WO2014133573A1 - Pochette à soufflet dilatable de sachet - Google Patents

Pochette à soufflet dilatable de sachet Download PDF

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Publication number
WO2014133573A1
WO2014133573A1 PCT/US2013/042564 US2013042564W WO2014133573A1 WO 2014133573 A1 WO2014133573 A1 WO 2014133573A1 US 2013042564 W US2013042564 W US 2013042564W WO 2014133573 A1 WO2014133573 A1 WO 2014133573A1
Authority
WO
WIPO (PCT)
Prior art keywords
pouch
sleeve
gusset
package
edible product
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/US2013/042564
Other languages
English (en)
Inventor
Ali El-Afandi
Todd Purkey
Christopher Scott
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.)
General Mills Inc
Original Assignee
General Mills Inc
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 US29/447,235 external-priority patent/USD743810S1/en
Application filed by General Mills Inc filed Critical General Mills Inc
Priority to CA2899301A priority Critical patent/CA2899301A1/fr
Priority to US14/241,617 priority patent/US20160023835A1/en
Publication of WO2014133573A1 publication Critical patent/WO2014133573A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • 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
    • B65D75/525—External rigid or semi-rigid supports
    • 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
    • B65D75/5827—Tear-lines provided in a wall portion
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/343—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated in a conventional oven, e.g. a gas or electric resistance oven
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • B65D81/3461—Flexible containers, e.g. bags, pouches, envelopes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the present disclosure relates to a packaging for edible products.
  • the disclosure pertains to an expandable packaging for heating an edible product within a pouch.
  • a wide variety of edible products are pre-packaged in pouches.
  • the contents of the pouch are emptied into an eating vessel, e.g., a bowl or a plate, prior to consumption.
  • an eating vessel e.g., a bowl or a plate
  • pouches typically used for edible products are cumbersome to handle, unstable when placed on a flat surface, and generally unwieldy.
  • pouches containing an edible product that is warmed or heated before being consumed can be difficult to handle because the surface of the pouch is essentially at the same temperature as its content.
  • a method for heating an edible product enclosed within a pouch includes providing one or more pouches having an enclosed space containing the edible product.
  • the pouch includes one or more tear notches and one or more tear lines extending from the one or more notches and along at least a portion of a surface of the pouch.
  • the pouch also includes one or more sealed vents defining at least a portion of a flow path between the enclosed space and an external environment surrounding the pouch.
  • the method also includes providing a sleeve having a first and a second end and a wall having an internal and an external surface and extending between the first and the second ends. The first end of the sleeve is open and the second end of the sleeve includes a sleeve gusset.
  • the sleeve also includes one or more thumb holes in the wall.
  • the method includes inserting at least a portion of the pouch through the first end of the sleeve and placing it within the sleeve. Heating the edible product within the pouch will cause the pouch to bulge due to an increase in a pressure within the enclosed space. This, in turn, causes the sleeve to bulge and un-fold the sleeve gusset at the second end. During heating, at least one of the sealed vents may be forced open by the pressure built up within the enclosed space. The pouch may be torn open along the one or more tear lines, thereby providing access to the edible product contained therein.
  • the pouch initially placed within the sleeve is removed and replaced by another pouch containing an edible product.
  • the sleeve and two or more pouches are provided as a kit wherein the sleeve is reusable.
  • at least one of the one or more sealed vents is forced open (or unsealed) when the pressure within the enclosed space is greater than a predefined value.
  • the edible product includes a moisture content of at least 15 percent. Accordingly, steam is generated within the enclosed space when the edible product is heated. In some such embodiments, the steam unseals at least one the one or more sealed vents in the pouch.
  • the one or more pouches are retort pouches having pouch gussets.
  • the pouch gusset is positioned proximate the second end of the sleeve, i.e., proximate the sleeve gusset.
  • the sleeve and at least one pouch are provided as a package wherein the sleeve surrounds at least a portion of the pouch.
  • the pouch includes an enclosed space defined at least partially by opposed first and second panels sealed one to another along one or more edges, and includes one or more tear notches on an exterior section thereof. At least one or more tear lines on an external surface of the pouch extends from at least one tear notch and partition the pouch into a top section and a bottom section. The top and bottom sections are thus separable for accessing an item contained in the enclosed space of the pouch.
  • the sleeve includes a space defined by a peripheral wall and opposed first and second ends.
  • the first end of the sleeve is open and configured for receiving at least a portion of the pouch there within.
  • at least a portion of an external surface of the pouch is adhered to at least a portion of an internal surface of the peripheral wall of the sleeve.
  • the second end of the sleeve is at least partially closed by a sleeve gusset configured for being placed in any one or more positions between a collapsed or folded state and a partially un-folded state and/or an expanded or fully unfolded state.
  • the pouch when the package is warmed or heated in a heating device, the pouch bulges and exerts pressure on the peripheral wall of the sleeve, causing the sleeve to bulge and moving the peripheral wall. This movement of the peripheral wall transitions the sleeve gusset from the collapsed or folded state to the partially un-folded state and/or the expanded or fully un-folded state.
  • the pouch is opened and the content accessed by tearing the external surface of the pouch along the one or more tear lines.
  • the pouch includes a vent providing fluid communication between the enclosed space of the pouch and the external environment surrounding the pouch.
  • the package includes a susceptor or a shielding or some combination thereof for regulating the heating and/or conditioning of the content of the pouch.
  • pressure applied on opposed sides of an external surface of the peripheral wall causes the sleeve to bulge and separate the panels of the pouch apart from one another.
  • movement of the peripheral wall transitions the sleeve gusset from the collapsed or folded state to the partially un-folded state and/or the expanded or fully un-folded state.
  • FIG. 1 A is a perspective view of an embodiment of a package
  • FIG. IB is a top view of the package of FIG. 1A;
  • FIG. 2A is a perspective view of a sleeve with a sleeve gusset in a collapsed state
  • FIG. 2B is a perspective of the sleeve and sleeve gusset of FIG. 2A at an intermediate partially un-folded state;
  • FIG. 3 A is a perspective view of the sleeve of FIGS. 2A and 2B with the sleeve gusset in an un-folded state;
  • FIG. 3B is a bottom view of the sleeve and sleeve gusset of FIG. 3 A;
  • FIG. 3C is a top view of the sleeve and sleeve gusset of FIG. 3 A;
  • FIG. 4A is a perspective view of the package of FIG. 1A with a bulging pouch and a sleeve gusset in an un-folded state;
  • FIG. 4B is a perspective view of the package of FIG. 4A with an open pouch.
  • FIGS. 1A and IB are a perspective view and a top view of an embodiment of package 10.
  • Package 10 includes pouch 12 and sleeve 14 for receiving at least a portion of pouch 12.
  • Pouch 12 is illustrated having enclosed space 16 (shown in FIG. 4B) defined at least partially by opposed first and second pouch panels 18 and 20, respectively, sealed one to another along at least one or more side edges thereof, e.g., side edges 22 and 24, top edge 26, and a bottom edge (not shown).
  • enclosed space 16 of pouch 12 is defined at least partially by three or more pouch panels, e.g., two side pouch panels and a bottom pouch panel.
  • a non-limiting exemplary embodiment of one such pouch is the retort pouch as is well known in the art.
  • pouch 12 includes a longitudinally and circumferentially extending contiguous peripheral wall with or without any seams or seals along its longitudinal extent.
  • enclosed space 16 is defined or formed at least partially by sealing each longitudinally opposed ends of the peripheral wall.
  • pouch 12 includes one or more tear notches 28 and one or more tear lines 30, illustrated as a broken line, extending from at least one tear notch 28. While pouch 12 of FIG. 1A is illustrated having one tear notch 28 on side edge 22 of pouch 12, and another tear notch 28 on side edge 24 of pouch 12, this does not always have to be the case. For instance, in a non- limiting exemplary embodiment, pouch 12 includes only one tear notch 28 on only one side edge 22 or 24. In other embodiments of pouch 12, one or more tear notches 28 are elsewhere on pouch 12 and not necessarily on one or more side edges 22 and 24. In some embodiments, pouch 12 includes one or more tear notches 28 on respective external surfaces 32 and 34 of either one or both first and second pouch panels 18 and 20.
  • tear notches 28 are not directly across from one another on side edges 22 and 24 as shown in FIG. 1A, but rather are angularly disposed from one another.
  • some embodiments of pouch 12 may include a plurality of notches 28 in different locations.
  • pouch 12 is illustrated having one tear line 30 on external surface 32 of first pouch panel 16 and extending between tear notches 28 on side edges 22 and 24.
  • pouch 12 includes two or more tear lines 30, e.g., one on each external surface 32 and 34, respectively, of first and second pouch panels 18 and 20.
  • Pouch 12 is illustrated having one tear line 30 extending essentially as a straight line from tear notches 28 in a direction generally orthogonal to side edges 22 and 24. Again, this is not always necessary.
  • pouch 12 includes one or more tear lines 30 extending in different directions or angles from any one or more tear notches 28 anywhere on pouch 12.
  • pouch 12 includes one or more tear lines 30 extending at one or more angles relative to side edges 22 and 24.
  • one or more tear lines 30 are curved or shaped like a wave, e.g., a sine wave, a triangular wave, a square wave, a rectangular wave, etc.
  • One or more tear notches 28 and one or more tear lines 30 are a means for opening pouch 12, and gaining access to the contents stored within enclosed space 16 of pouch 12. Pouch 12 is opened by gripping opposing sides of one tear notch 28 and pulling the gripped sides in opposing directions. Such pulling action causes a tear in first and/or second pouch panels 18 and 20 along one or more tear lines 30 on their respective external surfaces 32 and 34.
  • tear notches 28 and/or tear lines 30 assist and/or guide cutting open pouch 12 using a cutting device, e.g., a scissor, a knife, a blade, etc. for cutting the first and/or second pouch panels 18 and 20.
  • pouch 12 does not include tear notches 28 and/or tear lines 30 and is cut open using the afore-described cutting devices.
  • top section 36 the section of pouch 12 above one or more tear lines 30
  • bottom section 38 the section of pouch 12 below one or more tear lines 30. From the foregoing, it should be apparent that top section 36 can be partially or completely separated and/or detached from bottom section 38.
  • FIG. 4B provides an illustration of package 10 with top section 36 of pouch 12 removed.
  • pouch 12 is configured for housing an edible product within enclosed space 16.
  • first and second pouch panels 18 and 20 may be formed of one or more layers such as in a laminated panel, as are well known in the art, suitable for housing edible products. Accordingly, at least internal surfaces 40 and 42 of respective first and second pouch panels 18 and 20 that are in contact with the edible product within enclosed space 16 of pouch 12, are of a material known to be suitable for use with edible products.
  • Pouch 12 in some embodiments, contains an edible product that is to be warmed or heated before being consumed. Accordingly, un-opened pouch 12 is first placed and then heated in a heating device, e.g., a microwave or a conventional oven. It should be apparent that, upon heating, fluids, e.g., moisture, contained within the edible product will be released as vapor. Also, any air in enclosed space 16 will be heated. The vapor and/or heated air within pouch 12 will expand and pressurize the interior of pouch 12, and cause pouch 12 to bulge as illustrated in FIG. 4A. Accordingly, in some embodiments, pouch 12 includes at least one vent 44 providing fluid communication between enclosed space 16 and the external environment surrounding pouch 12. Thus, vapor and/or heated air within pouch 12 is released through vent 44.
  • a heating device e.g., a microwave or a conventional oven.
  • vent 44 is an automatic pressure relief valve that opens and permits vapor and/or heated air to vent out (or escape) from pouch 12 when the pressure within equals or exceeds a predefined value.
  • vent 44 is a means, e.g., a tab, a nick, a notch, etc., that is manipulated by the consumer, or user, to establish fluid communication between enclosed space 16 and the external environment surrounding pouch 12 prior to placing package 10 with un-opened pouch 12 inside a heating device.
  • pouch 12 includes a susceptor or a shielding or some combination thereof for regulating or facilitating the heating and/or conditioning (e.g., browning) of the edible product there within.
  • a susceptor or a shielding or some combination thereof for regulating or facilitating the heating and/or conditioning (e.g., browning) of the edible product there within.
  • the use of susceptors and/or shielding for such purposes is well known in the art.
  • susceptors and/or shielding are used as one or more layers forming at least a portion of a laminate used in the manufacture of pouch 12, i.e., the laminate used for either one or both first and second pouch panels 18 and 20.
  • pouch 12 contains an edible product that is served or consumed without being warmed or heated.
  • the consumer, or user opens pouch 12 as previously described and gains access to the edible product thereof.
  • the contents are consumed directly from the now open pouch 12 either as is or after mixing with one or more other edible products.
  • pouch 12 contains a cereal which can be consumed directly from pouch 12, or mixed with milk poured onto the cereal in bottom section 38 of the now open pouch 12.
  • the contents of pouch 12 can be emptied into an eating vessel such as a bowl or a plate.
  • a non-limiting exemplary embodiment of sleeve 14 includes peripheral wall 48, and opposed first and second sleeve panels 50 and 52, and opposed first and second ends 54 and 56.
  • Space 46 is at least partially defined by peripheral wall 48, first and second sleeve panels 50 and 52, and first and second ends 54 and 56.
  • first and second sleeve panels 50 and 52 are illustrated as fixedly attached one to another along their respective opposed side edges.
  • peripheral wall 48 of sleeve 14 is a longitudinally and circumferentially extending contiguous wall with or without any seams or seals along its longitudinal extent.
  • First end 54 is open and sleeve 14 is configured for receiving at least a portion of bottom section 38 of pouch 12 within space 46 such that the portion of pouch 12 received within space 46 is surrounded by (or housed within) sleeve 14.
  • at least a portion of one or both external surfaces 32 and 34 of pouch 12 is adhered to at least a portion of the corresponding one or both adjacent internal surfaces 58 and 60 of peripheral wall 48.
  • FIGS. 2 A and 2B are perspective views of an embodiment of sleeve gusset 62 configured for at least partially closing or blocking second end 56 of sleeve 14. At least a portion of sleeve gusset 62 is either contiguous (or conjoined) with or fixedly attached to first and second sleeve panels 50 and 52. For instance, in a non-limiting exemplary embodiment, sleeve gusset 62 is contiguous (or conjoined) with first and second sleeve panels 50 and 52 at least along their respective edges 64 and 66 (or edges 64 and 66 of sleeve 14).
  • a contiguous and unitary, one-piece component will include sections having first and second sleeve panels 50 and 52, and sleeve gusset 62.
  • at least a portion of sleeve gusset 62 is fixedly attached to one or both first and second sleeve panels 50 and 52 along respective edges 64 and 66.
  • Sleeve gusset 62 includes foldable panel 68 including a plurality of fold lines 70. As such, foldable panel 68 is configured for being folded and un-folded along one or more fold lines 70.
  • sleeve gusset 62 to be placed in any one or more states or positions between a folded or collapsed state, for example as illustrated in FIG. 2A, a partially un- folded intermediate state, for example as illustrated in FIG. 2B, and/or an expanded or fully un-folded state such as that illustrated in FIGS. 3A, 3B and 3C.
  • the folded state of sleeve gusset 62 is referred to as state A
  • the fully un-folded state of sleeve gusset 62 is referred to as state B.
  • FIGS. 2A and 2B illustrate sleeve 14 and sleeve gusset 62 at different stages of the transition between states A and B. For the purposes of discussing the operation of sleeve gusset 62, FIG.
  • FIG. 2A could be considered as state A or a state shortly after the transition begins, and FIG. 2B could be considered as a partially un-folded intermediate state as sleeve gusset 62 transitions from state A to state B.
  • at least an external surface of sleeve 14 includes one or more scored (or fold) lines 72 for enabling and guiding the bending of peripheral wall 48 when sleeve gusset 62 transitions between states A and B.
  • First and second sleeve panels 50 and 52 and sleeve gusset 62 are configured such that at least a portion of edges 64 and 66 are spaced apart and share a common plane.
  • edges 64 and 66 serve as a base for standing sleeve 14 upright.
  • foldable panel 68 extends between and lies in the same plane as edges 64 and 66, and functions as a base or at least a portion of a base for standing sleeve 14 upright.
  • the extended foldable panel 68 provides at least some stability for standing sleeve 14 upright and aids in preventing it from tipping over.
  • peripheral wall 48 and foldable panel 68 are configured such that when sleeve gusset 62 is in state A, pressure applied in the general directions indicated by arrows 74 on internal surfaces 58 and 60 of respective first and second sleeve panels 50 and 52, will start unfolding sleeve gusset 62. With continued application of the pressure, sleeve gusset 62 will un-fold and transition from state A to state B, i.e., sleeve gusset 62 will expand and un-fold. In some embodiments, sleeve gusset 62 will un-fold fully into a locked state.
  • FIGS. 3A, 3B and 3C are a perspective view, a bottom view and a top view illustrating sleeve gusset 62 in state B.
  • bottom section 38 of pouch 12 is received or housed within space 46 of sleeve 14.
  • some embodiments of pouch 12 contain an edible product that is warmed or heated before being consumed, and that the warming or heating of the contents will cause pouch 12 to bulge.
  • the bulging of pouch 12 and by extension the bulging of bottom section 38 within sleeve 14, will result in pressure being applied on internal surfaces 58 and 60 of respective first and second sleeve panels 50 and 52 in the general directions indicated by arrows 74.
  • sleeve gusset 62 will start unfolding and transition from the collapsed state (state A) to the fully-unfolded or expanded state (state B) in response to such applied pressure.
  • FIG. 4A is a perspective view of package 10 of FIG. 1A illustrated with a bulging and un- opened pouch 12 and sleeve gusset 62 in state B. Pouch 12 can then be opened, as previously described, for gaining access to the contents thereof as seen in FIG. 4B wherein package 10 of FIG. 4A is illustrated with pouch 12 open after removal of top section 36.
  • FIG. 4A is a perspective view of package 10 of FIG. 1A illustrated with a bulging and un- opened pouch 12 and sleeve gusset 62 in state B.
  • Pouch 12 can then be opened, as previously described, for gaining access to the contents thereof as seen in FIG. 4B wherein package 10 of FIG. 4A is illustrated with pouch 12 open after removal of top section 36.
  • FIG. 4A is a perspective view of
  • sleeve 14 of package 10 is functionally similar to a bowl and bottom section 38 of the now open pouch 12 is functionally similar to a liner (or lining) for the bowl, i.e., sleeve 14.
  • the contents may be accessible once the sleeve gusset 62 and/or pouch 12 are at least partially un-folded.
  • sleeve gusset 62 may be configured for being locked and/or held in any one or more positions or states between the afore-described folded and un-folded states A and B, respectively.
  • sleeve gusset 62 may be configured to be held or locked in a partially un-folded state X between states A and B.
  • sleeve gusset 62 may be configured for being held or locked in two partially un-folded states XI and X2 between states A and B.
  • sleeve gusset 62 can be configured to be held or locked in a plurality of partially un-folded states between states A and B.
  • sleeve gusset 62 may be configured to lock when it reaches a fully un-folded state, such as state B. As illustrated in FIG. 2B, or perhaps as shown in FIG.
  • sleeve gusset 62 when sleeve gusset 62 is in an intermediate state, i.e., in a partially un-folded state between states A and B, sleeve 14 of package 10 is functionally similar to a bowl, and bottom section 38 of the now at least partially open pouch 12 is functionally similar to a liner (or lining) for the bowl, i.e., sleeve 14. Accordingly, all configurations for providing the described functionality of locking or holding sleeve gusset 62 in a partially un-folded or intermediate state and/or in a fully un-folded state are considered as being within the metes and bounds of the instant disclosure.
  • pouch 12 contains an edible product that is served or consumed without being warmed or heated. Also as previously described, at least a portion of bottom section 38 of pouch 12 is received or housed within space 46 of sleeve 14, and at least a portion of one or both external surfaces 32 and 34 of pouch 12 is adhered to at least a portion of the corresponding one or both adjacent internal surfaces 58 and 60 of peripheral wall 48. Accordingly, when sleeve gusset 62 is in state A, pressure applied in the general directions indicated by arrows 76 on opposing first and second side edges 78 and 80, respectively, of sleeve 14, will push peripheral wall 48 in the general directions indicated by arrows 74.
  • sleeve gusset 62 will un-fold and transition from state A to state B, i.e., sleeve gusset 62 will expand and un-fold.
  • pouch 12 may be opened for accessing the contents thereof, as previously described, while sleeve gusset 62 is in state A, or in state B, or in an intermediate state during the transition between states A and B.
  • sleeve gusset 62 can be configured such that upon removal of the pressure applied in the general direction indicated by arrows 76, sleeve gusset 62 will maintain or can be retained in any partially un-folded state between the fore described states A and B.
  • one or more tear notches 28 and/or one or more tear lines 30 on pouch 12 will be proximate an edge of open first end 54 of sleeve 14.
  • pouch 12 is configured such that upon opening, at least a portion of an edge of bottom section 38 extends away and outwardly from the edge of first end 54 of sleeve 14.
  • Package 10 in accordance with a non-limiting exemplary embodiment, includes one or more thumb holes 82 in peripheral wall 48 of sleeve 14.
  • one or more thumb holes 82 allow for holding package 10 between one or more fingers or between a thumb and one or more fingers.
  • one or more thumb holes 82 is used for holding package 10 and applying pressure in the general directions indicated by arrows 76 for un-folding sleeve gusset 62 in state B. While thumb holes 82 are illustrated as being positioned along or on first and second side edges 78 and 80 of sleeve 14, this does not always have to be the case.
  • one or more thumb holes 82 are positioned anywhere on peripheral wall 48. However, in some embodiments, it may be beneficial or preferential to position one or more thumb holes 82 on first and second side edges 78 and 80 of sleeve 14 for providing at least some isolation or separation from a hot or cold peripheral wall 48. For instance, in a non- limiting exemplary embodiment, when pouch 12 bulges upon being heated or warmed in a heating device, external surfaces 32 and 34 of respective first and second pouch panels 18 and 20 will be in close proximity of, or even in contact with, internal surfaces 58 and 60 of sleeve 14.
  • peripheral wall 48 may be approximately equal to that of the contents of pouch 12, and one or more thumb holes 82 in first and second side edges 78 and 80 of sleeve 14 could provide a location whereat internal surfaces 58 and 60 of peripheral wall 48 are not in contact with external surfaces 32 and 34 of pouch 12.
  • sleeve 14 include a material that is a thermal insulator.
  • sleeve 14 is made of one or more material selected from the group consisting of paperboard, corrugated paper, corrugated fiberboard, and polymer (polymeric sheet).
  • sleeve 14 is a laminate and, as such, may or may not include a thermal insulator.
  • Sleeve 14 in a non-limiting exemplary embodiment, includes a susceptor or a shielding or some combination thereof for regulating or facilitating the heating and/or conditioning (e.g., browning) of the edible product within pouch 12.
  • the use of susceptors and/or shielding for such purposes is well known in the art.
  • the susceptor and/or shielding may be placed on internal surfaces 58 and/or 60 of peripheral wall 48 and/or within peripheral wall 48. In some embodiments, a susceptor or a shielding or some combination thereof is placed between at least that portion of pouch 12 received within space 46 and peripheral wall 48.
  • a method for heating an edible product enclosed within a pouch includes providing one or more pouches 12 having enclosed space 16 containing the edible product.
  • Pouch 12 includes one or more tear notches 28 and one or more tear lines 30 extending from one or more notches 28 along at least a portion of one or more external surfaces 32, 34 of pouch 12.
  • Pouch 12 also includes one or more sealed vents 44 defining at least a portion of a flow path between enclosed space 16 and an external environment surrounding pouch 12 .
  • the method also includes providing sleeve 14 having opposed first and a second ends 54, 56 and wall 48 having internal and external surfaces 58, 60 and extending between first and second ends 54, 56.
  • First end 54 of sleeve 14 is open and second end 56 of sleeve 14 includes sleeve gusset 62.
  • Sleeve 14 also includes one or more thumb holes82 in wall 48.
  • the method includes inserting at least a portion of pouch 12 through first end 54 of sleeve 14 and placing it therewithin. Heating the edible product within pouch 12 will cause bulging of pouch 12 due to an increase in a pressure within enclosed space 16. This, in turn, will cause sleeve 14 to bulge and spread or un-fold sleeve gusset 62 at second end 56. Pouch 12 may be torn open along one or more tear lines 30, thereby providing access to the edible product contained therein.
  • pouch 12 initially placed within sleeve 14 is removed and replaced by another pouch 12 containing the same or different edible product.
  • sleeve 14 and two or more pouches 12 are provided as a kit wherein sleeve 14 is reusable.
  • the kit is provided with at least the initial pouch 12 placed within sleeve 14 and one or more additional pouches 12 for placement within reusable sleeve 14.
  • each pouch 12 includes at least one sleeve 14.
  • the method includes providing each pouch 12 preassembled with one sleeve 14.
  • sleeve gusset 62 may be collapsed from a partially un-folded state or a fully un- folded state to a different partially un-folded state or a fully folded state. Such collapsing or partial folding of sleeve gusset 62 can be performed after initial pouch 12 is emptied and removed from sleeve gusset 62 and before placing replacement pouch 12 within sleeve gusset 62 prior to heating the edible product within replacement pouch 12.
  • sleeve gusset 62 may be collapsed or partially folded prior to removing initial pouch 12. In alternate embodiments, it may not be necessary to collapse or partially fold sleeve gusset 62 prior to replacing initial pouch 12 with replacement pouch 12.
  • the method includes providing sleeve 14 in a bulged state either with or without one or more pouches 12.
  • the bulging sleeve 14 is provided with one or more pouches 12 pre -placed therewithin.
  • all but one pouch 12 is removed from the bulging sleeve 14 prior to heating the edible product within the one pouch 12 that has not been removed therefrom.
  • sleeve 14 when provided in an initially bulged state may or may not be collapsible into an un-bulged state.
  • the initially bulging sleeve 14 is collapsed into an un-bulging state after removing all but one pouch 12 therefrom and prior to heating the edible product with pouch 12 still remaining within sleeve 14.
  • one or more pouches 12 are provided separately from one or more sleeve 14.
  • the one or more pouches 12 are pre-packaged together with one or more sleeves 14.
  • the one or more sleeves 14 may be provided either in the bulged state or in the collapsed (or un- bulged) state.
  • At least one of sealed vents 44 may be forced open due to an expansion of the contents of enclosed space 16.
  • at least one sealed vent 44 is unsealed when the pressure within enclosed space 16 is greater than a predefined value.
  • the increase in pressure within pouch 12 may be due to an expansion of air and/or other fluid within enclosed space 16.
  • the edible product includes a moisture content of at least 15 percent. Accordingly, steam may be generated within enclosed space 16 when the edible product is heated.
  • a moisture sensitive compound e.g., a moisture sensitive adhesive
  • the water vapor in the steam generated from heating the edible product will unseal at least one sealed vent 44 in pouch 12.
  • the pressure of the steam unseals at least one sealed vent 44.
  • a combination of the moisture content and the pressure of the steam unseals at least one or more sealed vents 44.
  • a fluidic flow path extending between enclosed space 16 and the external environment surrounding pouch 12 is necessary for relieving the increase in pressure within enclosed space 16 when the edible product is heated. If one or more such flow paths are not provided, then the pressure within enclosed space 16 may increase to a level at which pouch 12 is burst open. Accordingly, in some embodiments, at least one of the one or more sealed vents 44 is opened (or unsealed) before heating the contents of pouch 12. In a non- limiting exemplary embodiment, the unsealing is accomplished by a tear or a cut in the one or more sealed vents 44. In alternate embodiments, pouch 12 may not include any sealed vents 44.
  • pouch 12 may be torn or cut open prior to heating the edible product therewithin.
  • the edible product within pouch 12 may be heated only to a level that causes pouch 12 to bulge without bursting open. As such, it may not be necessary to provide a fluidic flow path extending between enclosed space 16 and the external environment surrounding pouch 12.
  • pouch 12 is a retort pouch having a pouch gusset.
  • the pouch gusset of the retort pouch is placed within sleeve 14 and positioned proximate second end 56 of sleeve 14, i.e., proximate sleeve gusset 62.
  • pouch 12 is a heat-in packaging including a doneness indicator as disclosed in U.S. Patent Application No. 12/773,210 filed May 4, 2010, titled “Doneness Indicator for Heat-In Packaging and Method of Making Same", which is assigned to the assignee of the instant application and incorporated herein in its entirety by reference.
  • pouch 12 is defined at least in part by the heat-in packaging wherein the "doneness" indicator, at least in part, corresponds to a state or level of "doneness" of the contents of pouch 12. In certain embodiments, the state of "doneness" corresponds to an indication of whether or not the food is ready for consumption.
  • the state of "doneness” may be indicative of whether the content of pouch 12, for example an edible product, is fully cooked or partially cooked or not cooked.
  • the "doneness" indicator may indicate that the contents of pouch 12 have reached a predetermined condition.
  • the predetermined condition may be an intermediate state at which the user and/or consumer is required to take or proceed to the next step in the warming, heating or cooking stage.
  • the predetermined condition indicated by the "doneness” indicator may be that at which the process (e.g., warming, heating or cooking) should be terminated.
  • the predetermined condition indicated by the "doneness” indicator may be that at which an intensity of heating should be changed.
  • the intensity of heating that may be changed may include one or more of a temperature, a power level in a microwave oven, a firing rate of a burner in a conventional oven, electrical power supplied to an electrical resistance heater in a conventional oven, etc.
  • the "doneness” indicator may indicate that the contents and/or enclosed space 16 within pouch 12 has reached or attained a predetermined temperature, pressure, or other condition. All additional and/or alternative embodiments of a "doneness” indicator, as may become apparent, are considered as being within the metes and bounds of the instant disclosure
  • Non- limiting exemplary embodiments of the edible product contained within enclosed space 16 include one or more of or a combination of any of the following: a pasteurized product, a refrigerated product, a thermally processed product, a shelf-stable product, a product enclosing a filling therewithin, a hot filled product, a frozen product, etc.
  • edible product contained within enclosed space 16 include one or more of or a combination of any of the following: edible products containing grains, rice, pasta, protein, beans, vegetable, sauce, seasoning, spice, legumes, tofu, meat, meat alternatives, mashed potatoes, potato pieces, soup, chili, stew, fruit, puree, sugar, sweetener, granola, nut, yogurt, juice, dairy ingredient, coffee, tea,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Packages (AREA)
  • Package Specialized In Special Use (AREA)

Abstract

La présente invention concerne un procédé de chauffe d'un produit comestible contenu à l'intérieur d'un sachet. Selon l'invention, le procédé fait appel au placement du sachet à l'intérieur d'une pochette possédant une paroi s'étendant entre une première extrémité ouverte et une seconde extrémité comportant un soufflet de pochette. Le produit comestible qui se trouve à l'intérieur du sachet est ensuite chauffé, ce qui amène le sachet à gonfler en raison d'une augmentation de pression à l'intérieur du sachet. Le sachet qui gonfle pousse la paroi de la pochette, ce qui provoque le gonflement de la pochette et, par voie de conséquence, le dépliage du soufflet de pochette. La pression qui augmente à l'intérieur du sachet peut également desceller au moins un orifice de mise à l'air libre scellé réalisé sur le sachet. Lorsque l'on a chauffé le sachet, on le déchire le long d'une ou de plusieurs lignes de perforations de séparation, ce qui laisse l'accès au contenu comestible qui se trouve dans le sachet. Selon certains modes de réalisation, la pochette peut être réutilisée et est fournie sous forme de kit comportant au moins deux sachets.
PCT/US2013/042564 2013-03-01 2013-05-24 Pochette à soufflet dilatable de sachet Ceased WO2014133573A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2899301A CA2899301A1 (fr) 2013-03-01 2013-05-24 Pochette a soufflet dilatable de sachet
US14/241,617 US20160023835A1 (en) 2013-03-01 2013-05-24 Expandable gusseted sleeve for a pouch

Applications Claiming Priority (4)

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US201361771325P 2013-03-01 2013-03-01
US61/771,325 2013-03-01
US29/447,235 2013-03-01
US29/447,235 USD743810S1 (en) 2013-03-01 2013-03-01 Expandable gusseted sleeve for a pouch

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WO2014133573A1 true WO2014133573A1 (fr) 2014-09-04

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CA2899301A1 (fr) 2014-09-04

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