EP0006043B1 - Eierschachtel - Google Patents

Eierschachtel Download PDF

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Publication number
EP0006043B1
EP0006043B1 EP19790400299 EP79400299A EP0006043B1 EP 0006043 B1 EP0006043 B1 EP 0006043B1 EP 19790400299 EP19790400299 EP 19790400299 EP 79400299 A EP79400299 A EP 79400299A EP 0006043 B1 EP0006043 B1 EP 0006043B1
Authority
EP
European Patent Office
Prior art keywords
lateral
cover
spigots
box
sheet
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.)
Expired
Application number
EP19790400299
Other languages
English (en)
French (fr)
Other versions
EP0006043A1 (de
Inventor
Jean-Pierre Stevens
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.)
Ono SA
Original Assignee
Ono 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
Priority claimed from FR7806181A external-priority patent/FR2418753A1/fr
Priority claimed from FR7816243A external-priority patent/FR2427272A2/fr
Priority claimed from FR7832001A external-priority patent/FR2440891A2/fr
Application filed by Ono SA filed Critical Ono SA
Priority to AT79400299T priority Critical patent/ATE216T1/de
Publication of EP0006043A1 publication Critical patent/EP0006043A1/de
Application granted granted Critical
Publication of EP0006043B1 publication Critical patent/EP0006043B1/de
Expired 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 egg boxes of the type comprising on the one hand a plastic body, in particular transparent, consisting of a flat sheet of generally rectangular shape on which project downwards at least two longitudinal rows of open convergent cells upwards, and upwards, central pins open downwards and situated between these two rows as well as lateral pins open downwards and situated along each longitudinal edge of the sheet, in line with the central pins, and on the other hand, a flat cardboard cover, the central part of which is supported by the central pins and is bordered by two lateral wings inclined downward, the free ends of which are fixed to lateral parts of said sheet, at least one of the wings being fixed by adhesion.
  • the lateral pins open downwardly form an external gutter provided with hooking spouts allowing the latching of a lateral wing of the cover, while the other wing adheres to the outer wall of a second gutter open upwards provided on the other longitudinal edge of the sheet forming the body and externally bordering the lateral pins located on the corresponding side.
  • the object of the invention is to provide an egg box of the same type which is more rigid and which consequently makes it possible to save on cardboard, and it also aims to provide a plastic body making it possible to obtain such an egg carton.
  • the subject of the invention is a plastic body, in particular transparent for egg boxes, of the type consisting of a flat sheet of generally rectangular shape on which protrude downwards at least two longitudinal rows of converging cells. open upwards and, upwards, central pins open downwards and located between these two rows as well as lateral pins open downwards and located along each longitudinal edge of the sheet, in line with the central pins, this body being characterized in that each lateral pin has the shape of a pyramid whose external lateral side is constituted by a flat inclined face, and in that all the external lateral faces situated on the same side are coplanar.
  • the invention also relates to an egg box of the type indicated above and characterized in that its body is as defined above and in that the free end of each lateral wing of the cover adheres to all of the external lateral faces of the lateral pins located on the same side.
  • the cells 4 are distributed symmetrically with respect to a longitudinal plane of symmetry P of the box, in two rows of three.
  • This plane P is also a plane of symmetry for several elements projecting upwards, namely two end pins or posts 9, two central posts or posts 10, and eight lateral posts or posts 12.
  • the pins 9 and 10 have the shape of trunks of straight pyramids converging upwards and a height roughly equal to that of the cells 4.
  • the horizontal section of the pins 9 is roughly triangular, that of the pins 10 is square.
  • the large base of the pins 9 is constituted by an end edge of the sheet 3 and by one side of the two extreme cells 4, that of the pins 10 by one side of each group of four adjacent cells.
  • the small bases 13 and 14 of the pins 9 and 10 are flat and contained in the same horizontal plane Q.
  • the pins 12 are located to the right of the pins 9 and 10 and have the shape of pyramids with a triangular base.
  • the base of the end pins 12 is formed by two sides of the sheet 3 and by one side of an end cell 4 and is therefore a right triangle.
  • the base of the intermediate pins 12 is an isosceles triangle constituted by a longitudinal edge of the sheet 3 and by one side of an end cell 4 and a middle cell 4.
  • the tips of the pins 12 are all located at a level below the plane Q, and their outer faces 15, starting from the longitudinal edges of the sheet 3, define two inclined planes p1 (Fig. 2) whose meeting line is horizontal and located in plane P.
  • the outer faces 16 of the pins 9 and 12 starting from the transverse edges of the sheet 3 define two inclined planes whose meeting line is horizontal and perpendicular to the plane P.
  • the body 1 is thermoformed in a single operation from a flat sheet of plastic, it is clear that the large base of the pins 9 and 10 as well as the base of the pins 12 is not materialized, unlike small bases 13 and 14 of the pins 9 and 10. In other words, it is possible to access from the bottom up to the top of all the pins 9, 10 and 12.
  • the two central pins 10 each have a small stud at their top cylindrical 10a projecting upwards.
  • the cover 2 is produced from a rectangle 18 cut between two successive transverse lines 40 weakened or partially cut from a strip of cardboard. flat 19 (Fig. 3).
  • the term "weakened line” means a pre-tear line which can be easily torn by hand and which consists, for example, of a series of small holes.
  • This rectangle comprises two longitudinal fold lines 41 located approximately halfway between the longitudinal edges 42 and the longitudinal axis XX, and two longitudinal fold lines 41 adjacent to the edges 42.
  • the lines 41 end at a short distance. lines 40 and are extended by slightly divergent cut segments 43.
  • the ends of the lines 41 are joined by two transverse fold lines 44 and are connected to the respective corners of the rectangle 18 by other fold lines 45.
  • the two segments 43 delimit with the lines 40 and 44 a central end flap 46 of trapezoidal shape, while lines 40, 45 and 43 define two lateral end flaps 47.
  • the lateral wings 35 of cover 2 are delimited by lines 41, 42 and 45 and have a trapezoidal shape.
  • a wing 35 has a longitudinal tear strip 48 which extends between the two corresponding lines 45, approximately halfway between the associated lines 41 and 41 8 .
  • the strip 48 consists of two symmetrical series and in the parallel set of bent slots 49 having successively in the direction of tearing a slightly divergent part 50 and a part 51 parallel to the axis XX.
  • a gripping member 52 defined by a cutout 53 in the form of a sea anchor which reveals two tongues 54.
  • the slots 49 go in both directions starting from the member 52 , as indicated by arrows carried by this body.
  • the other wing 35 of the cover 2 has over its entire length, approximately at the same distance from the edge 42 as the strip 48, a fold line 55 parallel to the axis X-X. From each line 45, the line 55 extends to the adjacent line 40 by a cut segment 56 also parallel to the axis X-X.
  • a hole 57 is provided on the axis XX, approximately at each third of the length of the central part of the cover between the lines 41 and 44; this hole has the shape of an equilateral triangle, the inscribed circle of which has a diameter slightly smaller than the projections 10 8 of the central pins 10 of the body 1.
  • the rectangle 18 is placed on it so that the projections 10a pass, slightly by force, the holes 57.
  • the two wings 35 are then folded down and glued to the lateral pins 12 in their regions located at - below strip 48 and line 55 respectively.
  • supports of appropriate shape are introduced into the pins 9, 10 and 12. This brings the gripping member 52 in the vicinity of an extreme lateral pin 12 but next to it.
  • the flap 46 is folded against the outer face of the adjacent pin 9, and the flaps 47 are folded so that their upper ends cover the lateral ends of the flap 46. These ends are glued to each other. .
  • the areas of the rectangle 18 intended to be bonded can be coated beforehand with a heat-sealing lacquer or another type of adhesive, for example an adhesive which is cold-adhered by simple pressure.
  • a heat-sealing lacquer or another type of adhesive for example an adhesive which is cold-adhered by simple pressure.
  • a tongue 54 is slightly pushed back with a fingernail to grip the other tongue 54, and one pulls on the corresponding side to tear off part of the strip 48, then one starts again on the other side by gripping the another tongue 54.
  • the remaining upper part of the wing 35 thus cut can then be grasped from below, and, by pulling upwards, the cover opens around the fold line 55 located on the other side, the nipples 10 8 emerging from the holes 57.
  • the slots 49 could be extended, in the rectangle 18, up to the lines 40.
  • the tear strip 48 can be produced in different ways. It can be a wire incorporated into the cardboard, or a narrow strip of resistant material capable of cutting the cardboard when its end is pulled, for example such as the strip available commercially under the registered trademark "TIRECEL".
  • the egg box thus produced is very rigid, and its cover 2 is not liable to separate from the body 1 during its handling.
  • the cover can be made with a thin and economical cardboard.
  • the printed stock consisting of cardboard in strips, is compact, as is the body stock 1.
  • the absence of cardboard on the small end faces of the box ensures good ventilation of the eggs, again favored by the shape of the alveoli, which only support the eggs in points.
  • the rectangle 18 b again includes the lines 41, 41 8 , 43 and 45 defined above, except that the lines 43 converge towards the axis of symmetry XX.
  • the holes 57 are removed, as well as the pins 1 O * of the body 1.
  • two weakened lines 58 perpen dicular to the axis XX; these extend beyond the lines 41 to approximately one third of the distance separating these lines 41 from the edges 42.
  • From each end of each line 58 symmetrically two weakened lines 59 slightly inclined towards the outside with respect to the XX axis.
  • the set of lines 59 thus draws, on each side of the axis XX, a weakened broken line 60 extending from one line 40 to another and comprising three elbows, one at its meeting with each line 58 and one midway between the two lines 58.
  • the fitting of the rectangle 1 8 '3 on a body 1 is identical to that described above with regard to Figs. 1 to 3, the gluing of the wings 35 b being carried out on the lateral pins 12 below the lines 60.
  • One accesses two end eggs by tearing the parts of the two lines 60 between the corresponding end of the cover and the first line 58 encountered, as well as this line 58. then has similar access to the next two eggs, etc.
  • the axis XX could moreover be materialized by a weakened line to allow only one egg to be discovered at a time.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)

Claims (10)

1. Hauptteil aus Kunststoff, der insbesondere transparent ist, für eine Eierschachtel in der Form, daß er aus einer ebener Folie (3) mit im allgemeinen rechteckiger Form besteht, auf der nach unten vorstehend wenigstens zwei Längsreihen von konvergierenden Aushöhlungen (4) vorgesehen sind, die nach oben offen sind, und daß nach oben Mittelzacken (9, 10) vorgesehen sind, die nach unten offen sind und zwischen diesen beiden Reihen liegen, sowie Seitenzacken (12), die nach unten liegen und längs jedes Längsrandes der Folie rechts von den Mittelzacken liegen, dadurch gekennzeichnet, daß bei diesem Hauptteil jede Seitenzacke (12) die Form einer Pyramide hat, deren äußere Seitenkante (15) von einer ebenen geneigten Fläche gebildet wird und daß alle äußeren und auf einer Seite liegenden Seitenflächen (15) koplanar sind.
2. Eierschachtel von der Bauart, bei der einerseits ein Hauptteil (1) aus Kunststoff, der insbesondere transparent ist, der von einer ebenen Folie (3) mit im allgemeinen rechteckiger Form gebildet wird, auf der nach unten wenigstens zwei Längsreihen von konvergierenden Aushöhlungen (4) vorstehen, die nach oben offen sind und die nach oben Mittelzacken (9, 10) hat, die nach unten offen sind und zwischen diesen beiden Reihen liegen, sowie Seitenzacken (12) die nach unten offen sind und längs jedem Längsrand der Folie rechts von den Mittelzacken liegen und bei der andererseits ein Deckel aus einem ebenen Karton (2) vorgesehen ist, dessen Mittelteil von den Mittelzacken (9, 10) unterstützt ist und von zwei Seitenflügeln (35) begrenzt wird, die nach unten geneigt sind und deren freie Enden auf den Seitenteilen (12) der Folie befestigt sind, wobei wenigstens ein Flügel durch Haftung befestigt ist, dadurch gekennzeichnet, daß der Hauptteil (1) der Schachtel entsprechend Anspruch 1 ausgebildet ist und daß das freie Ende jedes Seitenflügels (35) des Deckels (2) in der Anordnung der äußeren Seitenflächen (15) der Seitenbacken (12) haftet, die auf einer Seite liegen.
3. Eierschachtel nach Anspruch 2, dadurch gekennzeichnet, daß ein Seitenflügel (35) ein horizontales Reißband (48) trägt.
4. Eierschachtel nach Anspruch 3, dadurch gekennzeichnet, daß das Reißband (49) eine Greifeinrichtung (52) aufweist, die zwischen den beiden Seitenzacken (12) dieser Folie (3) liegt.
5. Eierschachtel nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, daß der andere Seitenflügel (35) des Deckels (2) eine horizontale Faltlinie (55) besitzt.
6. Eierschachtel nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß der Mittelabschnitt des Deckels (2) rechts von wenigstens bestimmten Mittelzacken (10) Öffnungen (57) aufweist, in die kraftschlüssig zylindrische Zentrierteile (1 Oa) eingreifen, die an der Spitze dieser Zacken nach oben vorspringen.
7. Eierschachtel nach Anspruch 2, dadurch gekennzeichnet, daß jeder Endrand des Deckels (2) drei Klappen (46-47) aufweist, die nach unten gefaltet sind und daß ein Endabschnitt der beiden Seitenflügel (47) Endabschnitte des Mittelflügels (46) überlappt und auf diesen aufgeklebt ist.
8. Eierschachtel nach Anspruch 2, dadurch gekennzeichnet, daß der Deckel (2) Schwächungslinien (58, 60) aufweist, die dazu bestimmt sind, daß man sukzessiv Zugang zu den in der Schachtel (1, 2) enthaltenen Eiern hat.
9. Eierschachtel nach Anspruch 8, dadurch gekennzeichnet, daß der Deckel (2) quer verlaufende Schwächungslinien (58) aufweist, die rechts von jedem dazwischenliegenden Mittelzacken (10) angeordnet sind und die sich von jeder Seite bis zu einer Zwischenstelle der Seitenflügel (35b) erstrecken, und daß die Enden dieser Schwächungslinien (58) mittels einer etwa horizontalen Schwächungslinie (60) verbunden sind, die sich vom einen zum anderen Ende des Deckels erstreckt.
10. Eierschachtel nach Anspruch 9 in zwei Reihen von Aushöhlungen (4), dadurch gekennzeichnet, daß der Deckel (2) auch eine in der Mitte liegende und in Längsrichtung verlaufende Schwächungslinie aufweist.
EP19790400299 1978-03-03 1979-05-11 Eierschachtel Expired EP0006043B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79400299T ATE216T1 (de) 1978-05-31 1979-05-11 Eierschachtel.

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR7806181A FR2418753A1 (fr) 1978-03-03 1978-03-03 Boite a oeufs
FR7816243A FR2427272A2 (fr) 1978-05-31 1978-05-31 Boite a oeufs
FR7816243 1978-05-31
FR7832001A FR2440891A2 (fr) 1978-11-13 1978-11-13 Boite a oeufs
FR7832001 1978-11-13

Publications (2)

Publication Number Publication Date
EP0006043A1 EP0006043A1 (de) 1979-12-12
EP0006043B1 true EP0006043B1 (de) 1981-09-16

Family

ID=27250814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790400299 Expired EP0006043B1 (de) 1978-03-03 1979-05-11 Eierschachtel

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EP (1) EP0006043B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8305815D0 (en) * 1983-03-02 1983-04-07 Brown W R Packaging boxes/cartons
FR2580602B1 (fr) * 1985-04-22 1987-12-11 Ono Boite a oeufs
FR2686575B1 (fr) * 1992-01-27 1995-05-05 Rochette Cartotec Emballage clos pour produits alimentaires et dispositif associe de mise en óoeuvre.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372856A (en) * 1967-05-23 1968-03-12 Burd & Fletcher Company Lid for egg carton
FR2098626A5 (de) * 1970-07-22 1972-03-10 Baker Theodore

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Publication number Publication date
EP0006043A1 (de) 1979-12-12

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