EP1433716B1 - Closure with a funnel shaped exit channel - Google Patents

Closure with a funnel shaped exit channel Download PDF

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Publication number
EP1433716B1
EP1433716B1 EP02028874A EP02028874A EP1433716B1 EP 1433716 B1 EP1433716 B1 EP 1433716B1 EP 02028874 A EP02028874 A EP 02028874A EP 02028874 A EP02028874 A EP 02028874A EP 1433716 B1 EP1433716 B1 EP 1433716B1
Authority
EP
European Patent Office
Prior art keywords
closing element
weld
outlet channel
bag
spout
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 - Lifetime
Application number
EP02028874A
Other languages
German (de)
French (fr)
Other versions
EP1433716A1 (en
Inventor
Hans-Peter Dr. Wild
Erhard Dr. Schwartz
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.)
Deutsche Sisi Werke GmbH and Co Betriebs KG
Original Assignee
Deutsche Sisi Werke GmbH and Co Betriebs KG
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 Deutsche Sisi Werke GmbH and Co Betriebs KG filed Critical Deutsche Sisi Werke GmbH and Co Betriebs KG
Priority to ES02028874T priority Critical patent/ES2248480T3/en
Priority to DK02028874T priority patent/DK1433716T3/en
Priority to SI200230191T priority patent/SI1433716T1/en
Priority to DE50204290T priority patent/DE50204290D1/en
Priority to AT02028874T priority patent/ATE304492T1/en
Priority to EP02028874A priority patent/EP1433716B1/en
Priority to TW092133257A priority patent/TWI224573B/en
Priority to CA002451000A priority patent/CA2451000C/en
Priority to US10/739,548 priority patent/US7762430B2/en
Priority to PL364156A priority patent/PL206884B1/en
Priority to RU2003136782/12A priority patent/RU2263615C2/en
Priority to KR1020030094461A priority patent/KR100572686B1/en
Priority to BRPI0305973A priority patent/BRPI0305973B8/en
Priority to CNB2003101231950A priority patent/CN1283526C/en
Priority to JP2003428167A priority patent/JP2004203489A/en
Publication of EP1433716A1 publication Critical patent/EP1433716A1/en
Priority to HK04110255A priority patent/HK1067354A1/en
Application granted granted Critical
Publication of EP1433716B1 publication Critical patent/EP1433716B1/en
Priority to CY20051101137T priority patent/CY1105659T1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • 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
    • B65D2231/00—Means for facilitating the complete expelling of the contents
    • B65D2231/001—Means for facilitating the complete expelling of the contents the container being a bag
    • 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
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/583—Opening or contents-removing devices added or incorporated during package manufacture the non-integral spout having an elongate cross-sectional shape, e.g. canoe or boat shaped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S383/00—Flexible bags
    • Y10S383/906—Dispensing feature

Definitions

  • the invention relates to a closure element for a package for receiving liquid or pasty Good, especially for a foil bag.
  • a closure element is already known with a funnel-shaped Part and a cylindrical part. Because here the funnel-shaped part is not in the weld-in part is provided, it protrudes far beyond the top edge of the bag.
  • Packaging for holding liquid or pasty goods are used on a large scale, especially as a beverage container or but also for cosmetics, detergents etc.
  • FIG. 1 is a closure element 31 (also called boat) with a welding part 32 in the upper area between welded to the two side walls of the bag 30 with the welds 35.
  • the closure element has an inner running, indicated by dashed lines Outlet channel 34, the top closed by a screw cap 36 is.
  • the outlet channel is in the form of a straight through hole realized and ends in lying in the bag interior flat bottom.
  • funnel-shaped with claim 1 is not necessarily rotationally symmetric to the longitudinal axis must mean the closure element.
  • the funnel-shaped outlet channel in the weld-in part is e.g. not rotationally symmetric with respect to the longitudinal axis of the closure element is, for example the longitudinal extent of the welding part greater than the extension in the direction the width, in which case the length of the outlet channel in the weld-in part in the direction pouring part decreases continuously from the longitudinal direction to the width direction.
  • the outlet channel then has the welding part about the shape of a by pressing on the side edges slightly opened, folded paper hat). This also saves over the known closure elements still material, considering the fact that it This is a mass product used a million times over, to a considerable extent Reduction of manufacturing costs leads.
  • the inclination angle ⁇ with which the slope of the outlet channel to the longitudinal axis of the closure element can vary in other limits and be up to almost 90 °, but it is preferably in a range between 20 and 85, even better between 30 and 75 °.
  • the outlet channel extends to the Spout facing away from the end of the weld first approximately parallel (optionally with a slight tendency to facilitate molding in the event of a through Injection-molded closure element) to the longitudinal axis L of the closure element and narrows only after the spout.
  • the spout can be fitted with a screw cap or with a bayonet catch be closed with a cap.
  • the closure element is in particular used in beverage containers as a mouthpiece.
  • the spout has then at its end facing away from the welding part a smooth surface. Will that be Pouring over a bayonet with a cap closed, so is the smooth Surface above the bayonet closure easy to realize.
  • the weld-in part extends with itself on its side surfaces Sealing beads is provided. Thereby, e.g. two sealing beads spaced from the Be provided upper and lower edge of the weld.
  • the caterpillars of sealable Material prevent melted when welding the weld Material leaking over the edges of the weld-in part.
  • An inventive foil bag has the closure element according to the invention on, in which the outlet channel in Einsch folkteil at least partially funnel-shaped for Poured pouring part.
  • the closure element may be at the top between the side walls in the middle or in welded or glued to a corner area.
  • bag shoulders When welded closure element arise on the left and right so-called. bag shoulders (see, e.g., area B in Fig. 10). According to a preferred embodiment the bag shoulders are next to the closure element by appropriate Welding seams welded from an outer edge of the bag at an angle to the closing element, so that when emptying no liquid residues in the bag shoulders accumulate.
  • the welds meet the lower edge facing the bag interior the side surface of the welding part.
  • the dead volume, in which at The removal of residual fluid could dam up be further reduced, as the welds a kind of extension of the pouring in the direction of pouring spout form.
  • closure elements of this kind can in principle for closing diverse kind Container to be used. However, they are preferred for flexible foil bags used, which is why the following description is based on this application refers.
  • the closure element 1 is produced as a plastic injection-molded part and has a closable Pouring part 5 and a welding part 2, which can be closed to the Pouring part 5 connects, on. Through the welding part 2 and the pouring part 5 extends itself, as is apparent from Figures 3a, b, c, d and 4, an outlet channel 4a, b.
  • the outlet channel 4b in the pouring part 5 is z.
  • the outer diameter of the closable pouring part 4b is in a range of 6 to 25 mm.
  • weld-in part 2 of the outlet channel runs 4a funnel-shaped to the pouring part 5 towards.
  • the outlet channel 4a extends at the end facing away from the spout 10 of the welding part 2 initially approximately parallel to the longitudinal axis L of the closure element up to a point P and tapered then from the point P to the pouring part 5 down to the diameter b of the outlet channel 4b reached in the pouring part 5.
  • the outlet channel 4a in the welding part 2 extends at an angle ⁇ about 75 ° to the longitudinal axis L of the closure element. This angle but can vary in other limits.
  • the height m of the welding part 2 lies in one Range from 5 to 20mm.
  • the height h of the entire closing element 1 is in a range of 15 to 70 mm.
  • the welding part 2 has a length r of 10 to 70 mm and runs, as is apparent from Figures 1 and 3b, flat in its end regions 2a. This means that the longitudinal extent k of the Outflow channel 4 a in the welding part 2 is greater than the extension in the direction of Width q.
  • the ratio of the diameter b of the outlet channel 4b in the pouring part 5 to Length k of the outlet channel 4b at the end facing away from the spout 10 is between 0.1 and 0.7.
  • the width q in the middle of the outlet channel 4a substantially corresponds the cross-section b of the outlet channel 4b in the pouring part. 5
  • the length k of the outlet channel 4b increases Direction pouring part 5 from the point P steadily from until the diameter b of the outlet channel 4a in the pouring part 5 corresponds.
  • the dimension k 'at the intersection C-C is smaller than the dimension k at B-B, while the width q of the outlet channel 4b in the direction of pouring part 5 in Remains essentially constant.
  • the term "funnel-shaped course" here means so not that it is a about the longitudinal axis L rotationally symmetric funnel is. It is essential that the outlet channel in the welding part 2 in the outlet direction rejuvenated.
  • FIG. 4 shows a further exemplary embodiment of the closure element according to the invention, that corresponds to the closure element shown in Figure 3a except for that Outlet channel 4a in Einsch folkteil 2 not only parallel to the longitudinal axis L of the closure element extends, but the length k of the welding part 2 from the bottom End of the welding part 2 decreases continuously until they reach the diameter b of the Outlet channel 4b in the pouring part 5 corresponds (see also Figures 3b to d).
  • closure elements shown in Figures 3 and 4 are ship-shaped, i. their longitudinal extent is greater than the extension in the direction of the width.
  • closure elements for example, a round Have cross-section, or the outlet channel is rotationally symmetrical to a extending central longitudinal axis of the closure element.
  • the outlet channel 4a tapers funnel-shaped in the welding part 2, until at a point 11, the dimensions of the outlet channel in the pouring part 5 has reached, the point 11 the transition marked between welding part 2 and pouring part 5.
  • the outlet channel 4a already in the weld 2
  • the diameter b reach the outlet channel 4b.
  • FIGS. 8a and 3a are examples in which the Outlet channel 4a only partially tapered, while parts of the outlet channel 4a about parallel to the central longitudinal axis. It is also possible, as shown in Figure 8c is that the funnel-shaped course of the outlet channel 4a at least partially (Figure 8c) or completely (FIG. 8b) in the channel section 4b within the pouring part 5. However, the exemplary embodiments according to FIGS. 8b and c fall not within the scope of this application. These Embodiments are essentially already on the Known in the art, see US 4,732,299 A.
  • the caterpillars 8 and 9 exist made of sealable material, preferably the material from which also the weld 2 itself is formed.
  • the distance n, o of the beads 8 and 9 to the respective Upper and lower edges 18, 19 is in a range of 0.5 to 5 mm.
  • the caterpillars 8, 9 extend over the length of the side walls and cause, if that Welded part 2 is welded between two sides of the foil bag, the molten Material does not overflow over the edge of the bag.
  • material for the welding part or the caterpillars are for example polyethylene, polypropylene and a variety of modifications based on these raw materials or other thermoplastic materials.
  • the spout is 5 with a bayonet closure formed by a guide slot 6b and a pin 6a closed with a cap 3.
  • the guide slot 6b is located on the smooth surface of the pouring part 5 above the flange 16 and cooperates with the pin 6a, which is provided on the cap inside (see Figures 1b, 3a and 4), together, wherein the pin 6a upon rotation of the cap 3 in the guide slot to the stop 6d is moved.
  • the guide slot is guided by the guide webs 6c (FIG. 4) formed, wherein the upper web while sliding along the pin, the cap down leads until the pin in the stop area 6d with slight bias up in the trained there, slight extension 6e snaps.
  • the cap 3 seals the pouring part 5 in the closed state at the upper end.
  • the cap 3 further has, as is apparent from Figure 5, a tear-off 15, which in known manner distributed on the circumference several single or contiguous circumferential Has locking cams and is used for tamper evidence. When first opened of the closure element 1 ruptures the tear-off by the rotational movement of the cap from.
  • the cap 3 has an upper portion whose inner diameter is chosen to be that it can receive and seal the upper region of the pouring part 5.
  • the lower The area of the cap has a larger inner diameter, as it protrudes Ends of the guide webs must absorb 6b of the bayonet lock.
  • FIG. 6 shows an exemplary embodiment of a film bag according to the invention.
  • the Foil bag 20 is between the side walls of the closure element 1 is welded, that the longer side of the welding part 2 parallel to the upper edge 25th of the bag 20 extends.
  • the welded closure element 1 corresponds to the in Connection with Figures 1 to 5 and 8 explained closure elements 1.
  • Left and on the right next to the closure element 1 arise bag shoulders 23. So when pouring the liquid from the bag 20 no residual fluid in the bag shoulders 23rd remains, the bag shoulders 23 are next to the welding part 2 by the Welds 24 obliquely welded off.
  • the welds 24 each extend from the Longitudinal edge 26 obliquely in the outward direction upwards and preferably meet the lower outer edge of the tip 2a (see Fig. 3b) of the bag facing the interior of the bag Einsch spateils. Due to the combined action of the welds 24 and the funnel-shaped Outlet channel 4a, the contents under unhindered flow conditions flow outward in the outlet direction, without residues remain in any dead spaces. The welds 24 thus form an extension of the outlet channel 4a.
  • FIG. 7 shows a further exemplary embodiment which essentially corresponds to that shown in FIG Embodiment corresponds, but wherein the closure element 1 in a Corner between the side walls of the bag 20 is welded. Run here the welds 24 from the longitudinal edge 26 of the bag and the top 25 to to the lower outer edge of the welding part 2, which faces the bag interior. If the bag 20 is inclined downwards for emptying with the closure element 1, then the contents can well over the welds 24, the lower surface of the weld and the adjoining outlet channel 4a, the funnel-shaped to pouring 5 runs out, and run the adjoining outlet channel 4b in the pouring part 5, without residues in the bag 20 collect. Thus, a complete emptying the bag possible. Unlike in Fig. 7, however, the weld 24 could also in a line with the lower edge of the welding part.
  • the closure element is through a screw cap closed.
  • the screw cap 27 has on its inner surface a single or multi-start internal thread 28. Corresponding threads are on the Outside of the pouring part 5 realized. Again, there is a tamper evidence held by a webs 29 on the cap, when screwing the cap via a collar 30 snapping ring 26 realized that in the opposite Opening movement gets stuck on the collar. When turning further in the opening direction then tear off the webs, and the ring falls down, so that immediately recognizable is that the shutter is open.
  • the screw thread catchy is shown formed, a multi-threaded screw is possible.

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  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Bag Frames (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Making Paper Articles (AREA)
  • External Artificial Organs (AREA)
  • Paper (AREA)
  • Basic Packing Technique (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

The closing element (1) is for a bag with a closable outflow part (5), a welded-in part (2) on the outflow part, and an outflow channel passing through these two parts. The outlet channel (4a) in the welded-in part is at least partly funnel shaped towards the outflow part. The funnel surface may be at an angle (approximatelyg) of 20-85degrees to the longitudinal axis of the closing element.

Description

Die Erfindung betrifft ein Verschlusselement für eine Verpackung zur Aufnahme von flüssigem oder pastösem Gut, insbesondere für einen Folienbeutel.The invention relates to a closure element for a package for receiving liquid or pasty Good, especially for a foil bag.

Aus der EP 1103484 A ist bereits ein Verschluss gemäß dem Oberbegriff des Anspruchs 1 bekannt mit einem verschließbaren Ausgießteil, einem Einschweißteil und einem Auslaufkanal, wobei sich der Auslaufkanal im Einschweißteil zumindest teilweise trichterförmig zum Ausgießteil hin erstreckt. In dieser Druckschrift reduziert sich sowohl die Länge als auch die Breite des Auslaufkanals in Ausgießrichtung des Einschweißteils.From EP 1103484 A is already a closure according to the preamble of the claim 1 known with a closable pouring part, a weld-in part and an outlet channel, wherein the outlet channel in Einschweißteil at least partially funnel-shaped extends to the pouring out. In this document, both the length is reduced as well as the width of the outlet channel in the pouring of the welding part.

Aus der JP 10203542 A ist bereits ein Verschlusselement bekannt mit einem trichterförmigen Teil und einem zylindrischen Teil. Da hier der trichterförmige Teil nicht im Einschweißteil vorgesehen ist, ragt er weit über die Beuteloberkante hervor.From JP 10203542 A a closure element is already known with a funnel-shaped Part and a cylindrical part. Because here the funnel-shaped part is not in the weld-in part is provided, it protrudes far beyond the top edge of the bag.

Aus der Druckschrift CH 677093 A ist ein Verschlusselement mit einem Einschweißteil und einem Ausgießteil, das verschließbar ist, bekannt. Das Einschweißteil weist zwei Flügel auf, die aufeinander zu laufen. Auch aus den Druckschriften US 4732299 A, DE 1921349 A sowie CH 680358 A sind bereits Verschlusselemente bekannt.From the document CH 677093 A is a closure element with a weld-in part and a pouring part which is closable known. The welding part has two Wings open, which run towards each other. Also from the documents US 4732299 A, DE 1921349 A and CH 680358 A are already known closure elements.

Verpackungen zur Aufnahme von flüssigem oder pastösem Gut, insbesondere Folienbeutel, werden in großem Umfang eingesetzt, insbesondere als Getränkebehälter oder aber auch für Kosmetika, Waschmittel etc.Packaging for holding liquid or pasty goods, in particular foil bags, are used on a large scale, especially as a beverage container or but also for cosmetics, detergents etc.

Getränkebehälter werden nach wie vor hauptsächlich mit Hilfe von Trinkhalmen geöffnet, die in einen Einstichbereich gestochen werden. Dies hat den Nachteil, dass einmal geöffnete Getränkebehälter nicht wieder verschlossen werden können. Wenn der Inhalt des Behälters nach dem Öffnen nicht vollständig entleert wird, besteht die Gefahr, dass der Rest auslaufen oder es zum schnellen Verderben des Füllgutes kommen kann. Man hat daher auch schon Folienbeutel entwickelt, die mit Hilfe von Schraubverschlüssen zu verschließen sind. Ein solcher Beutel ist in Figur 10 gezeigt. Dabei ist ein Verschlusselement 31 (auch Schiffchen genannt) mit einem Einschweißteil 32 im oberen Bereich zwischen den beiden Seitenwänden des Beutels 30 mit den Schweißnähten 35 eingeschweißt. Das Verschlusselement weist einen im inneren verlaufenden, gestrichelt angedeuteten Auslaufkanal 34 auf, der oben durch einen Schraubverschluss 36 verschließbar ist. Der Auslaufkanal ist in der Art einer geradlinig verlaufenden Durchgangsbohrung verwirklicht und endet in der im Beutelinneren liegenden flachen Unterseite. Dabei besteht das Problem, dass das Ausfließverhalten in der üblichen Ausgießhaltung, in der der Beutel z.B in der Zeichnung nach links gekippt wird, nicht optimal ist und dass eine vollständige Entleerung nur schwer möglich ist. In den Eckbereichen kann Restflüssigkeit verbleiben. Selbst wenn der Beutel vollständig auf den Kopf gedreht wird, kann sich Restflüssigkeit an der Unterseite des Verschlusselementes oder den inneren Kanten der Seitenwände stauen, die nicht abläuft. Dies ist für manche Anwendungsfälle nachteilig, z.B beim aseptischen Abfüllen, weil dann eigentlich keine Spülflüssigkeitsreste im Beutel verbleiben dürfen.Beverage containers are still opened mainly with the help of drinking straws, which are stung in a puncture area. This has the disadvantage that once opened Beverage containers can not be closed again. If the content of the Container is not completely emptied after opening, there is a risk that the Leak the rest or it can lead to the rapid deterioration of the contents. One has Therefore, even foil bags have been developed to close with the help of screw caps are. Such a bag is shown in FIG. Here is a closure element 31 (also called boat) with a welding part 32 in the upper area between welded to the two side walls of the bag 30 with the welds 35. The closure element has an inner running, indicated by dashed lines Outlet channel 34, the top closed by a screw cap 36 is. The outlet channel is in the form of a straight through hole realized and ends in lying in the bag interior flat bottom. There is the problem that the Ausfließverhalten in the usual pouring, in which the bag is tilted to the left, for example in the drawing, is not optimal and that complete emptying is difficult. In the corner areas can residual fluid remain. Even if the bag is turned completely upside down, can residual liquid at the bottom of the closure element or the inner edges jam the side walls that does not expire. This is disadvantageous for some applications, For example, during aseptic filling, because then actually no rinsing liquid residues in Bag may remain.

Es ist daher Aufgabe der Erfindung, ein Verschlusselement für einen Behälter zur Aufnahme von flüssigem oder pastösem Gut, insbesondere für Folienbeutel, sowie einen Folienbeutel mit einem derartigen Verschluss, bereitzustellen, die ein verbessertes Ausfließverhalten und ein verbessertes Leerlaufen des Behälterinhaltes ermöglichen. It is therefore an object of the invention to provide a closure element for a container for receiving of liquid or pasty material, in particular for foil bags, as well as a Foil bag with such a closure, which provide an improved Ausfließverhalten and allow improved emptying of the container contents.

Erfindungsgemäß wird diese Aufgabe durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.According to the invention this object is achieved by the characterizing features of the claim 1 solved.

Dadurch, dass der Auslaufkanal im Einschweißteil zumindest teilweise trichterförmig zum Ausgießteil hin zuläuft, ergibt sich ein besseres Ausfließverhalten, weil die Flüssigkeit in der gekippten Lage zum Ausgießteil hingeführt wird. Bei der Restentnahme des Beutelinhaltes verbleibt keine Flüssigkeit im unteren Bereich des Einschweißteils (Bereich A in Figur 10), sondern fließt vollständig ab.Due to the fact that the outlet channel in the welding part at least partially funnel-shaped for Poured pouring part, there is a better Ausfließverhalten, because the liquid in the tilted position is led to Ausgießteil. At the withdrawal of the bag contents no liquid remains in the lower area of the welding part (area A in FIG. 10), but flows off completely.

Dabei bedeutet zumindest teilweise trichterförmig, dass der Auslaufkanal nicht im gesamten Bereich des Einschweißteils trichterförmig bzw. konisch zum Auslauf hin zulaufen muss. Auch ein nur teilweise ausgebildeter trichterförmiger Verlauf des Auslaufkanals bewirkt die angestrebten Vorteile. Festzuhalten ist auch, dass trichterförmig im Zusammenhang mit Anspruch 1 nicht zwangsläufig rotationssymmetrisch zur Längsachse des Verschlusselements bedeuten muss.It means at least partially funnel-shaped that the outlet channel is not in the entire Run in the area of the welding part in a funnel shape or conically towards the outlet got to. Also, only partially trained funnel-shaped course of the outlet channel achieves the desired benefits. It is also to be noted that funnel-shaped with claim 1 is not necessarily rotationally symmetric to the longitudinal axis must mean the closure element.

Da erfindungsgemäß der trichterförmige Auslaufkanal im Einschweißteil z.B. nicht rotationssymmetrisch bezüglich der Längsachse des Verschlusselementes ist, ist beispielsweise die Längserstreckung des Einschweißteils größer als die Erstreckung in Richtung der Breite, wobei dann die Länge des Auslaufkanals im Einschweißteil in Richtung Ausgießteil von der Längsrichtung zur Breitenrichtung kontinuierlich abnimmt. (Der Auslaufkanal hat dann im Einschweißteil etwa die Form eines durch Drücken auf die Seitenkanten leicht geöffneten, gefalteten Papierhutes). Dies spart darüber hinaus gegenüber den bekannten Verschlusselementen noch Material, was in Anbetracht der Tatsache, dass es sich hier um einen millionenfach eingesetzten Massenartikel handelt, zu einer beträchtlichen Reduzierung der Herstellungskosten führt.Since according to the invention the funnel-shaped outlet channel in the weld-in part is e.g. not rotationally symmetric with respect to the longitudinal axis of the closure element is, for example the longitudinal extent of the welding part greater than the extension in the direction the width, in which case the length of the outlet channel in the weld-in part in the direction pouring part decreases continuously from the longitudinal direction to the width direction. (The outlet channel then has the welding part about the shape of a by pressing on the side edges slightly opened, folded paper hat). This also saves over the known closure elements still material, considering the fact that it This is a mass product used a million times over, to a considerable extent Reduction of manufacturing costs leads.

Hier ist dann die Breite in der Mitte des Auslaufkanals im Einschweißteil in Ausgießrichtung konstant.Here then is the width in the middle of the outlet channel in the weld in the pouring constant.

Der Neigungswinkel γ, mit dem die Schräge des Auslaufkanals zur Längsachse des Verschlusselements zuläuft, kann in weiteren Grenzen variieren und bis zu nahezu 90° betragen, er liegt aber bevorzugt in einem Bereich zwischen 20 und 85, noch besser zwischen 30 und 75°. The inclination angle γ, with which the slope of the outlet channel to the longitudinal axis of the closure element can vary in other limits and be up to almost 90 °, but it is preferably in a range between 20 and 85, even better between 30 and 75 °.

Gemäß einer bevorzugten Ausführungsform erstreckt sich der Auslaufkanal an dem dem Ausgießteil abgewandten Ende des Einschweißteils zunächst etwa parallel (gegebenenfalls mit einer leichten Neigung zum Erleichtern des Ausformens im Falle eines durch Spritzgießen hergestellten Verschlusselementes) zur Längsachse L des Verschlusselements und verengt sich erst im Anschluss zum Ausgießteil hin.According to a preferred embodiment, the outlet channel extends to the Spout facing away from the end of the weld first approximately parallel (optionally with a slight tendency to facilitate molding in the event of a through Injection-molded closure element) to the longitudinal axis L of the closure element and narrows only after the spout.

Das Ausgießteil kann mit einem Schraubverschluss oder aber auch über einen Bajonettverschluss mit einer Kappe verschließbar sein.The spout can be fitted with a screw cap or with a bayonet catch be closed with a cap.

Gemäß einem bevorzugten Ausführungsbeispiel wird das Verschlusselement insbesondere bei Getränkebehältern als Mundstück verwendet. Dabei hat das Ausgießteil dann an seinem dem Einschweißteil abgewandten Ende eine glatte Oberfläche. Wird das Ausgießteil über einen Bajonettverschluss mit einer Kappe verschlossen, so ist die glatte Oberfläche oberhalb des Bajonettverschlusses leicht zu realisieren.According to a preferred embodiment, the closure element is in particular used in beverage containers as a mouthpiece. The spout has then at its end facing away from the welding part a smooth surface. Will that be Pouring over a bayonet with a cap closed, so is the smooth Surface above the bayonet closure easy to realize.

Es ist vorteilhaft, wenn das Einschweißteil mit sich an seinen Seitenflächen erstreckenden Siegelraupen versehen ist. Dabei können z.B. zwei Siegelraupen beabstandet zur Ober- und Unterkante des Einschweißteils vorgesehen sein. Die Raupen aus siegelfähigem Material verhindern, dass beim Einschweißen des Einschweißteils geschmolzenes Material über die Kanten des Einschweißteils ausläuft.It is advantageous if the weld-in part extends with itself on its side surfaces Sealing beads is provided. Thereby, e.g. two sealing beads spaced from the Be provided upper and lower edge of the weld. The caterpillars of sealable Material prevent melted when welding the weld Material leaking over the edges of the weld-in part.

Ein erfindungsgemäßer Folienbeutel weist das erfindungsgemäße Verschlusselement auf, bei dem der Auslaufkanal im Einschweißteil zumindest teilweise trichterförmig zum Ausgießteil hin zuläuft.An inventive foil bag has the closure element according to the invention on, in which the outlet channel in Einschweißteil at least partially funnel-shaped for Poured pouring part.

Das Verschlusselement kann oben zwischen den Seitenwänden in der Mitte oder aber in einem Eckbereich eingeschweißt oder eingeklebt sein.The closure element may be at the top between the side walls in the middle or in welded or glued to a corner area.

Beim eingeschweißten Verschlusselement entstehen links und rechts sogen. Beutelschultern (s. z.B. Bereich B in Figur 10). Gemäß einer bevorzugten Ausführungsform werden die Beutelschultern neben dem Verschlusselement durch entsprechende Schweißnähte von einer Beutelaußenkante schräg zum Verschlusselement hin abgeschweißt, so dass sich beim Entleeren keine Flüssigkeitsreste in den Beutelschultern ansammeln.When welded closure element arise on the left and right so-called. bag shoulders (see, e.g., area B in Fig. 10). According to a preferred embodiment the bag shoulders are next to the closure element by appropriate Welding seams welded from an outer edge of the bag at an angle to the closing element, so that when emptying no liquid residues in the bag shoulders accumulate.

Vorzugsweise treffen die Schweißnähte auf die dem Beutelinneren zugewandte Unterkante der Seitenfläche des Einschweißteils. Somit kann das Totvolumen, in dem sich bei der Entnahme Restflüssigkeit stauen könnte, weiter reduziert werden, da die Schweißnähte eine Art Verlängerung des sich in Ausgießrichtung verjüngenden Ausgießkanals bilden.Preferably, the welds meet the lower edge facing the bag interior the side surface of the welding part. Thus, the dead volume, in which at The removal of residual fluid could dam up, be further reduced, as the welds a kind of extension of the pouring in the direction of pouring spout form.

Ausführungsbeispiele der Erfindung werden nachfolgend unter Bezugnahme auf die Figuren näher erläutert. Dabei zeigen:

Figuren 1a und b
perspektivische Darstellungen eines ersten Ausführungsbeispiels eines erfindungsgemäßen Verschlusselementes.
Figur 2a
eine Vorderansicht des in Fig. 1 dargestellten Verschlusselementes.
Figur 2b
eine Seitenansicht des in Fig. 2a dargestellten Verschlusselementes.
Figur 3a
einen Längsschnitt entlang der Linie IIIa-IIIa der Fig. 2b
Figur 3b
einen Schnitt entlang der Linie B-B in Figur 3a und 4.
Figur 3c
einen Schnitt entlang der Linie A-A in Figur 3a und 4.
Figur 3d
einen Schnitt entlang der Linie C-C in Figur 3a und 4.
Figur 4
einen Längsschnitt durch ein Verschlusselement nach einem weiteren Ausführungsbeispiel der Erfindung.
Figur 5
den Schnitt durch eine Kappe zum Verschließen des Verschlusselementes.
Figur 6
eine schematische Vorderansicht eines Folienbeutels mit Verschlusselement gemäß einem Ausführungsbeispiel der Erfindung.
Figur 7
eine schematische Vorderansicht eines Folienbeutels mit einem Verschlusselement gemäß einem weiteren Ausführungsbeispiel der Erfindung.
Figur 8a
schematisierte, weitere Ausführungsform eines erfindungsgemäßen Verschlusselements.
Figur 8b, c
schematisierte, weitere Ausführungsformen, die nicht unter den Schutzumfang dieser Anmeldung fallen. Diese Ausführungsformen sind im wesentlichen aus Dokument US 4 732 299 A bekannt.
Figur 9
einen Längsschnitt durch ein erfindungsgemäßes Verschlusselement nach einem weiteren Ausführungsbeispiel der Erfindung.
Figur 10
schematisch einen aus dem Stand der Technik bekannten Folienbeutel mit Verschlusselement.
Embodiments of the invention are explained below with reference to the figures. Showing:
FIGS. 1a and b
perspective views of a first embodiment of a closure element according to the invention.
FIG. 2a
a front view of the closure element shown in Fig. 1.
FIG. 2b
a side view of the closure element shown in Fig. 2a.
FIG. 3a
a longitudinal section along the line IIIa-IIIa of Fig. 2b
FIG. 3b
a section along the line BB in Figure 3a and 4.
Figure 3c
a section along the line AA in Figure 3a and 4.
3d figure
a section along the line CC in Figure 3a and 4.
FIG. 4
a longitudinal section through a closure element according to a further embodiment of the invention.
FIG. 5
the section through a cap for closing the closure element.
FIG. 6
a schematic front view of a film bag with closure element according to an embodiment of the invention.
FIG. 7
a schematic front view of a film bag with a closure element according to another embodiment of the invention.
FIG. 8a
schematized, further embodiment of a closure element according to the invention.
FIG. 8b, c
schematized, other embodiments that do not fall under the scope of this application. These embodiments are basically known from document US 4 732 299 A.
FIG. 9
a longitudinal section through an inventive closure element according to a further embodiment of the invention.
FIG. 10
schematically a known from the prior art foil bag with closure element.

In Figur 1a bzw. b ist ein erfindungsgemäßes Verschlusselement perspektivisch dargestellt. Verschlusselemente dieser Art können grundsätzlich zum Verschließen verschiedenartigster Behälter verwendet werden. Bevorzugt werden sie aber für flexible Folienbeutel eingesetzt, weshalb die nachfolgende Beschreibung sich auf diesen Anwendungsfall bezieht.In Figures 1a and b, an inventive closure element is shown in perspective. Closure elements of this kind can in principle for closing diverse kind Container to be used. However, they are preferred for flexible foil bags used, which is why the following description is based on this application refers.

Das Verschlusselement 1 ist als Kunststoffspritzgussteil hergestellt und weist ein verschließbares Ausgießteil 5 und ein Einschweißteil 2, das sich an das verschließbare Ausgießteil 5 anschließt, auf. Durch das Einschweißteil 2 und das Ausgießteil 5 erstreckt sich, wie aus den Figuren 3a, b, c, d und 4 hervorgeht, ein Auslaufkanal 4a, b. Der Auslaufkanal 4b im Ausgießteil 5 ist z. B. hohlzylindrisch ausgebildet und weist einen Durchmesser b von 5 bis 20 mm auf. Der Außendurchmesser des verschließbaren Ausgießteils 4b liegt in einem Bereich von 6 bis 25 mm. Im Einschweißteil 2 läuft der Auslaufkanal 4a trichterförmig zum Ausgießteil 5 hin zu.The closure element 1 is produced as a plastic injection-molded part and has a closable Pouring part 5 and a welding part 2, which can be closed to the Pouring part 5 connects, on. Through the welding part 2 and the pouring part 5 extends itself, as is apparent from Figures 3a, b, c, d and 4, an outlet channel 4a, b. The outlet channel 4b in the pouring part 5 is z. B. hollow cylindrical and has a Diameter b from 5 to 20 mm. The outer diameter of the closable pouring part 4b is in a range of 6 to 25 mm. In weld-in part 2 of the outlet channel runs 4a funnel-shaped to the pouring part 5 towards.

Bei dem in Fig. 3a dargestellten Ausführungsbeispiel erstreckt sich der Auslaufkanal 4a an dem dem Ausgießteil abgewandten Ende 10 des Einschweißteils 2 zunächst etwa parallel zur Längsachse L des Verschlusselementes bis zu einem Punkt P und verjüngt sich dann vom Punkt P aus zum Ausgießteil 5 hin, bis er den Durchmesser b des Auslaufkanals 4b im Ausgießteil 5 erreicht. Der Auslaufkanal 4a im Einschweißteil 2 verläuft unter einem Winkel γ ca. 75° zur Längsachse L des Verschlusselementes. Dieser Winkel kann aber in weiteren Grenzen variieren. Die Höhe m des Einschweißteils 2 liegt in einem Bereich von 5 bis 20mm. Die Höhe h des gesamten Ver-schlusselementes 1 liegt in einem Bereich von 15 bis 70 mm. Das Einschweißteil 2 weist eine Länge r von 10 bis 70 mm auf und läuft, wie aus den Figuren 1 und 3b hervorgeht, in seinen Endbereichen 2a flach aus. Das bedeutet, dass die Längserstreckung k des Auslaufkanals 4a im Einschweißteil 2 größer ist als die Erstreckung in Richtung der Breite q. Das Verhältnis des Durchmessers b des Auslaufkanals 4b im Ausgießteil 5 zur Länge k des Auslaufkanals 4b an dem dem Ausgießteil abgewandten Ende 10 liegt zwischen 0,1 und 0,7. Die Breite q in der Mitte des Auslaufkanals 4a entspricht im Wesentlichen dem Querschnitt b des Auslaufkanals 4b im Ausgießteil 5.In the embodiment shown in Fig. 3a, the outlet channel 4a extends at the end facing away from the spout 10 of the welding part 2 initially approximately parallel to the longitudinal axis L of the closure element up to a point P and tapered then from the point P to the pouring part 5 down to the diameter b of the outlet channel 4b reached in the pouring part 5. The outlet channel 4a in the welding part 2 extends at an angle γ about 75 ° to the longitudinal axis L of the closure element. This angle but can vary in other limits. The height m of the welding part 2 lies in one Range from 5 to 20mm. The height h of the entire closing element 1 is in a range of 15 to 70 mm. The welding part 2 has a length r of 10 to 70 mm and runs, as is apparent from Figures 1 and 3b, flat in its end regions 2a. This means that the longitudinal extent k of the Outflow channel 4 a in the welding part 2 is greater than the extension in the direction of Width q. The ratio of the diameter b of the outlet channel 4b in the pouring part 5 to Length k of the outlet channel 4b at the end facing away from the spout 10 is between 0.1 and 0.7. The width q in the middle of the outlet channel 4a substantially corresponds the cross-section b of the outlet channel 4b in the pouring part. 5

Wie aus den Figuren 3b und 3d hervorgeht, nimmt die Länge k des Auslaufkanals 4b in Richtung Ausgießteil 5 ab dem Punkt P stetig ab, bis sie dem Durchmesser b des Auslaufkanals 4a im Ausgießteil 5 entspricht. Wie aus den Schnitten B-B und C-C in Figuren 3b und d hervorgeht, ist die Abmessung k' an der Schnittlinie C-C kleiner als die Abmessung k bei B-B, während die Breite q des Auslaufkanals 4b in Richtung Ausgießteil 5 im Wesentlichen konstant bleibt. Der Begriff "trichterförmiger Verlauf' bedeutet hier also nicht , dass es sich um einen um die Längsachse L rotationssymmetrischen Trichter handelt. Wesentlich ist , dass sich der Auslaufkanal im Einschweißteil 2 in Auslaufrichtung verjüngt.As can be seen from FIGS. 3b and 3d, the length k of the outlet channel 4b increases Direction pouring part 5 from the point P steadily from until the diameter b of the outlet channel 4a in the pouring part 5 corresponds. As from the sections B-B and C-C in figures 3b and d, the dimension k 'at the intersection C-C is smaller than the dimension k at B-B, while the width q of the outlet channel 4b in the direction of pouring part 5 in Remains essentially constant. The term "funnel-shaped course" here means so not that it is a about the longitudinal axis L rotationally symmetric funnel is. It is essential that the outlet channel in the welding part 2 in the outlet direction rejuvenated.

Figur 4 zeigt ein weiteres Ausführungsbeispiel des erfindungsgemäßen Verschlusselementes, das dem in Figur 3a gezeigten Verschlusselement entspricht bis auf dass der Auslaufkanal 4a im Einschweißteil 2 sich nicht erst parallel zur Längsachse L des Verschlusselementes erstreckt, sondern die Länge k des Einschweißteils 2 vom unteren Ende des Einschweißteils 2 kontinuierlich abnimmt bis sie dem Durchmesser b des Auslaufkanals 4b im Ausgießteil 5 entspricht (s. auch Figuren 3b bis d).FIG. 4 shows a further exemplary embodiment of the closure element according to the invention, that corresponds to the closure element shown in Figure 3a except for that Outlet channel 4a in Einschweißteil 2 not only parallel to the longitudinal axis L of the closure element extends, but the length k of the welding part 2 from the bottom End of the welding part 2 decreases continuously until they reach the diameter b of the Outlet channel 4b in the pouring part 5 corresponds (see also Figures 3b to d).

Dadurch, dass sich, wie in Figur 3 und 4 gezeigt, der Auslaufkanal 4a im Einschweißteil 2 trichterförmig zum Ausgießteil 5 verjüngt, kann die Flüssigkeit gut aus dem Folienbeutel ablaufen, ohne dass es in den seitlichen Randbereichen des Einschweißteils zu Stauungen kommt.Characterized in that, as shown in Figures 3 and 4, the outlet channel 4a in the weld 2 tapered funnel-shaped to the pouring part 5, the liquid can be well out of the foil bag run off without it in the lateral edge regions of the weld-in part too Congestion is coming.

Die in den Figuren 3 und 4 gezeigten Verschlusselemente sind schiffchenförmig, d.h. ihre Längserstreckung ist größer ist als die Erstreckung in Richtung der Breite. Selbstverständlich sind auch Verschlusselemente möglich, die beispielsweise einen runden Querschnitt aufweisen, oder deren Auslaufkanal sich rotationssymmetrisch zu einer mittleren Längsachse des Verschlusselementes erstreckt. Weiter wurden im Zusammenhang mit den Figuren 3 und 4 Ausführungsbeispiele gezeigt, bei denen der Auslaufkanal 4a im Einschweißteil 2 trichterförmig zuläuft, bis er an einem Punkt 11 die Abmessungen des Auslaufkanals im Ausgießteil 5 erreicht hat, wobei der Punkt 11 den Übergang zwischen Einschweißteil 2 und Ausgießteil 5 markiert. Selbstverständlich kann, wie in Figur 8a gezeigt ist, der Auslaufkanal 4a auch bereits im Einschweißteil 2 den Durchmesser b des Auslaufkanals 4b erreichen.The closure elements shown in Figures 3 and 4 are ship-shaped, i. their longitudinal extent is greater than the extension in the direction of the width. Of course are also closure elements possible, for example, a round Have cross-section, or the outlet channel is rotationally symmetrical to a extending central longitudinal axis of the closure element. Next were related with the figures 3 and 4 embodiments shown in which the outlet channel 4a tapers funnel-shaped in the welding part 2, until at a point 11, the dimensions of the outlet channel in the pouring part 5 has reached, the point 11 the transition marked between welding part 2 and pouring part 5. Of course, how can is shown in Figure 8a, the outlet channel 4a already in the weld 2, the diameter b reach the outlet channel 4b.

Die in Figur 8a und 3a gezeigten Ausführungsbeispiele sind Beispiele, in denen der Auslaufkanal 4a nur teilweise konisch zuläuft, während Teile des Auslaufkanals 4a etwa parallel zur mittleren Längsachse verlaufen. Es ist auch möglich, wie in Figur 8c gezeigt ist, dass sich der trichterförmige Verlauf des Auslaufkanals 4a zumindest teilweise (Figur 8c) oder aber ganz (Figur 8b) im Kanalabschnitt 4b innerhalb des Ausgießteils 5 fortsetzt. Allerdings fallen die Ausführungsbeispiele gemäß Figur 8b und c nicht unter den Schutzumfang dieser Anmeldung. Diese Ausführungsbeispiele sind in wesentlichen bereits am dem Stand der Technik bekannt, siehe US 4 732 299 A.The embodiments shown in Figures 8a and 3a are examples in which the Outlet channel 4a only partially tapered, while parts of the outlet channel 4a about parallel to the central longitudinal axis. It is also possible, as shown in Figure 8c is that the funnel-shaped course of the outlet channel 4a at least partially (Figure 8c) or completely (FIG. 8b) in the channel section 4b within the pouring part 5. However, the exemplary embodiments according to FIGS. 8b and c fall not within the scope of this application. These Embodiments are essentially already on the Known in the art, see US 4,732,299 A.

Zurückkommend auf die Fig. 1 und 2 erkennt man, dass an den Seitenflächen des Einschweißteils 2 zwei aufgesetzte Siegelraupen 8, 9 (s. Figur 2b) beabstandet von der Ober- und Unterkante 18, 19 des Einschweißteils 2 umlaufen. Die Raupen 8 und 9 bestehen aus siegelfähigem Material, vorzugsweise dem Material, aus dem auch das Einschweißteil 2 selbst gebildet ist. Der Abstand n, o der Raupen 8 und 9 zu den jeweiligen Ober- bzw. Unterkanten 18, 19 liegt in einem Bereich von 0.5 bis 5 mm. Die Raupen 8, 9 erstrecken sich über die Länge der Seitenwände und bewirken, dass dann, wenn das Einschweißteil 2 zwischen zwei Folienbeutelseiten eingeschweißt wird, das geschmolzene Material nicht über den Beutelrand überläuft. Als Material für das Einschweißteil bzw. die Raupen dient beispielsweise Polyethylen, Polypropylen sowie eine Vielzahl von Modifikationen auf der Basis dieser Rohstoffe oder auch andere thermoplastischen Materialien.Returning to FIGS. 1 and 2, it can be seen that on the side surfaces of the weld-in part 2 two attached sealing beads 8, 9 (see Figure 2b) spaced from the Upper and lower edge 18, 19 of the welding part 2 rotate. The caterpillars 8 and 9 exist made of sealable material, preferably the material from which also the weld 2 itself is formed. The distance n, o of the beads 8 and 9 to the respective Upper and lower edges 18, 19 is in a range of 0.5 to 5 mm. The caterpillars 8, 9 extend over the length of the side walls and cause, if that Welded part 2 is welded between two sides of the foil bag, the molten Material does not overflow over the edge of the bag. As material for the welding part or the caterpillars are for example polyethylene, polypropylene and a variety of modifications based on these raw materials or other thermoplastic materials.

Bei dem Ausführungsbeispiel nach den Figuren 1b und 3a, 4 und 5 wird das Ausgießteil 5 mit einem von einem von einem Führungsschlitz 6b und einem Stift 6a gebildeten Bajonettverschlusses mit einer Kappe 3 verschlossen. Der Führungsschlitz 6b befindet sich auf der glatten Oberfläche des Ausgießteils 5 oberhalb des Flansches 16 und wirkt mit dem Stift 6a, der auf der Kappeninnenseite vorgesehen ist (s. Figuren 1b, 3a und 4), zusammen, wobei der Stift 6a bei Drehung der Kappe 3 im Führungsschlitz bis zum Anschlag 6d bewegt wird. Der Führungsschlitz wird durch die Führungsstege 6c (Fig. 4) gebildet, wobei der obere Steg beim Entlanggleiten des Stiftes die Kappe nach unten führt, bis der Stift im Anschlagsbereich 6d unter leichter Vorspannung nach oben in die dort ausgebildete, geringfügige Erweiterung 6e einschnappt.In the embodiment of Figures 1b and 3a, 4 and 5, the spout is 5 with a bayonet closure formed by a guide slot 6b and a pin 6a closed with a cap 3. The guide slot 6b is located on the smooth surface of the pouring part 5 above the flange 16 and cooperates with the pin 6a, which is provided on the cap inside (see Figures 1b, 3a and 4), together, wherein the pin 6a upon rotation of the cap 3 in the guide slot to the stop 6d is moved. The guide slot is guided by the guide webs 6c (FIG. 4) formed, wherein the upper web while sliding along the pin, the cap down leads until the pin in the stop area 6d with slight bias up in the trained there, slight extension 6e snaps.

Es können auch zwei derartige Bajonettverschlüsse auf gegenüberliegenden Seiten des Ausgießteils 5 vorgesehen sein, wobei dann in der Kappe 3 zwei gegenüberliegende Stifte 6a ausgebildet sind (s. Fig. 5). Auch ist es denkbar, die Führungstege auf der Innenseite der Kappe und die Stifte auf dem Ausgießteil vorzusehen.There may also be two such bayonet locks on opposite sides of the Pouring part 5 may be provided, in which case in the cap 3 two opposite Pins 6a are formed (see Fig. 5). It is also conceivable, the guide bars on the inside provide the cap and the pins on the spout.

Die Kappe 3 dichtet das Ausgießteil 5 im geschlossenen Zustand am oberen Ende ab. Die Kappe 3 weist weiter, wie aus Figur 5 hervorgeht, einen Abreißring 15 auf, der in bekannter Weise am Umfang verteilt mehrere einzelne oder zusammenhängende umlaufende Rastnocken aufweist und zur Originalitätssicherung dient. Beim ersten Öffnen des Verschlusselements 1 reißt der Abreißring durch die Drehbewegung von der Kappe ab.The cap 3 seals the pouring part 5 in the closed state at the upper end. The cap 3 further has, as is apparent from Figure 5, a tear-off 15, which in known manner distributed on the circumference several single or contiguous circumferential Has locking cams and is used for tamper evidence. When first opened of the closure element 1 ruptures the tear-off by the rotational movement of the cap from.

Die Kappe 3 weist einen oberen Bereich auf, dessen Innendurchmesser so gewählt ist, dass er den oberen Bereich des Ausgießteils 5 aufnehmen und abdichten kann. Der untere Bereich der Kappe weist einen größeren Innendurchmesser auf, da er die überstehenden Enden der Führungsstege 6b des Bajonettverschlusses aufnehmen muss.The cap 3 has an upper portion whose inner diameter is chosen to be that it can receive and seal the upper region of the pouring part 5. The lower The area of the cap has a larger inner diameter, as it protrudes Ends of the guide webs must absorb 6b of the bayonet lock.

Wie aus den Figuren 3 und 4 hervorgeht, ist oberhalb des Bajonettverschlusses 6b ein glatter Bereich 7 mit einer Abmessung c von 4 bis 25 mm ausgebildet, der als Mundstück dient.As is apparent from Figures 3 and 4, above the bayonet closure 6b a smooth area 7 formed with a dimension c of 4 to 25 mm, the mouthpiece serves.

Figur 6 zeigt ein Ausführungsbeispiel eines erfindungsgemäßen Folienbeutels. In den Folienbeutel 20 ist zwischen den Seitenwänden das Verschlusselement 1 so eingeschweißt, dass sich die längere Seite des Einschweißteils 2 parallel zur Oberkante 25 des Beutels 20 erstreckt. Das eingeschweißte Verschlusselement 1 entspricht den im Zusammenhang mit Figuren 1 bis 5 und 8 erläuterten Verschlusselementen 1. Links und rechts neben dem Verschlusselement 1 entstehen Beutelschultern 23. Damit beim Ausgießen der Flüssigkeit aus dem Beutel 20 keine Restflüssigkeit in den Beutelschultern 23 verbleibt, werden die Beutelschultern 23 neben dem Einschweißteil 2 durch die Schweißnähte 24 schräg abgeschweißt. Die Schweißnähte 24 verlaufen jeweils von der Längskante 26 aus schräg in Auslaufrichtung nach oben und treffen vorzugsweise auf die dem Beutelinneren zugewandte untere Aussenkante der Spitze 2a (vgl. Fig. 3b) des Einschweißteils. Durch die kombinierte Wirkung der Schweißnähte 24 und dem trichterförmigen Auslaufkanal 4a kann das Füllgut unter guten Fliessbedingungen ungehindert nach außen in Auslaufrichtung fließen, ohne dass Reste in etwaigen Toträumen verbleiben. Die Schweißnähte 24 bilden somit eine Verlängerung des Auslaufkanals 4a.FIG. 6 shows an exemplary embodiment of a film bag according to the invention. In the Foil bag 20 is between the side walls of the closure element 1 is welded, that the longer side of the welding part 2 parallel to the upper edge 25th of the bag 20 extends. The welded closure element 1 corresponds to the in Connection with Figures 1 to 5 and 8 explained closure elements 1. Left and on the right next to the closure element 1 arise bag shoulders 23. So when pouring the liquid from the bag 20 no residual fluid in the bag shoulders 23rd remains, the bag shoulders 23 are next to the welding part 2 by the Welds 24 obliquely welded off. The welds 24 each extend from the Longitudinal edge 26 obliquely in the outward direction upwards and preferably meet the lower outer edge of the tip 2a (see Fig. 3b) of the bag facing the interior of the bag Einschweißteils. Due to the combined action of the welds 24 and the funnel-shaped Outlet channel 4a, the contents under unhindered flow conditions flow outward in the outlet direction, without residues remain in any dead spaces. The welds 24 thus form an extension of the outlet channel 4a.

Figur 7 zeigt ein weiteres Ausführungsbeispiel, das im Wesentlichen dem in Figur 6 gezeigten Ausführungsbeispiel entspricht, wobei jedoch das Verschlusselement 1 in einem Eckbereich zwischen den Seitenwänden des Beutels 20 eingeschweißt ist. Hier verlaufen die Schweißnähte 24 von der Längskante 26 des Beutels und der Oberkante 25 bis zur unteren Aussenkante des Einschweißteils 2, die dem Beutelinneren zugewandt ist. Wird der Beutel 20 zum Entleeren mit dem Verschlusselement 1 nach unten geneigt, so kann das Füllgut gut über die Schweißnähte 24, die untere Fläche des Einschweißteils und den sich daran anschließenden Auslaufkanal 4a, der trichterförmig zum Ausgießteil 5 hin verläuft, und den sich daran anschließenden Auslaufkanal 4b im Ausgießteil 5 ablaufen, ohne dass sich Reste im Beutel 20 sammeln. Somit ist eine vollständige Entleerung der Beutel möglich. Anders als in Fig. 7 dargestellt könnte die Schweißnaht 24 aber auch in einer Linie mit der Unterkante des Einschweißteils verlaufen.FIG. 7 shows a further exemplary embodiment which essentially corresponds to that shown in FIG Embodiment corresponds, but wherein the closure element 1 in a Corner between the side walls of the bag 20 is welded. Run here the welds 24 from the longitudinal edge 26 of the bag and the top 25 to to the lower outer edge of the welding part 2, which faces the bag interior. If the bag 20 is inclined downwards for emptying with the closure element 1, then the contents can well over the welds 24, the lower surface of the weld and the adjoining outlet channel 4a, the funnel-shaped to pouring 5 runs out, and run the adjoining outlet channel 4b in the pouring part 5, without residues in the bag 20 collect. Thus, a complete emptying the bag possible. Unlike in Fig. 7, however, the weld 24 could also in a line with the lower edge of the welding part.

Bei dem in Figur 9 dargestellten Ausführungsbeispiel wird das Verschlusselement durch eine Schraubkappe geschlossen. Die Schraubkappe 27 besitzt auf ihrer Innenfläche ein ein- oder mehrgängiges Innengewinde 28. Entsprechende Gewindegänge sind auf der Außenseite des Ausgießteils 5 verwirklicht. Auch hier ist eine Originalitätssicherung durch einen über Stege 29 an der Kappe gehaltenen, beim Aufschrauben der Kappe über einen Kragen 30 schnappenden Ring 26 verwirklicht, der bei der entgegengesetzten Öffnungsbewegung an dem Kragen hängen bleibt. Beim Weiterdrehen in Öffnungsrichtung reißen dann die Stege ab, und der Ring fällt nach unten , so daß sofort erkennbar ist, daß der Verschluss geöffnet ist. Auch wenn in Fig. 9 das Schraubgewinde eingängig ausgebildet dargestellt ist, ist auch ein mehrgängiges Schraubgewinde möglich.In the embodiment shown in Figure 9, the closure element is through a screw cap closed. The screw cap 27 has on its inner surface a single or multi-start internal thread 28. Corresponding threads are on the Outside of the pouring part 5 realized. Again, there is a tamper evidence held by a webs 29 on the cap, when screwing the cap via a collar 30 snapping ring 26 realized that in the opposite Opening movement gets stuck on the collar. When turning further in the opening direction then tear off the webs, and the ring falls down, so that immediately recognizable is that the shutter is open. Although in Fig. 9, the screw thread catchy is shown formed, a multi-threaded screw is possible.

Claims (12)

  1. A closing element (1) for a packaging for receiving liquid or paste-like material, especially for film bags, comprising:
    a closable spout member (5),
    a weld member (2) adjoining said closable spout member (5), and
    an outlet channel (4a, b) which extends through said weld member (2) and said spout member (5),
    said outlet channel (4a) in said weld member (2) extending at least in part in funnel-like manner towards said spout member (5), the longitudinal extension (k) of said weld member (2) being greater than the extension in the direction of the width, the length (k) of said outlet channel (4a) in said weld member (2) decreasing continuously in the direction of spout member (5)
    characterized in that
    in said weld member (2) the width (q) in the middle of said outlet channel (4a) in pouring direction is substantially constant and said outlet channel (4b) extends through said spout member (5) in the manner of a hollow cylinder.
  2. The closing element (1) according to claim 1,
    characterized in that
    said outlet channel (4a) in said weld member (2) extends in funnel-like manner at an angle (γ) of 20° to 85° relative to the longitudinal axis (L) of said closing element.
  3. The closing element (1) according to at least one of the preceding claims,
    characterized in that
    said outlet channel (4a) at the end (10) of said weld member that is facing away from said spout member extends first substantially parallel to the longitudinal axis (I) of said closing element and it is only then that it will taper towards said spout member (5).
  4. The closing element (1) according to at least one of the preceding claims,
    characterized in that
    said spout member (5) can be closed with a cap (3) via a bayonet lock (6a, b).
  5. The closing element according to at least one of the preceding claims,
    characterized in that
    said spout member (5) at its end facing away from said weld member has a smooth surface (7) as a mouthpiece.
  6. The closing element according to claims 4 and 5,
    characterized in that
    said smooth surface (7) is positioned above said bayonet lock (6a, b).
  7. The closing element according to at least one of claims 1 to 6,
    characterized in that
    said weld member (2) comprises attached beads (8, 9).
  8. The closing element according to claim 7,
    characterized in that
    at least two beads (8, 9) extend spaced-apart from the upper and lower edges (18, 19) of said weld member (2).
  9. A film bag (20) comprising a closing element (1) according to at least one of claims 1 to 11 [sic].
  10. The film bag according to claim 9,
    characterized in that
    said closing element (1) is welded or adhesively fixed between the side walls of said film bag in the area of the upper edges in the middle or in a corner portion.
  11. The film bag according to any one of claims 9 or 10,
    characterized in that
    bag shoulders (23) next to said closing element (1) are welded off from an outer edge of the bag obliquely towards the closing element by corresponding weld seams (24).
  12. The film bag according to claim 11,
    characterized in that
    said weld seams (24) meet on the outer lower edge (19) of the tip (2a) of the side surface of said weld member (2), said lower edge facing the interior of said bag.
EP02028874A 2002-12-23 2002-12-23 Closure with a funnel shaped exit channel Expired - Lifetime EP1433716B1 (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
ES02028874T ES2248480T3 (en) 2002-12-23 2002-12-23 CLOSURE DEVICE WITH AN EVACUATION CHANNEL IN THE FORM OF EMBUDE.
DK02028874T DK1433716T3 (en) 2002-12-23 2002-12-23 Closing element with funnel-shaped continuous outlet channel
SI200230191T SI1433716T1 (en) 2002-12-23 2002-12-23 Closure with a funnel shaped exit channel
DE50204290T DE50204290D1 (en) 2002-12-23 2002-12-23 Closing element with funnel-shaped tapered outlet channel
AT02028874T ATE304492T1 (en) 2002-12-23 2002-12-23 CLOSURE ELEMENT WITH FUNNEL-SHAPED OUTLET CHANNEL
EP02028874A EP1433716B1 (en) 2002-12-23 2002-12-23 Closure with a funnel shaped exit channel
TW092133257A TWI224573B (en) 2002-12-23 2003-11-26 Closing element with outlet channel extending in funnel-like manner
CA002451000A CA2451000C (en) 2002-12-23 2003-11-27 Closing element with outlet channel extending in funnel-like manner
US10/739,548 US7762430B2 (en) 2002-12-23 2003-12-18 Closing element with outlet channel extending in funnel-like manner
PL364156A PL206884B1 (en) 2002-12-23 2003-12-19 Closing unit and plastic bag with closing unit
RU2003136782/12A RU2263615C2 (en) 2002-12-23 2003-12-22 Closing member for sealing package for liquid or pastous product and film bag
KR1020030094461A KR100572686B1 (en) 2002-12-23 2003-12-22 Airtight elements and film bags with funnels extending in funnel form
CNB2003101231950A CN1283526C (en) 2002-12-23 2003-12-23 Outlet channel closing component with funnel-shaped extension
BRPI0305973A BRPI0305973B8 (en) 2002-12-23 2003-12-23 closing element for a packaging and film bag
JP2003428167A JP2004203489A (en) 2002-12-23 2003-12-24 Sealing element equipped with outflow passage formed like funnel
HK04110255A HK1067354A1 (en) 2002-12-23 2004-12-24 Closure with a funnel shaped exit channel
CY20051101137T CY1105659T1 (en) 2002-12-23 2005-09-15 SEALING ELEMENT WITH ADJUSTED FUNNEL-SHAPED DISCHARGE GROOVE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02028874A EP1433716B1 (en) 2002-12-23 2002-12-23 Closure with a funnel shaped exit channel

Publications (2)

Publication Number Publication Date
EP1433716A1 EP1433716A1 (en) 2004-06-30
EP1433716B1 true EP1433716B1 (en) 2005-09-14

Family

ID=32405707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02028874A Expired - Lifetime EP1433716B1 (en) 2002-12-23 2002-12-23 Closure with a funnel shaped exit channel

Country Status (17)

Country Link
US (1) US7762430B2 (en)
EP (1) EP1433716B1 (en)
JP (1) JP2004203489A (en)
KR (1) KR100572686B1 (en)
CN (1) CN1283526C (en)
AT (1) ATE304492T1 (en)
BR (1) BRPI0305973B8 (en)
CA (1) CA2451000C (en)
CY (1) CY1105659T1 (en)
DE (1) DE50204290D1 (en)
DK (1) DK1433716T3 (en)
ES (1) ES2248480T3 (en)
HK (1) HK1067354A1 (en)
PL (1) PL206884B1 (en)
RU (1) RU2263615C2 (en)
SI (1) SI1433716T1 (en)
TW (1) TWI224573B (en)

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Also Published As

Publication number Publication date
BR0305973A (en) 2005-05-17
SI1433716T1 (en) 2005-12-31
PL364156A1 (en) 2004-06-28
US7762430B2 (en) 2010-07-27
CN1509953A (en) 2004-07-07
BRPI0305973B8 (en) 2016-05-10
ATE304492T1 (en) 2005-09-15
RU2003136782A (en) 2005-06-10
US20040155045A1 (en) 2004-08-12
DE50204290D1 (en) 2005-10-20
CN1283526C (en) 2006-11-08
CA2451000A1 (en) 2004-06-23
RU2263615C2 (en) 2005-11-10
HK1067354A1 (en) 2005-04-08
EP1433716A1 (en) 2004-06-30
KR100572686B1 (en) 2006-04-19
CY1105659T1 (en) 2010-12-22
TW200410879A (en) 2004-07-01
JP2004203489A (en) 2004-07-22
CA2451000C (en) 2006-11-21
BR0305973B1 (en) 2013-12-31
KR20040056373A (en) 2004-06-30
DK1433716T3 (en) 2005-11-21
TWI224573B (en) 2004-12-01
PL206884B1 (en) 2010-10-29
ES2248480T3 (en) 2006-03-16

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