EP0328509A1 - Flan pour une caisse en carton, en particulier en carton ondulé - Google Patents

Flan pour une caisse en carton, en particulier en carton ondulé Download PDF

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Publication number
EP0328509A1
EP0328509A1 EP89890012A EP89890012A EP0328509A1 EP 0328509 A1 EP0328509 A1 EP 0328509A1 EP 89890012 A EP89890012 A EP 89890012A EP 89890012 A EP89890012 A EP 89890012A EP 0328509 A1 EP0328509 A1 EP 0328509A1
Authority
EP
European Patent Office
Prior art keywords
side walls
tabs
punched
tray
areas
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Withdrawn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
EP89890012A
Other languages
German (de)
English (en)
Inventor
Wolfgang Denkmayr
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.)
MOSBURGER AG
Original Assignee
MOSBURGER AG
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
Priority claimed from AT14388A external-priority patent/ATA14388A/de
Priority claimed from AT28488A external-priority patent/AT389685B/de
Application filed by MOSBURGER AG filed Critical MOSBURGER AG
Publication of EP0328509A1 publication Critical patent/EP0328509A1/fr
Withdrawn legal-status Critical Current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
    • B65D5/001—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

Definitions

  • the invention relates to a sheet of cardboard, in particular corrugated cardboard, for a crate, which has two longitudinally extending folding grooves and two perpendicularly extending folding grooves which delimit the bottom of the crate and around which the side walls of the crate can be folded perpendicularly to the bottom, whereby protruding, approximately rectangular connecting tabs are provided on the side walls and hold the side walls connected to one another in the unfolded position.
  • tray constructions for packaged goods for which no lid is required which consist of a bottom part and / or side walls that can be folded up by 90 °.
  • the four side walls of such a tray must be connected with attached connecting parts at the corners (stapled, put together, glued, etc.) in order to remain at a right angle to the floor.
  • Machines that are designed as automatic machines are usually required to manufacture corner glued trays. Despite the advantages of machine-bonded crates, they cannot be used with all industrial or commercial packers, apart from the required machine investment. Space constraints, frequent format changes, a lack of specialist staff etc. are reasons for many packaging companies who, compared to wooden crates, have poorer quality, manually time-consuming folding corrugated cardboard crates for the transport of e.g. Do not use fruit, vegetables, meat, bread, etc.
  • the invention is now aimed at solving the problem that corner-glued crates can be produced by the manufacturer and brought to the user in the flat-folded state, which also saves transport costs compared to fully erected crates.
  • This is achieved, starting from a cutting sheet of the type mentioned at the outset, that the rectangular connecting tabs, starting from the intersections of the folding grooves delimiting the base, have on their outside a diagonally extending folding groove which divides the connecting tabs into two triangular areas, wherein one of these areas is glued to the inside of each of the side walls, so that when the side walls of the tray are unfolded, the glued triangular area comes to lie next to the non-glued triangular area and can be connected to it.
  • the packer can therefore pull up two side parts of the trays in a short amount of time, which at the same time brings the other two side parts into the vertical end position (90 ° to the floor) due to the corner gluing described.
  • the stacking strips attached to the two opposite side walls then only need to be folded over and inserted in a conventional manner on the overlying side parts in order to stabilize the entire construction and make it ready for use.
  • the crate according to the invention like machine-glued crates, has maximum stability against dynamic side loads during transport.
  • Gluing the trays within the blank production process is much more economical than using individual gluing machines for each individual packer, since it is an integrated process and can be produced with one machine for the individual needs of many companies.
  • corrugated cardboard materials that are more economical in terms of raw materials due to the strength gained in corner gluing and thus to compensate for the gluing costs.
  • crates which are set up and glued in the individual packer with the help of a gluing machine, is that after using the packaging and after loosening the stacking tabs, the crates are brought back to their original flat shape without damage and space-saving for later reuse can be kept.
  • the new type of packaging also offers the greatest production and supply security for its users. Due to the space-saving condition of the flat, internally glued crates, stocks can be kept available without storage space overloads, without having to fear bottlenecks in top-quality productions (e.g. in the harvest season due to the lack of personnel for manual crate erection or the limited machine capacity for gluing machines).
  • FIG. 1 shows a plan view of the blank sheet after a punching operation carried out by machine.
  • Fig. 2 illustrates the glued blank sheet ready for use.
  • 3 and 4 show details of the blank sheet, namely a corner when unfolding.
  • FIG. 5 shows a plan view of a further exemplary embodiment of the blank sheet according to the invention after a machine-operated punching or creasing process.
  • FIG. 6 illustrates a corner of the blank sheet according to FIG. 5 on a somewhat larger scale.
  • Fig. 7 shows a part of the blank sheet in the state ready for dispatch. 8 and 9 finally illustrate a corner of the set up and ready for filling tray in a perspective view or seen from the front.
  • the side walls 2 - 5 are connected to one another via approximately rectangular connecting tabs 10, 11, 12, 13 in the corners of the rectangular part of the cut sheet consisting of the bottom and the side walls, which also run along folding grooves 14, 15, 16, 17 from the side walls are divided.
  • Stacking strips 18, 19 are formed on two opposite sides of the blank sheet, in the example shown following the side walls 3, 4, which extend from the adjacent side walls along folding grooves 20, 21 are divided. However, the stacking strips are separated from the respectively adjacent connecting tabs 10 - 13 along incisions 22.
  • the stacking strips 18, 19 also have folding grooves 23, approximately in the extension of the folding grooves 6, 14, 15 or 9, 16 and 17. Furthermore, folding grooves 24 are provided on the outer corner of the stacking strips, approximately at an angle of 45 ° run to the edges of the stacking strips.
  • folding flaps 25 to 13 are provided on the outside of the blank sheet on the connecting tabs, which extend from the intersection points A of the folding grooves 6, 7, 8, 9 delimiting the bottom 1 and extend diagonally at 45 ° to the outer corner of the connecting tab that they end approximately on the possibly rounded outer corner of the connecting tabs 10-13.
  • folding grooves 25 thus subdivide the approximately rectangular connecting tabs 10 - 13 into two triangular areas B, C.
  • slots 26, 27 are provided on both sides thereof, parallel to the folding groove.
  • slots 27 ' are formed, which are of approximately the same size as the slots 26, 27 and extend symmetrically with respect to the extensions of the folding grooves 7 and 8 to the slots 27.
  • the cutting sheet described above can be made in a first operation from a plate e.g. be punched out or corrugated from corrugated cardboard.
  • the connecting tabs are provided with adhesive in their area B adjacent to the side wall 2 or 5 and folded around the folding grooves 7 and 8, so that the blank sheet assumes the state shown in FIG. 2.
  • the cut sheet glued in this way can be stacked and delivered in order to be unfolded into a crate at the application site before being filled with packaging material.
  • the unfolding is illustrated in FIGS. 3 and 4 and is carried out by pulling apart and erecting the side walls in a position perpendicular to the floor 1. Then the stacking strips 18, 19 are bent around the folding line 20 and 21 and thus arrive in their final position parallel to the bottom 1. The end parts 18 ', 19' of the stacking strips are finally pulled down to the side walls 2 and 5 and their triangular tabs 28 as Lock in the now overlapping slots 26, 27, 27 'inserted.
  • the tray is now ready to be filled with any packaging material and has sufficient stability to allow filled trays to be stacked.
  • the production takes place in two work steps (punching and creasing or gluing), however, on only one machine and thereby results in a particularly economical manufacturing process, which eliminates the use of expensive machines.
  • the tab 28 can also be designed differently than triangular; it is crucial that it is plugged into the slots 26, 27, 27 'and acts as such.
  • the slots 26, 27, 27 ' can be shaped differently, e.g. circular perforations or punched through which a locking device can be inserted.
  • these insertion tabs have the disadvantage that the stretched-in elements protrude into the interior of the trays and can thus damage the contents or impair the filling volume.
  • the corner connections of the stacking strips serve to stabilize the longitudinal walls. Since this is done by inserting the ends of the stacking strips at those points where the triangular connection tabs are located, it is possible, after another thought, to create a special locking and thus a stiffening of the corner connections of the tray.
  • the locking tabs are provided with an undercut, preferably semicircular extension, and that the triangular, glued area of the connecting tabs and the area adjacent to this area of the adjoining side wall are each punched out , of which the punching in the triangularly glued area is larger in its contour than the punching in the adjacent area of the adjoining side wall with which it folds the side walls around the folded edge and glues the areas comes to lie on top of each other.
  • the two punched-outs are designed in such a way that the preferably semicircular extension of the locking tab can be pushed through the punched-out side wall and can be locked like a push-button in the punched-outs which together form an undercut.
  • This measure allows a kind of barb or push button effect if the locking tab engages sufficiently deep in the punched out, with the result that the crate filled with packaging material can also be gripped and manipulated on the stacking strips so that the stacking strips perform a dual function.
  • the side walls 33-35 are connected to one another via approximately rectangular connecting tabs 40, 41, 42, 43 in the corners of the rectangular part of the cut sheet which consists of the floor and the side walls and which also run along folding grooves 44, 45, 46, 47 from the side walls are divided.
  • stacking strips 48, 49 are formed, which are separated from the adjacent side walls along folding grooves 50 51.
  • the stacking strips 48, 49 are separated from the respectively adjacent connecting tabs 40-43 along incisions 52.
  • the stacking strips 48, 49 have folding grooves 53, approximately in the extension of the folding grooves 36, 44, 45 and 39, 46, 47.
  • the ends of the stacking strips separated by the incisions 52 from the connecting tabs are designed as locking tabs 58. They have an extension 60 which is provided with an undercut 59 and is approximately semicircular in the present case.
  • folding flaps 61 are provided on the connecting tabs 40, 41, 42, 43 on the outside of the blank sheet, which originate from the intersection points A 'of the bottom flaps 36, 37, 38, 39 and diagonally underneath Extend 45 ° to the outside corner of the connecting tabs.
  • a hole is punched out of the cut sheet at the respective point of the intersection points A 'mentioned and the folding groove 61 ends at the possibly rounded corners of the connecting tabs 40-43.
  • the folding grooves 61 thus divide the approximately rectangular connecting tabs 40-43 into two triangular shapes Areas B ′ and C ′.
  • the triangular region B 'of the connecting tabs 40-43 and the regions D' adjacent to these regions of the side walls 32, 35 are each provided with a punching E, F, the punching E lying in the triangular areas B 'somewhat in its contour are larger than the punchings F in the adjacent areas D 'of the side walls 32, 35.
  • the extension 60 of the locking tab 58 corresponds in the course of its contour (diameter, width) to the punched-out E and has somewhat larger dimensions than the contour of the punched-out F.
  • the extension 60 is somewhat larger in its dimensions than the punched-out F, through which it is pressed for hooking.
  • the punched-out E is larger than the punched-out F and is approximately the same size as the extension 60, the indentation of the extensions being made possible by their slight deformation and the locking by Spring back into the undeformed position. After this locking, which is easy to carry out manually, the stacking strips are firmly connected to the side walls, so that the tray can also be raised on the stacking strips after filling.
  • the blank according to the invention also has the advantage that it can easily be set up on the spot to form a tray and this can be brought into a stable shape by locking the stacking strips.
  • the stacking strips 48, 49 are provided with vertically standing tabs 64 and the bottom 31 of the tray with perforations 65, which prevents the stacked trays from slipping sideways.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Stackable Containers (AREA)
EP89890012A 1988-01-26 1989-01-19 Flan pour une caisse en carton, en particulier en carton ondulé Withdrawn EP0328509A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT143/88 1988-01-26
AT14388A ATA14388A (de) 1988-01-26 1988-01-26 Zuschnitt fuer eine steige aus pappe, insbesondere wellpappe
AT28488A AT389685B (de) 1988-02-10 1988-02-10 Zuschnitt fuer eine steige aus pappe, insbesondere wellpappe
AT284/88 1988-02-10

Publications (1)

Publication Number Publication Date
EP0328509A1 true EP0328509A1 (fr) 1989-08-16

Family

ID=25591611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89890012A Withdrawn EP0328509A1 (fr) 1988-01-26 1989-01-19 Flan pour une caisse en carton, en particulier en carton ondulé

Country Status (2)

Country Link
EP (1) EP0328509A1 (fr)
DE (1) DE8803426U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2404653A (en) * 2003-08-01 2005-02-09 Ds Smith Blank for a packaging carton
GB2478518A (en) * 2010-02-25 2011-09-14 Trm Packaging Ltd Easy to erect cardboard box suitable for stacking

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29621214U1 (de) * 1996-12-06 1997-02-27 FULDA VERPACKUNG STABERNACK JR GMBH, 36043 Fulda Warenträger

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959208A (en) * 1961-01-20 1964-05-27 Smith & Young Ltd Improvements in or relating to box-like envelopes and blanks therefor
US3182913A (en) * 1963-03-04 1965-05-11 Crown Zellerbach Corp Carton
FR2186390A1 (fr) * 1972-05-31 1974-01-11 Sofhunic Sa

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959208A (en) * 1961-01-20 1964-05-27 Smith & Young Ltd Improvements in or relating to box-like envelopes and blanks therefor
US3182913A (en) * 1963-03-04 1965-05-11 Crown Zellerbach Corp Carton
FR2186390A1 (fr) * 1972-05-31 1974-01-11 Sofhunic Sa

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2404653A (en) * 2003-08-01 2005-02-09 Ds Smith Blank for a packaging carton
GB2404653B (en) * 2003-08-01 2006-09-13 Ds Smith Blank for a packaging carton
GB2478518A (en) * 2010-02-25 2011-09-14 Trm Packaging Ltd Easy to erect cardboard box suitable for stacking
GB2478518B (en) * 2010-02-25 2013-03-20 Trm Packaging Ltd Box & blank thereof

Also Published As

Publication number Publication date
DE8803426U1 (de) 1988-05-11

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