EP0120784B1 - Carton box with automatic closure and provided with a carrying handle - Google Patents

Carton box with automatic closure and provided with a carrying handle Download PDF

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Publication number
EP0120784B1
EP0120784B1 EP19840400593 EP84400593A EP0120784B1 EP 0120784 B1 EP0120784 B1 EP 0120784B1 EP 19840400593 EP19840400593 EP 19840400593 EP 84400593 A EP84400593 A EP 84400593A EP 0120784 B1 EP0120784 B1 EP 0120784B1
Authority
EP
European Patent Office
Prior art keywords
flap
box
handle
flaps
locking
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
EP19840400593
Other languages
German (de)
French (fr)
Other versions
EP0120784A1 (en
Inventor
Jean Marie Délémontey
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.)
Ferry Peter SA
Original Assignee
Ferry Peter SA
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 Ferry Peter SA filed Critical Ferry Peter SA
Publication of EP0120784A1 publication Critical patent/EP0120784A1/en
Application granted granted Critical
Publication of EP0120784B1 publication Critical patent/EP0120784B1/en
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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/46—Handles
    • B65D5/46072—Handles integral with the container
    • B65D5/46152—Handles integral with the container formed in closure flaps of a container formed by folding a blank to U-shape to form the base and opposite sides, the remaining sides being formed by extensions of these opposite sides

Definitions

  • the present invention relates to a cardboard box with automatic locking, provided with a carrying handle.
  • Cardboard boxes are known which are produced from a cut and grooved blank comprising end to end successive panels intended to constitute, after folding, the different walls of the box.
  • This blank consists of one or more fluted sheets sandwiched between two sheets of kraft paper, one of which is bleached and forms the outside of the box.
  • a self-locking cardboard box provided with a carrying handle constituted by a single blank suitably cut and grooved comprising end to end successive panels intended to form the large upper faces. and lower part of the box interconnected by a rear panel, upper and lower side flaps, a front panel, a front flap for locking and lower front side flaps, characterized in that the front panel has a double thickness handle cutout, one lower face of which remains attached after folding to said front panel and the other upper face of which remains attached after folding to a locking flap when the latter is separated from the front panel, said locking flap being kept locked against the front panel by means of two tabs shaped on either side of the handle during the formation thereof, and ra lower front side flaps, said handle then being engaged in a slot in the front flap.
  • This device allows the execution of the handle in the same surface of cardboard and avoids the need for an attached handle whose industrial cost of execution is higher. Furthermore, the double thickness of the handle gives it good rigidity and good tear resistance under the action of the contents of the box.
  • the improved box according to the present invention has a locking device which avoids having to resort to other complementary closing actions, for example the use of adhesive tapes or glues.
  • This device is characterized in that said tabs have tenons which are engaged in cutouts provided in the large lower face and in that the front flap has lateral lugs which are engaged in cutouts provided in the lower front flaps and which ensure a total lock of the box.
  • the lateral lugs ensure effective locking of the closure of the box and allow several unlocking and locking operations on this same box, without altering the robustness of this box and the effectiveness of the closure.
  • the blank intended to form the box according to the invention is cut for example from a sheet of cardboard made up of one or more fluted sheets and glued in sandwich between two sheets of paper kraft, one of which is bleached, constitutes the outside of the box.
  • This single blank suitably cut and grooved comprises end to end successive panels intended to constitute the large upper face 1 and a large lower face 2 of the box, connected together by a rear panel 3 separated from the upper face 1 by a pre-perforation. 4 used for folding and possible separation of the upper face 1, said rear panel 3 being folded along a crease line 5 relative to the lower face 2.
  • upper lateral flaps 6 folded around creasing lines relative to said upper face.
  • rear flaps 7 are provided on either side of the rear panel 3
  • lower lateral flaps 8 are provided on either side of the lower face 2, creasing lines 9 used for folding flaps 8 with respect to the underside 2.
  • the flaps 8 are extended by lower front side flaps 10 located on either side of a front face panel 11 extending the lower face 2. Cut-outs 26 are provided between the flaps 8 and 10.
  • the upper face 1 is extended by a front flap 12 capable of being folded along a creasing line 13, and said flap has a slot 14 for the passage of a handle 27 which will be described later.
  • lateral closing lugs 15 On either side of the front flap 12 are provided lateral closing lugs 15 which have a rounded shape and a locking notch 16 (FIG. 2).
  • the front face panel 11 has a handle cutout 27 double thickness of which a lower face 17 remains attached after folding to the panel 11 and whose other upper face 18 remains attached after folding to a blocking flap 19 which is connected by a cutting line 20 to the front face panel 11, said upper face 18 of the handle 27 can be folded relative to the flap 19 along a crease line 21.
  • the faces of the handle have crease lines 22 used for folding the two faces of the handle on itself in order to reduce the size of the box and the front panel has crease lines 23 serving the folding of the front face 11.
  • the flap 19 is folded back and engaged behind the front face panel 11 (FIG. 3b) which is folded perpendicular to the large underside 2.
  • the front side flaps 10 are folded against the locking flap 19 at the same time as the flaps 8 are folded perpendicular to the large underside 2.
  • the tabs 11a, 11b of the front face 11, formed during of the separation of the handle 27 and the flap 19, are folded behind the flap 19 and the pins 25 are engaged in the cutouts 24 provided in the large lower face 2. This gives a locked front face and comprising a double handle 27.
  • the large upper face 1 is folded along lines 4, 5 (FIG. 3d) with a view to closing the box and the handle 27 is engaged in the slot 14 of the front flap 12, thus ensuring a lock the box.
  • this box is intended in particular for the field of making and packaging of continuous or sheet prints, intended for the use of data processing and its derivatives, but it can be provided for '' other areas too.

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

Description

La présente invention a pour objet une boîte en carton à verrouillage automatique, munie d'une poignée de transport.The present invention relates to a cardboard box with automatic locking, provided with a carrying handle.

On connaît des boîtes en carton réalisées à partir d'un flan découpé et rainé comportant bout à bout des panneaux successifs destines à constituer, après pliage, les différentes parois de la boîte. Ce flan est constitué d'une ou plusieurs feuilles cannelées et collées en sandwich entre deux feuilles de papier kraft, dont l'une blanchie constitue la face extérieure de la boîte.Cardboard boxes are known which are produced from a cut and grooved blank comprising end to end successive panels intended to constitute, after folding, the different walls of the box. This blank consists of one or more fluted sheets sandwiched between two sheets of kraft paper, one of which is bleached and forms the outside of the box.

Pour assurer le transport de la boîte, celle-ci comporte dans certains cas une poignée double, mais il est alors nécessaire d'utiliser un système de poignée rapportée dont le coût industriel d'exécution est assez important.To ensure the transport of the box, it has in some cases a double handle, but it is then necessary to use an attached handle system whose industrial cost of execution is quite high.

Dans le US-A-2 115 782, il est décrit une boîte en carton à verrouillage automatique munie d'une poignée de transport constituée par un flan unique convenablement découpé et rainé comportant bout à bout des panneaux successifs destinés à former les grandes faces supérieure et inférieure de la boîte reliées entre elles par un panneau arrière, des rabats latéraux supérieur et inférieur, un panneau de face avant, un rabat avant servant au verrouillage et des rabats latéraux avant inférieurs, caractérisée en ce que le panneau de face avant présente une découpe de poignée double épaisseur dont une face inférieure reste attachée après pliage audit panneau de face avant et dont l'autre face supérieure reste attachée après pliage à un rabat de blocage lorsque celui-ci est séparé du panneau de face avant, ledit rabat de blocage étant maintenu verrouillé contre le panneau de face avant au moyen de deux pattes conformées de part et d'autre de la poignée lors de la formation de celle-ci, et des rabats latéraux avant inférieurs, ladite poignée étant ensuite engagée dans une lumière pratiquée dans le rabat avant.In US-A-2 115 782, there is described a self-locking cardboard box provided with a carrying handle constituted by a single blank suitably cut and grooved comprising end to end successive panels intended to form the large upper faces. and lower part of the box interconnected by a rear panel, upper and lower side flaps, a front panel, a front flap for locking and lower front side flaps, characterized in that the front panel has a double thickness handle cutout, one lower face of which remains attached after folding to said front panel and the other upper face of which remains attached after folding to a locking flap when the latter is separated from the front panel, said locking flap being kept locked against the front panel by means of two tabs shaped on either side of the handle during the formation thereof, and ra lower front side flaps, said handle then being engaged in a slot in the front flap.

Ce dispositif permet l'exécution de la poignée dans la même surface de carton et évite de recourir à une poignée rapportée dont le coût industriel d'exécution est plus important. Par ailleurs, la double épaisseur de la poignée confère à celle-ci une bonne rigidité et une bonne résistance au déchirement sous l'action du contenu de la boîte.This device allows the execution of the handle in the same surface of cardboard and avoids the need for an attached handle whose industrial cost of execution is higher. Furthermore, the double thickness of the handle gives it good rigidity and good tear resistance under the action of the contents of the box.

Pourtant ce dispositif ne permet pas d'obtenir une fermeture efficace et pratique de la boîte.However, this device does not allow an efficient and practical closure of the box.

La boîte améliorée selon la présente invention possède un dispositif de verrouillage qui évite d'avoir recours à d'autres actions complémentaires de fermeture, par exemple l'emploi de rubans adhésifs ou de colles.The improved box according to the present invention has a locking device which avoids having to resort to other complementary closing actions, for example the use of adhesive tapes or glues.

Ce dispositif est caractérisé en ce que lesdites pattes présentent des tenons qui sont engagés dans des découpes prévues dans la grande face inférieure et en ce que le rabat avant présente des ergots latéraux qui sont engagés dans des découpes prévues dans les rabats avant inférieurs et qui assurent un verrouillage total de la boîte.This device is characterized in that said tabs have tenons which are engaged in cutouts provided in the large lower face and in that the front flap has lateral lugs which are engaged in cutouts provided in the lower front flaps and which ensure a total lock of the box.

Ainsi les ergots latéraux assurent un verrouillage efficace de la fermeture de la boîte et autorisent plusieurs opérations de déverrouillage et de verrouillage sur cette même boîte, sans altérer la robustesse de cette boîte et l'efficacité de la fermeture.Thus, the lateral lugs ensure effective locking of the closure of the box and allow several unlocking and locking operations on this same box, without altering the robustness of this box and the effectiveness of the closure.

D'autres caractéristiques et avantages de l'invention seront mieux compris à la lecture de la description qui va suivre d'un mode de réalisation et en se référant aux dessins annexés, sur lesquels :

  • La figure 1 est une vue en plan du flan découpé et pourvu de ses lignes de pliures ;
  • la figure 2 est une vue en plan à plus grande échelle d'un ergot latéral ;
  • les figures 3a à 3f sont des vues en perspective des diverses phases de montage de la boîte suivant l'invention.
Other characteristics and advantages of the invention will be better understood on reading the following description of an embodiment and with reference to the appended drawings, in which:
  • Figure 1 is a plan view of the blank cut and provided with its fold lines;
  • Figure 2 is an enlarged plan view of a side lug;
  • Figures 3a to 3f are perspective views of the various stages of mounting the box according to the invention.

Le flan destiné à former la boîte conforme à l'invention, tel qu'il est représenté à la figure 1, est découpé par exemple dans une feuille de carton constituée d'une ou plusieurs feuilles cannelées et collées en sandwich entre deux feuilles de papier kraft, dont l'une blanchie constitue la face extérieure de la boîte. Ce flan unique, convenablement découpé et rainé comporte bout à bout des panneaux successifs destinés à constituer la grande face supérieure 1 et une grande face inférieure 2 de la boîte, reliées entre elles par un panneau arrière 3 séparé de la face supérieure 1 par une préperforation 4 servant au pliagé et la séparation éventuelle de la face supérieure 1, ledit panneau arrière 3 étant replié suivant une ligne de rainage 5 par rapport à la face inférieure 2.The blank intended to form the box according to the invention, as shown in FIG. 1, is cut for example from a sheet of cardboard made up of one or more fluted sheets and glued in sandwich between two sheets of paper kraft, one of which is bleached, constitutes the outside of the box. This single blank, suitably cut and grooved comprises end to end successive panels intended to constitute the large upper face 1 and a large lower face 2 of the box, connected together by a rear panel 3 separated from the upper face 1 by a pre-perforation. 4 used for folding and possible separation of the upper face 1, said rear panel 3 being folded along a crease line 5 relative to the lower face 2.

De part et d'autre de la face supérieure 1 sont prévus des rabats latéraux supérieurs 6 repliablés autour de lignes de rainage par rapport à ladite face supérieure.On either side of the upper face 1 are provided upper lateral flaps 6 folded around creasing lines relative to said upper face.

De la même manière, des rabats arrière 7 sont prévus de part et d'autre du panneau arrière 3, et des rabats latéraux inférieurs 8 sont prévus de part et d'autre de la face inférieure 2, des lignes de rainage 9 servant au pliage des rabats 8 par rapport à la face inférieure 2.Likewise, rear flaps 7 are provided on either side of the rear panel 3, and lower lateral flaps 8 are provided on either side of the lower face 2, creasing lines 9 used for folding flaps 8 with respect to the underside 2.

Les rabats 8 sont prolongés par des rabats latéraux avant inférieurs 10 situés de part et d'autre d'un panneau de face avant 11 prolongeant la face inférieure 2. Des découpes 26 sont prévues entre les rabats 8 et 10.The flaps 8 are extended by lower front side flaps 10 located on either side of a front face panel 11 extending the lower face 2. Cut-outs 26 are provided between the flaps 8 and 10.

Par ailleurs, la face supérieure 1 est prolongée par un rabat avant 12 susceptible d'être replié suivant une ligne de rainage 13, et ledit rabat présente une lumière 14 pour le passage d'une poignée 27 qui sera décrite ultérieurement.Furthermore, the upper face 1 is extended by a front flap 12 capable of being folded along a creasing line 13, and said flap has a slot 14 for the passage of a handle 27 which will be described later.

De part et d'autre du rabat avant 12 sont prévus des ergots latéraux de fermeture 15 qui présentent une forme arrondie et une encoche 16 de verrouillage (figure 2).On either side of the front flap 12 are provided lateral closing lugs 15 which have a rounded shape and a locking notch 16 (FIG. 2).

. Le panneau de face avant 11 présente une découpe de poignée 27 double épaisseur dont une face inférieure 17 reste attachée après pliage au panneau 11 et dont l'autre face supérieure 18 reste attachée après pliage à un rabat de blocage 19 qui est relié par une ligne de découpe 20 au panneau de face avant 11, ladite face supérieure 18 de la poignée 27 pouvant être repliée par rapport au rabat 19 suivant une ligne de rainage 21.. The front face panel 11 has a handle cutout 27 double thickness of which a lower face 17 remains attached after folding to the panel 11 and whose other upper face 18 remains attached after folding to a blocking flap 19 which is connected by a cutting line 20 to the front face panel 11, said upper face 18 of the handle 27 can be folded relative to the flap 19 along a crease line 21.

Par ailleurs, les faces de la poignée présentent des lignes de rainage 22 servant au pliage des deux faces de la poignée sur elle-même en vue de diminuer l'encombrement de la boîte et le panneau de face avant présente des lignes de rainage 23 servant au pliage de la face avant 11.Furthermore, the faces of the handle have crease lines 22 used for folding the two faces of the handle on itself in order to reduce the size of the box and the front panel has crease lines 23 serving the folding of the front face 11.

Enfin, il est prévu entre la face supérieure 2 et la face avant 11 des découpes 24 servant au blocage des tenons 25 de la face avant 11.Finally, there are provided between the upper face 2 and the front face 11 cutouts 24 serving for blocking the pins 25 of the front face 11.

Pour le montage de la boîte suivant l'invention, on procède de la manière suivante :

  • Comme représenté à la figure 3a on détache le rabat de blocage 19 du panneau de face avant 11 suivant la ligne de découpe 20, ainsi que les faces supérieure 18 et inférieure 17 de la poignée 27 qui sont repliées sur elles-mêmes.
For the assembly of the box according to the invention, the procedure is as follows:
  • As shown in FIG. 3a, the blocking flap 19 is detached from the front face panel 11 along the cutting line 20, as well as the upper 18 and lower 17 faces of the handle 27 which are folded back on themselves.

Dans la phase suivante, le rabat 19 est replié et engagé derrière le panneau de face avant 11 (figure 3b) qui est replié perpendiculairement par rapport à la grande face inférieure 2.In the next phase, the flap 19 is folded back and engaged behind the front face panel 11 (FIG. 3b) which is folded perpendicular to the large underside 2.

Comme représenté à la figure 3c, les rabats latéraux avant 10 sont repliés contre le rabat de bloéage 19 en même temps que les rabats 8 sont repliés perpendiculairement à la grande face inférieure 2. Les pattés 11a, 11b de la face avant 11, formées lors de la séparation de la poignée 27 et du rabat 19, sont repliées derrière le rabat 19 et les tenons 25 sont engagés dans les découpes 24 prévues dans la grande face inférieure 2. On obtient ainsi une face avant verrouillée et comportant une poignée double 27.As shown in Figure 3c, the front side flaps 10 are folded against the locking flap 19 at the same time as the flaps 8 are folded perpendicular to the large underside 2. The tabs 11a, 11b of the front face 11, formed during of the separation of the handle 27 and the flap 19, are folded behind the flap 19 and the pins 25 are engaged in the cutouts 24 provided in the large lower face 2. This gives a locked front face and comprising a double handle 27.

Au cours de la phase suivante la grande face supérieure 1 est repliée suivant les lignes 4, 5 (figure 3d) en vue de la fermeture de la boîte et la poignée 27 est engagée dans la lumière 14 du rabat avant 12, assurant ainsi une partie du verrouillage de la boîte.During the following phase, the large upper face 1 is folded along lines 4, 5 (FIG. 3d) with a view to closing the box and the handle 27 is engaged in the slot 14 of the front flap 12, thus ensuring a lock the box.

Enfin, l'engagement des ergots 15 après repliement dans les découpes 26 (figures 3e et 3f) assure la fermeture définitive de la boîte et son verrouillage.Finally, the engagement of the pins 15 after folding in the cutouts 26 (Figures 3e and 3f) ensures the final closure of the box and its locking.

L'utilisation de cette boîte est prévue notamment pour le domaine de la confection et de l'emballage d'imprimés en continu ou en feuilles, destinés à l'usage de l'informatique et de ses dérivés, mais elle peut être prévue pour d'autres domaines également.The use of this box is intended in particular for the field of making and packaging of continuous or sheet prints, intended for the use of data processing and its derivatives, but it can be provided for '' other areas too.

Bien entendu, l'invention n'est pas limitative et l'homme de l'art pourra y apporter des modifications sans sortir pour cela du domaine de l'invention, défini par les revendications suivantes.Of course, the invention is not limiting and those skilled in the art can make modifications to it without departing from the scope of the invention, defined by the following claims.

Claims (2)

1. Cardboard box with automatic locking means, equipped with a carrying handle constituted by one suitably cut and grooved flap, comprising successive end-to-end panels designed to form the large upper (1) and lower (2) faces of the box, said faces being joined up via a rear panel (3), upper (6) and lower (8) side flaps, a front face panel (11), a front flap (12) used for locking and lower front side-flaps (10), the front face panel (11) having a handle-cut flap (27) of double thickness, one lower face (17) of which remains attached to said front face panel (11) after folding, whereas the other upper face (18) remains attached after folding to a locking flap (19) when the latter is separated from the front face panel (11), said locking flap (19) being held in locked position against the front face panel (11) by way of two tabs (lla, 11b) which are formed on either side of the handle when this is formed, and of lower front side-flaps.(10), said handle (27) being thereafter engaged in a slot (14) made in the front flap (12), characterized in that - the tabs (11 a, 11 b) have tenons (25) which are engaged in slots (24) provided in the lower large face (2) and in that the front flap (12) presents side stubs (15) which are engaged in slots (26) provided in the lower front flaps (10) and ensure the complete fastening of the box.
2. Box according to claim 1, characterized in that the side stubs (15) are of rounded shape with a notch (16) for locking the stub in the slot of the front flap.
EP19840400593 1983-03-23 1984-03-23 Carton box with automatic closure and provided with a carrying handle Expired EP0120784B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8304765A FR2543107B1 (en) 1983-03-23 1983-03-23 CARTON BOX WITH AUTOMATIC LOCKING, PROVIDED WITH A TRANSPORT HANDLE
FR8304765 1983-03-23

Publications (2)

Publication Number Publication Date
EP0120784A1 EP0120784A1 (en) 1984-10-03
EP0120784B1 true EP0120784B1 (en) 1987-01-21

Family

ID=9287144

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840400593 Expired EP0120784B1 (en) 1983-03-23 1984-03-23 Carton box with automatic closure and provided with a carrying handle

Country Status (3)

Country Link
EP (1) EP0120784B1 (en)
DE (1) DE3462115D1 (en)
FR (1) FR2543107B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2841218B1 (en) * 2002-06-19 2004-07-23 Cartonnages Tech CARRIAGE HANDLE BASED ON CARDBOARD INITIALLY FOLDED AND SHAPED BY SIMPLE FOLDING

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2115782A (en) * 1936-12-12 1938-05-03 Ersel C Mulnix Box
US2354600A (en) * 1941-08-22 1944-07-25 Kretchmer Murray Folding box
FR1274610A (en) * 1960-09-14 1961-10-27 Allard & Fils One-piece suitcase box with handle, possibly forming a display

Also Published As

Publication number Publication date
FR2543107B1 (en) 1986-05-30
FR2543107A1 (en) 1984-09-28
EP0120784A1 (en) 1984-10-03
DE3462115D1 (en) 1987-02-26

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