EP0744349A1 - Nach Gebrauch flachfaltbare Kartonschale - Google Patents

Nach Gebrauch flachfaltbare Kartonschale Download PDF

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Publication number
EP0744349A1
EP0744349A1 EP96401035A EP96401035A EP0744349A1 EP 0744349 A1 EP0744349 A1 EP 0744349A1 EP 96401035 A EP96401035 A EP 96401035A EP 96401035 A EP96401035 A EP 96401035A EP 0744349 A1 EP0744349 A1 EP 0744349A1
Authority
EP
European Patent Office
Prior art keywords
tray
notches
faces
orifice
tray according
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.)
Ceased
Application number
EP96401035A
Other languages
English (en)
French (fr)
Inventor
Marion Szerment
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.)
ROCHETTE CENPA ONDULE
La Rochette Cenpa SA
Original Assignee
ROCHETTE CENPA ONDULE
La Rochette Cenpa 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 ROCHETTE CENPA ONDULE, La Rochette Cenpa SA filed Critical ROCHETTE CENPA ONDULE
Publication of EP0744349A1 publication Critical patent/EP0744349A1/de
Ceased 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
    • 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
    • B65D5/54—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing

Definitions

  • the invention relates to a cardboard tray, laid flat after use in a minimal number of gestures.
  • Cardboard trays are commonly used to transport products until they are put on the shelves in sales outlets. These trays generally consist of a base on which four lateral faces are articulated. Two of these faces, in general the transverse faces, carry end flaps intended to be fixed on the other faces, generally longitudinal, to constitute a rigid belt.
  • these trays can include notches and tenons, for example in the middle of their transverse faces so that the tenons of a lower tray are placed in the notches of an upper tray to guide and block the trays. relative to each other by preventing their relative displacement.
  • An object of the invention is to provide a tray capable of being laid flat after use, with a view to its storage and elimination, and requiring only a limited number of operations.
  • Another object of the invention is to provide a corrugated cardboard tray capable of receiving products whose height may vary.
  • the subject of the invention is a cardboard tray, foldable after use, obtained by cutting a blank, comprising a bottom and, articulated on the bottom, four lateral faces capable of being assembled by means of end flaps to constitute a belt, characterized in that the bottom has pre-cut lines ending at each of the corners of the bottom, so as to allow the cutting of the bottom along the pre-cut lines, and the flattening of the belt.
  • the cardboard blank has a generally substantially rectangular shape. It consists of a bottom 1 on which four lateral faces, two transverse faces 2, 3 and two longitudinal faces 4, 5 are articulated. Each of the transverse faces 2, 3 carries two end flaps, respectively 6, 7 and 8, 9. These end flaps are articulated on fold lines corresponding to the vertical edges of the plate once mounted, respectively 10, 11, 12, 13. Straddling these fold lines are studs 14, 15 , 16, 17 projecting outwards, and notches 18, 19, 20, 21 at the bottom of the transverse faces and the end flaps. The longitudinal faces have corresponding notches. In addition, the angles of the bottom 1 are notched. Thus when two plates are superimposed, the pins 14 to 17 of the lower plate cooperate with the notches 18 to 21 and the notches in the bottom of the upper plate to ensure the guidance and the setting of the plates.
  • the lateral faces 2, 3, 4, 5 each have a free edge provided with a cut in its central region, respectively 36, 37, 38, 39.
  • the bottom 1 has in its center an orifice 25. Between this orifice 25 and each of the corners of the bottom 1 are arranged precut lines 26, 27, 28, 29.
  • These precut lines can be arranged substantially along the diagonals of the bottom 1, but this arrangement is not compulsory.
  • These precut lines define sectors 30, 31, 32, 33, which each have one base as one side of the bottom 1, that is to say that each sector is integral with a lateral face of the mounted tray.
  • the mounting of the plate from the blank cut from the single figure is carried out by automatic or manual means.
  • the longitudinal side faces 4 and 5 are straightened perpendicular to the bottom, then the transverse faces 2 and 3.
  • the end flaps 6, 7, 8 and 9 are then folded from the outside against the longitudinal side faces and are fixed there, for example by gluing or stapling, or by return to the head or to the face.
  • the transverse faces 2, 3 are straightened first, then the flaps 6 to 9 are folded and then the longitudinal faces 4, 5 are straightened and fixed to the flaps 6 to 9 by gluing or stapling, for example.
  • the trays according to the present invention are particularly suitable for transporting products that are rigid enough to support the upper trays in the event of stacking of the trays.
  • Such products are, for example, glass or plastic pots.
  • These products have a height at least equal to that of the side faces and the end flaps. According to the invention, they can have a height greater, up to about 30%, than the height of the lateral faces.
  • a tray according to the invention the height of the lateral faces of which is 100 mm, is suitable for receiving products whose height can vary between 100mm and 130mm.
  • the studs 14 to 17 have a significant height, for example 45mm in the previous numerical example, which ensures the guidance and the setting of the upper plate on a stud height ranging from 45 to 15mm when the height of the products range from 100 to 130mm.
  • the trays are laid flat.
  • the bottom 1 is torn by traction from the central orifice 25, for example simultaneously on two opposite sectors such as 31 and 33.
  • the tear is done along the precut lines 26 to 29 so that the four sectors 30 to 33 of the bottom are separated from each other.
  • the plate no longer has rigidity in the bottom plane and the belt formed by the four lateral faces 2 to 5 can be laid flat, each of the sectors 30, 31, 32, 33 being placed in the same plane as the lateral face of which it is integral, respectively 2, 4, 3, 5.
  • the plate may have an orifice offset from the center. It may also not have an orifice at the intersection of the precut lines 26 to 29. In the latter case, the precut lines are advantageously cutting lines at their intersection, and two gripping orifices are arranged symmetrically, on two opposite sectors such as 31 and 33, in the vicinity of said intersection.
  • each of the precut lines 26 to 29 terminates in a bottom angle. It suffices that the precut line ends at a point on the free edge of the bottom corner, that is to say, for line 26, between points 34 and 35, for the flattening of the plate to be ensured.
  • the tray according to the invention is particularly intended for the transport of products until they are placed on the shelves at the point of sale. It can be made of flat, corrugated or compact cardboard.
  • the shape and size of the precut lines of lines 26 to 29 are adapted to the weight of the contents of the tray.
  • the shape of the notches in the corners of the bottom 1 is not imperative, because the guiding and the setting of the plates can be carried out by cooperation of the pins 14 to 17 with the vertical edges of the notches 18 to 21.
  • the notches of the corners of the bottom can thus be in a quarter circle, for example, with a concavity turned towards the center of the plate or towards the outside.
  • the ventilation of the products is ensured, in the vicinity of the bottom 1, by the notches 18 to 21 provided in the lateral faces in the corners of the tray, as well as by the slots 22, 23 of the transverse faces 2 and 3, and, at the top of the plate, by the cutouts 36 to 39 of the lateral faces. All of these openings are sufficient to ensure satisfactory ventilation of the products contained in the tray, which avoids providing ventilation holes in the side faces, the disadvantage of which is to reduce the rigidity of the tray.
  • the groove In the case of a corrugated cardboard tray, to ensure the mechanical strength of the studs 14 to 17, the groove must be arranged according to the transverse dimension of the tray, in order to be horizontal in the studs. In this case, for a good cutting of the bottom, the traction must be exerted on the sectors 31 and 33 rather than on the sectors 30 and 32.
  • the cutouts 36 to 39 of the lateral faces constitute as many viewing windows for identifying the content of the trays.
  • a tray according to the invention is suitable for receiving products of variable height in significant proportions, the number of trays of different heights to be produced is limited, which leads to savings in manufacturing cost because the series produced are longer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
EP96401035A 1995-05-24 1996-05-13 Nach Gebrauch flachfaltbare Kartonschale Ceased EP0744349A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9506182 1995-05-24
FR9506182A FR2734542B1 (fr) 1995-05-24 1995-05-24 Plateau en carton, mis a plat apres usage

Publications (1)

Publication Number Publication Date
EP0744349A1 true EP0744349A1 (de) 1996-11-27

Family

ID=9479332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96401035A Ceased EP0744349A1 (de) 1995-05-24 1996-05-13 Nach Gebrauch flachfaltbare Kartonschale

Country Status (2)

Country Link
EP (1) EP0744349A1 (de)
FR (1) FR2734542B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785871A1 (fr) * 1998-11-12 2000-05-19 Nicollet Hugues Sa Barquette presentoir realisable sur machine automatique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2843732B1 (fr) * 2002-08-22 2004-11-05 Papeteries D Espaly Conditionnement mis a plat apres utilisation et procede de mise a plat

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3131848A (en) * 1961-11-01 1964-05-05 Builders Paving Co Inc Container
DE2236414A1 (de) * 1972-07-25 1974-02-14 Siegfried Dipl Kfm Leonhardt Faltbare sammelverpackung fuer damenstruempfe, waeschestuecke oder schokoladetafeln o. dgl
FR2584049A1 (fr) * 1985-06-28 1987-01-02 Lebhar Sa Boite divisible et transformable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3131848A (en) * 1961-11-01 1964-05-05 Builders Paving Co Inc Container
DE2236414A1 (de) * 1972-07-25 1974-02-14 Siegfried Dipl Kfm Leonhardt Faltbare sammelverpackung fuer damenstruempfe, waeschestuecke oder schokoladetafeln o. dgl
FR2584049A1 (fr) * 1985-06-28 1987-01-02 Lebhar Sa Boite divisible et transformable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785871A1 (fr) * 1998-11-12 2000-05-19 Nicollet Hugues Sa Barquette presentoir realisable sur machine automatique

Also Published As

Publication number Publication date
FR2734542A1 (fr) 1996-11-29
FR2734542B1 (fr) 1997-08-14

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