EP0287739A1 - Eierverpackung mit angeschweisstem Deckel - Google Patents

Eierverpackung mit angeschweisstem Deckel Download PDF

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Publication number
EP0287739A1
EP0287739A1 EP87420107A EP87420107A EP0287739A1 EP 0287739 A1 EP0287739 A1 EP 0287739A1 EP 87420107 A EP87420107 A EP 87420107A EP 87420107 A EP87420107 A EP 87420107A EP 0287739 A1 EP0287739 A1 EP 0287739A1
Authority
EP
European Patent Office
Prior art keywords
cover
rack
welded
egg box
columns
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Withdrawn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
EP87420107A
Other languages
English (en)
French (fr)
Inventor
Henri D'arras
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.)
Alphaform Dite Ste
Original Assignee
Alphaform Dite 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
Priority to FR8604809A priority Critical patent/FR2596367A1/fr
Application filed by Alphaform Dite Ste filed Critical Alphaform Dite Ste
Priority to EP87420107A priority patent/EP0287739A1/de
Publication of EP0287739A1 publication Critical patent/EP0287739A1/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Withdrawn legal-status Critical Current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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/32—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for eggs
    • B65D85/324—Containers with compartments made of pressed material

Definitions

  • the present invention relates to improvements made to honeycombed boxes of the kind used for packaging eggs or various fragile objects.
  • an egg box constituted by two assembled elements, namely: -a honeycomb locker made of a piece of thermoformed plastic; -a cover, consisting of a simple plate cut from a sheet of cardboard or the like.
  • Means are provided for fixing the cover to the rack, after placing the eggs in the cells. These means are generally constituted on known egg cartons, by a system of snap-fastening of the cover on profiles suitably defined in undercut on the upper part of the rack.
  • the cover plate In some cases, it is necessary to provide in the cover plate, the snap opening opening which compromises the aesthetic appearance of the box and correspondingly reduces the area remaining available for possibly printing the cover.
  • the latter generally being made up of a cut cardboard, it is opaque and hidden from the view of the buyer, the eggs thus packaged.
  • the object of the present invention is to avoid these drawbacks by producing a closed egg box of tamper-evident, by an implementation carried out on a fully automatic functioning packaging line.
  • the welding is carried out between two applied welding heads, one on the upper face of the cover, the other on the inner face of the column concerned, after introduction of this head into the column from the bottom of the locker.
  • the welding is carried out hot, by high frequency by ultrasound or by any other known method.
  • the cover is cut from a plastic plate, or a coated material so that it can be sealed by welding. It is known that such a plate can be made of aluminum, paper or suitably coated cardboard.
  • the cover has no opening cut out inside its peripheral contour.
  • it can be printed on its entire surface.
  • the egg carton shown in the drawings includes a rack 1 made for example from a sheet of thermoformed plastic. It has cells 2 separated by columns 3, the top 4 of which is flat.
  • Each cell 2 is intended to receive an object such as an egg 5.
  • the upper part of the rack 1 is surrounded by a flat edge 6 which can in turn be reinforced by a stiffening edge 7.
  • the flat top 4 of the columns 3 is located in the same geometrical plane 8 as the upper face of the flat edge 6 .
  • the egg box also has a completely flat and completely full cover 9, that is to say in the interior of which no opening is cut.
  • a lateral notch 10 can be provided on its peripheral contour.
  • the cover 9 is cut from a sheet of which at least the lower face 11 is made of a weldable material. It may be a sheet of plastic material, or a complex based on aluminum, paper, cardboard or plastic material, with or without coating of the lower face 11.
  • the cover 9 is placed on the edge 6 and on the flat top 4 of the columns 3 where it is fixed by welding. Welding can be carried out: -or by points on the flat top4 of columns 3, as shown in Figs. 1 and 2; for this, one of the welding tools 12 bears on the upper part of the cover 9 while the other tool 13 has been engaged bottom up in the hollow column 3, to the underside of the flat top 4; -or else in the form of a linear peripheral welding of the cover 9 along the flat edge 6.
  • the welding chosen can be carried out hot, by high frequency, by ultrasound, or by any other known method. We can easily adjust the power to obtain: that this welding is sufficiently solid to support the weight of the eggs 5 if the box 1.9 is turned over; that this welding remains however easy to tear when the user wants to take the eggs 5.
  • the invention has many advantages.
  • -the box 1.9 is inviolable: it is not possible to improperly take an egg 5 without damaging it.
  • the cover 9 and the rack 1 have simple shapes, easy to manufacture; in particular, no undercut part appears in any place whatsoever of the columns 3 or of their top 4, which makes it possible to use an inexpensive plastic material; after installation, the whole of the upper face of the cover 9 remains flat and united, without any cutting, available for possibly printing there various patterns or indications; -the operations described above can be carried out automatically, which now allows the use of a fully automatic chain for packaging eggs.
  • the rack 1 may have (in particular on its periphery), undercut areas of known type, of the kind which are provides for example to facilitate the destacking of several stacked compartments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)
EP87420107A 1986-03-26 1987-04-22 Eierverpackung mit angeschweisstem Deckel Withdrawn EP0287739A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8604809A FR2596367A1 (fr) 1986-03-26 1986-03-26 Cartonnette soudee pour boite a oeufs
EP87420107A EP0287739A1 (de) 1987-04-22 1987-04-22 Eierverpackung mit angeschweisstem Deckel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP87420107A EP0287739A1 (de) 1987-04-22 1987-04-22 Eierverpackung mit angeschweisstem Deckel

Publications (1)

Publication Number Publication Date
EP0287739A1 true EP0287739A1 (de) 1988-10-26

Family

ID=8198290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420107A Withdrawn EP0287739A1 (de) 1986-03-26 1987-04-22 Eierverpackung mit angeschweisstem Deckel

Country Status (1)

Country Link
EP (1) EP0287739A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000063082A1 (en) * 1999-04-16 2000-10-26 Food & Packaging Centre Management Limited Fresh food container

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE672770A (de) * 1965-10-14 1966-03-16
FR1574381A (de) * 1968-02-09 1969-07-11
DE1811083A1 (de) * 1968-11-27 1970-06-18 Silverplastics Gmbh & Co Kg Eierverpackung
FR2086938A5 (de) * 1970-04-14 1971-12-31 Choisnet Jacques
FR2132581A1 (de) * 1971-04-09 1972-11-24 Ono

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE672770A (de) * 1965-10-14 1966-03-16
FR1574381A (de) * 1968-02-09 1969-07-11
DE1811083A1 (de) * 1968-11-27 1970-06-18 Silverplastics Gmbh & Co Kg Eierverpackung
FR2086938A5 (de) * 1970-04-14 1971-12-31 Choisnet Jacques
FR2132581A1 (de) * 1971-04-09 1972-11-24 Ono

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000063082A1 (en) * 1999-04-16 2000-10-26 Food & Packaging Centre Management Limited Fresh food container

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Inventor name: D'ARRAS, HENRI