CA2617342A1 - Variable serving size insulated packaging - Google Patents

Variable serving size insulated packaging Download PDF

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Publication number
CA2617342A1
CA2617342A1 CA002617342A CA2617342A CA2617342A1 CA 2617342 A1 CA2617342 A1 CA 2617342A1 CA 002617342 A CA002617342 A CA 002617342A CA 2617342 A CA2617342 A CA 2617342A CA 2617342 A1 CA2617342 A1 CA 2617342A1
Authority
CA
Canada
Prior art keywords
package
segments
joined
panel
segment
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.)
Granted
Application number
CA002617342A
Other languages
French (fr)
Other versions
CA2617342C (en
Inventor
Lorin R. Cole
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.)
Graphic Packaging International LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2617342A1 publication Critical patent/CA2617342A1/en
Application granted granted Critical
Publication of CA2617342C publication Critical patent/CA2617342C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B65D75/527—Tear-lines for separating a package into individual packages
    • 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
    • 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
    • B65D81/38—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 with thermal insulation
    • B65D81/3888—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 with thermal insulation wrappers or flexible containers, e.g. pouches, bags
    • B65D81/3893—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 with thermal insulation wrappers or flexible containers, e.g. pouches, bags formed with double walls, i.e. hollow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2581/00—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
    • B65D2581/34—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
    • B65D2581/3437—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 specially adapted to be heated by microwaves
    • B65D2581/3471—Microwave reactive substances present in the packaging material
    • B65D2581/3472—Aluminium or compounds thereof
    • 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
    • B65D2581/00—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
    • B65D2581/34—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
    • B65D2581/3437—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 specially adapted to be heated by microwaves
    • B65D2581/3471—Microwave reactive substances present in the packaging material
    • B65D2581/3474—Titanium or compounds thereof
    • 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
    • B65D2581/00—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
    • B65D2581/34—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
    • B65D2581/3437—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 specially adapted to be heated by microwaves
    • B65D2581/3471—Microwave reactive substances present in the packaging material
    • B65D2581/3477—Iron or compounds thereof
    • 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
    • B65D2581/00—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
    • B65D2581/34—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
    • B65D2581/3437—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 specially adapted to be heated by microwaves
    • B65D2581/3471—Microwave reactive substances present in the packaging material
    • B65D2581/3479—Other metallic compounds, e.g. silver, gold, copper, nickel
    • 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
    • B65D2581/00—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
    • B65D2581/34—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
    • B65D2581/3437—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 specially adapted to be heated by microwaves
    • B65D2581/3471—Microwave reactive substances present in the packaging material
    • B65D2581/3483—Carbon, carbon black, or graphite
    • 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
    • B65D2581/00—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
    • B65D2581/34—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
    • B65D2581/3437—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 specially adapted to be heated by microwaves
    • B65D2581/3486—Dielectric characteristics of microwave reactive packaging
    • B65D2581/3494—Microwave susceptor

Abstract

A package for heating a microwave food item is provided.

Claims (29)

1. A package for heating a microwave food item comprising:
a plurality of separably joined package segments, each package segment including a pair of adjoined panels that define a cavity, wherein at least a portion of each package segment comprises a microwave energy interactive insulating material including a plurality of expandable cells that inflate in response to microwave energy.
2. The package of claim 1, wherein each package segment is separably joined to at least one adjacent package segment by a perforated line.
3. The package of claim 1, wherein each package segment is separably joined to at least one adjacent package segment by a tear strip.
4. The package of claim 1, wherein at least one of the separably joined package segments comprises an opening feature.
5. The package of claim 4, wherein the opening feature comprises a removably adhered flap extending from a first panel of the pair of adjoined panels over an opening to a second panel of the pair of adjoined panels.
6. The package of claim 4, wherein the opening feature comprises a tear strip in at least one of the pair of adjoined panels.
7. The package of claim 1, wherein the package can be opened by grasping the adjoined panels and pulling them apart.
8. The package of claim 1, wherein the pair of adjoined panels includes a first panel and a second panel, at least one package segment further comprises a third panel having a first edge and a second edge, the third panel is joined to the first panel along the first edge, and the third panel is joined to the second panel along the second edge.
9. The package of claim 8, wherein the third panel serves as a base for supporting the package in an upright configuration.
10. The package of claim 8, wherein the first edge and the second edge of the third panel are arcuate in shape and joined to one another proximate to respective end points.
11. The package of claim 1, wherein the microwave energy interactive insulating material comprises:
a layer of microwave energy interactive material supported on a first polymer film, a moisture-containing layer superposed with the layer of microwave energy interactive material, and a second polymer film joined to the moisture-containing layer in a predetermined pattern, thereby forming the plurality of expandable cells.
12. The package of claim 11, wherein the microwave energy interactive material comprises aluminum, indium tin oxide, or any combination thereof.
13. The package of claim 11, wherein at least one of the first polymer film and the second polymer film comprises a barrier material.
14. The package of claim 11, used by the method comprising:
selecting a desired number of package segments to be heated, separating the desired number of package segments from the package, and heating the desired serving in a microwave oven.
15. The package of claim 11, used by the method comprising:
selecting a number of package segments to be included in a desired serving, and separating the number of package segments in the desired serving.
16. The package of claim 11, used by the method comprising:
selecting a number of package segments to be included in a desired serving, separating the number of package segments in the desired serving, and heating the package segments in a microwave oven after separating the number of package segments into the desired serving.
17. The package of claim 11, used by the method comprising:
selecting a number of package segments to be included in a desired serving, heating the package segments in a microwave oven, and separating the number of package segments in the desired serving after heating the package segments in a microwave oven.
18. The package of claim I in combination with a carton, wherein the carton comprises a plurality of walls and an opening through which one or more separably joined package segments can be removed.
19. The package of claim 1 in combination with a carton, wherein the carton comprises a plurality of walls and an opening through which one or more package segments can be removed, and the package segments are arranged in a stacked configuration.
20. The package of claim 1 in combination with a carton, wherein the carton comprises a plurality of walls and an opening through which one or more package segments can be removed, and the package segments are arranged in a rolled configuration.
21. A multi-serving microwavable package for browning and/or crisping a food item, comprising:
a plurality of separably joined, single-serving package segments, each being formed at least partially from a microwave energy interactive insulating material including a metallized film at least partially joined to a moisture-containing layer, and a polymer film joined to the moisture-containing layer in a patterned configuration that defines a plurality of expandable closed cells between the moisture-containing layer and the polymer film.
22. The microwavable package of claim 21, wherein each of the plurality of single-serving package segments is joined separably to an adjacent package segment along a line of perforation.
23. The microwavable package of claim 21, wherein each of the plurality of single-serving package segments is joined separably to an adjacent package segment along a tear strip.
24. The microwavable package of claim 21, wherein at least some of the plurality of expandable closed cells inflate upon exposure to microwave energy.
25. A plurality of microwave energy interactive food package segments joined along respective lines of perforation, wherein each package segment is formed at least partially from a microwave energy interactive insulating material comprising:

a microwave energy interactive material supported on a first polymer film, a moisture-containing layer in a facing relation to the microwave energy interactive material, and a second polymer film layer joined to the moisture-containing layer in a predetermined pattern, thereby forming a plurality of closed cells between the moisture-containing layer and the second polymer film, and at least some of the closed cells inflate upon exposure to microwave energy.

a polymeric film adhesively joined to the moisture-containing support layer in a patterned configuration that defines a plurality of expandable closed cells.

22. The microwavable package of claim 21, wherein each of the plurality of single-serving package segments is joined separably to an adjacent package segment along a line of perforation.

23. The microwavable package of claim 21, wherein each of the plurality of single-serving package segments is joined separably to an adjacent package segment along a tear strip.

24. The microwavable package of claim 21, wherein the plurality of expandable closed cells inflate upon exposure to microwave energy.

25. A packaging system comprising a carton for housing a plurality of separably joined package segments, the carton including an opening through which one or more of the plurality of separably joined package segments can be removed, wherein:
each of the plurality of separably joined package segments includes a cavity defined by at least a first panel and a second panel joined along at least a portion of a periphery of each thereof, and at least a portion of each segment is formed from an microwave energy interactive insulating material.
26. The packaging system of claim 25, wherein the separably joined package segments are arranged in a folded stack configuration.
27. A method of providing a variable serving size food item, comprising:
providing a plurality of separably joined package segments, each package segment comprising a first panel and a second panel joined along at least a portion of a periphery of each thereof the first panel and second panel defining a cavity therebetween, wherein at least a portion of each package segment comprises a microwave energy interactive insulating material;
selecting the number of package segments to be provided in each serving; and separating the package segments into the selected serving size.
28. The method of claim 27, further comprising heating at least one package segment in a microwave oven after separating the package segment from the plurality of separably joined package segments.
29. The method of claim 27, further comprising heating the separably joined package segments in a microwave oven before separating the package segments into the selected serving size.
CA2617342A 2005-08-16 2006-07-20 Variable serving size insulated packaging Expired - Fee Related CA2617342C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/204,457 2005-08-16
US11/204,457 US7361872B2 (en) 2005-08-16 2005-08-16 Variable serving size insulated packaging
PCT/US2006/028218 WO2007021439A2 (en) 2005-08-16 2006-07-20 Variable serving size insulated packaging

Publications (2)

Publication Number Publication Date
CA2617342A1 true CA2617342A1 (en) 2007-02-22
CA2617342C CA2617342C (en) 2011-12-20

Family

ID=37333173

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2617342A Expired - Fee Related CA2617342C (en) 2005-08-16 2006-07-20 Variable serving size insulated packaging

Country Status (4)

Country Link
US (3) US7361872B2 (en)
EP (1) EP1922263A2 (en)
CA (1) CA2617342C (en)
WO (1) WO2007021439A2 (en)

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US20070039951A1 (en) 2007-02-22
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US8178822B2 (en) 2012-05-15
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