EP0109875A1 - Kartonsteige, Verfahren und Vorrichtung zum Aufrichten derselben - Google Patents

Kartonsteige, Verfahren und Vorrichtung zum Aufrichten derselben Download PDF

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Publication number
EP0109875A1
EP0109875A1 EP83402063A EP83402063A EP0109875A1 EP 0109875 A1 EP0109875 A1 EP 0109875A1 EP 83402063 A EP83402063 A EP 83402063A EP 83402063 A EP83402063 A EP 83402063A EP 0109875 A1 EP0109875 A1 EP 0109875A1
Authority
EP
European Patent Office
Prior art keywords
plate
plates
punches
tray
walls
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.)
Granted
Application number
EP83402063A
Other languages
English (en)
French (fr)
Other versions
EP0109875B1 (de
Inventor
Jean-Paul Geneix
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.)
Continentale Du Carton Ondule Socar SA Ste
Original Assignee
Continentale Du Carton Ondule Socar SA Ste
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 Continentale Du Carton Ondule Socar SA Ste filed Critical Continentale Du Carton Ondule Socar SA Ste
Priority to AT83402063T priority Critical patent/ATE28163T1/de
Publication of EP0109875A1 publication Critical patent/EP0109875A1/de
Application granted granted Critical
Publication of EP0109875B1 publication Critical patent/EP0109875B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B31B50/46—Folding sheets, blanks or webs by plungers moving through folding dies and interconnecting side walls
    • 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
    • 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
    • B65D5/003—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 ledges formed by extensions of the side walls
    • 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
    • B65D5/0075—Paper elements affixed to the container blank before or during erection

Definitions

  • the present invention relates to improvements made to corrugated cardboard packaging trays, which are commonly used for packaging and display for sale of fresh products, such as fruits and vegetables.
  • such plates comprise a bottom, two longitudinal walls, two transverse walls of height greater than that of the longitudinal walls and two horizontal entablatures advancing parallel above the bottom from the upper edge of the transverse walls. These entablatures are therefore raised relative to the longitudinal walls and thus allow stacking of the latter without deterioration of the products they contain as well as good ventilation of the latter.
  • each of the terminal portions of the plate which comprise the entablatures will be designated by head.
  • the tray heads When transporting and exposing the trays filled with products and stacked in piles, the tray heads are subjected to compression forces. Beyond a certain threshold, which of course depends on the position of the tray in the stack, the density of the packaged products as well as their degree of humidity, the transverse walls of the trays may buckle or soften in losing their resistance. In addition, during their transport from the places of production to the points of sale, the stack of trays work under the action of repeated and sudden shocks, which contributes to further weaken the resistance of the heads of the trays.
  • French patent number 2 267 958 has thus proposed a fruit tray which, in the developed state, comprises a bottom which is extended at each of its longitudinal ends by a leg on which are stuck, before the volume setting tray, plates intended to form the two transverse walls of the tray.
  • These plates are made of a relatively rigid material, such as wood, chipboard or double-sided corrugated cardboard. The bonding of the two plates before the shaping of the plate obviously introduces an appreciable delay in the manufacturing cycle and therefore slows down the production rate.
  • the trays of the type under consideration are reinforced by introducing inside the tray heads, after the tray has been shaped, corrugated cardboard reinforcement plates, with the same surface area as that of the internal faces of the walls. transverse and that we apply against them.
  • the transverse walls should have better resistance to stacking, but in reality, there is practically no improvement in resistance, since when they are inserted into the heads, the plates slightly deform along their edge peripheral.
  • this given force is greater than the buckling force of the transverse walls, so that when the non-deformed central part of the plates intervenes, the transverse walls are already deformed.
  • the weight of the stack trays is only supported by the reinforcing plates which in turn end up flaming. So instead of adding up their resistance for give the tray double resistance to stacking, the transverse walls of the tray and the reinforcement plates intervene at different times. As a result, with such a method, the plate is practically not reinforced. In addition, in this method also, the positioning of the reinforcement plates in the finished tray introduces a delay in the manufacturing cycle of the tray.
  • the present invention aims to remedy all these drawbacks and proposes for this purpose a method of setting up packaging trays known as reinforced heads, from a cardboard plate suitably cut and grooved to form a bottom, two walls longitudinal, two transverse walls of height greater than that of the longitudinal walls, and which each end at its ends by two angle returns, and two horizontal entablatures advancing parallel to the bottom from the upper edge of the transverse walls, said process being characterized in that it consists in laying flat the cardboard plate in the developed state, in erecting perpendicular to the plate, along the fold lines of the transverse walls on the bottom, two surface reinforcement plates slightly greater than the internal section of the plate heads, then fold successively around the plates, the transverse walls, the entablatures and the corner returns. ur bring them to their normal position, the plates then being pinched, all along their peripheral edge, between the flanks of the fold lines.
  • the advantage of the method according to the invention lies in the fact that the plates are put in place during the very operation of the volume of the cardboard plate unlike the methods indicated above in which the plates are introduced afterwards . From the start, the plates are applied against the internal face of the transverse walls without risk of deformation, unlike the known methods in which the plates are put in place after the plate has been mounted.
  • the plates hold themselves in place, without it being necessary to glue or staple them to the transverse walls of the plate.
  • they exactly double the surface of said walls and therefore participate in the resistance to stacking, whatever the stresses exerted on the plates.
  • the present invention also relates to a device for implementing this method.
  • a conventional device designed for shaping trays with heads for example that described in French patent application n ° 79 02 484, to which some modifications are made to adapt it to the volume setting of trays with reinforced heads.
  • the device for setting the volume of cardboard plates comprises a movable assembly consisting of two horizontal and parallel punches of section equal to the internal section of the heads and which are articulated by means of connecting rods arranged in the form of articulated parallelograms, on a base which is driven by an alternating linear movement between an upper position for which the punches are in contact with the cardboard plate to be shaped and a lower position for which the punches are released from the plaque.
  • the improvement according to the invention resides in the fact that in the lower position of the assembly, the punches and rods assembly is in the collapsed position, the external vertical faces of the punches then being respectively situated exactly under the fold lines of the two walls transverse on the bottom of the cardboard plate, and respectively flush with the outlet openings of two fixed stores for supplying reinforcement plates, and that said external vertical faces are provided with gripping means capable of gripping the first, plate of each store in order to position it under the fold line of the corresponding transverse wall on the bottom of the plate and not release it until the tray heads have been shaped.
  • the gripping means can for example be constituted! by a source of vacuum which sucks the wafers through openings formed on said external faces of the punches.
  • suitable centering means can be provided.
  • the latter comprise at least one patch attached to said external faces of the punches and which, when the punches are correctly centered, comes to fit into a recess of complementary shape formed on the plates.
  • the plates can be made of any rigid or semi-rigid material, for example corrugated cardboard, flat cardboard, chipboard, plywood, molded plastic, hardboard, etc.
  • They can have extremely varied forms. In their simplest embodiment, they have a rectangular shape with dimensions greater than those of the transverse walls of the tray, possibly with cutouts on their edges corresponding to the cutouts existing on the heads of the tray. They can also be extended in the longitudinal direction by two lateral flaps intended to be applied against the longitudinal walls of the plate. Such a double dihedral shaped plate provides increased reinforcement of the plate in the corners of the heads.
  • Figure 1 shows a fruit tray 10, said heads.
  • This tray comprises a rectangular bottom 12, two longitudinal walls 14, two transverse walls 16 terminated at each end by angle returns 18 which are made integral with the inner face of the longitudinal walls 14 by gluing or stapling, and two raised entablatures 20 , contiguous to the transverse walls and forming a projection above and parallel to the bottom.
  • the entablatures end at their ends by flaps 22 which are applied to the corner returns 18 and are joined thereto, for example by gluing.
  • the pads 24 are positioned perpendicular to the cardboard plate 10 in the developed state (FIG. 3), making one of their longitudinal edges coincide with the fold lines 26 of the transverse walls 16 on the bottom 12.
  • the transverse walls are then straightened at 90 ° relative to the bottom, then the angle returns 18 and the entablatures 22 are folded in order to bring them into the position they have in FIG. 1.
  • the plate 24 has a width 1 greater than the internal height h of the head of the plate 28. Likewise, its length is greater than the internal length of the head of the plate. As a result, during the folding of the cardboard the sides 30, 32 of the folding lines pinch the edges of the plates, thus keeping the latter in place, and this without it being necessary to glue or staple them to the walls transverse 16.
  • grooves 34 of width substantially equal to the thickness of the reinforcing plates 24 are printed on the cardboard, along the fold lines which surround the transverse walls 16. pads are fitted into said grooves, so that the pads are securely held in place.
  • the plate 24 of Figure 5 is rectangular and may have on its longitudinal edges the same cuts as those of the transverse walls 16 of the plate.
  • the plate of Figure 6 comprises a central portion 24 and two side flaps 36 intended to be applied against the transverse wall 16 and the flaps 18 of the tray, thus giving the tray heads increased strength.
  • cutaway parts 38 are provided between the central part 24 and the flaps 36. These panels 38 are placed at an angle in the corners and thereby ensure even better resistance of the plate heads.
  • the machine for shaping the plates comprises an assembly 39 which can move vertically and alternately under the action of motor means not shown.
  • This equipment comprises a horizontal base 40 carrying two identical sets of two vertical flat flanges 42, 44 arranged in rows of two.
  • each of the flanges 42, 44 are articulated the ends of two identical and parallel rods, respectively 46, 48 and 50, 52, the other ends of which are articulated on hollow parallelepiped punches 54, 56, of section substantially complementary to that of the interior of the plate heads 28.
  • the links 46, 48 are crossed with the links 50, 52, each of said pairs of links forming a deformable articulated parallelogram.
  • the articulation axes of the links on the flanges and on the punches are horizontal and parallel.
  • centering discs 74 intended for come to fit into complementary notches 76 formed on the longitudinal edges of the plates 24.
  • the machine is in the state shown in FIG. 7.
  • a cardboard plate 10 in the developed state is brought into the centered position, above the movable assembly 39 with its fold lines turned downwards, and it is held stationary in this position by stop means not shown.
  • the moving element 39 is in its low position for which its punches 54, 56 are separated and are respectively flush with the openings of the magazines 62, 64.
  • the punches 54, 56 are correctly centered opposite the opening of the magazines thanks to the pellets 74 which fit into the notches 76.
  • the depression which is exerted through the orifices 68 maintains the first plate 24 of each magazine applied against the contiguous punch.
  • the moving element 39 then mounts as a unit under the stress of the driving means, causing in their movement the two aspirated plates 24.
  • the punches 54, 56 arrive at their upper position, the upper edges of the plates are in contact with the lines of folding 26.
  • Folding elements 80 and 82 then straighten around the plates and punches, the transverse walls 16, and longitudinal 14, the angle returns 18, the entablatures 20 and the flaps 22. As shown in FIG. 9, the plates 32 are therefore pinched all along their peripheral edge between the transverse walls 16 and the lips of the fold lines which surround the latter.
  • the vacuum is then cut so as to separate the plates 24 from the punches.
  • the base 40 then begins its downward movement.
  • the punches 54, 56 approach by sliding on the internal faces of the entablatures 20 which are held by the folding elements 82.
  • the punches have completely disengaged from the entablatures 20, they are free to accompany the base 40 in its downward movement (FIG. 10).
  • the links 46, 48, 50, 52 return to their initial horizontal position in FIG. 8, the punches coming tangentially to join the store openings.
  • the tray can then be removed to make room for another blank.
  • FIG. 10 shows a particular embodiment of a store for supplying wafers 24.
  • the store comprises four horizontal rods 84, 86, 88, 90 arranged so that the wafers can rest thereon for their notches 76.
  • the rods therefore hold the plates and guide them in their movement towards the opening of the magazine. It goes without saying that the stores can have any other appropriate configuration.
  • the tray shaping machine may include means which deactivate the vacuum source as soon as the stack of trays formed has a predetermined number of trays. From this moment, the punches will no longer support the pads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Cartons (AREA)
  • Packaging Frangible Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Buffer Packaging (AREA)
EP83402063A 1982-10-26 1983-10-24 Kartonsteige, Verfahren und Vorrichtung zum Aufrichten derselben Expired EP0109875B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83402063T ATE28163T1 (de) 1982-10-26 1983-10-24 Kartonsteige, verfahren und vorrichtung zum aufrichten derselben.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8217912 1982-10-26
FR8217912A FR2534878A1 (fr) 1982-10-26 1982-10-26 Procede et machine pour la mise en forme de plateaux d'emballage en carton, et plateau ainsi obtenu

Publications (2)

Publication Number Publication Date
EP0109875A1 true EP0109875A1 (de) 1984-05-30
EP0109875B1 EP0109875B1 (de) 1987-07-08

Family

ID=9278606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83402063A Expired EP0109875B1 (de) 1982-10-26 1983-10-24 Kartonsteige, Verfahren und Vorrichtung zum Aufrichten derselben

Country Status (6)

Country Link
EP (1) EP0109875B1 (de)
AT (1) ATE28163T1 (de)
DE (2) DE109875T1 (de)
ES (1) ES526747A0 (de)
FR (1) FR2534878A1 (de)
PT (1) PT77552B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609965A1 (fr) * 1987-01-23 1988-07-29 Nicollet Hugues Sa Emballage du genre caisse, en particulier caisse a legumes en carton, carton ondule ou autre materiau en feuille
AU587325B2 (en) * 1986-04-21 1989-08-10 Societe Continentale Du Carton Ondule Socar Device for the erection of cardboard trays
FR2635082A1 (fr) * 1988-08-05 1990-02-09 Terle Maurice Plateau gerbable en carton
GB2226546A (en) * 1988-12-22 1990-07-04 Boix Maquinaria Sa Reinforcement device for cardboard boxes
FR2711944A1 (fr) * 1993-11-05 1995-05-12 Qualipack Dispositif de formage d'un flan préencollé.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739890A1 (de) * 1987-11-25 1989-06-08 Stabernack Gmbh Gustav Kommissioniersteige aus faltmaterial
DE102007044376B4 (de) * 2007-09-17 2011-04-07 Gustav Stabernack Gmbh Stapelbares Modultray

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1497713A (en) * 1921-08-22 1924-06-17 Charles H Crowell Corrugated-paper-board shipping container and blank therefor
US2962944A (en) * 1958-12-04 1960-12-06 Alexander Ungar Inc Box-making machine
US3136473A (en) * 1962-12-26 1964-06-09 Paper Mate Mfg Co Box construction
FR1579928A (de) * 1967-06-22 1969-08-29
FR2043948A5 (de) * 1969-05-02 1971-02-19 Lafarge Emballage
FR2273715A1 (fr) * 1974-06-05 1976-01-02 Surepack Machine de pliage pour le montage de plateaux d'emballage en carton
US4019427A (en) * 1972-02-28 1977-04-26 Continental Can Company, Inc. Partition assembler

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1497713A (en) * 1921-08-22 1924-06-17 Charles H Crowell Corrugated-paper-board shipping container and blank therefor
US2962944A (en) * 1958-12-04 1960-12-06 Alexander Ungar Inc Box-making machine
US3136473A (en) * 1962-12-26 1964-06-09 Paper Mate Mfg Co Box construction
FR1579928A (de) * 1967-06-22 1969-08-29
FR2043948A5 (de) * 1969-05-02 1971-02-19 Lafarge Emballage
US4019427A (en) * 1972-02-28 1977-04-26 Continental Can Company, Inc. Partition assembler
FR2273715A1 (fr) * 1974-06-05 1976-01-02 Surepack Machine de pliage pour le montage de plateaux d'emballage en carton

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587325B2 (en) * 1986-04-21 1989-08-10 Societe Continentale Du Carton Ondule Socar Device for the erection of cardboard trays
FR2609965A1 (fr) * 1987-01-23 1988-07-29 Nicollet Hugues Sa Emballage du genre caisse, en particulier caisse a legumes en carton, carton ondule ou autre materiau en feuille
FR2635082A1 (fr) * 1988-08-05 1990-02-09 Terle Maurice Plateau gerbable en carton
GB2226546A (en) * 1988-12-22 1990-07-04 Boix Maquinaria Sa Reinforcement device for cardboard boxes
GB2226546B (en) * 1988-12-22 1993-01-20 Boix Maquinaria Sa Reinforcement device for cardboard boxes
FR2711944A1 (fr) * 1993-11-05 1995-05-12 Qualipack Dispositif de formage d'un flan préencollé.

Also Published As

Publication number Publication date
EP0109875B1 (de) 1987-07-08
FR2534878A1 (fr) 1984-04-27
DE109875T1 (de) 1984-11-08
ES8501701A1 (es) 1984-12-01
PT77552A (fr) 1983-11-01
ATE28163T1 (de) 1987-07-15
PT77552B (fr) 1986-03-12
DE3372353D1 (en) 1987-08-13
FR2534878B1 (de) 1985-03-08
ES526747A0 (es) 1984-12-01

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