EP0083133B1 - Zusammensklappbare Faltschachtel - Google Patents

Zusammensklappbare Faltschachtel Download PDF

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Publication number
EP0083133B1
EP0083133B1 EP19820201620 EP82201620A EP0083133B1 EP 0083133 B1 EP0083133 B1 EP 0083133B1 EP 19820201620 EP19820201620 EP 19820201620 EP 82201620 A EP82201620 A EP 82201620A EP 0083133 B1 EP0083133 B1 EP 0083133B1
Authority
EP
European Patent Office
Prior art keywords
box
walls
folding lines
foldable
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
Application number
EP19820201620
Other languages
English (en)
French (fr)
Other versions
EP0083133A3 (en
EP0083133A2 (de
Inventor
Wilhelmus Hofstede
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.)
Bv Kartonnagefabriek Gelria
Original Assignee
Bv Kartonnagefabriek Gelria
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 Bv Kartonnagefabriek Gelria filed Critical Bv Kartonnagefabriek Gelria
Publication of EP0083133A2 publication Critical patent/EP0083133A2/de
Publication of EP0083133A3 publication Critical patent/EP0083133A3/en
Application granted granted Critical
Publication of EP0083133B1 publication Critical patent/EP0083133B1/de
Expired 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
    • B65D5/005—Separate or attached stacking elements
    • B65D5/0065—Separate elements inserted in or attached to integral corner posts or ledges
    • 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
    • B65D5/3642—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 the secured corners presenting diagonal, bissecting or similar folding lines, the central panel presenting no folding line

Definitions

  • the invention relates to a foldable box with a bottom, upright side walls and upright end walls, which are connected to each other at their top ends with the aid of overlapping upright wall sections, wherein the one pair of opposed walls and their connected wall sections, overlapping the two other upright walls, are provided with striplike extensions foldable about folding lines, said folding lines being spaced apart from each other at the location of the corners of the box by an excision and wherein from the ends and from the center of said excisions vertical folding lines are provided, in such a way that in each of the corners of the box a re-entrant corner is formed with the respective corner wall sections of the box, whereas in the other pair-of upright walls from each of the bottom corner points of the box a folding line is provided, extending upwardly at an angle of approximately 45°.
  • a similar box is known from Dutch patent application 71 17806, laid open to public inspection.
  • said known foldable box the upright walls with their extensions, are folded, with their extensions lying in one plane, toward the bottom about the folding lines with the bottom, and owing to the connection between the overlapping upright wall sections and the other upright walls the latter upright walls are first folded onto the bottom and subsequently the first mentioned upright walls with their extensions are folded onto the bottom.
  • the first mentioned upright walls with their extensions have to be folded in a perpendicular position with respect to the bottom and subsequently the extensions have to be refolded onto said upright walls. So folding a used box and unfolding a folded box is cumbersome and time consuming with this known foldable box.
  • the present invention tends to abolish this disadvantage of the known foldable box.
  • strip-like extensions which are foldable about the folding lines of the one pair of opposed, upright walls, are secured in an overlapping manner on said pair of opposed walls and on the wall sections connected thereto, except at the location of the re-entrant corners.
  • the invention in which in the re-entrant corners a reinforcing member is provided, the invention is that the reinforcing member consists of a compressible support leg.
  • support legs serve to carry the weight in the event of stacked, filled boxes. Because the support leg is compressible, the leg can remain in the box when it is being folded, so that said legs need not be delivered individually, and will not get lost.
  • the compressible support leg is formed as a hollow bar, which consists of four pivotally interconnected walls.
  • the hollow bar is formed in one piece, wherein the material of the walls at the location of the pivots is thinner than that of the remaining part of the walls.
  • the blank of the foldable box of the invention illustrated in fig. 1, consists of a bottom 1, of two side walls 2 and 3, which are connected to the bottom 1 along folding lines 4, 5 respectively, and of end walls 6 and 7, which are connected to the bottom 1 along folding lines 8 and 9.
  • the side walls 2 and 3 are provided with strip-like extensions 10, 11 resp. which are connected to the side walls 2 and 3 along folding lines 12, 13 respectively.
  • the height of the extensions 10 and 11 is somewhat less than that of the side walls 2 and 3.
  • side walls 2 and 3 are provided with side wall sections 14, 15, 16, 17 respectively, which are connected to the side walls 2 and 3 along folding lines 18, 19, 20 and 21 respectively.
  • the width of the side wall sections 14,15 and 16, 17 is equal to that of the side walls 2 and 3.
  • the strip-like extensions 10 and 11 of the side walls 2, 3 respectively are provided with lips 22, 23, 24, 25 respectively, which are connected to the extensions 10 and 11 by folding lines 26, 27, 28, 29 respectively, and which are connected to the side wall sections 14, 15, 16, 17 respectively by folding lines 30, 31, 32, 33 respectively.
  • the width of the lips 22, 23 and 24, 25 is equal to that of the extensions 10 and 11.
  • excisions 34, 35 respectively are provider, and between the folding line 13 and folding lines 32 and 33 excisions 36, 37 respectively, are provided.
  • the excisions 34-37 extend over a certain length and a certain width of the extensions 10 and 11 and the lips 22, 23, 24 and 25. The function of the excisions 34-37 will be further elucidated hereinafter.
  • the folding lines 26, 27, 28 and 29 are perpendicular to the excisions 34, 35,36,37 respectively, and extend from the center of said excisions. From the end edges of the excisions 34,35,36 and 37 the folding lines 38 and 39, 40 and 41, 42 and 43, 44 and 45 respectively, are arranged, which are parallel to the folding lines 26, 27, 28, 29 respectively, and which define corner sections 10' and 22', 10" and 23', 11' and 24', 11" and 25' respectively, with the folding lines 26, 27, 28 and 29.
  • folding lines 46, 47, 48, 49 respectively, extending upwardly at an angle of ⁇ 45°, so that in the corners of the end walls 6 and 7 end wall sections 6' and 6", 7' and 7" respectively, are defined.
  • areas 14', 15', 16' and 17' respectively, hatched in dotted lines, are drawn, which are provided at the under side of the blank and which, in the event the box is folded, are located on the upper side of the end wall sections 6', 6", 7' and 7", hatched in drawn lines, as will be further elucidated hereinafter.
  • the end walls 6 and 7 are provided with a recess 50, 51 respectively, in the configuration of an elongated hole, into which the fingers for carrying the box can be inserted. Furthermore the free end edges of the side wall sections 14, 15, 16 and 17 are provided with a U-shaped recess 52, 53, 54, 55 respectively, whereas the free end edges of the lips 22, 23, 24 and 25 are provided with U-shaped recesses 56, 57, 58 and 59 respectively. In the folded box the U-shaped recesses 52-55 are placed pairwise on the U-shaped recesses 56-59 and said combinations coincide with the ends of the recesses 50 and 51, in the configuration of an elongated hole, in the end walls 6 and 7.
  • each re-entrant corner 34', 35', 36' and 37' is shorter than the internal height of the box.
  • a compressible or foldable support leg 60 is placed which is preferably formed as a hollow bar, consisting of four walls 61, 62, 63, 64, which are interconnected by pivots 65, 66, 67 and 68. At the location of the pivots 65, 66, 67 and 68 the material of the walls 61-64 towards the corner points is formed gradually thinner, as appears from fig. 8.
  • the support leg 60 is preferably formed in one piece and is for instance made of flexible synthetic material.
  • the length of the hollow bar 60 is equal to the internal height of the box, so that the upper top surface 69 is aligned with the upper surface of the box, and two adjacent walls 63 and 64 are provided with an extension 70, 71 respectively, said extensions 70 and 71 being interconnected by means of a relatively thin-walled pivot 72 (fig. 7).
  • the extensions 70 and 71 are displaced outwardly relative to their pertaining wall 63, 64 and respectively, and connected thereto in one piece by means of a square transition parts 73, 74 respectively. Said square transition parts come to lie on the upper edge of the box when inserting the support legs 60.
  • the support legs 60 serve to carry the weight of other similar boxes, placed on top of the box, when the boxes are stacked, wherein the bottom corners of an upper box are received in the corners between the extensions 70 and 71.
  • the support leg 60 preferably has a downwardly tapering cross-section, which facilitates the insertion into the re-entrant corners 34'-37'.
  • holes 75 to decrease the weight may be provided in one or more walls of the support leg.
  • the legs are also folded substantially flat by the folding of the re-entrant corners 34', 35', 36' and 37', which . is facilitated by the relatively thin material of the walls and the extensions thereof at the location of the pivots. Therefore the support legs can always remain in the re-entrant corners, so that they cannot get lost.
  • the support legs may possibly be fixedly secured in the re-entrant corners of the box by means of an adhering agent.
  • the support legs may also be made of cardboard, for instance of the same material as the box is made of.
  • the total length, i.e. the extensions included, of the support legs may be the same as the internal height of the box.
  • the extensions are aligned with the respective walls of the hollow bar of the support legs and furthermore in this embodiment the support legs of the boxes are formed with somewhat outwardly inclined end walls and side walls, so that when stacking the boxes the lower portion of an upper box is confined within the upper portion of a lower box, and the boxes in the stack "nest". Then the bottom corners rest on the top faces of the two other walls of the support leg.
  • a "tapered" embodiment of the box it is also possible to use support legs of cardboard or synthetic material without extensions at two walls thereof, which support legs would then be shorter than the internal height of the box.
  • the support legs 60 are shorter than the internal height of the box, they are preferably formed at such a length that the top face 69 of the support leg 60 is aligned with top face of the re-entrant corners 34'-37', vide figures 2 and 3. Above said top faces the so-called stack rib x is created, in which in the event of a "tapered" embodiment of the boxes the lower portion of the superimposed box can be received.
  • a cover frame (not illustrated) having a thickness x can be placed, so that the boxes can be stacked in mutual relation, i.e. they can be stacked such that the corners of the boxes are displaced relative to each other in two adjacent layers in the longitudinal direction of the boxes.
  • the boxes may for instance be stacked in a relation, similar to that according to which the bricks of a wall are placed.
  • the cover frame gives the box a considerable stability, because it cannot set anymore. Moreover the cover frame may be locked in the open upper ends of the support legs by means of members, fitting therein, and secured onto the cover frame, provided that the cover frame consists of flexible material, for instance cardboard or synthetic material.
  • the support legs may be longer than the internal height of the box, so that vent openings are formed between the boxes of a stack. Said vent openings may be necessary for instance when the boxes are filled with damp articles, for instance fruit and vegetables.
  • folding lines 76, 77 and 78, 79 respectively may be provided, which are connected to the folding lines 12, 13 respectively by means of oblique incisions 76' and 76", 77' and 77", 78' and 78", 79' and 79" respectively, vide fig. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Claims (7)

1. Zusammenklappbare Faltschachtel mit einem Boden (1), hochstehenden Seitenwänden. (6) und hochstehenden Endwänden (3), die an ihren Stirnenden mittels einander überlappender, hochstehender Wandteile (6', 14'; 6", 16'; 7', 15'; 7", 17') aneinander befestigt sind, wobei das eine Paar von gegenüberstehenden Wänden (2, 3) und die damit verbundenen Wandteile (14,15; 16, 17), die die beiden anderen hochstehenden Wände (6, 7) überlappen, um Faltlinien faltbare streifenartige Verlängerungen (14, 22; 15, 23; 16, 24; 17, 25) aufweisen, welche Faltlinien (12, 30, 31; 13, 32, 33) zur Stelle der Ecken der Schachtel durch einen Ausschnitt (34, 35, 36, 37) voneinander getrennt sind und wobei ab den Enden und ab der Mitte dieser Ausschnitte senkrechte Faltlinien (26, 38; 39; 37, 40, 41; 28, 42, 43; 29, 44, 45) vorgesehen sind, derart dass in jeder der Ecken der Schachtel mit den bezüglichen Endwandteilen der Schachtel eine einspringende Ecke (34'-37') geformt ist, während in dem anderen Paar von hochstehenden Wänden ab jedem der Bodeneckpunkte der Schachtel eine in einem Winkel von ungefähr 45° nach oben verlaufende Faltlinie (46, 49) vorgesehen ist, dadurch gekennzeichnet, dass die um die Faltlinien (12,30,31; 13,32,33) faltbaren, streifenartigen Verlängerungen (10, 22, 23; 11, 24, 25) des einen Paares von gegenüberstehenden, hochstehenden Wänden (2, 3) überlappend auf diesem Paar von gegenüberstehenden Wänden (2, 3) und den damit verbundenen Wandteilen (14, 15; 16, 17), ausgenommen zur Stelle der einspringenden Ecken (34'-37') befestigt sind.
2. Zusammenklappbare Faltschachtel nach Anspruch 1, wobei in den einspringenden Ecken (34'-37') ein Versteifungsorgan vorgesehen ist, dadurch gekennzeichnet, dass das Versteifungsorgan aus einem zusammendrückbaren Stützbein (60) besteht.
3. Zusammenklappbare Faltschachtel nach Anspruch 2, dadurch gekennzeichnet, dass das zusammendrückbäre Stützbein wie einen Hohlbalken (60), der aus vier gelenkig miteinander verbundenen Wänden (61-64) besteht, ausgeführt ist.
4. Zusammenklappbare Faltschachtel nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Hohlbalken (60) aus einem Stück besteht, wobei das Material der Wände (61-64) zur Stelle der Gelenke (65-68) dünner ist als dasjenige des restlichen Teiles der Wände.
5. Zusammenklappbare Faltschachtel nach Anspruch 4, dadurch gekennzeichnet, dass der Hohlbalken (60) aus Kunststoff gefertigt ist.
6. Zusammenklappbare Faltschachtel nach Anspruch 3, 4 oder 5, dadurch gekennzeichnet, dass die Länge des Hohlbalkens (60) der inneren Höhe der Schachtel gleich ist, und dass zwei angrenzende Wände (63, 64) eine Verlängerung (70, 71) aufweisen, welche Verlängerungen durch ein relativ dünnwandiges Gelenk (72) miteinander verbunden sind, auswärts hinsichtlich ihrer zugehörigen Wand (63, 64) versetzt und aus einem Stück damit verbunden sind.
7. Zusammenklappbare Faltschachtel nach einem der Ansprüche 3 bis einschl. 6, dadurch gekennzeichnet, dass der Hohlbalken (60) einen verjüngenden Querschnitt aufweist.
EP19820201620 1981-12-24 1982-12-17 Zusammensklappbare Faltschachtel Expired EP0083133B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8105838A NL8105838A (nl) 1981-12-24 1981-12-24 Opvouwbare doos.
NL8105838 1981-12-24

Publications (3)

Publication Number Publication Date
EP0083133A2 EP0083133A2 (de) 1983-07-06
EP0083133A3 EP0083133A3 (en) 1984-08-22
EP0083133B1 true EP0083133B1 (de) 1986-03-05

Family

ID=19838612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820201620 Expired EP0083133B1 (de) 1981-12-24 1982-12-17 Zusammensklappbare Faltschachtel

Country Status (6)

Country Link
EP (1) EP0083133B1 (de)
DE (1) DE3269751D1 (de)
DK (1) DK155648C (de)
ES (1) ES277329Y (de)
IE (1) IE54034B1 (de)
NL (1) NL8105838A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8610403U1 (de) * 1986-04-16 1986-06-05 Herzberger Papierfabrik Ludwig Osthushenrich Gmbh & Co Kg, 3420 Herzberg Vorgeklebte Aufrichteschachtel
GB2196608A (en) * 1986-10-01 1988-05-05 Reed Packaging Ltd Collapsible tray
NL9000154A (nl) * 1990-01-22 1991-08-16 Trimbach Verpakking Bv Paraatdoos met verdubbelde bodem.
NL9201068A (nl) * 1992-06-17 1994-01-17 Trimbach Verpakking Bv Platte kokervormige hoeksteunstructuur voor een paraatdoos.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286900A (en) * 1962-12-17 1966-11-22 Mead Corp Reinforced container structures
DE1957230A1 (de) * 1969-11-14 1971-05-19 Burger Karl Hans Steige zum Transport und zur Lagerung der verschiedensten Gueter
BE788932A (nl) * 1971-12-24 1973-01-15 Cartonnagefabriek Gelria Nv Samenvouwbare verpakking en plano voor een dergelijke verpakking
GB1540389A (en) * 1976-12-14 1979-02-14 Ashton Containers Tray made from a folded blank

Also Published As

Publication number Publication date
IE54034B1 (en) 1989-05-24
DK569882A (da) 1983-06-25
DE3269751D1 (en) 1986-04-10
EP0083133A3 (en) 1984-08-22
DK155648B (da) 1989-05-01
ES277329U (es) 1984-07-16
ES277329Y (es) 1986-06-01
DK155648C (da) 1989-09-25
NL8105838A (nl) 1983-07-18
EP0083133A2 (de) 1983-07-06

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