EP0978371B1 - Verfahren zur Verstärkung der tragenden Seitenwand einer Steige aus Wellpappe sowie nach dem Verfahren hergestellter Artikel - Google Patents

Verfahren zur Verstärkung der tragenden Seitenwand einer Steige aus Wellpappe sowie nach dem Verfahren hergestellter Artikel Download PDF

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Publication number
EP0978371B1
EP0978371B1 EP99401918A EP99401918A EP0978371B1 EP 0978371 B1 EP0978371 B1 EP 0978371B1 EP 99401918 A EP99401918 A EP 99401918A EP 99401918 A EP99401918 A EP 99401918A EP 0978371 B1 EP0978371 B1 EP 0978371B1
Authority
EP
European Patent Office
Prior art keywords
flap
packaging
bottom wall
wall
ply
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
EP99401918A
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English (en)
French (fr)
Other versions
EP0978371A1 (de
Inventor
Claude Dixneuf
Alain Meurant
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.)
Smurfit Socar SA
Original Assignee
Smurfit Socar SA
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Filing date
Publication date
Application filed by Smurfit Socar SA filed Critical Smurfit Socar SA
Publication of EP0978371A1 publication Critical patent/EP0978371A1/de
Application granted granted Critical
Publication of EP0978371B1 publication Critical patent/EP0978371B1/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
    • B65D5/001—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 stackable
    • B65D5/0015—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 stackable the container being formed by folding up portions connected to a central panel
    • B65D5/002—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 stackable the container being formed by folding up portions connected to a central panel having integral corner posts
    • B65D5/0025—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 stackable the container being formed by folding up portions connected to a central panel having integral corner posts the corner posts being formed as a prolongation of a doubled-over extension of the side walls
    • 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0024—Making boxes 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
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/50—Construction of rigid or semi-rigid containers covered or externally reinforced
    • 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

Definitions

  • the present invention relates to a method of reinforcement of the stacking resistance of the walls carrying a corrugated packaging and a conditioning obtained by this process.
  • the flutes of the corrugated cardboard must be oriented vertically in the walls side and in the flaps and therefore the double discharge lines must be oriented in a direction perpendicular to the cardboard grooves.
  • These double delivery lines are made by marking on the cardboard blank from which the packaging comes, two very close parallel fold lines. In the packaging in the assembled state, the narrow strip defined between the two fold lines is in principle straight and contained in a horizontal plane.
  • this strip has an irregular profile, due to the fact that poorly controlled crushing of corrugated cardboard flutes on the discharge lines.
  • this band is often curled or has a certain degree of warping. It follows that when several packaging is stacked, the compression force may to exercise only on certain discrete points of the edge upper side walls. At these points, the side walls may buckle or show some fatigue which reduces its resistance to stacking.
  • the flap has a height exactly equal to that of the side wall, so that its bottom edge reaches the same level as the underside of the bottom wall. he as a result that when several packages are stacked, the side wall and the flap of each are supported on the side wall and the flap of the underlying packaging.
  • the compression force is therefore equally distributed between the side wall and the flap and is exerted uniformly on the entire length of these.
  • the invention also relates to a packaging obtained by the method described above.
  • the blank portion 20 comprises a bottom wall 22 on which a flap 24 is articulated by a fold line 26.
  • the fold line is formed on the face of the blank intended to be inside the packaging, and which is the side visible in FIG. 1.
  • the shutter has a width L which is twice the height h of the box that one wishes to make.
  • a half-cut 28 is made which cuts the cardboard over its entire thickness with the exception of the outer cover sheet 18.
  • the section 28 defines on the flap a side wall 30 articulated to the bottom wall 22 by the fold line 26 and a flap 32 which is attached to the side wall only by the line 34 not cut from the outer cover sheet 18.
  • the fold line 26 and the cut 28 are perpendicular to the direction of the grooves 35.
  • Figure 3 shows how the blank is folded: the flap 24 to bring it into position perpendicular to the bottom wall 22, by folding around the fold line 26, then fold the flap 32 outward around the connecting line 34. The flap is then glued to the face exterior of the side wall.
  • the section 28 is straight, we obtain at the upper part of the side wall and the flap a very regular, flat and horizontal cutting surface 36 on its entire length.
  • the lower edge 27 of the flap is is at exactly the same level as that of the face lower 40 of the bottom wall. It results from these two characteristics only if several packages are stacked, the compressive force is distributed equally over the side wall and the flap of each package and evenly along the length of these elements. The packaging therefore has good compressive strength higher than that of wrapped packaging internally.
  • FIG. 4 shows the blank 50 from which is made the set.
  • This blank is substantially rectangular and comprises a central bottom wall 52 of square shape or rectangular, two longitudinal walls 54, 56 articulated by fold lines 58, 60 along two sides parallels of the bottom wall and two flaps 62, 64 articulated by fold lines 66, 68 along the two other sides of the bottom wall.
  • the flaps 62, 64 have a width greater than or equal to twice that of the walls longitudinal 54, 56.
  • rectilinear slots 70, 72 and 74, 76 are formed from the two longitudinal edges of the blank, in alignment with the fold lines 66, 68 and over a distance d substantially equal to twice the width l of the longitudinal walls.
  • the flaps 62, 64 are shared by half-cut sections 78, 80, in strips 82, 84 and 86, 88 of equal width l .
  • the strips 82, 84 are separated at their ends by incisions 90, 92, the same length as the slots 70, 72.
  • the inner legs 94, 98, i.e. those associated with the band interior 82, can be folded along lines of folding 102, 104 passing through the ends of the slots 70, 72.
  • fold lines 106, 108 aligned with fold lines longitudinal 58, 60. These fold lines define at ends of legs, external fixing tabs 110, 112.
  • fold lines 114, 116 parallel to fold lines 102, 104 and which define, on both sides, corner elements 118, 120 and fixing tabs internal 122, 124.
  • U-shaped incisions are made on the band outer 84, from the half-cut section 78, from so as to release centering pins 126, 128.
  • recesses 130, 132 of shape complementary to that of pins are drilled in the inner band 82, along the transverse fold line 66. These recesses are intended to receive the pins of a packaging inferior.
  • the packaging tray is shaped as follows: we start by erecting the flaps 62, 64 perpendicular to the bottom wall 52 by folding around fold lines 66, 68, then fold the strips 84, 88 outwards, by folding around the half-cuts 78, 80 to apply against the face exterior of interior strips 82, 86. The strips outside are glued on the inside strips.
  • This tray is particularly resistant because it has two transverse load-bearing walls each formed of two cardboard thicknesses and also because the ends longitudinal walls are sandwiched between the interior tabs and exterior tabs.

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

Claims (6)

  1. Verfahren zur Verstärkung der tragenden Wandungen eines Verpackungsbehälters, der ausgehend von einem Zuschnitt (20) aus Wellkarton mit wenigstens einer kannelierten bzw. gewellten Schicht (10, 12) hergestellt wird, in welchem jede der tragenden Wandungen von einem Klapp-Aggregat (24) gebildet wird, das an der Bodenwandung (22) des Verpackungsbehälters über eine Faltungslinie (26) schwenkbar befestigt ist,
    dadurch gekennzeichnet, daß das Verfahren umfaßt:
    auf der Innenseite des Klapp-Aggregats (24) wird in im wesentlichen gleichem Abstand zwischen seinem freien Rand (27) und der genannten Faltungslinie ein geradliniger, nicht durchtrennender Schnitt (28) angebracht, welcher die gesamte Kartondicke, jedoch nicht die auf der Außenseite des Zuschnitts befindliche Deckfolie bzw. Deckschicht (18) durchschneidet, wobei dieser Schnitt zu seinen beiden Seiten einerseits eine durch die genannte Faltungslinie (26) mit der Bodenwandung (22) schwenkbar verbundene Seitenwandung (30) definiert und andererseits einen Klapp-Umschlag (32), der auf der Seitenwandung durch eine Verbindungslinie (34), welche auf der genannten äußeren Deckschicht (18) ausgebildet ist, schwenkbar ist;
    das Klapp-Aggregat (24) wird senkrecht auf der Bodenwandung (22) aufgerichtet;
    der Klapp-Umschlag (32) wird durch Verschwenken um die genannte Verbindungslinie (34) in Richtung nach außerhalb des Verpackungsbehälters gefaltet;
    der Klapp-Umschlag wird mit der Außenfläche der Seitenwandung verklebt.
  2. Verpackungsbehälter, der ausgehend von einem Zuschnitt aus Wellkarton (20) mit wenigstens einer kannelierten bzw. gewellten Schicht (10, 12) hergestellt ist und eine Bodenwandung (22) und wenigstens ein mit der Bodenwandung um eine Faltlinie (26) schwenkbar verbundenes Klapp-Aggregat (24) umfaßt,
    dadurch gekennzeichnet, daß das genannte Klapp-Aggregat (24) auf der Innenseite in im wesentlichen gleichem Abstand zwischen seinem freien Rand (27) und der Faltlinie (26) einen geradlinigen, nicht-durchtrennenden Schnitt (28) aufweist, welcher die gesamte Kartondicke, jedoch nicht die auf der Außenseite des Zuschnitts befindliche Deckschicht (18) durchschneidet, und der so eine Verbindungslinie zwischen einer Seitenwandung und einem Klapp-Umschlag definiert, wobei der Klapp-Umschlag in Richtung nach außerhalb des Verpackungsbehälters umgefaltet ist.
  3. Verpackungsbehälter nach Anspruch 2,
    dadurch gekennzeichnet, daß der untere Rand (27) des Klapp-Umschlags auf dem gleichen Niveau wie die Unterseite (40) der Bodenwandung endet.
  4. Verpackungsbehälter nach Anspruch 2, der mit einem Wellkarton hergestellt ist, welcher eine oder mehrere kannelierte Schicht bzw. Schichten (10, 12) aufweist, die miteinander durch wenigstens eine Zwischenpapierlage (14) verbunden sind und an ihren Außenseiten durch Deckschichten (16, 18) abgedeckt sind,
    dadurch gekennzeichnet, daß der nicht-durchtrennende Schnitt durch die innere Deckschicht (16), die kannelierte(n) bzw. gewellte(n) Schicht(en) (10, 12) und die Zwischenschicht oder Zwischenschichten, jedoch nicht durch die äußere Deckschicht (18) ausgeführt wird.
  5. Verpackungsbehälter nach einem der Ansprüche 2 bis 4,
    dadurch gekennzeichnet, daß er eine Bodenwandung (52) und zwei Längsseitenwandungen (54, 56) sowie zwei Quer-Seitenwandungen (82, 86) umfaßt, die an der Bodenwandung über Faltlinien (58, 60, 66, 68) schwenkbar sind, wobei jede der genannten Quer-Seitenwandungen (82, 86) durch einen Klapp-Umschlag (84) gedoppelt ist, welcher an der Quer-Seitenwandung über einen nicht-durchtrennenden Schnitt (78) schwenkbar angeordnet ist, wobei die genannte Quer-Seitenwandung (82) und der genannte Klapp-Umschlag (84) an ihren Enden mit Zungenlaschen (122, 124 und 110, 112) versehen sind, die längs Faltlinien (114, 116) faltbar sind, welche rechtwinklig zur Faltlinie (66) der genannten Quer-Seitenwandung (82) an der Bodenwandung (52) verlaufen, wobei die an die genannte Quer-Seitenwandung (82) angrenzenden Zungenlaschen (122, 124) mit der Innenseite von zwei der genannten Querwandung (82) benachbarten Längs-Seitenwandungen (54, 56) verklebt sind, während die an den Klapp-Umschlag (84) angrenzenden Zungenlaschen (110, 112) mit der Außenseite der genannten Längswandungen (54, 56) verklebt sind.
  6. Verpackungsbehälter nach Anspruch 5,
    dadurch gekennzeichnet, daß die genannte Querwandung (82) sich in innere Eckelemente (118, 120) fortsetzt, welche diagonal in den zwischen der genannten Seitenwandung und den genannten Längswandungen (54, 56) definierten Ecken des Verpackungsbehälters zu liegen kommen, und daß die genannten Eckelemente sich ihrerseits in Zungenlaschen (122, 124) fortsetzen, die mit der Innenfläche der genannten Längswandungen (54, 56) verklebt sind.
EP99401918A 1998-08-06 1999-07-27 Verfahren zur Verstärkung der tragenden Seitenwand einer Steige aus Wellpappe sowie nach dem Verfahren hergestellter Artikel Expired - Lifetime EP0978371B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9810122 1998-08-06
FR9810122A FR2782031B1 (fr) 1998-08-06 1998-08-06 Procede de renforcement des parois porteuses d'un conditionnement en carton ondule et conditionnement obtenu par ce procede

Publications (2)

Publication Number Publication Date
EP0978371A1 EP0978371A1 (de) 2000-02-09
EP0978371B1 true EP0978371B1 (de) 2002-11-20

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Application Number Title Priority Date Filing Date
EP99401918A Expired - Lifetime EP0978371B1 (de) 1998-08-06 1999-07-27 Verfahren zur Verstärkung der tragenden Seitenwand einer Steige aus Wellpappe sowie nach dem Verfahren hergestellter Artikel

Country Status (4)

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EP (1) EP0978371B1 (de)
DE (1) DE69904001T2 (de)
ES (1) ES2188113T3 (de)
FR (1) FR2782031B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU780218B2 (en) * 2000-10-25 2005-03-10 Assidoman Iberoamericana, S.A. Improved cardboard box for perishable products
EP1207111A1 (de) * 2000-11-20 2002-05-22 Assidomän Iberoamericana S.A. Pappbehälter für verderbliche Produkte
NL1018010C2 (nl) * 2001-05-07 2002-11-08 Jong Verpakking B V De Combinatie van op elkaar stapelbare, uit vellen golfkarton gevouwen rechthoekige dozen en voor een dergelijke combinatie bestemde doos.
ES2196969B1 (es) * 2001-08-21 2005-10-01 Kappa Iberoamericana, S.A. Caja de carton ondulado.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492974A (en) * 1937-04-30 1938-09-30 Thompson & Norris Mfg Company Improvements in or relating to packing cases or containers
BE1003299A7 (nl) * 1990-02-20 1992-02-18 Sca Packaging Nv Sa Stapelbaar manueel op te zetten verpakkingsbakje.

Also Published As

Publication number Publication date
FR2782031B1 (fr) 2000-11-03
EP0978371A1 (de) 2000-02-09
DE69904001T2 (de) 2003-05-08
DE69904001D1 (de) 2003-01-02
FR2782031A1 (fr) 2000-02-11
ES2188113T3 (es) 2003-06-16

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