EP0066077B1 - Boîte pliante pour matériaux à déverser, notamment pour liquides - Google Patents

Boîte pliante pour matériaux à déverser, notamment pour liquides Download PDF

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Publication number
EP0066077B1
EP0066077B1 EP82103385A EP82103385A EP0066077B1 EP 0066077 B1 EP0066077 B1 EP 0066077B1 EP 82103385 A EP82103385 A EP 82103385A EP 82103385 A EP82103385 A EP 82103385A EP 0066077 B1 EP0066077 B1 EP 0066077B1
Authority
EP
European Patent Office
Prior art keywords
folding box
outlet connection
box according
wedge
shaped
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
EP82103385A
Other languages
German (de)
English (en)
Other versions
EP0066077A1 (fr
Inventor
Hans Juchem
Hans-Uwe Richter
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.)
Hermetic-Verpackung & Co KG GmbH
Original Assignee
Hermetic-Verpackung & Co KG GmbH
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 Hermetic-Verpackung & Co KG GmbH filed Critical Hermetic-Verpackung & Co KG GmbH
Priority to AT82103385T priority Critical patent/ATE9978T1/de
Publication of EP0066077A1 publication Critical patent/EP0066077A1/fr
Application granted granted Critical
Publication of EP0066077B1 publication Critical patent/EP0066077B1/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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/062—Flexible containers disposed within polygonal containers formed by folding a carton blank
    • B65D77/065—Spouts, pouring necks or discharging tubes fixed to or integral with the flexible container

Definitions

  • the invention relates to a folding box for pourable goods, in particular for liquids, with a folding tubular flap comprising cardboard or cardboard, which can be folded up on the bottom and on the lid, in which a substantially tubular bottom and lid side is folded in and can be sealed with a sealable joint is, in the cover side of which a sealing piece provided with a closure part is sealed.
  • a known folding box (GB-A No. 1022538) of the type described above, in contrast to sheet metal or plastic containers, has the basic advantage that it can be delivered and stored in a space-saving manner when folded. After being used, the emptied folding box can be effortlessly compressed, again stored in a space-saving manner, and can also be burned or rotten with little residue.
  • the inner lining consists of a foil-like material such as Polyethylene film or aluminum film.
  • the inner lining has an outwardly projecting longitudinal sealing joint, so that there is a tubular structure which is initially open on the bottom and lid sides and which is held on the inner wall surface of the approximately tubular cardboard or cardboard folding jacket with a plurality of adhesive locations, which can be folded together for storage purposes . If the carrier foil (e.g. aluminum foil) of the inner lining itself cannot be welded, the carrier foil is covered on the inside with a sealing layer, e.g. Heat seal layer, provided so that the upper and lower sealing joints can be made later.
  • a sealing layer e
  • the folding box known from GB-A No. 1022538 has a closable lid-side outlet nozzle sealed next to the upper sealing joint, which allows partial delivery with subsequent reclosure, which is desirable and advantageous for a large number of oxidizable or hygroscopic pourable goods.
  • the sealing of the spout inserted laterally next to the upper sealing joint in a separate opening in the inner lining is problematic.
  • the sealing tool requires a lower abutment, which requires considerable mechanical effort.
  • the invention is aware of the disadvantages of the known, the task of creating a folding box that allows a reusable liquid and gas-tight seal with overall simple means.
  • this object was achieved in that the outlet nozzle is sealed in the sealing joint of the inner lining, and in that the outlet nozzle has at least one gusset-shaped shoulder on its outer lateral surface, which, filling a zig-zag transition gap between the lining film and outlet nozzle, has its free gusset edge in the Seal joint protrudes.
  • an outlet nozzle previously inserted into the joint opening is sealed at the same time.
  • the invention therefore does not require a push-through opening to be introduced separately for the outlet connection.
  • the sealing is expediently carried out by means of two heated sealing jaw tools which can be moved together and pressed against one another.
  • a lower abutment which is complex in terms of workflow and mechanically, is inherently superfluous in realizing the invention.
  • considerable difficulties had to be overcome with the creation of the folding box according to the invention, since the outlet connection could not initially be sealed in the sealing joint in a completely liquid-tight and gas-tight manner.
  • the invention has solved this additional problem while maintaining a simple design in that the outlet spigot has at least one gusset-shaped shoulder on its outer surface, which, filling a gusset-shaped transition gap between the lining film and the outlet spigot, projects into the sealing joint with its free gusset edge.
  • the outlet spigot has at least one gusset-shaped shoulder on its outer surface, which, filling a gusset-shaped transition gap between the lining film and the outlet spigot, projects into the sealing joint with its free gusset edge.
  • the outlet nozzle In the event that the outlet nozzle is inserted directly at one end of the lid-side joint opening of the inner liner, it may be sufficient for the outlet nozzle to have only a gusset-shaped extension on its outer surface that protrudes toward the middle of the box into the sealing joint. In the event that the outlet nozzle is arranged only a little away from one end of the joint, it has proven to be expedient, according to further features of the invention, to provide a gusset-shaped attachment on the outer lateral surface of the outlet nozzle at two diametrically opposite points. The two diametrically opposite gusset-shaped approaches then penetrated - each gusset-shaped approach by themselves - into the adjacent sealing gap by sealingly filling the respective gusset gap in the sealing gap.
  • the gusset-shaped attachment as a one-piece, integral part of the outlet connector forming a plastic injection-molded part, smoothly merges into the outer lateral surface of the outlet connector with concave connection areas extending on both sides parallel to the free gusset edge.
  • the smooth transitions also allow the lining film to be applied tightly to the outlet nozzle during the sealing process gangs.
  • welding is intended between the inner coating of the lining film or between the film itself and the outlet connection area of the sealing film, it has proven to be expedient to provide the same material.
  • the lining foils themselves and their inner coating as well as the outlet spout itself can be made of polyethylene.
  • the invention further provides that the outer jacket surface of the outlet connector at least at the approximately 90 or 180 degrees of circumference from the gusset-shaped attachment has a convexly rounded cross-sectional contour.
  • the simplest way of fulfilling these features of the invention is that the outer circumferential surface of the outlet connector which carries the gusset-shaped attachment or the gusset-shaped attachments essentially has a circular cross-sectional contour.
  • each gusset-shaped attachment measured parallel to the central longitudinal axis of the outlet connector corresponds approximately to the width of the sealing joint.
  • the releasable closure part which closes the outlet opening of the outlet nozzle can be made of a threaded cap known per se or e.g. consist of a snap-lock cap or a known snap-lock plug.
  • the closure part is a threaded cap, gagging of the film-like inner container when unscrewing the threaded cap must be avoided.
  • the invention provides that the outlet connection between the sealing joint and its outlet opening or below the sealing joint (in the latter case: inside the inner lining) forms anti-rotation surfaces.
  • the folding box for liquids shown in FIG. 1 is designated overall by the reference number 10.
  • the folding box 10 initially consists of an approximately tubular folding jacket 11 made of cardboard or cardboard, which has folding tabs that can be folded and glued on the bottom and lid side. From Fig. 1 only the lid-side folding tabs 12, 13, 14 and 15 can be seen.
  • an essentially tubular bottom and lid side is folded and held with a sealing joint, each with an inner lining 16 made of film-like material.
  • the sealing joint 17, which e.g. is filled by a heat seal adhesive, is located between two sealing edges 18 and 19 of the tubular inner lining 16 on the cover side.
  • an outlet spout made of plastic (e.g. polyethylene), designated overall by 20, which can be closed by means of a screw cap 21.
  • the outlet connection 20 has an attachment 22 provided with an external thread, onto which the screw cap 21 shown in FIG. 1 (see also FIG. 5) can be screwed.
  • An essential area of the outlet connector 20 consists of its outer lateral surface 23, which has a mainly circular cross-sectional contour. From the outer lateral surface 23 of the outlet connector 20 forming a plastic injection molded part, a gusset-shaped attachment 24 protrudes in one piece and is integrally connected at two diametrically opposite points. It can be seen particularly clearly from FIG. 2 that each gusset-shaped attachment 24, filling a gusset-shaped transition gap between the sealing edges 18, 19 and the outlet connection 20, which is not further specified, projects with its respective free gusset edge 35 into the sealing joint 17.
  • each gusset-shaped extension 24 with concave connection regions 25, 26 extending parallel on both sides to the free gusset edge 35 smoothly merges into the outer lateral surface 23 of the outlet connector 20.
  • This gusset design with the smooth transition points allows a liquid and gas-tight sealing with the outer surface 23 of the outlet connector 20 into the sealing joint 17.
  • each gusset-shaped extension 24 it has proven expedient, as can be seen particularly clearly from FIG. 3, to choose the axial length 1 of each gusset-shaped extension 24 approximately equal to the width b of the sealing joint 17.
  • the outlet connection 20 is, due to the flexibility of the inner liner 16, attached to the inner liner 16 by the seal in a space-articulated manner.
  • This arrangement basically allows swiveling in and out speaking of the curved double arrow denoted by y in FIG. 1.
  • This arrangement according to the invention basically allows two different embodiments. Firstly, the embodiment according to FIG. 4, according to which the outlet connection 20 is pivoted inward along the arrow y and is stored within a free storage space on the cover side within the folded casing 11 of the folding box 10 and the cover arrangement is then closed.
  • the key surfaces 28 arranged between the outlet opening 31 and the sealing joint 17 are formed overall by a screw head-like hexagon 32, on the edges of which groove-shaped depressions 33 are provided, approximately in the center at the axial height x of the key surfaces 28.
  • the fork-shaped reveals 29, 30 of the cover-side folding tabs 12, 15 can engage in these groove-shaped recesses 33, so that in this way an axial securing of the hexagon 32 - and thus its continued protection against rotation - is brought about.
  • FIG. 5 shows a folding box 10a, in which the outlet nozzle 20 with threaded screw cap 21 is accessible from the outside from the beginning.
  • the cardboard or folding jacket 11 therefore does not need to have any separate storage space for accommodating the outlet connection 20 which is otherwise kinked according to FIG. 4.
  • the lid arrangement of the folding jacket 11 differs from the exemplary embodiment according to FIG. Only in that no tear-open tab 27 is provided from the beginning.
  • 5 has an essentially plate-shaped extension 34 (only partially shown), which is supported in a manner not shown on the inner circumferential surface of the cardboard or cardboard folding body 11 and thus protects against rotation Gagging the closure arrangement with the outlet nozzle 20 causes.
  • the plate-shaped extension 34 can also be arranged below the sealing joint 17 on the outlet connection 20 and, with the interposition of the inner liner 16, can be supported on the inner wall surfaces of the folded jacket 11 in a rotationally securing manner.
  • outlet opening 31 of the possibly previously sealed-in outlet connector 20 is also possible, moreover, to use the outlet opening 31 of the possibly previously sealed-in outlet connector 20 as a filling opening for introducing the product to be filled.
  • the central longitudinal axis of the outlet nozzle 20 is designated by a.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)

Claims (12)

1. Boîte pliante (10) pour matériaux à déverser, notamment pour liquides, comportant une enveloppe pliante (11) en carton de n'importe quel grammage, de forme sensiblement tubulaire, qui présente des pattes (12, 13, 14, 15) pouvant se rabattre du côté du fond et du couvercle, et dans laquelle est maintenue une doublure intérieure (16) de forme essentiellement tubulaire pouvant être repliée du côté du fond et du couvercle et obturée, chaque fois, par un joint scellé, dans laquelle est scellée, du côté du couvercle, une tubulure d'écoulement (20) munie d'un côté d'une partie d'obturation, caractérisée par le fait que la tubulure d'écoulement (20) est scellée dans le joint scellé (17) de la doublure intérieure (16) et que la tubulure d'écoulement (20) présente, sur sa surface (23) d'enveloppe extérieure, au moins un appendice cunéiforme (24) qui, comblant un vide de transition cunéiforme entre feuille de doublure (18, 19) et tubulure d'écoulement (20), pénètre avec son bord libre cunéiforme (35) dans le joint scellé (17).
2. Boîte pliante selon la revendication 1, caractérisée par le fait que l'appendice cunéiforme (24), réalisé en tant que partie intégrante d'une seule pièce venant de matière avec la tubulure d'écoulement (20), qui forme une pièce en matière plastique moulée par injection, présente, avec des zones de liaison (25,26) concaves s'étendant sur les deux côtés, parallèlement au bord libre cunéiforme (35), une transition souple se fondant dans la surface (23) d'enveloppe extérieure de la tubulure d'écoulement (20).
3. Boîte pliante selon l'une des revendications 1 ou 2, caractérisée par le fait que la surface (23) d'enveloppe extérieure de la tubulure d'écoulement (20) présente, au moins aux points placés à des écarts angulaires respectifs de 90 ou 180° sur la circonférence par rapport à l'appendice cunéiforme (24), une section transversale au contour arrondi et convexe.
4. Boîte pliante selon la revendication 3, caractérisée par le fait que la surface (23) d'enveloppe extérieure de la tubulure d'écoulement (20), qui forme l'appendice cunéiforme (24), possède une section transversale au contour essentiellement circulaire.
5. Boîte pliante selon l'une des revendications 1 à 4, caractérisée par le fait que, en deux points diamétralement opposés sur la surface (23) d'enveloppe extérieure de la tubulure d'écoulement (20), est chaque fois prévu un appendice cunéiforme (24).
6. Boîte pliante selon l'une des revendications 1 à 5, caractérisée parle fait que la longueur axiale (I) de chaque appendice cunéiforme (24) correspond à peu près à la largeur (b) du joint scellé (17).
7. Boîte pliante selon l'une des revendications 1 à 6, caractérisée par le fait que la tubulure d'écoulement (20) forme des surfaces (28) antitorsion qui sont placées entre le joint scellé (17) et son orifice d'écoulement (31 ).
8. Boîte pliante selon la revendication 7, caractérisée par le fait que les surfaces antitorsion forment les surfaces clés (28) d'un six pans régulier (32).
9. Boîte pliante selon l'une des revendications 7 ou 8, caractérisée par le fait que, à peu près à la moitié de la hauteur axiale (x) des surfaces clés (28), sont prévus des creux (33) en forme de rainures, destinés à recevoir des zones de bordure intérieure (en 29 et 30) d'une échancrure de blocage prévue chaque fois du côté du couvercle dans au moins une patte pliable (12 et 19) en carton de n'importe quel grammage.
10. Boîte pliante selon l'une des revendications 7 à 9, caractérisée par le fait que les surfaces antitorsion sont formées par au moins un prolongement (34) sensiblement en forme de plaque qui, s'étendant à peu près axialement par rapport à l'axe longitudinal médian (a) de la tubulure d'écoulement (20) prend appui sur au moins une surface de paroi intérieure de l'enveloppe pliante (11) en carton de n'importe quel grammage.
11. Boîte pliante selon la revendication 10, caractérisée par le fait que le prolongement (34) en forme de plaque présente une forme de base à peu près rectangulaire et prend appui sur au moins deux surfaces de paroi intérieures opposées l'une à l'autre de l'enveloppe pliante en carton de n'importe quel grammage.
12. Boîte pliante selon l'une des revendications 1 à 11, caractérisée par le fait que la boîte pliante (10) forme, côté intérieur, une cavité de rangement pour recevoir la tubulure d'écoulement (20) rabattue vers l'intérieur par une flexion d'à peu près 90° (autour de y), avec son point de jonction à la feuille de doublure (18,19).
EP82103385A 1981-05-14 1982-04-22 Boîte pliante pour matériaux à déverser, notamment pour liquides Expired EP0066077B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82103385T ATE9978T1 (de) 1981-05-14 1982-04-22 Faltschachtel fuer schuettfaehiges gut, insbesondere fuer fluessigkeiten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3119140A DE3119140C2 (de) 1981-05-14 1981-05-14 Faltschachtel für schüttfähiges Gut, insbesondere für Flüssigkeiten
DE3119140 1981-05-14

Publications (2)

Publication Number Publication Date
EP0066077A1 EP0066077A1 (fr) 1982-12-08
EP0066077B1 true EP0066077B1 (fr) 1984-10-24

Family

ID=6132271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82103385A Expired EP0066077B1 (fr) 1981-05-14 1982-04-22 Boîte pliante pour matériaux à déverser, notamment pour liquides

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EP (1) EP0066077B1 (fr)
AT (1) ATE9978T1 (fr)
DE (2) DE3119140C2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3244762C1 (de) * 1982-12-03 1984-08-16 Hermetic-Verpackung GmbH & Co KG, 5600 Wuppertal Faltschachtel für schüttfähiges Gut, insbesondere für Flüssigkeiten
DE3425833C2 (de) * 1984-07-13 1986-07-17 Hermetic-Verpackung GmbH & Co KG, 5600 Wuppertal Faltschachtel für schüttfähiges Gut, insbesondere für Flüssigkeiten
DE3910680A1 (de) * 1988-05-09 1989-11-23 Henkel Kgaa Verpackungsbehaelter und verfahren zum fuellen sowie inbetriebnehmen des behaelters
DE3836068A1 (de) * 1988-10-22 1990-04-26 Henkel Kgaa Verpackungsbehaelter zur aufnahme eines fliessfaehigen produktes
DE3836069C1 (fr) * 1988-10-22 1989-12-07 Henkel Kgaa, 4000 Duesseldorf, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH352277A (fr) * 1958-10-09 1961-02-15 Frame Sa Récipient
GB1022538A (en) * 1962-11-21 1966-03-16 Reed Paper Group Ltd Improvements in or relating to portable containers
SE332780B (fr) * 1965-03-04 1971-02-15 Pembroke Carton & Printing Co
FR1551068A (fr) * 1967-09-27 1968-12-27
FR2456054A1 (fr) * 1979-05-11 1980-12-05 Erb Rene Container complexe avec carton et outre en film plastique
DE2948944A1 (de) * 1979-12-05 1981-06-11 Carl Edelmann Gmbh, 7920 Heidenheim Aus einer kartonhuelle und einem beutel bestehende packung insbesondere fuer fluessigkeiten

Also Published As

Publication number Publication date
DE3261039D1 (en) 1984-11-29
EP0066077A1 (fr) 1982-12-08
DE3119140C2 (de) 1984-05-17
DE3119140A1 (de) 1982-12-02
ATE9978T1 (de) 1984-11-15

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