EP0675050A1 - Verschlusseinheit für mit flexiblen Wandungen versehenen Behälter - Google Patents

Verschlusseinheit für mit flexiblen Wandungen versehenen Behälter Download PDF

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Publication number
EP0675050A1
EP0675050A1 EP95420082A EP95420082A EP0675050A1 EP 0675050 A1 EP0675050 A1 EP 0675050A1 EP 95420082 A EP95420082 A EP 95420082A EP 95420082 A EP95420082 A EP 95420082A EP 0675050 A1 EP0675050 A1 EP 0675050A1
Authority
EP
European Patent Office
Prior art keywords
container
sleeve
wall
collar
corking device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP95420082A
Other languages
English (en)
French (fr)
Inventor
Roland Duval
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.)
GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES
Original Assignee
GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES
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 GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES filed Critical GESTRA - GROUPE D'ETUDES SPECIFIQUES EN TECHNOLOGIES ET RECHERCHES AVANCEES
Publication of EP0675050A1 publication Critical patent/EP0675050A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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

Definitions

  • the present invention relates to a closure device for container with flexible walls, capable of being torn by manual action.
  • Rigid containers are more and more frequently replaced by flexible plastic containers, generally consisting of one or more heat-sealed sheets at their edges. These containers have the advantage of using significantly less material than a rigid container and of reducing the volume of waste.
  • a container of this kind is known in particular consisting of three heat-sealed sheets at their edges, two of which form the side walls of the container and the third of which, engaged between the two aforementioned sheets, forms the bottom and allows, when the container is filled , to constitute a rigid base ensuring the maintenance thereof in a vertical position.
  • the dosage of a determined quantity of product is delicate.
  • closure devices In addition, to seal the neck, these closure devices are generally permanently fixed to the container. Their cost of manufacture and installation increases that of the container and, consequently, that of the product.
  • the cross-section of the opening of the container remains limited and does not allow the flow of solid bodies which the liquid may contain, which risk blocking the opening.
  • the present invention aims to remedy all of these drawbacks.
  • the neck portion is therefore not, as in the prior art, disposed on one of the walls of the container, perpendicular to it, but is oriented parallel to the side walls of the container, being placed between them and being located substantially in the extension of the edge of these two side walls.
  • the liquid When the container is tilted for pouring, the liquid is guided by the two side walls of the container and comes naturally to engage in the neck that constitutes the device, without any particular disturbance, since this neck is located substantially in the extension from the side edge of the container.
  • the device thus allows precise and controlled pouring, without any risk of overturning.
  • the sleeve and the collar allow the container to be perfectly grasped with one hand while the perforating member is operated with the other hand.
  • This device can be placed anywhere on the container wall, proving favorable for obtaining an easy flow.
  • the aforementioned cavity is advantageously formed by folding an upper angle of the container towards the interior thereof.
  • the perforating member makes it possible to cut the walls clearly, pushing them back outside the opening of the neck. It also advantageously has a cross section sufficient to make an opening of large dimensions so that any solid bodies contained in the container, or in the liquid that the latter contains, are not likely to come and obstruct the opening.
  • the collar When the container is empty, the collar can be removed from the sleeve to free the container wall, and the device can be reused on another container.
  • the perforating member is tubular, clearly protrudes from the sleeve in the direction of the interior of the container and can be fixed to the sleeve, in which it remains engaged during pouring.
  • the perforating member thus makes it possible to channel the liquid and to stiffen the walls of the container at the level of the pouring opening. It can even serve, through the side walls of the container, as a gripping means, coming to bear against the upper heat-sealing line of the side walls of the container.
  • the sleeve can be shaped to receive a closure member such as a plug.
  • the perforating member is tubular and is extended, on the side opposite to the container, by a tubular wall forming a neck, advantageously shaped to receive a closure means such as a plug.
  • FIG. 1 represents a container 2 with flexible walls capable of being torn by manual action, and a closure device 3 which can be adapted to it.
  • the container 2 is of the type formed by heat sealing at least two sheets of synthetic material comprising, in the example shown, two side walls 2a joined at the upper level by a heat seal line 4, this line 4 forming a right angle 5 with the side 6 of the container 2.
  • the device 3 essentially consists of three parts, namely a sleeve 10, a collar 11 and a perforating member 12.
  • the sleeve 10 is tubular and comprises two parts 10a, 10b separated by a conical shoulder 10c.
  • the collar 11 is made of elastic material, in particular of suitable synthetic material, and comprises a longitudinal slot 14. Its internal diameter corresponds substantially to the external diameter of the part 10a of the sleeve 10.
  • the perforating member 12 is also tubular. It comprises two parts 12a, 12b separated by a conical shoulder 12c, the external diameters of which are such that, apart from the clearance, the internal diameters of the parts 10a, 10b of the sleeve 10.
  • the part 12a is much longer than the part 10a.
  • Its end opposite to the conical shoulder 12c is cut at an angle relative to the axis of the perforating member 12 so as to delimit a point 12d.
  • the perforating member 12 comprises a flange 15 to which a plug 16 is connected by a flexible tab 17 forming a film hinge, and a tubular wall 18 forming a neck, on which the plug 16 can be fitted.
  • a cavity 20 is first formed by folding the angle 5 towards the inside of the container 2.
  • the part 10a of the sleeve 10 is then engaged in the cavity 20 (FIG. 2), then the collar 11 is placed on this part 10a (FIG. 3) so as to trap the wall of the container 2 between it and the sleeve 10, by applying this wall around the sleeve 10.
  • This positioning of the collar makes it possible to immobilize the sleeve 10 relative to the wall of the container 2, so that a part 2b of the wall 2 is held opposite the lower opening of the sleeve 10. This placing in place also ensures a tight application of this wall against the sleeve 10.
  • the perforating member 12 is then engaged in the sleeve 10 until the shoulder 12c comes into abutment against the shoulder 10c. Thanks to the upper length of the part 12a of the perforating member 12 relative to the part 10a of the sleeve 10, the tip 12d punctures the wall 2b before said abutment of the shoulder 12c against the shoulder 10c (FIG. 4).
  • the sleeve 10 and the collar 11 allow the container 2 to be perfectly grasped with one hand during that the perforating member 12 is operated with the other hand.
  • the section of the perforating member 12 is sufficient to produce an opening of large dimensions so that any solid bodies contained in the container 2, or in the liquid which the latter contains, are not likely to come to obstruct this opening.
  • the perforating member 12 makes it possible to channel the liquid and to stiffen the walls 2a of the container 2 at the level of the pouring opening. It can even serve, through the side walls 2a, of gripping means, coming to bear against the upper heat-sealing line 4 of the walls 2a.
  • the perforating member 12 allows the walls to be sharply cut, as shown in FIG. 4, by pushing them back outside the opening of the neck.
  • the device 3 can be placed anywhere on the wall of the container 2, insofar as the cavity 20 can be formed.
  • the cavity 20 is produced by folding back the upper angle 5, so that the axis of the device 3 is oriented parallel to the side walls 2a of the container 2, in being placed between them and being located substantially in the extension of the edge 6 of the walls 2a.
  • the liquid is guided by the two walls 2a and naturally comes to engage in the neck formed by the device 3, without particular disturbance.
  • the device 3 thus allows precise and controlled pouring, without any risk of overturning.
  • the collar 11 can be removed from the sleeve to free the wall from the container, and the device can be reused on another container.
  • the plug 16 temporarily closes the neck formed by the wall 18.
  • Figure 5 shows that, according to an advantageous alternative embodiment, the three parts 10,11,12 constituting the device 3 can be connected to each other by bridges 25 of material, all of these parts 10,11,12 and bridges 25 obtainable in a single molding operation.
  • the parts 10, 11, 12 can be connected together three by three or two by two.
  • the bridges 25 can be shaped to serve as means for suspending the container 2 when the closure device is placed on it.
  • FIGS 6 to 11 show three different embodiments of the device 3 according to the invention.
  • the elements already described which are found in these embodiments are designated by the same reference numerals, for the sake of simplification.
  • FIGS. 6 and 7 show a sleeve 10 fitted with a flexible tubular wall 30 which can be turned over on itself, and which can therefore alternately occupy the position shown in FIG. 6, where this wall 30 covers the part 10b of the sleeve 10, and the position shown in FIG. 7, where it covers the part 10a of this sleeve and traps the wall of the container 2 between it and said part 10a.
  • This flexible tubular wall 30 thus replaces the collar 11 to ensure the confinement of the wall of the container between it and the sleeve 10 and tightly apply this wall around the sleeve 10.
  • Figures 8 and 9 show a sleeve 10 and a split collar 11 placed on a container 2, as previously described.
  • part 10a of sleeve 10 has a conical shape and comprises longitudinal lines 31 of inward folding of portions of the wall of this part 10a, these lines 31 being regularly distributed around the periphery of this part 10a.
  • the wall of the container 2 conforms to the shape of this part 10a, as shown in FIG. 8.
  • the perforating member 12 comes to deploy the part 10a of the sleeve 10 during its introduction, which has the effect of ensuring, on the one hand, a wide tear in the walls of the container 2 and, on the other hand, perfect retention of the perforating member 12 in the sleeve 10.
  • the lines 31 for inward folding of wall portions of the part 10a could be replaced by lines of less resistance allowing the radial bursting of the part 10a during the introduction of the perforating member 12.
  • Figures 10 and 11 show a fourth embodiment of the device 3, in which the collar for confining the wall of the container 2 between it and the sleeve 10 is constituted by two concave portions 11 of branches 32, while the sleeve 10 is integral with a branch 33 interposed between the branches 32, the branches 32 and 33 being articulated with respect to each other, for example by means of film hinges 34.
  • the sleeve 10 and the concave portions 11 have a frustoconical shape.
  • the free ends of the branches 32 comprise complementary retaining means constituted, in this example, by two holes 35 arranged in one of the branches 32 and by two corresponding shouldered studs 36, arranged in the other branch 32.
  • the sleeve 10 is intended to be engaged in the cavity 20 formed by folding the angle 5, then the two branches 32 are brought closer to the branch 33-sleeve 10 assembly and assembled one to the other by engagement of the pins 36 in the holes 35, so as to enclose the sleeve 10 and the wall of the container 2 between them.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP95420082A 1994-03-29 1995-03-29 Verschlusseinheit für mit flexiblen Wandungen versehenen Behälter Withdrawn EP0675050A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9404071A FR2718113B1 (fr) 1994-03-29 1994-03-29 Dispositif de bouchage pour récipient à parois souples.
FR9404071 1994-03-29

Publications (1)

Publication Number Publication Date
EP0675050A1 true EP0675050A1 (de) 1995-10-04

Family

ID=9461816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95420082A Withdrawn EP0675050A1 (de) 1994-03-29 1995-03-29 Verschlusseinheit für mit flexiblen Wandungen versehenen Behälter

Country Status (2)

Country Link
EP (1) EP0675050A1 (de)
FR (1) FR2718113B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000817A1 (en) * 1995-06-21 1997-01-09 Elopak Systems Ag Pouring device for a container
WO1999002423A1 (en) * 1997-07-08 1999-01-21 Farid El Massioui Fluid package with self-contained straw
DE102004028758A1 (de) * 2004-06-16 2006-01-05 Georg Menshen Gmbh & Co. Kg Behälter mit Ausgiesser
WO2012047143A1 (en) * 2010-10-05 2012-04-12 Lindén International AB Sealing arrangement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146438B (de) * 1960-05-14 1963-03-28 Neumalin Fabrik A W Neumann Verfahren zum Aufschweissen eines Entnahmemundstueckes auf eine prall gefuellte Kunststoffpackung
US3128913A (en) * 1964-04-14 Container spout having its outlet passage sealed by
DE9217062U1 (de) * 1992-08-04 1993-02-25 Cho, Conling, Taichung, Tw

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128913A (en) * 1964-04-14 Container spout having its outlet passage sealed by
DE1146438B (de) * 1960-05-14 1963-03-28 Neumalin Fabrik A W Neumann Verfahren zum Aufschweissen eines Entnahmemundstueckes auf eine prall gefuellte Kunststoffpackung
DE9217062U1 (de) * 1992-08-04 1993-02-25 Cho, Conling, Taichung, Tw

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000817A1 (en) * 1995-06-21 1997-01-09 Elopak Systems Ag Pouring device for a container
WO1999002423A1 (en) * 1997-07-08 1999-01-21 Farid El Massioui Fluid package with self-contained straw
DE102004028758A1 (de) * 2004-06-16 2006-01-05 Georg Menshen Gmbh & Co. Kg Behälter mit Ausgiesser
WO2012047143A1 (en) * 2010-10-05 2012-04-12 Lindén International AB Sealing arrangement
CN103328338A (zh) * 2010-10-05 2013-09-25 林登国际股份有限公司 密封设备
US8807401B2 (en) 2010-10-05 2014-08-19 Lindén International AB Sealing arrangement
CN103328338B (zh) * 2010-10-05 2015-11-25 林登国际股份有限公司 密封设备

Also Published As

Publication number Publication date
FR2718113B1 (fr) 1996-06-07
FR2718113A1 (fr) 1995-10-06

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