EP0084018B1 - Boîte pliante munie d'une ouverture de déversement refermable - Google Patents

Boîte pliante munie d'une ouverture de déversement refermable Download PDF

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Publication number
EP0084018B1
EP0084018B1 EP83810002A EP83810002A EP0084018B1 EP 0084018 B1 EP0084018 B1 EP 0084018B1 EP 83810002 A EP83810002 A EP 83810002A EP 83810002 A EP83810002 A EP 83810002A EP 0084018 B1 EP0084018 B1 EP 0084018B1
Authority
EP
European Patent Office
Prior art keywords
lines
tab
folding
wall
side wall
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
EP83810002A
Other languages
German (de)
English (en)
Other versions
EP0084018A1 (fr
Inventor
Ernst Isler
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT83810002T priority Critical patent/ATE16788T1/de
Publication of EP0084018A1 publication Critical patent/EP0084018A1/fr
Application granted granted Critical
Publication of EP0084018B1 publication Critical patent/EP0084018B1/fr
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
    • 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
    • B65D5/70—Break-in flaps, or members adapted to be torn-off, to provide pouring openings
    • B65D5/701—Tearable flaps defined by score-lines or incisions provided in the closure flaps of a tubular container made of a single blank
    • B65D5/703—Tearable flaps defined by score-lines or incisions provided in the closure flaps of a tubular container made of a single blank the score-lines or incisions extending in the body of the tubular container
    • 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
    • B65D5/5405—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form
    • B65D5/542—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form the lines of weakness being provided in the container body
    • B65D5/544—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form the lines of weakness being provided in the container body and defining after rupture a lid hinged about a line located in the top surface of the container

Definitions

  • the present invention relates to a folding box with a reclosable pouring opening according to the preamble of independent claim 1.
  • the problem of spouts on folding boxes has been addressed many times.
  • a solution for cuboid folding boxes was specified in CH-A 527 735.
  • the closure of the folding box should have a dividing flap, which is connected to the front wall by a fold line, in such a way that a flap of twice the thickness of the material is produced when the closing edge is opened, which serves as an insertion flap. This closure opens the entire top surface of the folding box and no spout is formed.
  • the object of the invention is to eliminate this disadvantage. This object is achieved by the characterizing features of claim 1.
  • the triangular surface areas formed by the first and third perforation lines and the fold lines can be folded in sideways during reclosing, thereby achieving a flat seal.
  • the blank has a front wall 10, a rear wall 12 separated therefrom by a side wall 11 and a second side wall 13 on the second side part of the front wall 10.
  • the rear wall 12 has on its corresponding side part an adhesive flap 14 which is glued to the outer side wall 13 in order to close the folding box on its circumference.
  • the front wall 10, the rear wall 12 and the two side walls 11, 13 each have a cover flap 15-18 and 19-22 on both sides.
  • the front wall 10 is delimited from the two side walls 11, 13 by means of fold lines 30, 31 and from the cover flaps 15, 19 by means of fold lines 34.
  • the rear wall 12 is delimited accordingly with fold lines 34, 36 from the cover flaps 17, 21 and with fold lines 32, 33 from the side wall 11 or from the adhesive flap 14.
  • the dividing lines between the cover flaps 15-18 and 19-22 in the continuation of the folding lines 30-33 are sections which are cut through in a known manner.
  • a tear tab with the tear perforation lines 50, 51, 52 is formed in the side wall 11 located between the front wall 10 and the rear wall 11.
  • Two first tear-open perforation lines 50, 51 lie in the fold lines 31, 32 and second tear-open perforation line 52 crosses the side wall 11 and connects the end points of the two other tear-open perforation lines 50, 51.
  • Third tear-open perforation lines 53, 54 lie in the fold lines 36, 37 between the respective cover flaps 19, 21 and front wall 10 or rear wall 12.
  • the lengths of the first and third tear-open perforation lines 50, 54 and 51, 53 are not the same size.
  • the end points of the tear perforation lines 50, 54 and 51, 53 lying on the edge of the front wall 10 and on the edge of the rear wall 12 are each connected to one another by a fold line 55, 56.
  • Two triangular fields 63, 64 are thus delimited in the front wall 10 and in the rear wall 12.
  • Two further fold lines 57, 58 cross the cover flaps 19, 21 perpendicular to the second tear perforation lines 53, 54 and have their origin in their end points.
  • Two rectangular fields 61, 62 are thus delimited in the cover flaps 19, 21.
  • the side wall edge on which the pouring spout is located is of such a closed folding box voltage is attached, shown in Figs. 2 to 4.
  • the perforation line 52 can be broken open by pressing in the direction of arrow A at point B in FIG. 2.
  • the tear tab 60 on the side wall 11 can thus be covered and opened upwards along the tear perforation lines 50, 51 and 53, 54. This creates a pouring opening according to FIG. 3.
  • the triangular surface portions 55, 56 which are delimited by fold lines 55, 56 from the front wall 10 and the rear wall 12, are folded inwards and the tear-open tab 60 is between the side wall 11 and the adjacent edges of the tear perforation lines 50, 51 are pushed down into the folding box.
  • the pouring opening according to FIG. 4 is closed again.
  • FIG. 5 A second embodiment of the tear-open tab is shown in FIG. 5 in the original closed form and in FIG. 6 in the resealed form.
  • the lengths of the first tear-open perforation lines 50a, 51a and the third tear-open perforation lines 53, 54 are the same length.
  • the fold lines 55a, 56a thus have a length a ⁇ i. If the length of the third tear-open perforation line 53, 54 is a.
  • the tear tab 60a is here provided with a tab 70 which is formed by a semicircular cut 73. On both sides of the incision 73 there are fold lines 71, 72 which run parallel to the second tear perforation line 52a.
  • the tear tab is divided in the ratio b: d by these fold lines 71, 72.
  • the length b is such that the sum of the length a of the third tear-open perforation lines 53, 54 and the length b is equal to the length c of the fold lines 55a, 56a.
  • the tear-open tab can be gripped and torn open completely.
  • the tab 70 is removed to the outside by bending the tear tab 60a downward along the fold lines 71, 72.
  • the bent part of the tear tab 60a with the length d is pushed between the side wall 11 and the edges of the broken tear perforation lines 50a, 51a. This closes the pouring spout according to FIG. 6.
  • fold lines can also be embossed in such a way that the closure lid of the pouring opening, which is formed with these sections of the blank, can be pressed into the pouring opening to form a dustproof closure form.
  • folding lines are known from packaging technology and therefore do not need to be specifically explained at this point.
  • a third exemplary embodiment differs from this known exemplary embodiment only in that the flap 70 is provided with a fold line 74 between the end points of the semicircular cut 73 and the fold lines 71, 72 described earlier are omitted.
  • the closed folding box is shown in Fig. 7.
  • FIGS. 9 to 12. 9 the edge parts 50a, 51 abutting the upper edge 39 between the front wall 10, rear wall 12 of the side wall 11 on the one hand and the edge parts 53, 54 between the front wall 10, rear wall 12 and the associated cover flap 19, 21 on the other hand perforated.
  • Another perforation 52a crosses the side wall 11 at the end points of the perforated lines 50a, 51a.
  • a finger tab 90 with a semicircular perforation line 91 and a fold line 92 is delimited in the tear tab 60 of the side wall 11.
  • the fold lines 93 for delimiting the triangular corner parts 63 are additionally weakened at their end parts 94 by incisions.
  • the edge perforations 50a, 51 a, 53, 54 jump open, and the tab 60 can be separated at the perforation line 52a.
  • the tab 60 is gripped and, after the tab 61 has been pressed inwards, pushed over the tear-off edge of the perforation line 52a into the folding box until the finger tab 90 comes to lie behind the side wall 11. This mutual position is shown in Fig. 10.
  • 11 and 12 show a folding box in which the pouring opening can be closed in a self-retaining manner.
  • this additional folding box has a finger opening 100 in the outermost cover flap 19 in the rectangular upper corner field 61.
  • perforation lines 50a, 51a, 52a, 53 and 54 are the same and have similar masses as in the exemplary embodiment according to FIG. 5 and 6 stamped.
  • the folding line 101 is at a distance b from the upper edge 39 or at a distance d from the perforation line 52a crossing the side wall 11 and is arranged parallel to the upper edge 39.
  • This folding box is also opened by lateral pressure on the triangular surface parts 55, 56 and by separating the flap 60 from the side wall 11.
  • the rear triangular surface part 64 is first folded inwards, then the flap 60 over this folded surface part 64 with the tab part 60a pushed behind the side wall 11, and finally the tip 102 of the front triangular surface area 63 is pushed into the finger opening 100.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)

Claims (8)

1. Boîte pliante munie d'une ouverture, refermable, de déversement, boîte obtenue d'un flan en carton comportant une paroi avant (10), une paroi arrière (12) qui en est séparée par une première paroi latérale (11), une seconde paroi latérale (13) raccordée du côte externe à la paroi avant (10) et une patte (14) à coller raccordée du côté externe à la paroi arrière (12) ainsi que des pattes de couverture (15 à 22) raccordées aux autres bords de la paroi avant, de la paroi arriére et des parois latérales, la boîte comportant une patte (60), à détacher, ménagée dans la première paroi latérale (11) qui est délimitée dans le flan en carton par deux premières lignes (50, 51) de perforations partant de début de la patte (20) de couverture de cette latérale (11) dans les lignes (31, 32) de pliure entre la paroi latérale (11), la paroi avant (20) et la paroi arrière (12), et par une seconde ligne (52) de perforations traversant entièrement la paroi latérale (11), les deux premières lignes (50, 51) de perforations ayant la même longueur dans les lignes de pliure, la seconde ligne (52) de perforations reliant les uns autres les points extrêmes des deux premières lignes (50, 51) de perforations et, des troisièmes lignes (53, 54) de perforations, d'égale longueur, étant présentes dans les lignes (36, 37) de pliure entre la paroi avant (10) et la patte (19) de couverture correspondante, d'une part, et entre la paroi arrière (12) et la patte de couverture (21) correspondante, d'autre part, et ces lignes partant de la paroi latérale (11) intercalée, boîte caractérisée en ce que les points extrêmes des premières et troisièmes lignes (50, 51; 53, 54) de perforations sont reliés les uns aux autres par les premières lignes (55, 56) de pliure traversant entièrement la paroi avant (10) ou la paroi arrière (12).
2. Boîte pliante selon la revendication 1, caractérisée en ce que les pattes de couverture (19, 21) prolongeant la paroi avant (10) et la paroi arrière (12) s'étendent en travers des secondes lignes (57, 58) de pliure qui partent des points extrêmes des troisièmes lignes (53, 54) de perforations et sont perpendiculaires à celles-ci.
3. Boîte pliante selon la revendication 2, caractérisée en ce que les premières lignes (50, 51) de perforations et les troisièmes lignes (53, 54) de perforations sont de longueur inégale, et en ce que les troisièmes lignes (53, 54) de perforations sont les plus longues.
4. Boîte pliante selon la revendication 3, caractérisée en ce que, après le détachement de la patte (60) à détacher et après le rabattement vers l'intérieur des parties (63, 64) de coin formées par les premières lignes (55, 56) de pliure, la patte (60) sert de patte à insérer et est utilisée pour refermer la boîte pliante.
5. Boîte pliante selon la revendication 2, caractérisée en ce que les premières lignes (50, 51) de perforations et les troisièmes lignes (53, 54) de perforations ont au moins approximativement la même longueur.
6. Boîte pliante selon la revendication 5, caractérisée en ce que, dans la partie de la patte (60) à détacher formée à partir de la paroi latérale (11) est disposé un évidement (70) en demi-cercle, ayant la forme d'un trou en forme de doigt dans lequel le doigt peut s'introduire, et dont de diamètre (74) est perpendiculaire aux premières lignes (50, 51) d'affaiblissement et en ce que la patte ainsi formée est dirigée vers l'extrémité de la patte (60) à détacher.
7. Boîte pliante selon la revendication 6, caractérisée en ce que deux troisièmes lignes (71, 72) de pliure s'étendent des points extrêmes de l'évidement (70) en demi-cercle jusqu'aux premières lignes (50, 51) d'affaiblissement.
8. Boîte pliante selon la revendication 6, caractérisée en ce qu'une troisième ligne (74) de pliure est disposée entre les points extrêmes de l'évidement (70) en demi-cercle en travers de la patte.
EP83810002A 1982-01-07 1983-01-05 Boîte pliante munie d'une ouverture de déversement refermable Expired EP0084018B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83810002T ATE16788T1 (de) 1982-01-07 1983-01-05 Faltschachtel mit wiederverschliessbarer ausgussoeffnung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7182 1982-01-07
CH71/82 1982-01-07

Publications (2)

Publication Number Publication Date
EP0084018A1 EP0084018A1 (fr) 1983-07-20
EP0084018B1 true EP0084018B1 (fr) 1985-12-04

Family

ID=4178631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810002A Expired EP0084018B1 (fr) 1982-01-07 1983-01-05 Boîte pliante munie d'une ouverture de déversement refermable

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EP (1) EP0084018B1 (fr)
AT (1) ATE16788T1 (fr)
DE (1) DE3361357D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8920336D0 (en) * 1989-09-08 1989-10-25 Reed Packaging Ltd Carton and blank for making the same
WO2019203658A1 (fr) 2018-04-19 2019-10-24 Bama Packaging As Boîte d'emballage pour fruits, baies et légumes
NO20181681A1 (en) * 2018-04-19 2019-10-21 Bama Packaging As Packaging box for fruit, berries and vegetables

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294964A (en) * 1939-06-09 1942-09-08 Nat Biscuit Co Carton
US2358923A (en) * 1941-04-30 1944-09-26 Waldorf Paper Prod Co Carton
US2407865A (en) * 1943-12-16 1946-09-17 Ernest J Biskamp Closure for cartons
US2436981A (en) * 1944-10-05 1948-03-02 Lawrie L Witter Pouring carton
US2448819A (en) * 1944-12-20 1948-09-07 William A J Mitchell Pocket-type tissue container
NL6814149A (fr) * 1967-10-11 1969-04-15
US3669251A (en) * 1970-04-03 1972-06-13 Reynolds Tobacco Co R Display cartons and convertible shipping and display cartons and blanks therefor

Also Published As

Publication number Publication date
DE3361357D1 (en) 1986-01-16
EP0084018A1 (fr) 1983-07-20
ATE16788T1 (de) 1985-12-15

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