EP1985552A2 - Revêtement interne flexible et systèmes de récipients bag-in-box - Google Patents

Revêtement interne flexible et systèmes de récipients bag-in-box Download PDF

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Publication number
EP1985552A2
EP1985552A2 EP08251300A EP08251300A EP1985552A2 EP 1985552 A2 EP1985552 A2 EP 1985552A2 EP 08251300 A EP08251300 A EP 08251300A EP 08251300 A EP08251300 A EP 08251300A EP 1985552 A2 EP1985552 A2 EP 1985552A2
Authority
EP
European Patent Office
Prior art keywords
liner
collapsible container
bag
container
collapsible
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Withdrawn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
EP08251300A
Other languages
German (de)
English (en)
Other versions
EP1985552A3 (fr
Inventor
James Plunkett
Joseph Sullivan
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.)
CDF Corp
Original Assignee
CDF Corp
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 US12/061,331 external-priority patent/US9016555B2/en
Application filed by CDF Corp filed Critical CDF Corp
Publication of EP1985552A2 publication Critical patent/EP1985552A2/fr
Publication of EP1985552A3 publication Critical patent/EP1985552A3/fr
Withdrawn legal-status Critical Current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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/062—Flexible containers disposed within polygonal containers formed by folding a carton blank
    • B65D77/065—Spouts, pouring necks or discharging tubes fixed to or integral with the flexible container
    • 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
    • B65D5/36—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
    • B65D5/3607—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank
    • B65D5/3614—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank to form a tubular body, at least one of the ends of the body remaining connected
    • B65D5/3628—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 specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank to form a tubular body, at least one of the ends of the body remaining connected collapsed along median lines of two opposite sides of the rectangular tubular body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/062—Flexible containers disposed within polygonal containers formed by folding a carton blank

Definitions

  • the present invention relates to flexible liners for use in containers such as those used in flexible intermediate bulk container (“FIBC") systems or bag-in-box container systems. More particularly, the present invention relates to systems and methods for a flexible liner and collapsible bag-in-box container system.
  • FIBC flexible intermediate bulk container
  • the bag-in-box concept has been employed for transporting in bulk such diverse products as beverages, vegetable oils, salad dressings, syrups, soy sauce, peanut butter, pharmaceuticals, talc, motor oil, industrial chemicals, detergents in liquid or powder form, and toiletry products or ingredients, etc.
  • the FIBC concept includes a bulk container system comprising a flexible liner in a flexible or semi-flexible bag.
  • a FIBC bag is made of a woven material (e.g., woven polymer, TYVEX®, canvas, wire mesh or net).
  • the flexible liner is typically chemically resistant and impermeable to water and air and serves as the container for a selected commodity.
  • the FIBC bag serves as a protective container for the flexible liner and its contents.
  • a FIBC bag is disclosed in U.S. Pat. No. 4,596,040 to LaFleur et al., which issued Jun 17, 1986 , and is hereby incorporated by reference in its entirety.
  • the bag-in-box concept comprises a flexible or foldable liner and a rigid or semi-rigid box as an outer container.
  • the flexible liner is generally prepared by seal working plastic films or an integrated molding manufactured by blow-molding fused plastic into an integrated mold, etc.
  • the flexible liner is typically chemically resistant and impermeable to water and air and serves as the container for a selected commodity.
  • the box may be made of plywood or other materials, cardboard, fiberboard, metal, or plastic.
  • the box serves as a protective container for the flexible liner and its contents.
  • a box for a bag-in-box system is disclosed in U.S. Pat. No. 6,533,122 to Plunkett, which issued Mar. 18, 2003 , and is hereby incorporated by reference in its entirety.
  • a bag for use in a bag-in-box system is disclosed in US 2005-0220369 A1 , entitled "Bag With Flap for Bag-In-Box Container Systems,” which is herby incorporated by reference in its entirety.
  • the liner may include at least a filler fitting near the top of the liner whereby the liner may be filled with, or drained of, its contents.
  • the outer container usually comprises a cover or top panel that is removable to permit access to the liner and the filler fitting.
  • the outer container can be a non-returnable or one-way container.
  • the outer container is a box for a bag-in-box system and is generally made of a corrugated fiberboard or the like, the box can be discarded after use.
  • plastic flexible liners With respect to the bag-in-box concept as applied to bulk shipment or commodities, the plastic flexible liners have taken various forms.
  • One common form is the so-called “pillow” type, which consists of at least two sheets of plastic film sealed together at their edges.
  • Another common form is the six-sided flexible liners (e.g., liners that take the shape of a cube or rectangular parallelepiped when filled) made from a plurality of sheets of plastic film.
  • the flexible liner is often inferior at conforming to an interior shape of the outer container.
  • the flexible liner is often inferior at conforming to an interior shape of the outer container.
  • there is wasted or dead space between the flexible liner and the outer container when the flexible liner is positioned within the outer container, there is wasted or dead space between the flexible liner and the outer container.
  • dead space is formed between the flexible liner and the outer container, the flexible liner moves easily within the outer container, which may lead to breakage of the flexible liner during shipping.
  • undesired folds or bends can occur in the flexible liner.
  • the contents will remain in the folded or bent portions, such that it is difficult to completely empty the contents from the flexible liner.
  • flexible liners are often not self-supporting. It can be difficult and inconvenient to handle the flexible liners at the same time the flexible liner is being filled or emptied.
  • the present invention in one embodiment, is a collapsible container having a liner attached to the collapsible container, such that when the container is expanded from a collapsed state, the attached liner similarly expands.
  • the liner may be impermeable to water and air.
  • the liner may be securely attached to the collapsible container with glue. When the collapsible container is expanded, the liner may expand to substantially conform to the shape of the collapsible container. In some embodiments, the liner is substantially rectangular when the collapsible container is expanded.
  • the liner may further comprise a filler fitting for receiving contents for filling the liner.
  • the filler fitting may comprise one or more annular rings adapted to secure the filler fitting of the liner to an opening in the collapsible container.
  • the collapsible container in some embodiments, may be made of corrugated fiberboard, or cardboard.
  • the collapsible container may further include tape having two adhesive sides for securing the collapsible container in an expanded state.
  • the double-sided tape may secure two overlapping portions of the collapsible container.
  • FIG. 1 is a top perspective view of a liner and collapsible bag-in-box container as shown in a fully expanded state in accordance with an embodiment of the present invention.
  • FIG. 2 is a top perspective view of a collapsible bag-in-box container of the embodiment shown in FIG. 1 with a cover or cap attached to the bag-in-box container.
  • FIG. 3 is a perspective view of a collapsed liner and bag-in-box container of the embodiment shown in FIG. 1 .
  • FIG. 4 is a bottom view of a liner and collapsible bag-in-box container of the embodiment shown in FIG. 1 in an expanded state.
  • FIG. 5 is top view of a liner and collapsible bag-in-box container of the embodiment shown in FIG. 1 with the bottom of the bag-in-box container squared out and with the filler fitting of the liner positioned in the filler opening of the bag-in-box container.
  • FIG. 6 is a side view of a collapsible bag-in-box container of the embodiment shown in FIG. 1 having double-sided tape for securing the bag-in-box container in an expanded position.
  • FIG. 7 is a top perspective view of a liner and collapsible bag-in-box container of the embodiment shown in FIG. 1 having double-sided tape for securing the top of the bag-in-box container in a closed position.
  • the present invention is a novel and advantageous flexible liner and collapsible bag-in-box container system. While the description set forth below may refer to a liner, it is to be recognized that the liner may be a liner or an FIBC. Generally, the present invention may have a flexible liner that is attached to a bag-in-box container. The flexible liner and the bag-in-box container may be stored, shipped, etc. together in a collapsed, or folded, state. When the bag-in-box container is expanded, the flexible liner may expand correspondingly.
  • Figure 1 illustrates one embodiment of a flexible liner and collapsible bag-in-box container system 10 of the present invention in an expanded and filled state.
  • the system 10 may include a flexible liner 12 and a bag-in-box container 14.
  • the bag-in-box container 14 When expanded, the bag-in-box container 14 may form the shape of a rectangle, cube, or any other suitable shape for carrying a flexible liner 12 for transporting liquid and particulate commodities, such as those previously described.
  • the flexible liner 12 may comprise of a flexible, heat-sealable packaging material in sheet form.
  • the packaging material may consist of polyethylene, polypropylene, or some other thermoplastic material, or be a laminate of two or more packaging materials bonded to one another.
  • Each of the portions of the flexible liner 12 may comprise a single sheet of packaging material (i.e., single ply) or two or more sheets of packaging material (i.e., multiply). Where more than a single sheet of packaging material is used, the individual sheets may be of like or different material and may be secured to one another only at selected areas. Certain embodiments of flexible liners or bags for bag-in-box systems are disclosed in U.S. Pat. No.
  • the flexible liner 12 may include a filler fitting 16 through which the flexible liner 12 may be filled or emptied.
  • the filler fitting may further comprise a cap 18, which may preferably be liquid-tight, for sealing the filler fitting 16.
  • the filler fitting 16 may be located at a top, or upper, portion of the flexible liner 12, such that it may be accessed through a top portion of the bag-in-box container 14.
  • a typical example of the bag-in-box container 14 may be comprised of corrugated fiberboard or like material.
  • the bag-in-box container 14 may be comprised of plywood, metal, plastic, or any other suitable material or combination thereof.
  • a wall surface of the bag-in-box container may contain a filler opening 20 for accessing the filler fitting 16 of the flexible liner 12.
  • Filler opening 20 may be any shape suitable for providing access to the flexible liner 12. In one embodiment, filler opening 20 may generally be in the shape of a circle.
  • the filler opening 20 may comprise a slot, recess, indent, hole, or other suitable means 22 for positioning the filler fitting 16 of the flexible liner 12 in a temporary, locked position, as illustrated in Figure 1 .
  • the filler fitting 16 may comprise one or more protrusions or annular rings extending outward from the filler fitting for securing the filler fitting 16 in the filler opening slot 22. In the locked position, the filler fitting 16 may be easier to handle while filling the flexible liner 12 than would be without a means for securing the filler fitting 16 to the bag-in-box container 14 while filling.
  • Figure 2 illustrates an embodiment of a flexible liner and collapsible bag-in-box container system 10 in an expanded and filled state and ready for shipping.
  • the filler fitting 16 may be removed from the filler opening slot 22 and moved to a position entirely within the bag-in-box container 14.
  • the bag-in-box container 14 may include a removable cover 24 for the filler opening 20.
  • the removable cover 24 is made of plastic or suitable material.
  • the removable cover 24 is made of metal, fiberboard or like material, fabric, paper, or any other suitable material or combination of materials.
  • the removable cover 24 is shaped and adapted to fit within filler opening 20 and filler opening slot 22.
  • the removable cover 24 is adapted to fit over the filler opening 20, such that the removable cover 24 partially or entirely covers the filler opening 20 and filler opening slot 22.
  • the dimensions or sizes of the collapsible bag-in-box container may be determined in consideration of the International Standard of a pallet.
  • the collapsible bag-in-box container 14 may have any desired length, width, and height. For example, a length of from about 8 to 15 inches or from about 10 to 13 inches, a width of from about 8 to 15 inches or from about 10 to 13 inches, and a height from about 7 to 13 inches or from about 9 to 11 inches may be used.
  • the bag-in-box container 14 may be rectangular-shaped. In a further embodiment, the bag-in-box container 14 may be cube-shaped.
  • the shape and dimensions or sizes of the collapsible bag-in-box container 14 may be pillow-shaped, or any other suitable shape or size.
  • the collapsible bag-in-box container 14 may be dimensioned and/or shaped to hold a flexible liner 12 designed to hold from about 1 to 5 gallons of contents therein.
  • Figure 3 illustrates an embodiment of a flexible liner and collapsible bag-in-box container system 10 in a collapsed or folded state.
  • the flexible liner and collapsible bag-in-box container system 10 may be easy to store, ship, etc.
  • Figure 4 illustrates a bottom view of an embodiment of a flexible liner and collapsible bag-in-box container system 10 in an expanded state with the bottom flaps of the bag-in-box container 14 open.
  • the flexible liner 12 may expand with the bag-in-box.
  • the flexible liner 12 may substantially conform to the shape of the expanded bag-in-box container 14.
  • the flexible liner 12 may be attached to the bag-in-box container 14 using any suitable method for securely attaching the flexible liner 12 to the bag-in-box container 14, such as by gluing, taping, tying, mechanically securing, notching, etc.
  • the flexible liner 12 may be glued to the bag-in-box container 14. In further embodiments, the flexible liner 12 may be glued to the bag-in-box container 14 only at selected areas. For example, in one embodiment, the sides of the flexible liner 12 may be securely attached, or glued, to the sides of the bag-in-box container 14, leaving top and bottom flaps of the bag-in-box container 14 free to move in positions away from the flexible liner 12, such as when the flexible liner and collapsible bag-in-box container system 10 is in a collapsed or folded state. In yet other embodiments, the corners of the flexible liner 12 may be securely attached, or glued, to the corners of the bag-in-box container 14. In any case, the flexible liner 12 may be securely attached to the bag-in-box container 14 in a manner that allows the flexible liner and collapsible bag-in-box container system 10 to be easily positioned in a collapsed or folded state.
  • Figure 5 illustrates a top view of one embodiment of a flexible liner and collapsible bag-in-box container system 10, wherein the flexible liner 12 is expanded to conform to the shape of the bag-in-box container 14.
  • the flexible liner 12 is not securely attached to the bag-in-box container 14 at, or near, the top portion(s) of the flexible liner 12, such that the filler fitting 16 may be freely moved throughout a range of motion that allows easy handling, filling, etc. of the flexible liner 12.
  • a bag-in-box container 14 for a flexible liner and collapsible bag-in-box container system 10 of the present invention may further include means for securely closing the bag-in-box container 14 or otherwise securing the bag-in-box container 14 in an expanded state.
  • the means for closing or securing the bag-in-box container 14 in an expanded state includes double-sided tape 26.
  • the double-sided tape 26 may be located at any suitable location for securing two or more portions of the bag-in-box container 14 together.
  • the means for closing or securing the bag-in-box container 14 in an expanded state may include any suitable means now known or hereafter created for closing or securing the bag-in-box container in an expanded, ready-for-shipping state as illustrated in Figures 1 and 2 .
  • the means for closing or securing may include, gluing, tacking, notching, etc.
  • double-sided tape 26 may be used for securing two top portions of a bag-in-box container 14 together, thereby enclosing the flexible liner 12 in the bag-in-box container 14.
  • any suitable means may be used for securing two top portions of a bag-in-box container 14 together.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP08251300A 2007-04-03 2008-04-03 Revêtement interne flexible et systèmes de récipients bag-in-box Withdrawn EP1985552A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90975907P 2007-04-03 2007-04-03
US12/061,331 US9016555B2 (en) 2007-04-03 2008-04-02 Flexible liner and bag-in-box container systems

Publications (2)

Publication Number Publication Date
EP1985552A2 true EP1985552A2 (fr) 2008-10-29
EP1985552A3 EP1985552A3 (fr) 2008-11-12

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Application Number Title Priority Date Filing Date
EP08251300A Withdrawn EP1985552A3 (fr) 2007-04-03 2008-04-03 Revêtement interne flexible et systèmes de récipients bag-in-box

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020212636A1 (fr) * 2019-04-16 2020-10-22 Beltran Rico Vicente Luis Poche en boîte pour le stockage et la distribution d'une substance adhésive
WO2026040854A1 (fr) * 2024-08-20 2026-02-26 上海箱箱智能科技有限公司 Contenant pliable

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596040A (en) 1982-09-30 1986-06-17 Custom Packaging Systems Large bulk bag
US5788121A (en) 1994-11-18 1998-08-04 Kabushiki Kaisha Hosokawa Yoko Bag for bag-in-box and bag-in-box
US6533122B1 (en) 2000-02-07 2003-03-18 James Plunkett Shipping container
US20050220369A1 (en) 2004-04-06 2005-10-06 Cdf Corporation Bag with flap for bag-in-box container system
US20060023973A1 (en) 2004-07-27 2006-02-02 James Plunkett Flexible liner for FIBC or bag-in-box container systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208658A (en) * 1964-03-02 1965-09-28 Membrino Herman Multiple section container assembly
US3253764A (en) * 1964-09-28 1966-05-31 Weyerhaeuser Co Container
US4174051A (en) * 1978-07-26 1979-11-13 The Continental Group, Inc. Protective locking flaps for opening in sealed corrugated containers
GB2236304A (en) * 1989-09-26 1991-04-03 Nomix Mfg Co Ltd Lined boxes for liquids
US5074460A (en) * 1990-10-24 1991-12-24 Hanekamp Matthew R Container structure
WO1996001766A1 (fr) * 1994-07-08 1996-01-25 Don Ringer Reservoir de liquide pliable
CA2436006C (fr) * 2002-07-24 2007-08-28 Jared P. Andrews, Sr. Contenant a boisson ameliore

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596040A (en) 1982-09-30 1986-06-17 Custom Packaging Systems Large bulk bag
US5788121A (en) 1994-11-18 1998-08-04 Kabushiki Kaisha Hosokawa Yoko Bag for bag-in-box and bag-in-box
US6533122B1 (en) 2000-02-07 2003-03-18 James Plunkett Shipping container
US20050220369A1 (en) 2004-04-06 2005-10-06 Cdf Corporation Bag with flap for bag-in-box container system
US20060023973A1 (en) 2004-07-27 2006-02-02 James Plunkett Flexible liner for FIBC or bag-in-box container systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020212636A1 (fr) * 2019-04-16 2020-10-22 Beltran Rico Vicente Luis Poche en boîte pour le stockage et la distribution d'une substance adhésive
WO2026040854A1 (fr) * 2024-08-20 2026-02-26 上海箱箱智能科技有限公司 Contenant pliable

Also Published As

Publication number Publication date
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