A2 (fr) 2005-07-22 2007-02-01 Graphic Packaging International, Inc. Carton pourvu d'un élément d'ouverture et ébauche
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