EP1661813B1 - Faltschachtel, entsprechender Zuschnitt und Verfahren zum Aufrichten einer Faltschachtel - Google Patents

Faltschachtel, entsprechender Zuschnitt und Verfahren zum Aufrichten einer Faltschachtel Download PDF

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Publication number
EP1661813B1
EP1661813B1 EP20050257111 EP05257111A EP1661813B1 EP 1661813 B1 EP1661813 B1 EP 1661813B1 EP 20050257111 EP20050257111 EP 20050257111 EP 05257111 A EP05257111 A EP 05257111A EP 1661813 B1 EP1661813 B1 EP 1661813B1
Authority
EP
European Patent Office
Prior art keywords
panel
corner flap
blank
corner
side 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.)
Expired - Lifetime
Application number
EP20050257111
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English (en)
French (fr)
Other versions
EP1661813A1 (de
Inventor
Tiziana Guarini
Dietmar Pavel
Walter Ramspott
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.)
Unilever PLC
Original Assignee
Unilever PLC
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Filing date
Publication date
Application filed by Unilever PLC filed Critical Unilever PLC
Priority to EP20050257111 priority Critical patent/EP1661813B1/de
Publication of EP1661813A1 publication Critical patent/EP1661813A1/de
Application granted granted Critical
Publication of EP1661813B1 publication Critical patent/EP1661813B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • B65D5/02—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 by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0227—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 by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end closures formed by inward folding of flaps and securing them by heat-sealing, by applying adhesive to the flaps or by staples

Definitions

  • the present invention relates to a container and in particular to a container which may be formed by the automated folding of a blank.
  • Cardboard and paperboard containers are typically made in an automated process in which substantially planar blanks are folded to give the finished container.
  • the blanks are cut to have a specific outline and may also include scored lines defining fold lines and also slits, holes and perforations.
  • the blank is then folded to give a three-dimensional carton or packaging, and may involve the use of interlocking members and/or adhesives to hold its shape.
  • the blanks are designed in order to facilitate reliable and rapid assembly in an automated fashion.
  • FR 1.532.501 describes a blank according to the preamble of claim 1.
  • the present invention seeks to provide an improved container, a blank for such a container and a method for forming a container from a blank.
  • a blank for assembly into a container comprising a base panel, a first wall panel and a second wall panel; the first wall panel having a corner flap having a body portion and end portion, the end portion having a smaller width than the body portion, the body portion being separated from the end portion by a shoulder; the second wall panel having a notch in a side edge adjacent the base panel, whereby the first wall panel may be folded substantially perpendicularly to the base panel and the corner flap may be folded over such that the shoulder is retained in the notch to hold the corner flap in place.
  • the shoulder is adapted to exert a force on an edge of the notch distal from the base panel.
  • the corner flap has a second shoulder.
  • the blank further comprises a lid panel attached to the first wall panel and a third wall panel attached to the lid panel, the third wall panel having a notch in a side edge adjacent the lid panel, whereby the lid panel may be folded to be substantially parallel to the base panel and the corner flap may be folded over such that the first shoulder is retained in the notch of the second wall panel and the second shoulder may be retained in the notch of the third wall panel.
  • the corner flap has a raised area
  • the second wall panel has an aperture
  • the third wall panel has a lowered area, such that when the corner flap is retained by the notches, the second wall panel may be folded over at least a portion of the first wall panel such that the raised area, the aperture and the second lowered area are substantially aligned.
  • the blank has an arcuate corner.
  • the blank has a right-angled corner.
  • the blank has a corner of about 120°.
  • the blank has a corner of about 135°.
  • a container formed from a blank as defined above.
  • a method for assembling a container comprising the steps of providing a blank as defined above; folding the corner flap over to retain the shoulder in the notch; and folding the second wall panel over the corner flap.
  • the method comprises the steps of providing a blank as defined above, folding the corner flap over to retain the first shoulder in the notch of the second wall panel and to retain the second shoulder in the notch of the third wall panel, folding the second and third wall panels over at least a portion of the corner flap.
  • a blank 1 which is made of paperboard and which is ready for assembly into a three-dimensional carton.
  • the blank 1 is substantially planar and has been die-cut to give a specific shape, and has also been provided with indentations, apertures and fold lines which will be discussed below.
  • the blank 1 comprises a base panel 2 of substantially square shape with arcuate or rounded corners.
  • a first front panel 4 is provided along one edge of base panel 2, separated therefrom by a fold line.
  • First and second side panels 6 and 8 are provided on opposite sides of the base panel 2, separated therefrom by fold lines.
  • back panel 10 is provided, again separated from the back panel 2 by a fold line.
  • a lid panel 12 is provided on the opposite side of the back panel 10 .
  • the lid panel 12 is of substantially the same shape as the base panel 2. On the opposite side of the lid panel 12 from the back panel 10 is provided a second front panel 18, separated from the lid panel 12 by a fold line. On the remaining sides of the lid panel 12 are provided first and second side panels 14 and 16, separated therefrom by fold lines.
  • the first side panel 6 attached to the base panel 2 extends along the straight edge of the base panel 2 and is provided with two square apertures 22 and 24 positioned towards each end of the side panel 6. Retaining notches 46 and 48 are provided at each edge of the side panel 6 adjacent the base panel 2.
  • the second side panel 8 attached to the base panel 2 has two square apertures 26 and 28 provided toward each end thereof. Also, retaining notches 50 and 52 are provided at each edge of the second side panel 8 adjacent the base panel 2. Those notches allow for a proper positioning during folding and gluing. They particularly assist avoiding any sliding of the different parts so that the parts are aligned and correspond to the ideal rounded shape.
  • the back panel 10 extends beyond its points of attachment to the base panel 2 at each edge, to a distance approximately the same as the distal edge of the first and second side panel 6 and 8 respectively.
  • the back panel 10 thus has a first free end 9 and a second free end 11.
  • the first free end 9 defines a first corner flap and the second free end 11 defines a second corner flap.
  • the first corner flap 9 has a body portion 62 of substantially the same width as the back panel 10. However, the corner flap 9 also has a terminal portion 64 having a reduced width as compared to the body portion 62. Also, towards the terminal edge of the corner flap 9 there is provided an indentation 30 of substantially square shape. The indentation 30 has been pressed down in relation to the remainder of the corner flap 9.
  • the second corner flap 11 of the back panel 10 has a body portion 66 and a terminal portion 68 of reduced width as compared to the body portion 66.
  • a lowered indentation of substantially square shape 32 is provided towards the terminal edge of the second corner flap 11.
  • the second front panel 18 is of similar configuration to the back panel 10.
  • the front panel 18 extends beyond the edges of the lid panel 12, to a distance substantially equal to the distal edges of the first and second side panels 14 and 16 respectively.
  • the front panel 18 has a first corner flap 17 at one end and a second corner flap 19 at the other end.
  • the first corner flap 17 has a body portion 70 of greater width than a terminal portion 72.
  • a lowered indentation 42 of substantially square shape is provided towards the terminal edge of the first corner flap 17.
  • the second corner flap 19 has a body portion 74 of greater width than a terminal portion 76.
  • a lowered indentation 44 of substantially square shape is provided towards the terminal edge of second corner flap 19.
  • the first step in the assembly of a completed carton is the folding over of the blank such that the first front panel 4 is positioned adjacent to the second front panel 18, such that the first front panel 4 is positioned within the interior of the carton thus formed.
  • the first front panel 4 is attached to the second front panel 18 by the use of an adhesive.
  • FIG. 2 The resulting situation is shown in Figure 2 , with a partially completed carton 80 having a substantially tubular shape.
  • the side panels 6, 8, 14 and 16 are not folded over and remain in substantially the same planes as the base panel 2 and lid panel 12.
  • the corner flaps 9 and 11 extend outwards in substantially the same plane as back panel 10 and corner flaps 17 and 19 extend outwards in substantially the same plane as front panel 18.
  • FIG 3 shows one corner of the partially assembled carton 80 of Figure 2 in greater detail.
  • the side panel 8 extends in substantially the same plane as base panel 2 and side panel 16 extends in substantially the same plane as lid panel 12.
  • the corner flap 19 extends upwards in the same plane as front panel 18.
  • the total width between the outer faces of base panel 2 and lid panel 12 is substantially equal to the width of the body portion 74 of the corner flap 19.
  • the width of the terminal portion 76 of the corner flap 19 is less than the internal distance between the inner faces of the base panel 2 and lid panel 12.
  • the body portion 74 of the corner panel 19 is separated and defined from the terminal portion 76 by shoulders 82 and 84 that extend inwardly from the outer edges of the corner flap 19.
  • the corner flap 19 is folded around the arcuate corner of the carton 80 such that the shoulders 82 and 84 are pushed into the notches 50 and 60 respectively. This leads to the situation shown in Figure 4 .
  • the corner flap 19 is bent over and follows the arcuate corner of the base panel 2 and lid panel 12.
  • the shoulders 82 and 84 are received within notches 50 and 60 of the side panels 8 and 16 respectively. Due to the resilient nature of the paperboard substrate, the corner flap 19 seeks to straighten itself away from the arcuate corner of the carton 80. This forces the shoulders 82 and 84 upwards into contact with the upper edge of the notches 50 and 60 respectively. This abutment holds the corner flap 19 in position around the corner of the carton 80. In the automated process, the corner flap 19 is thus folded around the corner such that the shoulders 82 and 84 engage the notches 50 and 60. The corner flap 19 is thus reliably held in place ready for the next stage in the assembly process.
  • Figure 5 shows a plan view of the carton 80 shown in Figure 4 .
  • the engagement of the shoulders 82 and 84 within the notches 50 and 60 is clearly shown.
  • the body portion 74 of the corner flap 19 is of substantially the same width as the distance from the outer surfaces of the base panel 2 and lid panel 14 respectively.
  • the terminal portion 76 of the corner flap 19 has a width less than the internal distance between the inner faces of the base panel 2 and the panel 14.
  • the next stage in assembly is the folding over of the side panel 8 along the fold line adjacent the base panel 2.
  • the resulting situation is shown in Figure 6 , with side panel 8 resting on top of the terminal portion of the corner flap 19.
  • the raised indentation 44 of the corner flap 19 is in registration with the aperture 26 in the side panel 8. In other words, the indentation 44 projects upwards into the aperture 26.
  • FIG. 7 The next stage in the assembly process is shown in Figure 7 , with the side panel 16 being folded over on top of the side panel 8.
  • the indentation 40 of the side panel 16 is in registration with the aperture 26 of side panel 8 and indentation 44 of corner flap 19.
  • the indentation 40 projects downwards into the aperture 26.
  • a small amount of adhesive is placed between the indentations 40 and 44 such that the corner of the carton 80 is held together.
  • the corner flap 19 and the side panel 16 are adhered to each other via the aperture 26 of the side panel 8.
  • all three components of the corner of the carton 80 are adhered together.
  • Figure 8 shows a cross sectional view of the situation shown in Figure 7 .
  • the layering of the three components of the corner of the carton may be clearly seen.
  • the corner flap 19 extends between the base panel 2 and lid panel 12, with the raised area 44 extending upwardly.
  • the next outer layer is side panel 8, with the aperture 26 being positioned above the raised area 44 of corner flap 19.
  • the outermost layer is side panel 16, with the lowered area 40 extending downwardly towards the aperture 26 and projection 44.
  • both corner flaps on one side of the carton 80 are assembled to give a carton having one open side.
  • Articles or products are then inserted into the carton through the one open face, with that open face then being sealed in the manner described above.
  • the resulting sealed carton 80 is shown in Figure 9 . As shown, all corners of the carton have been folded over and secured in place.
  • the corner flaps 11 and 19 have both been folded over and sealed in place beneath the side panels 8 and 16.
  • the invention may be used to form a tray-like carton that may then be covered by a lid.
  • the corner flaps initially engage only one notch to be held in place in the formation of the tray-portion of the carton.
  • the invention is particularly suitable to form arcuate or rounded corners of containers.
  • This produces cartons and the like which have an aesthetically pleasing appearance.
  • the rounded corners avoid a major problem with traditional cuboid cartons.
  • the right-angled corners of traditional cartons have a disadvantage in that they often crumple when subjected to force during manufacture, transport, display and use by the end consumer.
  • the crumpled corners can lead to contamination and/or spillage of the contents of the carton.
  • the rounded corners ensures that stacks of the carton naturally form air circulation channels where their corners meet which improves the efficiency of refrigeration.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)

Claims (8)

  1. Zuschnitt für das Zusammenfügen zu einem Behälter, wobei der Zuschnitt eine Grundplatte (2), eine hintere Platte (1) und eine Seitenplatte (6) besitzt; wobei die hintere Platte (10) eine Eckklappe (9) mit einem Körperabschnitt (62) und einem Endabschnitt (64) besitzt, wobei der Endabschnitt (64) eine kleinere Breite als der Körperabschnitt (62) aufweist, dadurch gekennzeichnet, dass der Körperabschnitt (62) von dem Endabschnitt (64) durch eine Schulter (82, 84) getrennt ist, wobei die Seitenplatte (6) in einer Seitenkante angrenzend an die Grundplatte (2) eine Kerbe (48) aufweist, wodurch die hintere Platte (10) im Wesentlichen senkrecht zu der Grundplatte (2) gefaltet werden kann und die Eckklappe (9) umgeklappt werden kann, so dass die Schulter in der Kerbe (48) zurückgehalten wird, um die Eckklappe (9) festzuhalten.
  2. Zuschnitt nach Anspruch 1, wobei die Schulter (82, 84) ausgelegt ist, eine Kraft auf eine Kante der Kerbe entfernt von der Grundplatte auszuüben.
  3. Zuschnitt nach Anspruch 1 oder 2, wobei die Eckklappe (9) eine zweite Schulter (82, 84) besitzt.
  4. Zuschnitt nach Anspruch 3, der ferner eine Deckelplatte (12), die an der hinteren Platte (14) befestigt ist, und eine Seitenplatte (14), die an der Deckelplatte befestigt ist, umfasst, wobei die Seitenplatte (14) in einer Seitenkante angrenzend an die Deckelplatte (12) eine Kerbe (54) aufweist, wobei die Deckelplatte (12) gefaltet werden kann, um im Wesentlichen parallel zu der Grundplatte (2) zu sein, und die Eckklappe (9) umgeklappt werden kann, so dass die erste Schulter (82) in der Kerbe (48) der Seitenplatte (6) zurückgehalten wird und die zweite Schulter (84) in der Kerbe (54) der Seitenplatte (14) zurückgehalten werden kann.
  5. Zuschnitt nach Anspruch 4, wobei die Eckklappe (9) einen erhöhten Bereich (30) aufweist, die Seitenplatte (6) eine Öffnung (24) aufweist und die Seitenplatte (14) einen abgesenkten Bereich (34) aufweist, so dass, wenn die Eckklappe (9) durch die Kerben (48, 54) zurückgehalten wird, die Seitenplatte (6) zumindest über einen Teil der Eckklappe geklappt werden kann und die Seitenklappe (14) zumindest über einen Teil der Seitenplatte (6) geklappt werden kann, so dass der erhöhte Bereich (30), die Öffnung (24) und der abgesenkte Bereich (3) im Wesentlichen ausgerichtet sind.
  6. Behälter, der aus einem Zuschnitt nach einem der vorhergehenden Ansprüche gebildet ist.
  7. Verfahren zum Zusammenfügen eines Behälters, das die Schritte umfasst: Bereitstellen eines Zuschnitt nach einem der Ansprüche 1 bis 5; Falten der Eckklappe (9), um die Schulter (82, 84) in der Kerbe (48) zurückzuhalten, und Falten der Seitenplatte (6) über die Eckklappe (9).
  8. Verfahren nach Anspruch 7, das die Schritte umfasst: Bereitstellen eines Zuschnitt nach Anspruch 5, Falten der Eckklappe (9), um die erste Schulter (82) in der Kerbe (48) der Seitenplatte (6) zurückzuhalten und um die zweite Schulter (84) in der Kerbe (54) der Seitenplatte (14) zurückzuhalten, und Falten der Seitenplatten (6, 14) zumindest über einen Teil der Eckklappe.
EP20050257111 2004-11-26 2005-11-17 Faltschachtel, entsprechender Zuschnitt und Verfahren zum Aufrichten einer Faltschachtel Expired - Lifetime EP1661813B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050257111 EP1661813B1 (de) 2004-11-26 2005-11-17 Faltschachtel, entsprechender Zuschnitt und Verfahren zum Aufrichten einer Faltschachtel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04257941 2004-11-26
EP20050257111 EP1661813B1 (de) 2004-11-26 2005-11-17 Faltschachtel, entsprechender Zuschnitt und Verfahren zum Aufrichten einer Faltschachtel

Publications (2)

Publication Number Publication Date
EP1661813A1 EP1661813A1 (de) 2006-05-31
EP1661813B1 true EP1661813B1 (de) 2013-09-04

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EP20050257111 Expired - Lifetime EP1661813B1 (de) 2004-11-26 2005-11-17 Faltschachtel, entsprechender Zuschnitt und Verfahren zum Aufrichten einer Faltschachtel

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Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
CN101395070B (zh) 2006-01-31 2011-11-16 印刷包装国际公司 用于容器的包装
US7762450B2 (en) 2006-02-28 2010-07-27 Graphic Packaging International, Inc. Pizza carton with curved top
GB0814012D0 (en) * 2008-07-31 2008-09-10 Meadwestvaco Packaging Systems Carton with opening and blank therefor
US20130075462A1 (en) * 2011-09-28 2013-03-28 Meadwestvaco Corporation Blank, sleeve and packaging system
GB2485077B (en) * 2011-12-08 2012-10-10 John Christopher Dabbs Point-of-sale and re-usable box packaging
WO2013130130A1 (en) * 2012-02-29 2013-09-06 Meadwestvaco Corporation Package made from sheet material
US10202228B2 (en) 2015-10-09 2019-02-12 Graphic Packaging International, Llc Carton with asymmetrical corners
US10736482B2 (en) 2016-09-30 2020-08-11 Graphic Packaging International, Llc Carton with article engagement features
WO2018211330A1 (en) * 2017-05-19 2018-11-22 Generale Biscuit Carton comprising curved corner panels being formed from a blank and method of assembling the carton
USD881690S1 (en) 2018-12-31 2020-04-21 Graphic Packaging International, Llc Carton
USD885887S1 (en) 2019-01-03 2020-06-02 Graphic Packaging International, Llc Carton
USD898565S1 (en) 2019-04-23 2020-10-13 Graphic Packaging International, Llc Carton
CA3247745A1 (en) 2022-01-28 2023-08-03 Graphic Packaging International, Llc BOX INCLUDES A DISPENSER
US20250083859A1 (en) * 2023-09-13 2025-03-13 General Mills, Inc. Stable Carton and Method of Making

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US2382368A (en) * 1941-08-07 1945-08-14 Jr Walter Mitchell Package
FR1532501A (fr) * 1967-05-29 1968-07-12 étui pliant inviolable à patte rentrante
FR2298486A1 (fr) * 1975-01-27 1976-08-20 Socar Nouvel emballage en carton ondule et procede de fabrication de cet emballage
US5263634A (en) * 1992-12-21 1993-11-23 Korine Gil J Safety carton for pizza and similar articles
US20010010326A1 (en) * 1997-02-03 2001-08-02 Alain Saulas Sealable carton
US6070790A (en) * 1997-08-06 2000-06-06 Colgate-Palmolive Company Tamper evident carton seal

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