IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0006843
(2008-01-07)
|
등록번호 |
US-7573010
(2009-08-25)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Graphic Packaging International, Inc.
|
대리인 / 주소 |
Womble Carlyle Sandrisge & Rice, PLLC
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인용정보 |
피인용 횟수 :
1 인용 특허 :
89 |
초록
A package for heating a microwave food item is provided.
대표청구항
▼
What is claimed is: 1. A package comprising: a first sheet and a second sheet in an opposed, facing relationship, the first sheet and the second sheet each including a layer of microwave energy interactive material supported on a polymer film, wherein the first sheet and the second sheet each have
What is claimed is: 1. A package comprising: a first sheet and a second sheet in an opposed, facing relationship, the first sheet and the second sheet each including a layer of microwave energy interactive material supported on a polymer film, wherein the first sheet and the second sheet each have a pair of opposed edges extending in a first direction and a pair of opposed edges extending in a second direction substantially perpendicular to the first direction, and the first sheet and the second sheet are joined to one another along a bond line extending in the second direction substantially between the respective pairs of opposed edges extending in the first direction, the bond line being distal from the respective pairs of opposed edges extending in the second direction, the bond line defining a pair of adjacent package segments, wherein the bond line includes a line of disruption that allows the package segments to be separated from one another. 2. The package of claim 1, wherein the bond line extending in the second direction is a first bond line of a plurality of bond lines extending in the second direction. 3. The package of claim 2, wherein at least some bond lines of the plurality of bond lines extending in the second direction are substantially parallel to one another. 4. The package of claim 2, wherein at least two bond lines of the plurality of bond lines extending in the second direction are distal from the respective pairs of opposed edges extending in the second direction. 5. The package of claim 2, wherein the plurality of bond lines extending in the second direction include at least three bond lines extending in the second direction, and the plurality of bond lines extending in the second direction define a plurality of package segments including the pair of adjacent package segments. 6. The package of claim 5, wherein each package segment of the plurality of package segments is defined by an adjacent pair of bond lines of the plurality of bond lines extending in the second direction. 7. The package of claim 5, wherein each package segment of the plurality of package segments includes a cavity between the first sheet and the second sheet. 8. The package of claim 5, wherein each package segment of the plurality of package segments includes a flap extending from the first sheet between an adjacent pair of bond lines. 9. The package of claim 5, wherein each package segment of the plurality of package segments includes a line of disruption in the first sheet that defines a removable portion. 10. The package of claim 9, wherein the removable portion is adapted to be removed to form an opening in the respective package segment. 11. The package of claim 1, wherein the line of disruption comprises a line of perforation. 12. The package of claim 1, wherein the first sheet is further joined to the second sheet along a first edge of the pair of opposed edges extending in the first direction. 13. The package of claim 12, wherein the first sheet is further joined to the second sheet along a second edge of the pair of opposed edges extending in the first direction. 14. The package of claim 1, wherein the layer of microwave energy interactive material is joined to a dimensionally stable substrate in an opposed, facing relationship, such that the microwave energy interactive layer is between the polymer film and the dimensionally stable substrate. 15. The package of claim 1, wherein the layer of microwave energy interactive material is joined to a moisture-containing layer in an opposed, facing relationship, such that the microwave energy interactive layer is between the polymer film and the moisture-containing layer. 16. The package of claim 15, wherein the polymer film is a first polymer film, and a second polymer film is joined to the moisture-containing layer in a patterned configuration that defines a plurality of closed cells between the moisture-containing layer and the second polymer film. 17. The package of claim 16, wherein at least some closed cells of the plurality of closed cells inflate in response to sufficient exposure to microwave energy. 18. A package comprising: a first sheet and a second sheet in an opposed, facing relationship, the first sheet and the second sheet each including a layer of microwave energy interactive material supported on a first polymer film, a moisture-containing layer joined to the layer of microwave energy interactive material, and a second polymer film joined to the moisture-containing layer in a patterned configuration that defines a plurality of closed cells between the moisture-containing layer and the second polymer film, wherein the first sheet and the second sheet each have a pair of opposed edges extending in a first direction and a pair of opposed edges extending in a second direction substantially perpendicular to the first direction, and the first sheet and the second sheet are joined to one another by an end seal along a first edge of the pair of opposed edges extending in the first direction, and a plurality of dividing seals extending in the second direction substantially between the respective pairs of opposed edges extending in the first direction, the plurality of dividing seals defining a plurality of package segments. 19. A package comprising: a first sheet and a second sheet in a facing relationship, the first sheet and the second sheet each including a layer of microwave energy interactive material supported on a polymer film, wherein the first sheet and the second sheet each have a pair of opposed edges extending in a first direction and a pair of opposed edges extending in a second direction substantially perpendicular to the first direction, and the first sheet and the second sheet are joined to one another along a bond line extending in the second direction, the bond line extending substantially between the respective pairs of opposed edges extending in the first direction, and the bond line being distal from the respective pairs of opposed edges extending in the second direction, wherein the bond line defines a pair of adjacent package segments, each package segment including a line of disruption in the first sheet that defines an at least partially removable portion. 20. The package of claim 19, wherein each package segment includes a cavity for receiving a food item between the first sheet and the second sheet. 21. The package of claim 19, wherein the removable portion is adapted to be removed to form an opening in the respective package segment. 22. The package of claim 19, wherein the bond line includes a line of perforation that facilitates separation of the package segments from one another. 23. The package of claim 19, wherein the bond line is a first bond line of a plurality of bond lines extending in the second direction, and the plurality of bond lines define a plurality of package segments including the pair of adjacent package segments. 24. The package of claim 19, wherein the layer of microwave energy interactive material is joined to a moisture-containing layer in an opposed, facing relationship, such that the microwave energy interactive layer is between the polymer film and the moisture-containing layer. 25. The package of claim 24, wherein the polymer film is a first polymer film, and a second polymer film is joined to the moisture-containing layer in a patterned configuration that defines a plurality of closed cells between the moisture-containing layer and the second polymer film. 26. The package of claim 25, wherein at least some of the closed cells inflate in response to sufficient exposure to microwave energy. 27. A package comprising: a first sheet and a second sheet in an opposed, facing relationship, each sheet including a layer of microwave energy interactive material supported on a first polymer film, a moisture-containing layer joined to the layer of microwave energy interactive material, and a second polymer film is joined to the moisture-containing layer in a patterned configuration that defines a plurality of closed cells between the moisture-containing layer and the second polymer film, wherein the first sheet and the second sheet each have a pair of opposed edges extending in a first direction and a pair of opposed edges extending in a second direction substantially perpendicular to the first direction, and the first sheet and the second sheet are joined to one another along a bond line extending in the second direction, the bond line extending substantially between the respective pairs of opposed edges extending in the first direction, and the bond line being distal from the respective pairs of opposed edges extending in the second direction, wherein the bond line defines a pair of adjacent package segments. 28. The package of claim 27, wherein the bond line includes a line of perforation for separating the package segments. 29. A package comprising: a first sheet and a second sheet in an opposed, facing relationship, each sheet including a layer of microwave energy interactive material supported on a first polymer film, a moisture-containing layer joined to the layer of microwave enemy interactive material, and a second polymer film is joined to the moisture-containing layer in a patterned configuration that defines a plurality of closed cells between the moisture-containing laser and the second polymer film, wherein the first sheet and the second sheet each have a pair of opposed edges extending in a first direction and a pair of opposed edges extending in a second direction substantially perpendicular to the first direction, and the first sheet and the second sheet are joined to one another along a bond line extending in the second direction, the bond line extending substantially between the respective pairs of opposed edges extending in the first direction, and the bond line being distal from the respective pairs of opposed edges extending in the second direction, wherein the bond line is a first bond line of a plurality of bond lines extending in the second direction, and each pair of adjacent bond lines defines a package segment. 30. The package of claim 29, wherein each package segment includes a removable portion in at least one of the first sheet and the second sheet, and removing the removable portion defines an opening in the respective package segment. 31. The package of claim 30, wherein each package segment includes a cavity between the first sheet and the second sheet for receiving a food item, and the opening is in communication with the cavity. 32. The package of claim 29, wherein at least some closed cells of the plurality of closed cells inflate in response to sufficient exposure to microwave energy.
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