EP1174352A1 - Schachtel mit einem Klappdeckel und Zuschnitt dafür - Google Patents

Schachtel mit einem Klappdeckel und Zuschnitt dafür Download PDF

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Publication number
EP1174352A1
EP1174352A1 EP01401547A EP01401547A EP1174352A1 EP 1174352 A1 EP1174352 A1 EP 1174352A1 EP 01401547 A EP01401547 A EP 01401547A EP 01401547 A EP01401547 A EP 01401547A EP 1174352 A1 EP1174352 A1 EP 1174352A1
Authority
EP
European Patent Office
Prior art keywords
panels
main panel
main
cover
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.)
Withdrawn
Application number
EP01401547A
Other languages
English (en)
French (fr)
Inventor
Benoít Cousin
Philippe Lepretre
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.)
J TREILLET SA
DS Smith Packaging Atlantique SAS
Original Assignee
J TREILLET SA
SCA Emballage France SAS
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 J TREILLET SA, SCA Emballage France SAS filed Critical J TREILLET SA
Publication of EP1174352A1 publication Critical patent/EP1174352A1/de
Withdrawn legal-status Critical Current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
    • B65D5/64—Lids
    • B65D5/66—Hinged lids
    • B65D5/6685—Hinged lids formed by extensions hinged to the upper edge of a container body formed by erecting a blank to U-shape

Definitions

  • the present invention relates to a cut blank can be stored and delivered flat, allowing constitute, by folding without gluing, a body box of box and cover hinged on said body. He will be able to be filing or archiving boxes, or any other similar storage or storage box in a any area.
  • Document US-A-2,396,310 thus describes a blank cut to form a box with hinged lid.
  • the holding the box body is ensured by gluing a flap lateral, which complicates the realization of the box.
  • the cover is obtained by cutting flap and a complex fold along several lines of folding. Such a structure consumes a lot of cardboard for the volume of box obtained.
  • Document FR-A-2 294 920 also describes a box with hinged lid which is held by collage of flaps.
  • GB-A-1 438 500 also describes a hinged lid box whose body has an outfit secured by gluing a side flap. The holding of cover is provided by folded triangular flaps.
  • the blank cut to form the box by folding without gluing, conventionally comprises on the one hand first and second main panels arranged on one side and on the other side of a narrower central panel intended for become respectively the front and rear walls of the box body, each of these main panels being laterally extended by secondary panels substantially the same length as the central panel, and on the other hand the third and fourth main panels directly extending the second main panel and intended to become the upper walls and front cover.
  • first and second main panels arranged on one side and on the other side of a narrower central panel intended for become respectively the front and rear walls of the box body, each of these main panels being laterally extended by secondary panels substantially the same length as the central panel, and on the other hand the third and fourth main panels directly extending the second main panel and intended to become the upper walls and front cover.
  • the hinged covers are always constituted by two planar elements articulated together without defined shape, and of course without mechanical strength.
  • the fourth main panel of the hinged cover does not thus constitutes in practice that a simple lip terminal slipping at least partly behind the free edge of the front wall of the box body, optionally with recessed central tab provided for this purpose.
  • Another drawback is the relatively large dimensioning of the cut blank for obtain, after folding without gluing, a box parallelepiped in closed position, of dimensions determined.
  • the object of the present invention is to design a cut blank to form, by folding without collage, a box with box body and hinged lid on said body whose mechanical strength, and in particular that of the hinged lid is excellent, thanks to a cut optimizing the amount of material used.
  • a blank cut to form, by folding without collage, a box with box body and hinged lid on said body comprising on the one hand first and second main panels arranged on either side of a narrower central panel and intended to become respectively the front and rear walls of the body of box, each of these main panels being extended laterally by secondary panels of substantially same width as the central panel, and on the other hand third and fourth main panels extending directly the second main panel and intended for become respectively the upper and front walls of the cover, characterized in that the secondary panels of the second main panel each have a line oblique folding defining an end flap triangular intended to cover a portion of the panel associated secondary of the first main panel, in then ensuring the holding of the mounted box body, in that the third and fourth main panels are laterally extended by flaps intended to form the side facets of the cover, and in that the flaps of the fourth main panel each have a row oblique folding defining an end flap triangular intended to cover at least partially the associated shutter of the third
  • the hinged cover once mounted, has a very satisfactory own rigidity preserving the perpendicularity of its two constituent faces (corresponding to the third and fourth panels of the cut blank).
  • the flaps triangular end panels of the secondary panels second main panel form, after assembly, an edge tilted downward from the rear wall to the front wall of the box body, which facilitates access to the containing box, especially documents or sheets in the case of an archive box or ranking.
  • the fold lines of the panels secondary of the second main panel and the lines of folding the flaps of the fourth main panel are double lines consisting of two parallel lines distant from each other by an interval at least equal to the thickness of said blank.
  • Such double lines allow a plane-on-plane folding enveloping a determined part blank without risk of tearing of the outer face of the blank.
  • the flaps of the fourth panel main have a contour of substantially square shape, with for each a fold line forming a diagonal of the corresponding square, and the flaps of the third panel main have an outline in the shape of a right triangle the hypotenuse of which forms a right angle with the said line of folding.
  • the end flaps triangular associated with the second and fourth panels main cooperate, in the folded position, with the wall of the corresponding main panel, to form means of locking strengthening the holding of the box body and cover mounted.
  • the first main panel has a free edge for two V-shaped notches at the fold lines connecting said main panel to the associated secondary panels.
  • These two V-shaped notches not only facilitate the formation of the end portions which are covered by the triangular flaps of the associated secondary panels to the second main panel, but also form a free edge of the front wall of the mounted box body which is slightly raised, so that the front wall of the cover, in closed position, can slide easily behind this free edge for the stability of closed position of the box.
  • the outline of the blank cut out generally fits into a rectangle.
  • the constituent material of said blank is the cardboard, and preferably a corrugated cardboard smooth outer walls, in order to constitute a box of filing or archiving.
  • corrugated cardboard we can predict that the corrugations of the constituent cardboard of said blank extend in the direction of the length of the rectangle.
  • the cut blank 10 comprises first of all different main panels which are interconnected by associated fold lines. We thus distinguish successively, a first main panel 11, a panel central 15 connected to the previous panel by a line of folding 16, a second main panel 12 connected to the previous panel by a fold line 17, a third main panel 13 connected to the previous panel by a fold line 18, and finally a fourth main panel 14 connected to the previous panel by a fold line 19.
  • the central panel 15 is intended to become the bottom of the box body, while the first and second panels main 11; 12 are intended to become respectively the front and rear walls of the box body.
  • the third and fourth main panels 13; 14 are intended to become the upper walls and front cover.
  • the central panel 15 and the third main panel 13 have the same width (according to a direction perpendicular to the fold lines respective) which corresponds to the depth of the box climb.
  • first and second main panels 11; 12 are laterally extended by secondary panels respectively 21; 22 which have substantially the same width that the central panel 15, said secondary panels being intended to form the side walls of the body of box.
  • the first main panel 11 is extended laterally by secondary panels 21 connected to said panel by fold lines 25.
  • the width of secondary panels 21, in one direction perpendicular to the fold lines 25, is substantially the same as that of the central panel 15, because this dimension corresponds to the depth of the box body mounted.
  • the first main panel 11 has a free edge with two V-shaped notches 33 at the level fold lines 25 connecting said main panel associated secondary panels 21. These V-shaped notches 33 delimit in particular two end portions 34 on which he will have returned later.
  • the second main panel 12 is laterally extended by secondary panels 22 connected to said panel by fold lines 26.
  • These secondary panels 22 have a fold line 27 arranged at the level of the central fold line 17, for be extended by square or rectangular shutters 28 which, after folding, come into contact face to face with the central panel 15. Note that there is no of interruption between the free edge of the flaps 28 and the edge free adjacent side panels 21. This fits as part of a material optimization research used to obtain a box of dimensions predetermined.
  • the secondary panels 22 of the second main panel 12 each have an oblique line of folding 31 defining a triangular end flap 32 which is intended to cover the aforementioned portion 34 of the associated secondary panel 21 of the first main panel 11, while ensuring the holding of the box body mounted.
  • the two fold lines 31, which are substantially at 45 °, are double lines made up of two parallel lines spaced apart by one interval at least equal to the thickness of the cut blank.
  • the presence of double fold lines eliminates any risk of tearing of the external wall of the secondary panels 22 concerned during the folding for the assembly of the box body.
  • Figure 2 illustrates a position during assembly of the box body
  • the flap triangular 32 which has been folded 180 ° around its double fold line 31 to cover the panel portion associated secondary 21 of the first main panel 11, with a snap of the tab 35 in the light 36 associated.
  • the part upper side panel 21 including the flap triangular 32 has not yet been folded down, to cover the portion 34 of the associated secondary panel 21.
  • Figure 2 we noted A box in formation and B the box body.
  • Figure 3 shows the body of box B fully assembled, and the associated hinged cover noted C during training.
  • the third and fourth main panels 13; 14 are extended laterally by flaps 23; 24 intended to form the lateral facets of the cover.
  • the flaps 24 of the fourth main panel 14 each have an oblique fold line 41 defining a triangular end flap 42 which is intended to cover at least in part the associated flap 23 of the third main panel 13, while ensuring the holding the mounted cover.
  • the flaps 24 of the fourth main panel 14 have a contour of substantially square or rectangular shape, each with a fold line 41 forming a corresponding diagonal.
  • Flaps 23 of the third main panel 13 have a contour shape triangular.
  • the flaps 24 have here a shape contour square, and the flaps 23 have a contour in the form of right triangle, the hypotenuse of which forms a right angle with the fold line 41 which is oriented at 45 °, that is to say parallel to the fold lines 31 of the panels secondary 22 mentioned above.
  • each triangular end flap 42 covering at least in part, here almost completely, the associated triangular flap 23.
  • end flaps triangular 42 associated with the fourth main panel 14 cooperate, in the folded position, with the wall of said panel main to form locking means reinforcing holding the mounted cover.
  • these triangular end flaps 42 each have a tab 45 projecting from their free upper edge, said legs coming, in the folded position of the flaps, snap into an associated light 46 formed in the wall of the fourth main panel 14 along the lines folding 30.
  • the fold lines 41 of the flaps 24 of the fourth main panel 14 are lines doubles consisting of two distant parallel lines between them by an interval at least equal to the thickness of the cut blank.
  • the cover C is finished, that is to say that the second triangular end flap 42 has in turn folded over by covering the triangular flap 23 associated, until tab 45 clicks into place corresponding light 46.
  • the box A is thus finished, and it is shown in the open position of its cover in figure 4.
  • V 33 allow both delimit the upper edge of the front wall of the box body, and also to release the portions 34 which are covered by the triangular flaps 32 after folding said flaps over 180 °.
  • the material of the cut blank is preferably cardboard, especially corrugated cardboard smooth outer walls, for example to constitute a filing or filing box.
  • the corrugations of the board extend from preferably in the direction of the length of the rectangle, so as to give satisfactory rigidity to the different shutters and panels, especially for holding mechanics of the box body and the cover over time. Indeed, for the locking parts by snap-on, repeated dismantling operations risk to weaken the functional parts concerned. If the direction of the corrugations is correctly oriented, snap tabs have their own rigidity significantly superior, and consequently preserve the reliability of the mechanical strength of the assembly.
EP01401547A 2000-07-05 2001-06-14 Schachtel mit einem Klappdeckel und Zuschnitt dafür Withdrawn EP1174352A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0008722A FR2811295A1 (fr) 2000-07-05 2000-07-05 Flan decoupe pour constitue, par pliage sans collage, une boite a couvercle articule
FR0008722 2000-07-05

Publications (1)

Publication Number Publication Date
EP1174352A1 true EP1174352A1 (de) 2002-01-23

Family

ID=8852117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01401547A Withdrawn EP1174352A1 (de) 2000-07-05 2001-06-14 Schachtel mit einem Klappdeckel und Zuschnitt dafür

Country Status (2)

Country Link
EP (1) EP1174352A1 (de)
FR (1) FR2811295A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2396310A (en) 1944-04-15 1946-03-12 Gardner Richardson Co Reclosable carton
GB1438500A (en) 1972-12-29 1976-06-09 Ashton Containers Container and blank therefor
FR2294920A1 (fr) 1974-12-18 1976-07-16 Michels Boite a fermeture par crochetage
US4252267A (en) 1980-01-07 1981-02-24 Westvaco Corporation Self locking container

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2396310A (en) 1944-04-15 1946-03-12 Gardner Richardson Co Reclosable carton
GB1438500A (en) 1972-12-29 1976-06-09 Ashton Containers Container and blank therefor
FR2294920A1 (fr) 1974-12-18 1976-07-16 Michels Boite a fermeture par crochetage
US4252267A (en) 1980-01-07 1981-02-24 Westvaco Corporation Self locking container

Also Published As

Publication number Publication date
FR2811295A1 (fr) 2002-01-11

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