WO2016073392A1 - Ensemble bec verseur ayant un film barrière pour une poche flexible - Google Patents

Ensemble bec verseur ayant un film barrière pour une poche flexible Download PDF

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Publication number
WO2016073392A1
WO2016073392A1 PCT/US2015/058701 US2015058701W WO2016073392A1 WO 2016073392 A1 WO2016073392 A1 WO 2016073392A1 US 2015058701 W US2015058701 W US 2015058701W WO 2016073392 A1 WO2016073392 A1 WO 2016073392A1
Authority
WO
WIPO (PCT)
Prior art keywords
spout
base film
base
coupling member
top surface
Prior art date
Application number
PCT/US2015/058701
Other languages
English (en)
Inventor
David Bellmore
Karen Berger
Original Assignee
Scholle Corporation
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 Scholle Corporation filed Critical Scholle Corporation
Publication of WO2016073392A1 publication Critical patent/WO2016073392A1/fr

Links

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
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall

Definitions

  • the disclosure relates in general to flexible packaging, and more particularly, to a spout assembly for a flexible bag that includes a barrier film which reduces the oxygen transmission rate therethrough.
  • the disclosure is also directed to a flexible bag having a spout with a barrier film coupled thereto.
  • the flexible packaging comprises a flexible bag having a spout that is positioned within an outer rigid container (such as a box).
  • an outer rigid container such as a box
  • bag in box packaging In some instances, the box can be eliminated and the flexible bag may be a standalone component or may be incorporated into another package (such as a semi-rigid package, for example).
  • the flexible bag typically contains a flowable material such as a liquid, a syrup, a juice, a gel or the like.
  • a tap is coupled to the spout to allow for the selective dispensing of the flowable material from within the bag.
  • a cap may be positioned over the spout, wherein the cap includes a valve that can be actuated to control the egress of flowable material.
  • a valve may be positioned within the spout, and the valve can be actuated by a dispenser coupled to the spout. The disclosure is not limited to any particular type of means of fluid withdrawal from the flexible bag.
  • the flowable material is sensitive to outside gasses and materials.
  • the flowable material is susceptible to spoilage, and degradation in quality due to oxidation. Oxidation occurs when oxygen is transmitted through the bag, the spout and the tap of the flexible bag and is directed into the flowable material.
  • One particular beverage that is susceptible to degradation from oxygen exposure is wine. It is often the case that wine is stored in a bag in box package. Therefore, the shelf life of wine packaged in such bag in box packaging is often limited by the oxygen transmission rate of the flexible bag and its components. Decreasing the oxygen transmission rate serves to increase the shelf life of the wine within the bag in box package.
  • the disclosure is directed to a spout assembly comprising spout, a base film and a coupling member.
  • the spout has a base flange and an upstand.
  • the base flange has a top surface, a lower surface and an outer surface.
  • the upstand extends from the base flange toward a distal end spaced therefrom.
  • the upstand defines a passageway with a lower opening and an upper opening.
  • the base film has a top surface and a bottom surface. At least a portion of the top surface of the base film overlies at least a portion of the lower surface of the base flange.
  • the coupling member couples the base film to the spout. In turn, the base film is maintained in the overlying orientation.
  • the coupling member is structurally configured to couple the base film directly to the spout.
  • the coupling member is structurally configured to couple the top surface of the base film directly to the lower surface of the base flange.
  • the coupling member comprises an adhesive joining the top surface of the base film to the lower surface of the base flange.
  • the coupling member comprises at least one seal sealingly joining the top surface of the base film to the lower surface of the base flange.
  • the base film includes an inner annular edge and an outer annular edge.
  • the coupling member comprises an inner seal and an outer seal spaced apart from each other. The inner seal is proximate the inner annular edge and the outer seal is proximate the outer annular edge.
  • the coupling member couples substantially the entirety of the top surface of the base film and the lower surface of the base flange which overlie each other.
  • the coupling member comprises an inner seal positioned on the bottom surface between an inner annular edge and a projection of the upstand of the spout on the bottom surface, and the outer seal is positioned so as to extend beyond a seal of a film of a bag to the top surface of the base flange.
  • the base film extends beyond the outer surface of the base flange.
  • the spout is selected from a polyolefm from the group consisting of EMA, EVA, LDPE, LLDPE, MDPE, HDPE or PP.
  • the base film includes at least one barrier material from the group consisting of EVOH, PET, PETG,
  • PEN, PBT, PA, PVDC, MXD-6, LCP, PAN and SAN are contemplated for use.
  • the base film includes at least one barrier material from the group consisting of EVOH, PET, PETG, PEN, PBT, PA, PVDC, MXD-6, LCP, PAN and SAN.
  • the upstand further comprises a substantially circular cross-sectional configuration.
  • the disclosure is directed to a flexible bag assembly comprising a flexible bag and a spout assembly.
  • the flexible bag has a plurality of panels that are coupled together with a plurality of seals to form a
  • the spout assembly comprises a spout, a base film and a coupling member.
  • the spout has a base flange and an upstand.
  • the base flange has a top surface, a lower surface and an outer surface.
  • the upstand extends from the base flange toward a distal end spaced therefrom.
  • the upstand defines a passageway with a lower opening and an upper opening.
  • the base film has a top surface and a bottom surface. At least a portion of the top surface of the base film overlies at least a portion of the lower surface of the base flange.
  • the coupling member couples the base film to the spout. In turn, the base film is maintained in the overlying orientation.
  • the coupling member couples the base film to at least one of the lower surface of the base flange, an inner surface of the upstand and a portion of the at least one panel surrounding the opening of the flexible bag.
  • the base film extends beyond the outer surface of the base flange and overlies a portion of an inner surface of the at least one panel about the opening of the flexible bag.
  • the base film overlies substantially the entirety of the lower surface of the base flange.
  • the coupling member is structurally configured to couple the base film directly to the spout.
  • the coupling member is structurally configured to couple the top surface of the base film directly to the lower surface of the base flange.
  • the coupling member comprises an adhesive joining the top surface of the base film to the lower surface of the base flange.
  • the coupling member comprises an inner seal positioned on the bottom surface between an inner annular edge and a projection of the upstand of the spout on the bottom surface, and the outer seal is positioned so as to extend beyond a seal of a film of a bag to the top surface of the base flange.
  • Figure 1 of the drawings is top plan view of a flexible package of the present disclosure, showing, in particular the barrier spout of the present disclosure
  • Figure 2 of the drawings is a cross-sectional view of the flexible package of the present disclosure, showing, in particular the barrier spout of the present disclosure;
  • Figure 3 of the drawings is a perspective view of a spout assembly of the present disclosure, showing a base film coupled thereto through a coupling member;
  • Figure 4 of the drawings is a cross-sectional view of the spout assembly shown in Figure 3;
  • Figure 5 of the drawings is a side elevational view of the spout assembly shown in Figure 3.
  • Figure 6 of the drawings is a bottom plan view of the spout assembly shown in Figure 3, showing in particular, the configuration of the coupling member. DETAILED DESCRIPTION OF THE DISCLOSURE
  • the flexible bag assembly 10 includes flexible bag 12 and spout assembly 14.
  • the bag assembly is often placed within a rigid outer container, often termed a bag-in-box package.
  • a bag-in-box package Such packaging is often utilized for different flowable materials, such as, including, but not limited to, chemicals, detergents, drink syrups, mixes, purees, gels and the like.
  • a dispensing fitment is coupled to the spout, such as a tap or a cap with a valve.
  • any number of different members may be coupled to the spout assembly 14 when the flexible bag assembly is configured for dispensing, shipping and/or storage.
  • a cap or a dispensing fitment may be coupled to the above configuration.
  • Such connectors may include those disclosed in U.S. Pat. No. 7,387,277 issued to Verespej et al, U.S. Pat. No. 7,469,522 issued to Verespej et al, U.S. Pat. No. 7,114,625 issued to Jones, et al, U.S. Pat. No. 8,448,799 issued to Thurman, as well as various Quick connect, disconnect fittings (QCD) that are utilized in association with soft drink syrups among others.
  • QCD Quick connect, disconnect fittings
  • dispensers such as those disclosed in U.S. Pat. Nos. 4,619,377 and 6,978,981 both of which are issued to Roos as well as U.S. Pat. Nos. 6,045,119; 6,296,157 and 6,360,925 issued to Erb, U.S. Pat. No. 8,336,743 issued to Bellmore, U.S. Pat. No. 7,240,811 issued to Roser may be utilized. Additionally, it will be understood that the spout or the cavity may further include different structures to aid in the dispensing of flowable material.
  • the flexible bag 12 may comprise any number of different configurations and different materials.
  • the flexible bag 12 is shown in Figure 1 and 2 as comprising a pillow type bag formed from a single ply or multiple plies of polymer based film (which may be metallized or otherwise treated).
  • a bag includes front panel 80 and back panel 82.
  • Front panel 80 includes outer surface 90 and inner surface 91.
  • the back panel 82 includes outer surface 92 and inner surface 93.
  • the front and back panel are positioned in an overlying orientation so that the inner surfaces face each other. It will be understood that while a generally rectangular inner bag is shown, a bag of a different shape, such as a shape that mates with the cavity portion of the outer soft box may be utilized.
  • seals 84 include a top seal 94, bottom seal 95, first side seal 96 and second side seal 97.
  • the seals are generally perpendicular to adjacent seals and parallel to opposing seals to generally define a square or rectangular configuration, thereby defining a generally square or rectangular cavity 99.
  • the seals may be formed through the application of heat, or through other procedures, including, but not limited to RF welding, ultrasonic welding, adhesive, among others. The disclosure is not limited to any particular manner of attachment of the panels.
  • an opening 86 is provided through the front panel 80 proximate, but spaced apart from, the bottom seal 95.
  • the spout assembly 14 can be coupled thereto in sealed engagement by way of seal 87 (which is also represented by a dashed line, while the seal is continuous, in Figure 6).
  • seal 87 which is also represented by a dashed line, while the seal is continuous, in Figure 6.
  • multiple spouts may be provided, one, for example, for dispensing, and one for filling.
  • the spout assembly 14 is shown in more detail in Figures 3 through 6 as comprising spout 16, base film 17 and coupling member 18.
  • the spout 16 includes base flange 20, cylindrical upstand 22, body flange 24 and upper annular rim flange 26.
  • the base flange 20 lower surface 34, top surface 33 and outer surface 32.
  • the base flange is coupled to the container body (i.e., typically a conventional pillow-type container) through welding, adhesion or other system typically joining the upper surface to the inside of the panels.
  • the cylindrical upstand 22 extends upwardly and generally orthogonally from the base flange 20, and through the opening 86 of the flexible bag and includes a proximal end 40 and distal end 41.
  • the cylindrical upstand is substantially uniform in cross-section and the inner surface defines a passageway with an opening at either end which provides fluid communication with the cavity of the flexible bag.
  • An upper opening is positioned at the distal end, and a lower opening is positioned at the proximal end. While termed cylindrical, elliptical as well as other shapes are contemplated.
  • the body flange 24 includes upper surface 50, lower surface 51 and outer surface 52.
  • the lower body flange is spaced apart from the base flange and is generally parallel thereto.
  • a generally uniform lower channel 35 is defined between the flanges.
  • Filling equipment and dispensing coupling equipment may be configured to grasp the spout 14 about the geometry defined by the defined lower channel and the associated flanges.
  • the body flange is of a diameter smaller than the base flange. It will be understood that variations are contemplated.
  • the upper annular rim flange 26 extends about the distal end of the cylindrical upstand 22.
  • the upper annular rim flange 26 includes upper surface 60, lower surface 61 and outer surface 62.
  • the upper annular rim is positioned at or near the distal end 41 of the cylindrical upstand. In the configuration shown, the upper annular rim is positioned at the uppermost end of the cylindrical upstand and defines the distal end of the spout.
  • the spout is molded from a polymer.
  • the spout is formed from a polyolefm, such as, EMA, EVA, LDPE, LLDPE, MDPE, HDPE or PP, while not being limited thereto.
  • the foregoing may have a component used to promote adhesion to a barrier material, for example, and without limitation, anhydride -modified polyolefm.
  • the base film 17 is shown in Figures 4 through 6 as comprising a top surface 70, bottom surface 71 , inner annular edge 72 and outer annular edge 73.
  • the base film comprises a film that has barrier properties that are improved over those from which the spout is formed.
  • barrier properties that are improved over those from which the spout is formed.
  • a co-extrusion having EVOH is contemplated for use, as are films having a barrier material such as EVOH, PET, PETG, PEN, PBT, PA, PVDC, MXD-6, LCP, PAN and SAN.
  • the base film 17 is substantially uniform and of a thickness of approximately between 0.5 mils and 10 mils.
  • the top surface 70 of the base film overlies the lower surface 34 of the base flange 20.
  • the base film extends beyond the outer surface 32 of the base flange, and extends to the inner opening of the base flange proximate the cylindrical upstand 22.
  • the base film covers virtually the entirety of the lower surface of the spout, and even extends therebeyond.
  • the base film may be smaller or larger than the base flange. That is, the base flange may extend into the opening of the cylindrical upstand 22 and may extend beyond the outer surface 32 of the base flange.
  • the base film is coupled to the base flange through a coupling member 18.
  • the coupling member 18 comprises a plurality of seals (heat welding, RF sealing, etc.), including, outer seal 83 and inner seal 81.
  • Each of the seals comprises a generally circular seal member which is continuous and extends about the base flange.
  • One of the seals extends proximate the outer surface of the base flange, with the other seal extending proximate the opening in the base flange. Additional seal points or seal surfaces may be disposed between the inner and outer seals.
  • the seals comprise heat seals.
  • the seals may comprise adhesive seals or the like. That is, the base film may be adhered to the base flange about discrete locations or about the entirety of the surface of the base flange and/or the base film.
  • the outer seal 83 extend axially to the outside of the spout seal 87 so that the spout seal 87 is maintained within the outer seal 83.
  • portions thereof may overlap with the spout seal 87, however, preferably at least a portion of the outer seal 83 extends outwardly beyond the spout seal entirely about the circumference of the spout seal.
  • the inner seal 81 preferably, the inner seal is positioned at the proximal end of the cylindrical upstand along the lower surface of the spout 16 between the projection of the outer surface 42 and the inner surface 43 of the cylindrical upstand 22.
  • both the seal 81 and 83 are continuous around the base flange of the spout, as, the lower surface of the base flange captured between the seals 81 , 83 is therefore physically inaccessible except through the permeability of the base film itself.
  • the seals are not limited to any particular shape or configuration. That is, in the embodiment shown, the seals comprise uniform circular seals that have a substantially uniform width. Other embodiments are contemplated wherein the seals may have configurations that are varied therealong, or that may change is shape about the base flange. It will be understood that the configurations may comprise the joining of the base film to the spout through heat, RF sealing, adhesive, as well as combinations of the foregoing.
  • the spout is provided.
  • the spout may comprise the configuration shown, however, it will be understood that other configurations of the spout are contemplated, including, but not limited to spouts that have additional flanges, upstands having different shapes, other outlets, among other features.
  • the spout generally includes a base flange which has an upper surface which is coupled to the inside of the flexible bag.
  • a base film can be provided in the shape desired to match the shape of the base flange. It will be understood that by matching, it is meant that the shape of the base film may be larger or smaller than the lower surface of the base flange; that is, the base film may extend beyond the base flange either beyond the outer surface or beyond and into the opening where the base flange and the cylindrical upstand meet. It will be further understood that the base film may extend into the cylindrical upstand and be coupled with the coupling member to the inner surface of the cylindrical upstand.
  • the base film is substantially planar
  • the base film may be preshaped into a desired configuration which is non-planar.
  • the inner annular edge may be shaped so as to extend into the cylindrical upstand.
  • the outer annular edge may be shaped so as to partially encircle the outer surface 32 of the base flange 20.
  • embossings or other surface variations may be introduced into the base film so as to achieve certain separation channels between the base film and the inner surface of the back panel of the flexible bag.
  • the base film once provided, is coupled to the spout by way of the coupling member.
  • the coupling member As explained above, a number of different procedures may be utilized to couple the base film to the spout, and the points or regions of coupling may be varied depending on the application or the configuration desired.
  • the film for the flexible bag is provided and the opening 86 is defined in the film. This may occur before or after some of the seals joining the front and back panel of the flexible bag have been formed.
  • the cylindrical upstand 22 is extended from the opening of the bag.
  • the top surface 33 of the base flange 20 is coupled to the flexible bag about the opening 86 to form a substantially fluid-tight configuration therewith.
  • a number of coupling methods that are known to those of skill in the art can be utilized, including but not limited to RF welding, heat welding, ultrasonic welding, adhesion and the like. It is envisioned that the outer annular edge may be further coupled to the inner surface of the front panel 80 of the flexible bag through adhesion, sealing or the like.
  • the oxygen transmission rate of the overall flexible bag can be greatly reduced with a very slight modification to the spout.
  • the oxygen transmission of the combination was recorded in cc/pkg/day@100% 0 2 .
  • the results are shown below. Again, the only difference was the inclusion of the base film and the coupling member coupling the base film to the base flange of the spout.
  • the inclusion of the base film coupled by way of the coupling member to the lower surface of the base flange reduced the oxygen transmission by almost forty percent.
  • Such a vast improvement is realized even though only the lower surface of the base flange is covered with the base film and the predominant portion of the cylindrical upstand and the tap remain in the same condition in the second test as they are in the first test.
  • a vast improvement in the oxygen transmission rate is achieved through the inclusion of the base film.
  • An additional advantage is that the spout and the flexible bag can remain the same and may not require modification. That is, the materials in the spout can remain the same, as can the materials for the flexible bag, as well as the construction and mating.
  • the coupling member strength can be substantially less than that of the other seals and joints.
  • a larger scope of materials become available for use due to the fact that such strengths are not required.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)

Abstract

Ensemble bec verseur comprenant un bec verseur, un film de base et un élément d'accouplement. Le bec verseur possède une bride de base et un montant. La bride de base comporte une surface supérieure, une surface inférieure et une surface extérieure. Le montant s'étend depuis la bride de base vers une extrémité distale espacée de celle-ci. Le montant délimite un passage ayant une ouverture inférieure et une ouverture supérieure. Le film de base comprend une surface supérieure et une surface inférieure. Au moins une partie de la surface supérieure du film de base recouvre au moins une partie de la surface inférieure de la bride de base. L'élément d'accouplement accouple le film de base au bec verseur. Le film de base est quant à lui maintenu dans l'orientation de superposition.
PCT/US2015/058701 2014-11-03 2015-11-03 Ensemble bec verseur ayant un film barrière pour une poche flexible WO2016073392A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/531,299 2014-11-03
US14/531,299 US20160122104A1 (en) 2014-11-03 2014-11-03 Spout assembly having a barrier film for a flexible bag and a flexible bag having a spout assembly having a barrier film

Publications (1)

Publication Number Publication Date
WO2016073392A1 true WO2016073392A1 (fr) 2016-05-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/058701 WO2016073392A1 (fr) 2014-11-03 2015-11-03 Ensemble bec verseur ayant un film barrière pour une poche flexible

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WO (1) WO2016073392A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9957148B2 (en) * 2009-09-14 2018-05-01 Pouch Pac Innovations, Llc Pouch with a tube spout fitment
US20160304332A1 (en) 2015-04-17 2016-10-20 Ds Smith Plastics Limited Multilayer film used with flexible packaging
CA2952085C (fr) * 2015-05-29 2022-11-29 Lbi Brands, Inc. Appareil de boite a eau et methode
US20190359472A1 (en) * 2018-05-28 2019-11-28 Biab Holdings Inc. Food grade disposable container with a one ounce (1 oz.) or one-and-a-half ounce (1.5 oz.) tap for pouring alcohol with a countertop dispensing stand device, system, and method
WO2020237007A1 (fr) 2019-05-23 2020-11-26 Ecolab Usa Inc. Système de distribution

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4362255A (en) * 1980-10-24 1982-12-07 Liqui-Box Corporation Barrier spout and cap for flexible bags or pouches
US5941421A (en) * 1983-10-17 1999-08-24 The Coca-Cola Company Conduit member for collapsible container
RU2223210C2 (ru) * 1997-07-07 2004-02-10 Локтайт (Р Энд Д) Лимитед Контейнер для анаэробных продуктов
WO2004031041A1 (fr) * 2002-10-02 2004-04-15 Rapak, Llc Piece pour contenant souple
US20050045654A1 (en) * 2003-08-26 2005-03-03 Raizo Kuge Spouting structure for liquid container and bag-in-box container

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FI875114A (fi) * 1986-11-21 1988-05-22 Courtaulds Packaging Australia Aseptisk paofyllningsmaskin.
AUPP757398A0 (en) * 1998-12-07 1999-01-07 Astrapak Pty Ltd Aseptic liquid packaging fitment
US6996950B2 (en) * 2003-01-16 2006-02-14 Nestec S.A. Method for sealingly attaching a peripheral attachment member onto a filled-sealed pouch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362255A (en) * 1980-10-24 1982-12-07 Liqui-Box Corporation Barrier spout and cap for flexible bags or pouches
US5941421A (en) * 1983-10-17 1999-08-24 The Coca-Cola Company Conduit member for collapsible container
RU2223210C2 (ru) * 1997-07-07 2004-02-10 Локтайт (Р Энд Д) Лимитед Контейнер для анаэробных продуктов
WO2004031041A1 (fr) * 2002-10-02 2004-04-15 Rapak, Llc Piece pour contenant souple
US20050045654A1 (en) * 2003-08-26 2005-03-03 Raizo Kuge Spouting structure for liquid container and bag-in-box container

Also Published As

Publication number Publication date
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