EP0442552B1 - Ready-to-use box with doubled bottom - Google Patents

Ready-to-use box with doubled bottom Download PDF

Info

Publication number
EP0442552B1
EP0442552B1 EP19910200125 EP91200125A EP0442552B1 EP 0442552 B1 EP0442552 B1 EP 0442552B1 EP 19910200125 EP19910200125 EP 19910200125 EP 91200125 A EP91200125 A EP 91200125A EP 0442552 B1 EP0442552 B1 EP 0442552B1
Authority
EP
European Patent Office
Prior art keywords
box
panels
doubling
walls
upright
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
EP19910200125
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0442552A1 (en
Inventor
C.J. De Ron
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.)
Trimbach Verpakking BV
Original Assignee
Trimbach Verpakking BV
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 Trimbach Verpakking BV filed Critical Trimbach Verpakking BV
Publication of EP0442552A1 publication Critical patent/EP0442552A1/en
Application granted granted Critical
Publication of EP0442552B1 publication Critical patent/EP0442552B1/en
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
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/441—Reinforcements
    • B65D5/443—Integral reinforcements, e.g. folds, flaps
    • 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
    • B65D5/36—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
    • B65D5/3607—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank
    • B65D5/3635—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank by folding-up portions connected to a central panel from all sides to form a container body

Definitions

  • the invention relates to a box, also called tray to be made from a blank by folding and adhesion, comprising a bottom wall and four upright walls connected thereto by folding lines, wherein at the corners where upright walls meet, one of said walls is extended by means of a rectangular connecting flap hingedly connected thereto at one of the two sides not being opposite of the bottom wall and in one of the other upright walls a triangular connecting zone is bounded by a folding line inclined at 45°, which connecting zone after being folded back against the outside of the upright wall, which is folded back against the bottom wall, is attached by adhesion to said rectangular connecting flap and wherein at least a number of the upright box walls are provided with so-called overlap panels which are folded over against the corresponding wall panels along a folding line and are adhesively affixed thereto.
  • a ready-to-use box is a box which, by virtue of the above-described typical angle joint between the upright walls, permits these walls, while already being joined to each other, to be folded down over the bottom of the box, so that finished boxes or covers can be supplied to the user in a position taking up little space.
  • the collapsed walls need to be erected and a box is ready to be filled.
  • set-up boxes are known, which can also be formed from a blank, but which require a plurality of operations to be performed to make them ready for use, for example, setting up the side walls separately and forming angle joints by stapling, by sliding locking tabs into receiving apertures, or other manipulations taking up time that cannot usually be spared directly after the vegetables or fruit to be packed have been harvested.
  • Such a box is described in US 3 002 672. It is possible to have a box set-up machine perform these operations, but this requires additional investments.
  • boxes including those of the ready-to-use type, with angle supports, for example in the form of prismatic tubes which in the collapsed position of the box are folded flat between the collapsed side walls of the box and the bottom of the box and which, when the walls of the box are being set up, are automatically brought into the operative, prismatic form so as to contribute at the corners of the box to the capacity of the box to transmit vertical forces from the upper edge of the box to the bottom thereof.
  • angle supports for example in the form of prismatic tubes which in the collapsed position of the box are folded flat between the collapsed side walls of the box and the bottom of the box and which, when the walls of the box are being set up, are automatically brought into the operative, prismatic form so as to contribute at the corners of the box to the capacity of the box to transmit vertical forces from the upper edge of the box to the bottom thereof.
  • the stiffening that can be accomplished with such measures is limited by the bottom of the box consisting of only one layer of material and by the risk of the bottom sagging under a high vertical load.
  • the set-up box described in US 3 002 672 comprises bottom-doubling panels which are connected to overlap panels by a folding line at the side opposite to the side of the overlap panel which is connected to the upright wall.
  • bracing the bottom of the box by positioning an insert bottom in the box during the setting up of the box, which can be connected to the box by adhesion or stapling.
  • At least one of the overlap panels is connected via a folding line to a bottom-doubling panel, the opposite side edges of bottom-doubling panels being provided with suspension flaps, which are connected to the bottom-doubling panel along folding lines, which suspension flaps are adhered to the upright sidewalls with the triangular connecting zones.
  • each bottom-doubling panel is suspended from a plurality of upright walls, namely from the upright walls with the triangular connecting zones via the suspension panels just mentioned, and from the other upright walls via the overlap panels.
  • the box may have only one of the overlap panels connected to a bottom-doubling panel that has substantially the same size as the bottom wall, or two opposite overlap panels may each be connected to a bottom-doubling panel, with the doubling panels, overlapping or abutting, together covering the bottom of the box.
  • a rectangular box with longer side walls and shorter end walls first the overlap panels of the two side walls are folded inwardly over the side walls in the direction of the bottom, the or each bottom-doubling panel coming to rest on the bottom. Then the rectangular connecting flaps are folded onto the side walls and the end walls provided with the triangular connecting zones are folded down onto the bottom, already doubled, with the triangular connecting zones folded back over the rear side of these end walls. When the sidewalls are subsequently folded over the bottom, the rearwardly folded triangular connecting zones are connected by adhesion to the rectangular connecting flaps of the end walls. This renders the ready-to-use box with doubled bottom ready for delivery in collapsed position.
  • the box comprises a bottom wall 1 connected to end walls 6 and 7 and side walls 8 and 9 via folding lines 2, 3, 4 and 5. It is observed that in the present specification the terms side walls and end walls are used merely to simplify the differentiation between pairs of opposite upright walls.
  • folding lines 10 inclined at 45° are provided for bounding triangular connecting zones 11.
  • the side walls 8 and 9 are each extended by rectangular connecting flaps 13 via folding lines 12.
  • the side walls 8, 9 are each connected to an overlap panel 15 via folding lines 14. Although not essential to the invention, cut-outs 16 are shown which in the finished box form a recess in the upper edge. Also not essential to the invention are end flaps 18, which are connected to the overlap panels 15 via folding lines 17, though they contribute to an increase of strength.
  • Essential to the invention are bottom-doubling panels 20 connected to the overlap panels 15 via a folding line 19.
  • suspension panels 22 are connected to the bottom-doubling panels 20 via folding lines 21.
  • the free end edge of the bottom-doubling panels 20 is indicated at 23.
  • the first folding operation is shown in Fig. 2.
  • the overlap panel 15 having connected to it the bottom-doubling panel 20 as well as the suspension panel 22, is folded over towards the middle along folding line 14.
  • the bottom-doubling panels 20 come to lie on the bottom wall 1.
  • the two bottom-doubling panels 20 are each half the size of the bottom wall 1 and thus cover the bottom wall 1, their end edges 23 abutting each other.
  • Figs. 3 and 4 The next operations are shown in Figs. 3 and 4 and comprise, respectively, folding back the triangular connecting zones 11 against the end wall panels 6 and 7 and, further, folding inwards the assembly of the connecting flaps 13 and end flaps 18 along the folding line 17.
  • Fig. 5 shows the intermediate position thus achieved.
  • the assembly of sidewalls 8,9, overlap panels 15, connecting flaps 13 and end flaps 18 are folded towards the middle along the folding lines 2 and 4, with the connecting flaps being adhesively attached to the triangular connecting zones 11.
  • the box is ready for delivery in collapsed position.
  • Fig. 7 shows a corner of the box when the walls are being set up into the operative position. Solely for the purpose of illustrating the underlying position of the various panels, flaps, etc., in the finished box, they are shown while slightly bent apart.
  • FIG 7 shows that the bottom-doubling panels 20 at the side edges are suspended from the overlap panels 15 via the folding lines 19a. At the end edges they are also suspended, by adhesively attaching the suspension flaps 22 to the end walls 6,7. It will be clear that in this manner an extremely firm and stable box is obtained.
  • Fig. 7 shows that all surfaces turned towards the inside of the box have a reference numeral with an a added thereto, which is to say that all these surfaces in the blank of Fig. 1 are disposed on one side thereof. Accordingly, it will be sufficient to treat one surface of the blank, if the inner side of the box is to be provided with a special coating.
  • Fig. 8 differs from that according to Figs. 1-7 solely in that only one bottom-doubling panel 20 is present.
  • the bottom-doubling panels 20 each cover one half of the bottom wall 1. It is possible that in this embodiment the panels 20 are larger so that they overlap in part or in whole.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
EP19910200125 1990-01-22 1991-01-22 Ready-to-use box with doubled bottom Expired - Lifetime EP0442552B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9000154A NL9000154A (nl) 1990-01-22 1990-01-22 Paraatdoos met verdubbelde bodem.
NL9000154 1990-01-22

Publications (2)

Publication Number Publication Date
EP0442552A1 EP0442552A1 (en) 1991-08-21
EP0442552B1 true EP0442552B1 (en) 1993-10-13

Family

ID=19856462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910200125 Expired - Lifetime EP0442552B1 (en) 1990-01-22 1991-01-22 Ready-to-use box with doubled bottom

Country Status (5)

Country Link
EP (1) EP0442552B1 (da)
DE (1) DE69100486T2 (da)
DK (1) DK0442552T3 (da)
ES (1) ES2046001T3 (da)
NL (1) NL9000154A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2701925B1 (fr) * 1993-02-25 1995-11-17 Embadac Boite pliante.
NL9301225A (nl) * 1993-07-13 1995-02-01 Trimbach Verpakking Bv Tray met bodemversterking.
FR2925024B1 (fr) * 2007-12-18 2012-10-12 Finega Flan predecoupe pour la realisation d'un element d'emballage a fond renforce

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002672A (en) * 1958-10-06 1961-10-03 Crown Zellerbach Canada Ltd Stacking carton
NL8105838A (nl) * 1981-12-24 1983-07-18 Gelria Cartonnage Opvouwbare doos.

Also Published As

Publication number Publication date
NL9000154A (nl) 1991-08-16
DE69100486T2 (de) 1994-02-03
DK0442552T3 (da) 1994-02-21
ES2046001T3 (es) 1994-01-16
DE69100486D1 (de) 1993-11-18
EP0442552A1 (en) 1991-08-21

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