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WO2006051328A2 - Ameliorations apportees ou liees a des dispositifs de bec verseur - Google Patents

Ameliorations apportees ou liees a des dispositifs de bec verseur Download PDF

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Publication number
WO2006051328A2
WO2006051328A2 PCT/GB2005/004383 GB2005004383W WO2006051328A2 WO 2006051328 A2 WO2006051328 A2 WO 2006051328A2 GB 2005004383 W GB2005004383 W GB 2005004383W WO 2006051328 A2 WO2006051328 A2 WO 2006051328A2
Authority
WO
WIPO (PCT)
Prior art keywords
pour spout
cover
wall
container
arm
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.)
Ceased
Application number
PCT/GB2005/004383
Other languages
English (en)
Other versions
WO2006051328A3 (fr
Inventor
Nils Peter Adler
Wolfgang Kieser
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.)
Elopak Systems AG
Original Assignee
Elopak Systems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0424971A external-priority patent/GB0424971D0/en
Priority claimed from GBGB0517652.4A external-priority patent/GB0517652D0/en
Application filed by Elopak Systems AG filed Critical Elopak Systems AG
Priority to EP05810715A priority Critical patent/EP1812228B1/fr
Priority to ES05810715T priority patent/ES2396538T3/es
Priority to AT05810715T priority patent/ATE539880T1/de
Priority to DK05810715.2T priority patent/DK1812228T3/da
Publication of WO2006051328A2 publication Critical patent/WO2006051328A2/fr
Publication of WO2006051328A3 publication Critical patent/WO2006051328A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2251/00—Details relating to container closures
    • B65D2251/02—Grip means
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure

Definitions

  • This invention relates to a method of applying a pour spout device to a container and also relates to a pour spout device itself.
  • US-A-5, 108,029 discloses a reclosable, one piece, pour spout device for attaching to a container, the device including a pour spout comprised of a flange and a pour spout body which consists of a cylindrical extension which extends upwards from the flange and a cylindrical stem which extends downwards from the flange.
  • a cap-form cover is hingedly connected to the flange and is adapted to be engaged with and disengaged from the cylindrical extension in order to prevent or permit discharge of the contents from the container.
  • the device has a tamper-evident feature in the form of a pair of legs which are formed integrally with the cover preferably and subsequently have their free ends bead- welded to the upper surface of the flange.
  • GB-A-2,301,098 discloses a tamper-evident, thermoplastics, pour spout device having a spout and a plug-form cover attached to a plastics or plastics-coated container.
  • the fitment and the cover are moulded simultaneously with a substantial space between them and with an elongate runner connecting them.
  • the runner comprises a tear tab which slides through an apertured space on the cover.
  • the device has a flange which may be welded or otherwise secured to the container.
  • the tab may be pulled by the consumer to open the container.
  • the cover may be unscrewed from the spout or otherwise disengaged.
  • the inner end of the spout has integrally formed therewith a sealing ring which slants downwardly and inwardly to engage a smooth surface on the exterior of a skirt of the cover, the primary liquid-tight seal of the device being preferably the sealing effect between that ring and that smooth surface.
  • CA-A-2,502,868 discloses a hatch-type pour spout device for a container of composite packaging material.
  • the device comprises a pour spout and a flanged, tub-shaped cover moulded thereto via a hinge arrangement.
  • the pour spout is fused or bonded to the outside of the container with the flat underside thereof and comprises a rounded enclosing projection extending upwards to form a pouring spout body
  • the inner end of the projection is open, hi the opened state, the tub-shaped portion of the cover projects upwards to present a planar upper surface and, in the closed state, is a positive fit in the pouring opening in the underside of the spout.
  • That planar surface either is flush with the underside of the spout, or extends below the same by a maximum of 0.5mm., and is either bonded with the outside of a pre-punched zone of the composite packaging or fused to a sealing film of the composite packaging which is exposed due to punching.
  • the cover also includes an external flange, and the hinge arrangement extends between that flange and an external flange of the spout.
  • On both sides of the tub-shaped portion of the cover there are L-shaped tamper-evident wings moulded to the underside of the flange of the cover. The shorter legs of these wings are dimensioned in such a way that, when the cover is turned onto the spout, they fit into square indentations in the flange of the spout, with which they are fused after initial closing.
  • a method comprising:- providing a pour spout device comprising a pour spout, a cover for closing said pour spout, and a tamper-evidence arrangement attached to said cover, attachingly applying said device to a wall of a container, and attaching said arrangement to said pour spout and/or to said wall, said attaching of said arrangement being substantially simultaneous with said attachingly applying of said device.
  • the tamper-evidence arrangement may comprise one or more tamper-evidence legs attached at one end to the cover and at an opposite end to the pour spout and/or to the wall of the container. There are advantageously a plurality of such tamper-evidence legs spaced apart from each other around the cover.
  • the tamper-evidence leg(s) can be positioned at any appropriate location(s) at the periphery of the cover, for example at respective opposite sides of a front part of the cover and/or at the very front of that front part.
  • the device may be applied to the outside surface of the wall of the container, around a pouring hole or potential site of a pouring hole through the wall, with a flange of the pour spout being sealed, preferably ultrasonically, round the hole or the potential site, and with the leg or legs being sealed, preferably ultrasonically, to that flange and/or to the external surface of the wall.
  • the device may be introduced into the container before filling and brought to protrude outwardly through a hole through the wall, with a flange of the pour spout being sealed, preferably ultrasonically, to the inside surface of the wall round the hole and with the legs being sealed, again preferably ultrasonically, between the flange and the inside surface of the wall.
  • a pour spout device for applying to a wall of a container, comprising a pour spout, a cover for closing said pour spout, and a hinge arrangement between said pour spout and said cover and about which said cover may be turned relative to said pour spout, said pour spout comprising a pour spout body encircling a pouring outlet and having an inflow mouth and an outflow mouth, said cover comprising a ring-form skirt closely receivable in said pour spout body, said pour spout body including an inwardly protruding, ring-form, readily flexible, resilient lip defining said inflow mouth for sealingly bearing on said ring-form skirt, and said device having been moulded in one piece.
  • a package comprising a container and a pour spout device attachingly applied to a wall of said container, said device comprising a pour spout, a cover for closing said pour spout, and a hinge between said pour spout and said cover and about which said cover may be turned relative to said pour spout, said pour spout comprising a pour spout body encircling a pouring outlet and having an inflow mouth and an outflow mouth, said cover comprising a ring-form skirt closely receivable in said pour spout body, said pour spout body including an inwardly protruding, ring-form, readily flexible, resilient lip defining said inflow mouth for sealingly bearing on said ring-form skirt, and said device having been moulded in one piece.
  • a hatch-form pour spout device for applying to a wall of a container, comprising a pour spout, a cover for closing said pour spout, and an arm proj ecting from and extending over an outer surface of said cover for use in opening said cover.
  • a package comprising a container, and a pour spout device attached to a wall of said container, said device comprising a pour spout, a cover for closing said pour spout, and an arm projecting from and extending over an outer surface of said cover for use in opening said cover.
  • Figure 1 is a top plan view of a pour spout device for a packaging carton, the device being in a condition following production thereof by moulding,
  • Figure 2 is a front elevation of the device in the condition shown in Figure 1,
  • Figure 3 is a view similar to Figure 1 but with the device in a closed condition
  • Figure 4 is a view similar to Figure 2, but with the device in the closed condition, Figure 5 shows a section taken on the line V-V of Figure 3,
  • Figure 6 is a view corresponding to Figure 5, but showing the device in a condition near to that of Figures 3 to 5,
  • Figure 7 is a fragmentary, diagrammatic, cross-sectional view illustrating a method of ultrasonically welding the device to a wall of a carton
  • Figure 8 is a view similar to Figure 1 of a modified version of the device in the condition shown in Figure 1,
  • Figure 9 is an underneath plan view of the modified version in that same condition.
  • Figure 10 is a side elevation of the modified version in that same condition.
  • the pour spout device 2 takes the form of a fitment which in the condition shown in Figures 1 and 2 is for applying, as shown in Figure 7, to a wall 4 of a packaging carton for a flowable substance, the wall 4 comprising a paperboard layer 4A coated at its inner and outer surfaces with thermoplastics layers 4B and 4C.
  • the layers 4B and 4C may be of a moisture barrier plastics material, particularly low density polyethylene (LDPE), and there may be an oxygen barrier layer (not shown) of, for example, aluminium foil or ethylene vinyl alcohol (EVOH) between the layers 4A and 4B.
  • LDPE low density polyethylene
  • EVOH ethylene vinyl alcohol
  • the flowable substance contained may be a liquid, such as milk or fruit juice, or a powder, such as washing powder.
  • the device 2 comprises a pour spout 6 and a cover 8 for closing the spout 6.
  • the pour spout 6 includes a pour spout body 10 encircling a pouring outlet 12 and having an inflow mouth 14 and an outflow mouth 16.
  • the body 10 is widened at its forward part so as to provide a widened pouring outlet 12.
  • the pour spout 6 also includes a flange 18 which protrudes radially outwards from the body 10 and whereby the spout 6 is welded in a fluid-type manner to the layer 4B, the device 2 being of a thermoplastics material suitable for being ultrasonically welded to the layer 4B.
  • the device 2 is moulded in one piece, with the connection between the spout 6 and the cover 8 being in the form of an integral hinge arrangement 20 close to the body 10, with a detent 22 included in the spout 6 being engageable in a slot 24 formed in the cover 8 to maintain the cover 8 releasably in its fully open position shown in Figures 1 and 2.
  • the cover 8 includes inner and outer, ring-form skirts 26 and 28 which extend substantially parallelly to each other.
  • the skirt 26 is intended to engage sealingly inside the body 10 and for that purpose is formed with a ring-form rib 30 to engage sealingly beneath a ring-form rib 32 formed round the inside of the body 10.
  • the body 10 may be formed with an inwardly protruding, ring-form, readily flexible, resilient lip 34 defining the inflow mouth 14 for sealingly bearing on the radially outer surface of the ring-form skirt 26.
  • the ring- form skirt 28, which may be omitted, but which has the advantage of improving the stability of the device 2, sealingly engages the radially outer surface of the ring-form body 10. It will be appreciated that the co-operation between the skirt 26 and the lip 34, between the ribs 30 and 32, and between the body 10 and the skirt 28 provides a plurality of ring-form seals arranged in series with each other and thus providing fluid-tightness, even if one of the seals, owing to manufacturing tolerances, for example, is ineffective. Provision of a sealing lip, such as 34, on the inside of the body 10 as compared with the provision of such a lip on the outside of the skirt 26, has the advantage of simpler moulding thereof, particularly if the lip is provided at the level of the flange 18.
  • the cover 8 is turned about the integral hinge arrangement 20 relative to the pour spout 6 so as to cause the body 10 to be received sealingly to the outside of the skirt 26, and sealingly to the inside of the skirt 28 if provided, as illustrated in Figure 5. Then, the device in the condition shown in Figures 3 to 5 is mounted upon an anvil (not shown) and is introduced into an as- yet-to-be-filled carton and caused to protrude through a pouring hole 40 formed through the wall 4, with the feet 38 extending to between the layer 4B and the flange 18.
  • the feet 38 may be recessed into hollows (not shown) in the upper surface of the flange 18 such that, following welding, the lower surface of the layer 4B is flush with the upper surface of the flange 18 and, at the hollows, with the upper surfaces of the feet 38.
  • the cover 8 After filling and top-closing and -sealing of the carton on the form-fill-seal machine, the package so formed is ultimately supplied to a consumer.
  • the cover 8 At its corners adjacent to the legs 36, the cover 8 includes turned-up ears 46, whereby the consumer can insert a finger or thumbnail under each of the ears 46 in turn and press those corners upwards to break the tamper-evidence legs 36, so that the cover 8 can be turned backwards about the hinge arrangement 20 into the condition shown in Figures 1 and 2, in which the detent 22 engages in the slot 24 to retain the cover 8 open relative to the spout 6.
  • they may be formed at those locations with respective thinnings 48.
  • the consumer With the cover 8 fully open, the consumer can empty at least part of the content of the package through the outlet 12.
  • the front edge of the flange 18 is undercut, as indicated at 50.
  • the package can be re-sealed by turning the cover 8 back into the condition shown in Figures 3 to 5.
  • each ear 46 is formed with respective upward and downward protrusions 52 and 54 therefrom in the form of angled ribs to facilitate gripping of the ear by the consumer.
  • the cover 8 is formed with reinforcement in the form of ribs 55 extending from front to rear of the inner skirt 26.
  • the body 10 has its upper part in the form of inner and outer skirts 1OA and 1OB, whereof the latter is discontinuous at the hinge 20.
  • the skirt 1OB is formed at its outer peripheral surface with small protrusions 56 positioned such that, when the device is in its closed condition, the feet 38 are immediately outward thereof, as indicated in dot-dash lines at 38 ' in Figure 8.
  • the flange 18 is formed with a reinforcing rib 58 around its outer edge zone.
  • the cover 8 may be provided, at the front of its exterior, with a grippable tongue 60 shown in dot-dash lines and consisting of an upwardly extending part 6OA and a substantially horizontal part 6OB extending rearwardly over the outer surface of the cover 8.
  • a grippable tongue 60 shown in dot-dash lines and consisting of an upwardly extending part 6OA and a substantially horizontal part 6OB extending rearwardly over the outer surface of the cover 8.
  • the tongue 60 may be formed with a weakness 6OC, in the form of a thinning serving to provide a hinge at the junction between the parts 6OA and 6OB.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Closures For Containers (AREA)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Selon l'invention, un dispositif de bec verseur en une seule pièce (2) comprend un bec verseur (6), un couvercle (8) conçu pour fermer le bec verseur (6) et au moins une branche indicatrice d'effraction (36) rattachée au couvercle (8) pratiquement simultanément et par soudage ultrasonique. Ce dispositif (2) est soudé à une paroi (4B) d'un contenant (4) et les branches (36) sont soudées au bec verseur (6) et/ou à la paroi (4B).
PCT/GB2005/004383 2004-11-12 2005-11-14 Ameliorations apportees ou liees a des dispositifs de bec verseur Ceased WO2006051328A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05810715A EP1812228B1 (fr) 2004-11-12 2005-11-14 Ameliorations apportees ou liees a des dispositifs de bec verseur
ES05810715T ES2396538T3 (es) 2004-11-12 2005-11-14 Mejoras en dispositivos de pico vertedor o relacionados con los mismos
AT05810715T ATE539880T1 (de) 2004-11-12 2005-11-14 Verbesserungen von giesstüllenvorrichtungen oder diese betreffend
DK05810715.2T DK1812228T3 (da) 2004-11-12 2005-11-14 Forbedringer af eller vedrørende hældetud-indretninger

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0424971A GB0424971D0 (en) 2004-11-12 2004-11-12 Improvements in or relating to pour spout devices
GB0424971.0 2004-11-12
GBGB0517652.4A GB0517652D0 (en) 2005-08-31 2005-08-31 Improvements in or relating to pour spout devices
GB0517652.4 2005-08-31

Publications (2)

Publication Number Publication Date
WO2006051328A2 true WO2006051328A2 (fr) 2006-05-18
WO2006051328A3 WO2006051328A3 (fr) 2006-08-03

Family

ID=35658517

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2005/004383 Ceased WO2006051328A2 (fr) 2004-11-12 2005-11-14 Ameliorations apportees ou liees a des dispositifs de bec verseur

Country Status (5)

Country Link
EP (1) EP1812228B1 (fr)
AT (1) ATE539880T1 (fr)
DK (1) DK1812228T3 (fr)
ES (1) ES2396538T3 (fr)
WO (1) WO2006051328A2 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108029A (en) 1990-02-16 1992-04-28 Capitol Spouts, Inc. Reclosable attachment for containers
GB2301098A (en) 1994-02-17 1996-11-27 Portola Packaging Inc Unitary tamper-evident fitment and closure assembly
US5799840A (en) 1996-04-25 1998-09-01 Tetra Laval Holdings & Finance, S A Closure formed as a single, integral part
WO2001015979A1 (fr) 1999-08-27 2001-03-08 Tetra Laval Holdings & Finance Sa Ouverture refermable destinee aux emballages de produits alimentaires pouvant etre verses
CA2502868A1 (fr) 2002-10-29 2004-05-13 Sig Technology Ltd. Joint d'etancheite de bec verseur pour emballages groupes
WO2004058574A1 (fr) 2002-12-28 2004-07-15 Elopak Systems Ag Appareil et procede pour le soudage d'un element de bec verseur sur un contenant

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1286074B1 (it) * 1996-10-31 1998-07-07 Tetra Laval Holdings & Finance Dispositivo di apertura su un materiale in foglio da imballaggio
EP1216927A1 (fr) * 2000-12-11 2002-06-26 Crown Cork & Seal Technologies Corporation Bouchon verseur pour cartons

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108029A (en) 1990-02-16 1992-04-28 Capitol Spouts, Inc. Reclosable attachment for containers
GB2301098A (en) 1994-02-17 1996-11-27 Portola Packaging Inc Unitary tamper-evident fitment and closure assembly
US5799840A (en) 1996-04-25 1998-09-01 Tetra Laval Holdings & Finance, S A Closure formed as a single, integral part
WO2001015979A1 (fr) 1999-08-27 2001-03-08 Tetra Laval Holdings & Finance Sa Ouverture refermable destinee aux emballages de produits alimentaires pouvant etre verses
CA2502868A1 (fr) 2002-10-29 2004-05-13 Sig Technology Ltd. Joint d'etancheite de bec verseur pour emballages groupes
WO2004058574A1 (fr) 2002-12-28 2004-07-15 Elopak Systems Ag Appareil et procede pour le soudage d'un element de bec verseur sur un contenant

Also Published As

Publication number Publication date
EP1812228A2 (fr) 2007-08-01
EP1812228B1 (fr) 2012-01-04
ES2396538T3 (es) 2013-02-22
DK1812228T3 (da) 2012-05-07
ATE539880T1 (de) 2012-01-15
WO2006051328A3 (fr) 2006-08-03

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