Microwave cooking packages suitable for use as microwave popcorn packages include at least one panel (e.g., first and second panels) formed of a vertically rigid material. A flexible portion is attached to the panels. The flexible portion may be formed of a polyester film material such as a biaxiall
Microwave cooking packages suitable for use as microwave popcorn packages include at least one panel (e.g., first and second panels) formed of a vertically rigid material. A flexible portion is attached to the panels. The flexible portion may be formed of a polyester film material such as a biaxially-oriented polyethylene terephthalate (PET) film, which may be at least partially transparent. The flexible portion (and panels) defines a bag construction configured to contain a popcorn charge and to be expandable between a collapsed configuration and an expanded configuration when the popcorn charge is subjected to a popping operation. The microwave cooking package may include a vent assembly configured to at least partially open when the bag configuration is in an expanded configuration to vent the bag construction. The vent assembly includes a first portion a second portion of the bag construction that is configured to be folded against the first portion.
대표청구항▼
1. A microwave cooking package comprising: a first panel formed of a vertically rigid material, the first panel having a base end portion;a second panel formed of a vertically rigid material, the second panel having a base end portion, the base end portions of the first panel and the second panel fo
1. A microwave cooking package comprising: a first panel formed of a vertically rigid material, the first panel having a base end portion;a second panel formed of a vertically rigid material, the second panel having a base end portion, the base end portions of the first panel and the second panel forming an opening at a base of the microwave popcorn cooking package;a first end portion attached to the first panel and the second panel, the first end portion being formed of a separate construct from the first panel and the second panel; anda second end portion attached to the first panel and the second panel opposite the first end portion, the second end portion being formed of a separate construct from the first panel and the second panel, the second end portion enclosing the opening formed by the base end portions of the first panel and the second panel, the first and the second panels and the first and second end portions defining a bag construction configured to contain a popcorn charge and to be expandable between a collapsed configuration and an expanded configuration when the popcorn charge is subjected to a popping operation. 2. The microwave cooking package as recited in claim 1, wherein at least one of the first and the second end portion is formed of a polyester material. 3. The microwave cooking package as recited in claim 2, wherein the polyester film material comprises biaxially-oriented polyethylene terephthalate (PET). 4. The microwave cooking package as recited in claim 1, wherein at least one of the first and the second end portion is at least partially transparent to visible light. 5. The microwave cooking package as recited in claim 1, further comprising a microwave interactive construction attached to the second panel so that the microwave interactive construction is positioned in thermoconductive relation to the popcorn charge. 6. The microwave cooking package as recited in claim 5, wherein the second panel includes an outer ply and an inner ply, the microwave interactive construction positioned between the outer ply and the inner ply. 7. A microwave popcorn package comprising: a first panel formed of a vertically rigid material;a second panel formed of a vertically rigid material;a first end portion secured to the first panel and the second panel, the first end portion being formed of a separate construct from the first panel and the second panel; anda second end portion secured to the first panel and the second panel, the second end portion being formed of a separate construct from the first panel and the second panel, the first and second panels and first and second end portions defining a bag construction configured to be expandable between a collapsed configuration and an expanded configuration,wherein the bag construction is configured to form an at least substantially bowl-like structure containing popped popcorn in the expanded configuration, the second end portion forming a bottom of the at least substantially bowl-like structure. 8. The microwave popcorn package as recited in claim 7, wherein the first end portion is configured to be removed from the bag construction following the popping operation to facilitate consumption of the popped popcorn from the at least substantially bowl-like structure. 9. The microwave popcorn package as recited in claim 8, wherein at least one of the first end portion or the second end portion is formed of a polyester film material. 10. The microwave popcorn package as recited in claim 9, wherein the polyester film material comprises biaxially-oriented polyethylene terephthalate (PET). 11. The microwave popcorn package as recited in claim 7, the first end portion includes a first gusset and the second end portion includes a second gusset. 12. The microwave popcorn package as recited in claim 7, further comprising a microwave interactive construction attached to the second panel so that the microwave interactive construction is positioned in thermoconductive relation to the popcorn charge. 13. The microwave popcorn package as recited in claim 7, wherein the second panel includes an outer ply and an inner ply, the microwave interactive construction positioned between the outer ply and the inner ply. 14. The microwave popcorn package as recited in claim 7, wherein the first panel comprises a paper material having a first weight and the second panel comprises a paper material with a second weight, the first paper weight being different than the second paper weight. 15. A microwave popcorn package comprising: a first panel formed of a vertically rigid material;a second panel formed of a vertically rigid material;a first gusset formed of polyester film material, the first gusset formed of a separate construct from the first panel and the second panel; anda second gusset formed of polyester film material, the second gusset formed of a separate construct from the first panel and the second panel, the first and the second gussets and the first and second panels defining a bag construction configured to contain a popcorn charge and to be expandable between a collapsed configuration and an expanded configuration when the popcorn charge is subjected to a popping operation. 16. The microwave popcorn package as recited in claim 15, further comprising a vent assembly, the vent assembly including: a first portion of the first gusset;a second portion of the first gusset, the second portion including a venting structure formed in the sheet of polyester film material; andan adhesive applied to at least one of the first portion or the second portion, the adhesive configured to adhere the first portion to the second portion so that the venting structure is at least partially sealed while the first and the second gussets are in the collapsed configuration and to release the first portion from the second portion as the first and the second gussets expand to the expanded configuration to allow the venting structure to at least partially open. 17. The microwave popcorn package as recited in claim 15, wherein the polyester film material comprises biaxially-oriented polyethylene terephthalate (PET). 18. The microwave popcorn package as recited in claim 15, wherein the flexible bag construction is configured to form an at least substantially bowl-like structure containing popped popcorn in the expanded configuration, the second gusset forming a bottom of the at least substantially bowl-like structure. 19. The microwave popcorn package as recited in claim 18, wherein the first gusset is configured to be removed from the bag construction following the popping operation to facilitate consumption of the popped popcorn from the at least substantially bowl-like structure. 20. The microwave popcorn package as recited in claim 15, further comprising a microwave interactive construction attached to the second panel so that the microwave interactive construction is positioned in thermoconductive relation to the popcorn charge. 21. The microwave popcorn package as recited in claim 15, wherein the second panel includes an outer ply and an inner ply, the microwave interactive construction positioned between the outer ply and the inner ply. 22. A microwave popcorn package comprising: a first panel and a second panel, the first and second panels formed of a vertically rigid material, the first panel having a base end portion, the second panel having a base end portion, the base end portions of the first panel and the second panel forming an opening at a base of the microwave popcorn package; anda flexible portion joined to the first and second panels, the flexible portion formed of a separate construct from the first panel and the second panel, the flexible portion enclosing the opening formed by the base end portions of the first panel and the second panel, the flexible portion defining a bag construction configured to contain a popcorn charge and to be expandable between a collapsed configuration and an expanded configuration when the popcorn charge is subjected to a popping operation. 23. The microwave popcorn package as recited in claim 22, wherein the flexible portion is formed of a polyester material. 24. The microwave popcorn package as recited in claim 23, wherein the polyester film material comprises biaxially-oriented polyethylene terephthalate (PET). 25. The microwave popcorn package as recited in claim 22, wherein flexible portion is at least partially transparent to visible light.
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이 특허에 인용된 특허 (234)
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